diff options
Diffstat (limited to 'test/junit/scala/tools/nsc/backend/jvm')
28 files changed, 1082 insertions, 937 deletions
diff --git a/test/junit/scala/tools/nsc/backend/jvm/BTypesTest.scala b/test/junit/scala/tools/nsc/backend/jvm/BTypesTest.scala index e7bbbb9a4f..0144fa7366 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/BTypesTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/BTypesTest.scala @@ -1,30 +1,29 @@ package scala.tools.nsc package backend.jvm +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes -import org.junit.Assert._ -import scala.tools.nsc.backend.jvm.CodeGenTools._ -import scala.tools.testing.ClearAfterClass +import scala.tools.asm.Opcodes +import scala.tools.testing.BytecodeTesting @RunWith(classOf[JUnit4]) -class BTypesTest extends ClearAfterClass { - val compiler = cached("compiler", () => { - val comp = newCompiler(extraArgs = "-Yopt:l:none") - new comp.Run() // initializes some of the compiler - comp.exitingDelambdafy(comp.scalaPrimitives.init()) // needed: it's only done when running the backend, and we don't actually run the compiler - comp.exitingDelambdafy(comp.genBCode.bTypes.initializeCoreBTypes()) - comp - }) - import compiler.genBCode.bTypes._ +class BTypesTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + import compiler.global + locally { + new global.Run() // initializes some of the compiler + global.exitingDelambdafy(global.scalaPrimitives.init()) // needed: it's only done when running the backend, and we don't actually run the compiler + global.exitingDelambdafy(global.genBCode.bTypes.initializeCoreBTypes()) + } + import global.genBCode.bTypes._ - def classBTFS(sym: compiler.Symbol) = compiler.exitingDelambdafy(classBTypeFromSymbol(sym)) + def classBTFS(sym: global.Symbol) = global.exitingDelambdafy(classBTypeFromSymbol(sym)) - def jlo = compiler.definitions.ObjectClass - def jls = compiler.definitions.StringClass + def jlo = global.definitions.ObjectClass + def jls = global.definitions.StringClass def o = classBTFS(jlo) def s = classBTFS(jls) def oArr = ArrayBType(o) diff --git a/test/junit/scala/tools/nsc/backend/jvm/BytecodeTest.scala b/test/junit/scala/tools/nsc/backend/jvm/BytecodeTest.scala new file mode 100644 index 0000000000..7954fe2360 --- /dev/null +++ b/test/junit/scala/tools/nsc/backend/jvm/BytecodeTest.scala @@ -0,0 +1,140 @@ +package scala.tools.nsc.backend.jvm + +import org.junit.Test +import org.junit.runner.RunWith +import org.junit.runners.JUnit4 + +import scala.tools.asm.Opcodes._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ + +@RunWith(classOf[JUnit4]) +class BytecodeTest extends BytecodeTesting { + import compiler._ + + @Test + def t6288bJumpPosition(): Unit = { + val code = + """object Case3 { // 01 + | def unapply(z: Any): Option[Int] = Some(-1) // 02 + | def main(args: Array[String]) { // 03 + | ("": Any) match { // 04 + | case x : String => // 05 + | println("case 0") // 06 println and jump at 6 + | case _ => // 07 + | println("default") // 08 println and jump at 8 + | } // 09 + | println("done") // 10 + | } + |} + """.stripMargin + val List(mirror, module) = compileClasses(code) + + val unapplyLineNumbers = getInstructions(module, "unapply").filter(_.isInstanceOf[LineNumber]) + assert(unapplyLineNumbers == List(LineNumber(2, Label(0))), unapplyLineNumbers) + + val expected = List( + LineNumber(4, Label(0)), + LineNumber(5, Label(5)), + Jump(IFEQ, Label(20)), + + LineNumber(6, Label(11)), + Invoke(INVOKEVIRTUAL, "scala/Predef$", "println", "(Ljava/lang/Object;)V", false), + Jump(GOTO, Label(33)), + + LineNumber(5, Label(20)), + Jump(GOTO, Label(24)), + + LineNumber(8, Label(24)), + Invoke(INVOKEVIRTUAL, "scala/Predef$", "println", "(Ljava/lang/Object;)V", false), + Jump(GOTO, Label(33)), + + LineNumber(10, Label(33)), + Invoke(INVOKEVIRTUAL, "scala/Predef$", "println", "(Ljava/lang/Object;)V", false) + ) + + val mainIns = getInstructions(module, "main") filter { + case _: LineNumber | _: Invoke | _: Jump => true + case _ => false + } + assertSameCode(mainIns, expected) + } + + @Test + def bytecodeForBranches(): Unit = { + val code = + """class C { + | def t1(b: Boolean) = if (b) 1 else 2 + | def t2(x: Int) = if (x == 393) 1 else 2 + | def t3(a: Array[String], b: AnyRef) = a != b && b == a + | def t4(a: AnyRef) = a == null || null != a + | def t5(a: AnyRef) = (a eq null) || (null ne a) + | def t6(a: Int, b: Boolean) = if ((a == 10) && b || a != 1) 1 else 2 + | def t7(a: AnyRef, b: AnyRef) = a == b + | def t8(a: AnyRef) = Nil == a || "" != a + |} + """.stripMargin + + val c = compileClass(code) + + // t1: no unnecessary GOTOs + assertSameCode(getMethod(c, "t1"), List( + VarOp(ILOAD, 1), Jump(IFEQ, Label(6)), + Op(ICONST_1), Jump(GOTO, Label(9)), + Label(6), Op(ICONST_2), + Label(9), Op(IRETURN))) + + // t2: no unnecessary GOTOs + assertSameCode(getMethod(c, "t2"), List( + VarOp(ILOAD, 1), IntOp(SIPUSH, 393), Jump(IF_ICMPNE, Label(7)), + Op(ICONST_1), Jump(GOTO, Label(10)), + Label(7), Op(ICONST_2), + Label(10), Op(IRETURN))) + + // t3: Array == is translated to reference equality, AnyRef == to null checks and equals + assertSameCode(getMethod(c, "t3"), List( + // Array == + VarOp(ALOAD, 1), VarOp(ALOAD, 2), Jump(IF_ACMPEQ, Label(23)), + // AnyRef == + VarOp(ALOAD, 2), VarOp(ALOAD, 1), VarOp(ASTORE, 3), Op(DUP), Jump(IFNONNULL, Label(14)), + Op(POP), VarOp(ALOAD, 3), Jump(IFNULL, Label(19)), Jump(GOTO, Label(23)), + Label(14), VarOp(ALOAD, 3), Invoke(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false), Jump(IFEQ, Label(23)), + Label(19), Op(ICONST_1), Jump(GOTO, Label(26)), + Label(23), Op(ICONST_0), + Label(26), Op(IRETURN))) + + val t4t5 = List( + VarOp(ALOAD, 1), Jump(IFNULL, Label(6)), + VarOp(ALOAD, 1), Jump(IFNULL, Label(10)), + Label(6), Op(ICONST_1), Jump(GOTO, Label(13)), + Label(10), Op(ICONST_0), + Label(13), Op(IRETURN)) + + // t4: one side is known null, so just a null check on the other + assertSameCode(getMethod(c, "t4"), t4t5) + + // t5: one side known null, so just a null check on the other + assertSameCode(getMethod(c, "t5"), t4t5) + + // t6: no unnecessary GOTOs + assertSameCode(getMethod(c, "t6"), List( + VarOp(ILOAD, 1), IntOp(BIPUSH, 10), Jump(IF_ICMPNE, Label(7)), + VarOp(ILOAD, 2), Jump(IFNE, Label(12)), + Label(7), VarOp(ILOAD, 1), Op(ICONST_1), Jump(IF_ICMPEQ, Label(16)), + Label(12), Op(ICONST_1), Jump(GOTO, Label(19)), + Label(16), Op(ICONST_2), + Label(19), Op(IRETURN))) + + // t7: universal equality + assertInvoke(getMethod(c, "t7"), "scala/runtime/BoxesRunTime", "equals") + + // t8: no null checks invoking equals on modules and constants + assertSameCode(getMethod(c, "t8"), List( + Field(GETSTATIC, "scala/collection/immutable/Nil$", "MODULE$", "Lscala/collection/immutable/Nil$;"), VarOp(ALOAD, 1), Invoke(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false), Jump(IFNE, Label(10)), + Ldc(LDC, ""), VarOp(ALOAD, 1), Invoke(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false), Jump(IFNE, Label(14)), + Label(10), Op(ICONST_1), Jump(GOTO, Label(17)), + Label(14), Op(ICONST_0), + Label(17), Op(IRETURN))) + } +} diff --git a/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala b/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala deleted file mode 100644 index 389e5b2ead..0000000000 --- a/test/junit/scala/tools/nsc/backend/jvm/CodeGenTools.scala +++ /dev/null @@ -1,248 +0,0 @@ -package scala.tools.nsc.backend.jvm - -import org.junit.Assert._ - -import scala.collection.mutable.ListBuffer -import scala.reflect.internal.util.BatchSourceFile -import scala.reflect.io.VirtualDirectory -import scala.tools.asm.Opcodes -import scala.tools.asm.tree.{AbstractInsnNode, ClassNode, MethodNode} -import scala.tools.cmd.CommandLineParser -import scala.tools.nsc.io.AbstractFile -import scala.tools.nsc.reporters.StoreReporter -import scala.tools.nsc.settings.MutableSettings -import scala.tools.nsc.{Settings, Global} -import scala.tools.partest.ASMConverters -import scala.collection.JavaConverters._ -import scala.tools.testing.TempDir -import AsmUtils._ - -object CodeGenTools { - import ASMConverters._ - - def genMethod( flags: Int = Opcodes.ACC_PUBLIC, - name: String = "m", - descriptor: String = "()V", - genericSignature: String = null, - throwsExceptions: Array[String] = null, - handlers: List[ExceptionHandler] = Nil, - localVars: List[LocalVariable] = Nil)(body: Instruction*): MethodNode = { - val node = new MethodNode(flags, name, descriptor, genericSignature, throwsExceptions) - applyToMethod(node, Method(body.toList, handlers, localVars)) - node - } - - def wrapInClass(method: MethodNode): ClassNode = { - val cls = new ClassNode() - cls.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, "C", null, "java/lang/Object", null) - cls.methods.add(method) - cls - } - - private def resetOutput(compiler: Global): Unit = { - compiler.settings.outputDirs.setSingleOutput(new VirtualDirectory("(memory)", None)) - } - - def newCompiler(defaultArgs: String = "-usejavacp", extraArgs: String = ""): Global = { - val compiler = newCompilerWithoutVirtualOutdir(defaultArgs, extraArgs) - resetOutput(compiler) - compiler - } - - def newCompilerWithoutVirtualOutdir(defaultArgs: String = "-usejavacp", extraArgs: String = ""): Global = { - def showError(s: String) = throw new Exception(s) - val settings = new Settings(showError) - val args = (CommandLineParser tokenize defaultArgs) ++ (CommandLineParser tokenize extraArgs) - val (_, nonSettingsArgs) = settings.processArguments(args, processAll = true) - if (nonSettingsArgs.nonEmpty) showError("invalid compiler flags: " + nonSettingsArgs.mkString(" ")) - new Global(settings, new StoreReporter) - } - - def newRun(compiler: Global): compiler.Run = { - compiler.reporter.reset() - resetOutput(compiler) - new compiler.Run() - } - - def reporter(compiler: Global) = compiler.reporter.asInstanceOf[StoreReporter] - - def makeSourceFile(code: String, filename: String): BatchSourceFile = new BatchSourceFile(filename, code) - - def getGeneratedClassfiles(outDir: AbstractFile): List[(String, Array[Byte])] = { - def files(dir: AbstractFile): List[(String, Array[Byte])] = { - val res = ListBuffer.empty[(String, Array[Byte])] - for (f <- dir.iterator) { - if (!f.isDirectory) res += ((f.name, f.toByteArray)) - else if (f.name != "." && f.name != "..") res ++= files(f) - } - res.toList - } - files(outDir) - } - - def checkReport(compiler: Global, allowMessage: StoreReporter#Info => Boolean = _ => false): Unit = { - val disallowed = reporter(compiler).infos.toList.filter(!allowMessage(_)) // toList prevents an infer-non-wildcard-existential warning. - if (disallowed.nonEmpty) { - val msg = disallowed.mkString("\n") - assert(false, "The compiler issued non-allowed warnings or errors:\n" + msg) - } - } - - def compile(compiler: Global)(scalaCode: String, javaCode: List[(String, String)] = Nil, allowMessage: StoreReporter#Info => Boolean = _ => false): List[(String, Array[Byte])] = { - val run = newRun(compiler) - run.compileSources(makeSourceFile(scalaCode, "unitTestSource.scala") :: javaCode.map(p => makeSourceFile(p._1, p._2))) - checkReport(compiler, allowMessage) - getGeneratedClassfiles(compiler.settings.outputDirs.getSingleOutput.get) - } - - def compileTransformed(compiler: Global)(scalaCode: String, javaCode: List[(String, String)] = Nil, beforeBackend: compiler.Tree => compiler.Tree): List[(String, Array[Byte])] = { - compiler.settings.stopBefore.value = "jvm" :: Nil - val run = newRun(compiler) - import compiler._ - val scalaUnit = newCompilationUnit(scalaCode, "unitTestSource.scala") - val javaUnits = javaCode.map(p => newCompilationUnit(p._1, p._2)) - val units = scalaUnit :: javaUnits - run.compileUnits(units, run.parserPhase) - compiler.settings.stopBefore.value = Nil - scalaUnit.body = beforeBackend(scalaUnit.body) - checkReport(compiler, _ => false) - val run1 = newRun(compiler) - run1.compileUnits(units, run1.phaseNamed("jvm")) - checkReport(compiler, _ => false) - getGeneratedClassfiles(compiler.settings.outputDirs.getSingleOutput.get) - } - - /** - * Compile multiple Scala files separately into a single output directory. - * - * Note that a new compiler instance is created for compiling each file because symbols survive - * across runs. This makes separate compilation slower. - * - * The output directory is a physical directory, I have not figured out if / how it's possible to - * add a VirtualDirectory to the classpath of a compiler. - */ - def compileSeparately(codes: List[String], extraArgs: String = "", allowMessage: StoreReporter#Info => Boolean = _ => false, afterEach: AbstractFile => Unit = _ => ()): List[(String, Array[Byte])] = { - val outDir = AbstractFile.getDirectory(TempDir.createTempDir()) - val outDirPath = outDir.canonicalPath - val argsWithOutDir = extraArgs + s" -d $outDirPath -cp $outDirPath" - - for (code <- codes) { - val compiler = newCompilerWithoutVirtualOutdir(extraArgs = argsWithOutDir) - new compiler.Run().compileSources(List(makeSourceFile(code, "unitTestSource.scala"))) - checkReport(compiler, allowMessage) - afterEach(outDir) - } - - val classfiles = getGeneratedClassfiles(outDir) - outDir.delete() - classfiles - } - - def compileClassesSeparately(codes: List[String], extraArgs: String = "", allowMessage: StoreReporter#Info => Boolean = _ => false, afterEach: AbstractFile => Unit = _ => ()) = { - readAsmClasses(compileSeparately(codes, extraArgs, allowMessage, afterEach)) - } - - def readAsmClasses(classfiles: List[(String, Array[Byte])]) = { - classfiles.map(p => AsmUtils.readClass(p._2)).sortBy(_.name) - } - - def compileClasses(compiler: Global)(code: String, javaCode: List[(String, String)] = Nil, allowMessage: StoreReporter#Info => Boolean = _ => false): List[ClassNode] = { - readAsmClasses(compile(compiler)(code, javaCode, allowMessage)) - } - - def compileMethods(compiler: Global)(code: String, allowMessage: StoreReporter#Info => Boolean = _ => false): List[MethodNode] = { - compileClasses(compiler)(s"class C { $code }", allowMessage = allowMessage).head.methods.asScala.toList.filterNot(_.name == "<init>") - } - - def singleMethodInstructions(compiler: Global)(code: String, allowMessage: StoreReporter#Info => Boolean = _ => false): List[Instruction] = { - val List(m) = compileMethods(compiler)(code, allowMessage = allowMessage) - instructionsFromMethod(m) - } - - def singleMethod(compiler: Global)(code: String, allowMessage: StoreReporter#Info => Boolean = _ => false): Method = { - val List(m) = compileMethods(compiler)(code, allowMessage = allowMessage) - convertMethod(m) - } - - def assertSameCode(method: Method, expected: List[Instruction]): Unit = assertSameCode(method.instructions.dropNonOp, expected) - def assertSameCode(actual: List[Instruction], expected: List[Instruction]): Unit = { - assert(actual === expected, s"\nExpected: $expected\nActual : $actual") - } - - def assertSameSummary(method: Method, expected: List[Any]): Unit = assertSameSummary(method.instructions, expected) - def assertSameSummary(actual: List[Instruction], expected: List[Any]): Unit = { - def expectedString = expected.map({ - case s: String => s""""$s"""" - case i: Int => opcodeToString(i, i) - }).mkString("List(", ", ", ")") - assert(actual.summary == expected, s"\nFound : ${actual.summaryText}\nExpected: $expectedString") - } - - def assertNoInvoke(m: Method): Unit = assertNoInvoke(m.instructions) - def assertNoInvoke(ins: List[Instruction]): Unit = { - assert(!ins.exists(_.isInstanceOf[Invoke]), ins.stringLines) - } - - def assertInvoke(m: Method, receiver: String, method: String): Unit = assertInvoke(m.instructions, receiver, method) - def assertInvoke(l: List[Instruction], receiver: String, method: String): Unit = { - assert(l.exists { - case Invoke(_, `receiver`, `method`, _, _) => true - case _ => false - }, l.stringLines) - } - - def assertDoesNotInvoke(m: Method, method: String): Unit = assertDoesNotInvoke(m.instructions, method) - def assertDoesNotInvoke(l: List[Instruction], method: String): Unit = { - assert(!l.exists { - case i: Invoke => i.name == method - case _ => false - }, l.stringLines) - } - - def assertInvokedMethods(m: Method, expected: List[String]): Unit = assertInvokedMethods(m.instructions, expected) - def assertInvokedMethods(l: List[Instruction], expected: List[String]): Unit = { - def quote(l: List[String]) = l.map(s => s""""$s"""").mkString("List(", ", ", ")") - val actual = l collect { case i: Invoke => i.owner + "." + i.name } - assert(actual == expected, s"\nFound : ${quote(actual)}\nExpected: ${quote(expected)}") - } - - def assertNoIndy(m: Method): Unit = assertNoIndy(m.instructions) - def assertNoIndy(l: List[Instruction]) = { - val indy = l collect { case i: InvokeDynamic => i } - assert(indy.isEmpty, indy) - } - - def getSingleMethod(classNode: ClassNode, name: String): Method = - convertMethod(classNode.methods.asScala.toList.find(_.name == name).get) - - def findAsmMethods(c: ClassNode, p: String => Boolean) = c.methods.iterator.asScala.filter(m => p(m.name)).toList.sortBy(_.name) - def findAsmMethod(c: ClassNode, name: String) = findAsmMethods(c, _ == name).head - - /** - * Instructions that match `query` when textified. - * If `query` starts with a `+`, the next instruction is returned. - */ - def findInstr(method: MethodNode, query: String): List[AbstractInsnNode] = { - val useNext = query(0) == '+' - val instrPart = if (useNext) query.drop(1) else query - val insns = method.instructions.iterator.asScala.filter(i => textify(i) contains instrPart).toList - if (useNext) insns.map(_.getNext) else insns - } - - def assertHandlerLabelPostions(h: ExceptionHandler, instructions: List[Instruction], startIndex: Int, endIndex: Int, handlerIndex: Int): Unit = { - val insVec = instructions.toVector - assertTrue(h.start == insVec(startIndex) && h.end == insVec(endIndex) && h.handler == insVec(handlerIndex)) - } - - import scala.language.implicitConversions - - implicit def aliveInstruction(ins: Instruction): (Instruction, Boolean) = (ins, true) - - implicit class MortalInstruction(val ins: Instruction) extends AnyVal { - def dead: (Instruction, Boolean) = (ins, false) - } - - implicit class listStringLines[T](val l: List[T]) extends AnyVal { - def stringLines = l.mkString("\n") - } -} diff --git a/test/junit/scala/tools/nsc/backend/jvm/DefaultMethodTest.scala b/test/junit/scala/tools/nsc/backend/jvm/DefaultMethodTest.scala index 7d4ae866fc..c9a958ee4f 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/DefaultMethodTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/DefaultMethodTest.scala @@ -4,30 +4,29 @@ import org.junit.Assert._ import org.junit.Test import scala.collection.JavaConverters +import scala.collection.JavaConverters._ import scala.tools.asm.Opcodes import scala.tools.asm.tree.ClassNode -import scala.tools.nsc.backend.jvm.CodeGenTools._ -import JavaConverters._ -import scala.tools.testing.ClearAfterClass - -class DefaultMethodTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler()) +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ +class DefaultMethodTest extends BytecodeTesting { + import compiler._ @Test def defaultMethodsViaGenBCode(): Unit = { - import compiler._ + import global._ val code = "package pack { trait T { def foo: Int }}" object makeFooDefaultMethod extends Transformer { val Foo = TermName("foo") /** Transforms a single tree. */ - override def transform(tree: compiler.Tree): compiler.Tree = tree match { + override def transform(tree: global.Tree): global.Tree = tree match { case dd @ DefDef(_, Foo, _, _, _, _) => dd.symbol.setFlag(reflect.internal.Flags.JAVA_DEFAULTMETHOD) copyDefDef(dd)(rhs = Literal(Constant(1)).setType(definitions.IntTpe)) case _ => super.transform(tree) } } - val asmClasses: List[ClassNode] = readAsmClasses(compileTransformed(compiler)(code, Nil, makeFooDefaultMethod.transform(_))) + val asmClasses: List[ClassNode] = compiler.compileClassesTransformed(code, Nil, makeFooDefaultMethod.transform(_)) val foo = asmClasses.head.methods.iterator.asScala.toList.last assertTrue("default method should not be abstract", (foo.access & Opcodes.ACC_ABSTRACT) == 0) assertTrue("default method body emitted", foo.instructions.size() > 0) diff --git a/test/junit/scala/tools/nsc/backend/jvm/DirectCompileTest.scala b/test/junit/scala/tools/nsc/backend/jvm/DirectCompileTest.scala index e984b75518..7fdfb31577 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/DirectCompileTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/DirectCompileTest.scala @@ -1,21 +1,23 @@ package scala.tools.nsc.backend.jvm +import org.junit.Assert._ import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Assert._ -import CodeGenTools._ + import scala.tools.asm.Opcodes._ import scala.tools.partest.ASMConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class DirectCompileTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:method")) +class DirectCompileTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:method" + import compiler._ @Test def testCompile(): Unit = { - val List(("C.class", bytes)) = compile(compiler)( + val List(("C.class", bytes)) = compileToBytes( """class C { | def f = 1 |} @@ -26,12 +28,12 @@ class DirectCompileTest extends ClearAfterClass { @Test def testCompileClasses(): Unit = { - val List(cClass, cModuleClass) = compileClasses(compiler)("class C; object C") + val List(cClass, cModuleClass) = compileClasses("class C; object C") assertTrue(cClass.name == "C") assertTrue(cModuleClass.name == "C$") - val List(dMirror, dModuleClass) = compileClasses(compiler)("object D") + val List(dMirror, dModuleClass) = compileClasses("object D") assertTrue(dMirror.name == "D") assertTrue(dModuleClass.name == "D$") @@ -39,25 +41,23 @@ class DirectCompileTest extends ClearAfterClass { @Test def testCompileMethods(): Unit = { - val List(f, g) = compileMethods(compiler)( + val List(f, g) = compileMethods( """def f = 10 |def g = f """.stripMargin) - assertTrue(f.name == "f") - assertTrue(g.name == "g") - assertSameCode(instructionsFromMethod(f).dropNonOp, + assertSameCode(f.instructions.dropNonOp, List(IntOp(BIPUSH, 10), Op(IRETURN))) - assertSameCode(instructionsFromMethod(g).dropNonOp, + assertSameCode(g.instructions.dropNonOp, List(VarOp(ALOAD, 0), Invoke(INVOKEVIRTUAL, "C", "f", "()I", itf = false), Op(IRETURN))) } @Test def testDropNonOpAliveLabels(): Unit = { // makes sure that dropNoOp doesn't drop labels that are being used - val List(f) = compileMethods(compiler)("""def f(x: Int) = if (x == 0) "a" else "b"""") - assertSameCode(instructionsFromMethod(f).dropLinesFrames, List( + val is = compileInstructions("""def f(x: Int) = if (x == 0) "a" else "b"""") + assertSameCode(is.dropLinesFrames, List( Label(0), VarOp(ILOAD, 1), Op(ICONST_0), @@ -77,7 +77,7 @@ class DirectCompileTest extends ClearAfterClass { val codeA = "class A { def f = 1 }" val codeB = "class B extends A { def g = f }" val List(a, b) = compileClassesSeparately(List(codeA, codeB)) - val ins = getSingleMethod(b, "g").instructions + val ins = getInstructions(b, "g") assert(ins exists { case Invoke(_, "B", "f", _, _) => true case _ => false @@ -86,6 +86,6 @@ class DirectCompileTest extends ClearAfterClass { @Test def compileErroneous(): Unit = { - compileClasses(compiler)("class C { def f: String = 1 }", allowMessage = _.msg contains "type mismatch") + compileToBytes("class C { def f: String = 1 }", allowMessage = _.msg contains "type mismatch") } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/IndyLambdaTest.scala b/test/junit/scala/tools/nsc/backend/jvm/IndyLambdaTest.scala index b906942ffa..ac2aab01dc 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/IndyLambdaTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/IndyLambdaTest.scala @@ -1,21 +1,19 @@ package scala.tools.nsc.backend.jvm import org.junit.Assert._ -import org.junit.{Assert, Test} +import org.junit.Test -import scala.tools.asm.{Handle, Opcodes} -import scala.tools.asm.tree.InvokeDynamicInsnNode -import scala.tools.nsc.backend.jvm.AsmUtils._ -import scala.tools.nsc.backend.jvm.CodeGenTools._ -import scala.tools.testing.ClearAfterClass import scala.collection.JavaConverters._ +import scala.tools.asm.Handle +import scala.tools.asm.tree.InvokeDynamicInsnNode +import scala.tools.testing.BytecodeTesting -class IndyLambdaTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler()) +class IndyLambdaTest extends BytecodeTesting { + import compiler._ @Test def boxingBridgeMethodUsedSelectively(): Unit = { def implMethodDescriptorFor(code: String): String = { - val method = compileMethods(compiler)(s"""def f = $code """).find(_.name == "f").get + val method = compileAsmMethods(s"""def f = $code """).find(_.name == "f").get val x = method.instructions.iterator.asScala.toList x.flatMap { case insn : InvokeDynamicInsnNode => insn.bsmArgs.collect { case h : Handle => h.getDesc } @@ -48,17 +46,17 @@ class IndyLambdaTest extends ClearAfterClass { assertEquals("(I)I", implMethodDescriptorFor("(x: Int) => x")) // non-builtin sams are like specialized functions - compileClasses(compiler)("class VC(private val i: Int) extends AnyVal; trait FunVC { def apply(a: VC): VC }") + compileToBytes("class VC(private val i: Int) extends AnyVal; trait FunVC { def apply(a: VC): VC }") assertEquals("(I)I", implMethodDescriptorFor("((x: VC) => x): FunVC")) - compileClasses(compiler)("trait Fun1[T, U] { def apply(a: T): U }") + compileToBytes("trait Fun1[T, U] { def apply(a: T): U }") assertEquals(s"($obj)$str", implMethodDescriptorFor("(x => x.toString): Fun1[Int, String]")) assertEquals(s"($obj)$obj", implMethodDescriptorFor("(x => println(x)): Fun1[Int, Unit]")) assertEquals(s"($obj)$str", implMethodDescriptorFor("((x: VC) => \"\") : Fun1[VC, String]")) assertEquals(s"($str)$obj", implMethodDescriptorFor("((x: String) => new VC(0)) : Fun1[String, VC]")) - compileClasses(compiler)("trait Coll[A, Repr] extends Any") - compileClasses(compiler)("final class ofInt(val repr: Array[Int]) extends AnyVal with Coll[Int, Array[Int]]") + compileToBytes("trait Coll[A, Repr] extends Any") + compileToBytes("final class ofInt(val repr: Array[Int]) extends AnyVal with Coll[Int, Array[Int]]") assertEquals(s"([I)$obj", implMethodDescriptorFor("((xs: Array[Int]) => new ofInt(xs)): Array[Int] => Coll[Int, Array[Int]]")) } diff --git a/test/junit/scala/tools/nsc/backend/jvm/IndySammyTest.scala b/test/junit/scala/tools/nsc/backend/jvm/IndySammyTest.scala index 5c2ab6a2c7..2bcbcc870c 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/IndySammyTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/IndySammyTest.scala @@ -2,26 +2,20 @@ package scala.tools.nsc package backend.jvm import org.junit.Assert.assertEquals +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test import scala.tools.asm.Opcodes._ -import scala.tools.asm.tree._ import scala.tools.nsc.reporters.StoreReporter -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ - -import scala.tools.testing.ClearAfterClass +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class IndySammyTest extends ClearAfterClass { - - val compiler = cached("compiler", () => newCompiler()) - def compile(scalaCode: String, javaCode: List[(String, String)] = Nil, allowMessage: StoreReporter#Info => Boolean = _ => false): List[ClassNode] = - compileClasses(compiler)(scalaCode, javaCode, allowMessage) +class IndySammyTest extends BytecodeTesting { + import compiler._ def funClassName(from: String, to: String) = s"Fun$from$to" def classPrologue(from: String, to: String) = @@ -45,13 +39,13 @@ class IndySammyTest extends ClearAfterClass { def test(from: String, to: String, arg: String, body: String => String = x => x) (expectedSig: String, lamBody: List[Instruction], appArgs: List[Instruction], ret: Instruction) (allowMessage: StoreReporter#Info => Boolean = _ => false) = { - val cls = compile(s"${classPrologue(from, to)}") - val methodNodes = compileMethods(compiler)(lamDef(from, to, body) +";"+ appDef(arg), allowMessage) + val List(funClass, vcClass, vcCompanion) = compileClasses(s"${classPrologue(from, to)}") + val c = compileClass(s"class C { ${lamDef(from, to, body)}; ${appDef(arg)} }", allowMessage = allowMessage) - val applySig = cls.head.methods.get(0).desc - val anonfun = methodNodes.find(_.name contains "$anonfun$").map(convertMethod).get - val lamInsn = methodNodes.find(_.name == "lam").map(instructionsFromMethod).get.dropNonOp - val applyInvoke = methodNodes.find(_.name == "app").map(convertMethod).get + val applySig = getAsmMethod(funClass, "apply").desc + val anonfun = getMethod(c, "C$$$anonfun$1") + val lamInsn = getInstructions(c, "lam").dropNonOp + val applyInvoke = getMethod(c, "app") assertEquals(expectedSig, applySig) assert(lamInsn.length == 2 && lamInsn.head.isInstanceOf[InvokeDynamic], lamInsn) @@ -64,7 +58,7 @@ class IndySammyTest extends ClearAfterClass { } // def testSpecial(lam: String, lamTp: String, arg: String)(allowMessage: StoreReporter#Info => Boolean = _ => false) = { -// val cls = compile("trait Special[@specialized A] { def apply(a: A): A}" ) +// val cls = compileClasses("trait Special[@specialized A] { def apply(a: A): A}" ) // val methodNodes = compileMethods(compiler)(s"def lam : $lamTp = $lam" +";"+ appDef(arg), allowMessage) // // val anonfun = methodNodes.filter(_.name contains "$anonfun$").map(convertMethod) @@ -146,7 +140,7 @@ class IndySammyTest extends ClearAfterClass { // Tests ThisReferringMethodsTraverser @Test def testStaticIfNoThisReference: Unit = { - val methodNodes = compileMethods(compiler)("def foo = () => () => () => 42") + val methodNodes = compileAsmMethods("def foo = () => () => () => 42") methodNodes.forall(m => !m.name.contains("anonfun") || (m.access & ACC_STATIC) == ACC_STATIC) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/OptimizedBytecodeTest.scala b/test/junit/scala/tools/nsc/backend/jvm/OptimizedBytecodeTest.scala new file mode 100644 index 0000000000..003162c1ad --- /dev/null +++ b/test/junit/scala/tools/nsc/backend/jvm/OptimizedBytecodeTest.scala @@ -0,0 +1,362 @@ +package scala.tools.nsc.backend.jvm + +import org.junit.Test +import org.junit.runner.RunWith +import org.junit.runners.JUnit4 + +import scala.tools.asm.Opcodes._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ + +@RunWith(classOf[JUnit4]) +class OptimizedBytecodeTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:classpath -Yopt-warnings" + import compiler._ + + @Test + def t2171(): Unit = { + val code = + """class C { + | final def m(msg: => String) = try 0 catch { case ex: Throwable => println(msg) } + | def t(): Unit = while (true) m("...") + |} + """.stripMargin + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List(Label(0), Jump(GOTO, Label(0)))) + } + + @Test + def t3430(): Unit = { + val code = + """class C { + | final def m(f: String => Boolean) = f("a") + | def t(): Boolean = + | m { s1 => + | m { s2 => + | while (true) { } + | true + | } + | } + |} + """.stripMargin + val c = compileClass(code) + + assertSameSummary(getMethod(c, "t"), List( + LDC, ASTORE, ALOAD /*0*/, ALOAD /*1*/, "C$$$anonfun$1", IRETURN)) + assertSameSummary(getMethod(c, "C$$$anonfun$1"), List(LDC, "C$$$anonfun$2", IRETURN)) + assertSameSummary(getMethod(c, "C$$$anonfun$2"), List(-1 /*A*/, GOTO /*A*/)) + } + + @Test + def t3252(): Unit = { + val code = + """class C { + | def t(x: Boolean): Thread = { + | g { + | x match { + | case false => Tat.h { } + | } + | } + | } + | + | private def g[T](block: => T) = ??? + |} + |object Tat { + | def h(block: => Unit): Nothing = ??? + |} + """.stripMargin + val List(c, t, tMod) = compileClasses(code, allowMessage = _.msg.contains("not be exhaustive")) + assertSameSummary(getMethod(c, "t"), List(GETSTATIC, "$qmark$qmark$qmark", ATHROW)) + } + + @Test + def t6157(): Unit = { + val code = + """class C { + | def t = println(ErrorHandler.defaultIfIOException("String")("String")) + |} + |object ErrorHandler { + | import java.io.IOException + | @inline + | def defaultIfIOException[T](default: => T)(closure: => T): T = try closure catch { + | case e: IOException => default + | } + |} + """.stripMargin + + val msg = + """ErrorHandler$::defaultIfIOException(Lscala/Function0;Lscala/Function0;)Ljava/lang/Object; is annotated @inline but could not be inlined: + |The operand stack at the callsite in C::t()V contains more values than the + |arguments expected by the callee ErrorHandler$::defaultIfIOException(Lscala/Function0;Lscala/Function0;)Ljava/lang/Object;. These values would be discarded + |when entering an exception handler declared in the inlined method.""".stripMargin + + compileClasses(code, allowMessage = _.msg == msg) + } + + @Test + def t6547(): Unit = { // "pos" test -- check that it compiles + val code = + """trait ConfigurableDefault[@specialized V] { + | def fillArray(arr: Array[V], v: V) = (arr: Any) match { + | case x: Array[Int] => null + | case x: Array[Long] => v.asInstanceOf[Long] + | } + |} + """.stripMargin + compileToBytes(code) + } + + @Test + def t8062(): Unit = { + val c1 = + """package warmup + |object Warmup { def filter[A](p: Any => Boolean): Any = filter[Any](p) } + """.stripMargin + val c2 = "class C { def t = warmup.Warmup.filter[Any](x => false) }" + val List(c, _, _) = compileClassesSeparately(List(c1, c2), extraArgs = compilerArgs) + assertInvoke(getMethod(c, "t"), "warmup/Warmup$", "filter") + } + + @Test + def t8306(): Unit = { // "pos" test + val code = + """class C { + | def foo: Int = 123 + | lazy val extension: Int = foo match { + | case idx if idx != -1 => 15 + | case _ => 17 + | } + |} + """.stripMargin + compileToBytes(code) + } + + @Test + def t8359(): Unit = { // "pos" test + // This is a minimization of code that crashed the compiler during bootstrapping + // in the first iteration of https://github.com/scala/scala/pull/4373, the PR + // that adjusted the order of free and declared params in LambdaLift. + + // Was: + // java.lang.AssertionError: assertion failed: + // Record Record(<$anon: Function1>,Map(value a$1 -> Deref(LocalVar(value b)))) does not contain a field value b$1 + // at scala.tools.nsc.Global.assert(Global.scala:262) + // at scala.tools.nsc.backend.icode.analysis.CopyPropagation$copyLattice$State.getFieldNonRecordValue(CopyPropagation.scala:113) + // at scala.tools.nsc.backend.icode.analysis.CopyPropagation$copyLattice$State.getFieldNonRecordValue(CopyPropagation.scala:122) + // at scala.tools.nsc.backend.opt.ClosureElimination$ClosureElim$$anonfun$analyzeMethod$1$$anonfun$apply$2.replaceFieldAccess$1(ClosureElimination.scala:124) + val code = + """package test + |class Typer { + | def bar(a: Boolean, b: Boolean): Unit = { + | @inline + | def baz(): Unit = { + | ((_: Any) => (Typer.this, a, b)).apply("") + | } + | ((_: Any) => baz()).apply("") + | } + |} + """.stripMargin + compileToBytes(code) + } + + @Test + def t9123(): Unit = { // "pos" test + val code = + """trait Setting { + | type T + | def value: T + |} + |object Test { + | def test(x: Some[Setting]) = x match { + | case Some(dep) => Some(dep.value) map (_ => true) + | } + |} + """.stripMargin + compileToBytes(code) + } + + @Test + def traitForceInfo(): Unit = { + // This did NOT crash unless it's in the interactive package. + // error: java.lang.AssertionError: assertion failed: trait Contexts.NoContext$ linkedModule: <none>List() + // at scala.Predef$.assert(Predef.scala:160) + // at scala.tools.nsc.symtab.classfile.ClassfileParser$innerClasses$.innerSymbol$1(ClassfileParser.scala:1211) + // at scala.tools.nsc.symtab.classfile.ClassfileParser$innerClasses$.classSymbol(ClassfileParser.scala:1223) + // at scala.tools.nsc.symtab.classfile.ClassfileParser.classNameToSymbol(ClassfileParser.scala:489) + // at scala.tools.nsc.symtab.classfile.ClassfileParser.sig2type$1(ClassfileParser.scala:757) + // at scala.tools.nsc.symtab.classfile.ClassfileParser.sig2type$1(ClassfileParser.scala:789) + val code = + """package scala.tools.nsc + |package interactive + | + |trait MyContextTrees { + | val self: Global + | val NoContext = self.analyzer.NoContext + |} + """.stripMargin + compileClasses(code) + } + + @Test + def t9160(): Unit = { + val code = + """class C { + | def getInt: Int = 0 + | def t(trees: Object): Int = { + | trees match { + | case Some(elems) => + | case tree => getInt + | } + | 55 + | } + |} + """.stripMargin + val c = compileClass(code) + assertSameSummary(getMethod(c, "t"), List( + ALOAD /*1*/, INSTANCEOF /*Some*/, IFNE /*A*/, + ALOAD /*0*/, "getInt", POP, + -1 /*A*/, BIPUSH, IRETURN)) + } + + @Test + def t8796(): Unit = { + val code = + """final class C { + | def pr(): Unit = () + | def t(index: Int): Unit = index match { + | case 0 => pr() + | case 1 => pr() + | case _ => t(index - 2) + | } + |} + """.stripMargin + val c = compileClass(code) + assertSameSummary(getMethod(c, "t"), List( + -1 /*A*/, ILOAD /*1*/, TABLESWITCH, + -1, ALOAD, "pr", RETURN, + -1, ALOAD, "pr", RETURN, + -1, ILOAD, ICONST_2, ISUB, ISTORE, GOTO /*A*/)) + } + + @Test + def t8524(): Unit = { + val c1 = + """package library + |object Library { + | @inline def pleaseInlineMe() = 1 + | object Nested { @inline def pleaseInlineMe() = 2 } + |} + """.stripMargin + + val c2 = + """class C { + | def t = library.Library.pleaseInlineMe() + library.Library.Nested.pleaseInlineMe() + |} + """.stripMargin + + val cls = compileClassesSeparately(List(c1, c2), extraArgs = compilerArgs) + val c = findClass(cls, "C") + assertSameSummary(getMethod(c, "t"), List( + GETSTATIC, IFNONNULL, ACONST_NULL, ATHROW, // module load and null checks not yet eliminated + -1, ICONST_1, GETSTATIC, IFNONNULL, ACONST_NULL, ATHROW, + -1, ICONST_2, IADD, IRETURN)) + } + + @Test + def privateInline(): Unit = { + val code = + """final class C { + | private var x1 = false + | var x2 = false + | + | @inline private def wrapper1[T](body: => T): T = { + | val saved = x1 + | x1 = true + | try body + | finally x1 = saved + | } + | + | @inline private def wrapper2[T](body: => T): T = { + | val saved = x2 + | x2 = true + | try body + | finally x2 = saved + | } + | // inlined + | def f1a() = wrapper1(5) + | // not inlined: even after inlining `identity`, the Predef module is already on the stack for the + | // subsequent null check (the receiver of an inlined method, in this case Predef, is checked for + | // nullness, to ensure an NPE is thrown) + | def f1b() = identity(wrapper1(5)) + | + | def f2a() = wrapper2(5) // inlined + | def f2b() = identity(wrapper2(5)) // not inlined + |} + """.stripMargin + val c = compileClass(code, allowMessage = _.msg.contains("exception handler declared in the inlined method")) + assertInvoke(getMethod(c, "f1a"), "C", "C$$$anonfun$1") + assertInvoke(getMethod(c, "f1b"), "C", "wrapper1") + assertInvoke(getMethod(c, "f2a"), "C", "C$$$anonfun$3") + assertInvoke(getMethod(c, "f2b"), "C", "wrapper2") + } + + @Test + def t7060(): Unit = { + val code = + """class C { + | @inline final def mbarray_apply_minibox(array: Any, tag: Byte): Long = + | if (tag == 0) array.asInstanceOf[Array[Long]](0) + | else array.asInstanceOf[Array[Byte]](0).toLong + | + | def t = mbarray_apply_minibox(null, 0) + |} + """.stripMargin + val c = compileClass(code) + assertNoInvoke(getMethod(c, "t")) + } + + @Test + def t8315(): Unit = { + val code = + """class C { + | def t(as: Listt): Unit = { + | map(as, (_: Any) => return) + | } + | final def map(x: Listt, f: Any => Any): Any = { + | if (x eq Nill) "" else f("") + | } + |} + |object Nill extends Listt + |class Listt + """.stripMargin + val List(c, nil, nilMod, listt) = compileClasses(code) + assertInvoke(getMethod(c, "t"), "C", "C$$$anonfun$1") + } + + @Test + def t8315b(): Unit = { + val code = + """class C { + | def crash: Unit = { + | val key = "" + | try map(new F(key)) + | catch { case _: Throwable => } + | } + | final def map(f: F): Any = f.apply("") + |} + |final class F(key: String) { + | final def apply(a: Any): Any = throw new RuntimeException(key) + |} + """.stripMargin + val List(c, f) = compileClasses(code) + assertInvoke(getMethod(c, "crash"), "C", "map") + } + + @Test + def optimiseEnablesNewOpt(): Unit = { + val code = """class C { def t = (1 to 10) foreach println }""" + val List(c) = readAsmClasses(newCompiler(extraArgs = "-optimise -deprecation").compileToBytes(code, allowMessage = _.msg.contains("is deprecated"))) + assertInvoke(getMethod(c, "t"), "C", "C$$$anonfun$1") // range-foreach inlined from classpath + } +} diff --git a/test/junit/scala/tools/nsc/backend/jvm/StringConcatTest.scala b/test/junit/scala/tools/nsc/backend/jvm/StringConcatTest.scala index fc0c96e71a..af2c8f9ce0 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/StringConcatTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/StringConcatTest.scala @@ -1,22 +1,18 @@ package scala.tools.nsc package backend.jvm +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - -import scala.tools.testing.AssertUtil._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class StringConcatTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler()) +class StringConcatTest extends BytecodeTesting { + import compiler._ @Test def appendOverloadNoBoxing(): Unit = { @@ -54,9 +50,9 @@ class StringConcatTest extends ClearAfterClass { | chrs: Array[Char]) = this + str + v + z + c + b + s + i + f + l + d + sbuf + chsq + chrs |} """.stripMargin - val List(c) = compileClasses(compiler)(code) + val c = compileClass(code) - def invokeNameDesc(m: String): List[String] = getSingleMethod(c, m).instructions collect { + def invokeNameDesc(m: String): List[String] = getInstructions(c, m) collect { case Invoke(_, _, name, desc, _) => name + desc } assertEquals(invokeNameDesc("t1"), List( diff --git a/test/junit/scala/tools/nsc/backend/jvm/analysis/NullnessAnalyzerTest.scala b/test/junit/scala/tools/nsc/backend/jvm/analysis/NullnessAnalyzerTest.scala index 075f42d18f..b0a86dfd28 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/analysis/NullnessAnalyzerTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/analysis/NullnessAnalyzerTest.scala @@ -2,32 +2,29 @@ package scala.tools.nsc package backend.jvm package analysis +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ -import scala.tools.asm.tree.{AbstractInsnNode, MethodNode} +import scala.collection.JavaConverters._ +import scala.tools.asm.tree.MethodNode +import scala.tools.nsc.backend.jvm.AsmUtils._ import scala.tools.nsc.backend.jvm.BTypes._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import scala.tools.testing.ClearAfterClass import scala.tools.nsc.backend.jvm.opt.BytecodeUtils._ -import AsmUtils._ - -import scala.collection.JavaConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class NullnessAnalyzerTest extends ClearAfterClass { - val noOptCompiler = cached("noOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:none")) - import noOptCompiler.genBCode.bTypes.backendUtils._ +class NullnessAnalyzerTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + import compiler._ + import global.genBCode.bTypes.backendUtils._ - def newNullnessAnalyzer(methodNode: MethodNode, classInternalName: InternalName = "C") = new AsmAnalyzer(methodNode, classInternalName, new NullnessAnalyzer(noOptCompiler.genBCode.bTypes)) + def newNullnessAnalyzer(methodNode: MethodNode, classInternalName: InternalName = "C") = new AsmAnalyzer(methodNode, classInternalName, new NullnessAnalyzer(global.genBCode.bTypes)) def testNullness(analyzer: AsmAnalyzer[NullnessValue], method: MethodNode, query: String, index: Int, nullness: NullnessValue): Unit = { - for (i <- findInstr(method, query)) { + for (i <- findInstrs(method, query)) { val r = analyzer.frameAt(i).getValue(index) assertTrue(s"Expected: $nullness, found: $r. At instr ${textify(i)}", nullness == r) } @@ -53,7 +50,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { @Test def showNullnessFramesTest(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = this.toString") + val m = compileAsmMethod("def f = this.toString") // NOTE: the frame for an instruction represents the state *before* executing that instr. // So in the frame for `ALOAD 0`, the stack is still empty. @@ -71,14 +68,14 @@ class NullnessAnalyzerTest extends ClearAfterClass { @Test def thisNonNull(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = this.toString") + val m = compileAsmMethod("def f = this.toString") val a = newNullnessAnalyzer(m) testNullness(a, m, "ALOAD 0", 0, NotNullValue) } @Test def instanceMethodCall(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f(a: String) = a.trim") + val m = compileAsmMethod("def f(a: String) = a.trim") val a = newNullnessAnalyzer(m) testNullness(a, m, "INVOKEVIRTUAL java/lang/String.trim", 1, UnknownValue1) testNullness(a, m, "ARETURN", 1, NotNullValue) @@ -86,7 +83,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { @Test def constructorCall(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = { val a = new Object; a.toString }") + val m = compileAsmMethod("def f = { val a = new Object; a.toString }") val a = newNullnessAnalyzer(m) // for reference, the output of showAllNullnessFrames(a, m) - note that the frame represents the state *before* executing the instr. @@ -111,7 +108,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { @Test def explicitNull(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = { var a: Object = null; a }") + val m = compileAsmMethod("def f = { var a: Object = null; a }") val a = newNullnessAnalyzer(m) for ((insn, index, nullness) <- List( ("+ACONST_NULL", 2, NullValue), @@ -122,14 +119,14 @@ class NullnessAnalyzerTest extends ClearAfterClass { @Test def stringLiteralsNotNull(): Unit = { - val List(m) = compileMethods(noOptCompiler)("""def f = { val a = "hi"; a.trim }""") + val m = compileAsmMethod("""def f = { val a = "hi"; a.trim }""") val a = newNullnessAnalyzer(m) testNullness(a, m, "+ASTORE 1", 1, NotNullValue) } @Test def newArraynotNull() { - val List(m) = compileMethods(noOptCompiler)("def f = { val a = new Array[Int](2); a(0) }") + val m = compileAsmMethod("def f = { val a = new Array[Int](2); a(0) }") val a = newNullnessAnalyzer(m) testNullness(a, m, "+NEWARRAY T_INT", 2, NotNullValue) // new array on stack testNullness(a, m, "+ASTORE 1", 1, NotNullValue) // local var (a) @@ -147,7 +144,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { | a.toString |} """.stripMargin - val List(m) = compileMethods(noOptCompiler)(code) + val m = compileAsmMethod(code) val a = newNullnessAnalyzer(m) val toSt = "+INVOKEVIRTUAL java/lang/Object.toString" testNullness(a, m, toSt, 3, UnknownValue1) @@ -173,7 +170,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { | // d is null here, assinged in both branches. |} """.stripMargin - val List(m) = compileMethods(noOptCompiler)(code) + val m = compileAsmMethod(code) val a = newNullnessAnalyzer(m) val trim = "INVOKEVIRTUAL java/lang/String.trim" @@ -209,7 +206,7 @@ class NullnessAnalyzerTest extends ClearAfterClass { | a.asInstanceOf[String].trim // the stack value (LOAD of local a) is still not-null after the CHECKCAST |} """.stripMargin - val List(m) = compileMethods(noOptCompiler)(code) + val m = compileAsmMethod(code) val a = newNullnessAnalyzer(m) val instof = "+INSTANCEOF" diff --git a/test/junit/scala/tools/nsc/backend/jvm/analysis/ProdConsAnalyzerTest.scala b/test/junit/scala/tools/nsc/backend/jvm/analysis/ProdConsAnalyzerTest.scala index 8d4bc19ec3..fc26785237 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/analysis/ProdConsAnalyzerTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/analysis/ProdConsAnalyzerTest.scala @@ -2,22 +2,23 @@ package scala.tools.nsc package backend.jvm package analysis +import org.junit.Assert._ import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Assert._ import scala.tools.asm.Opcodes import scala.tools.asm.tree.AbstractInsnNode +import scala.tools.nsc.backend.jvm.AsmUtils._ import scala.tools.partest.ASMConverters._ -import scala.tools.testing.ClearAfterClass -import CodeGenTools._ -import AsmUtils._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class ProdConsAnalyzerTest extends ClearAfterClass { - val noOptCompiler =cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:none")) - import noOptCompiler.genBCode.bTypes.backendUtils._ +class ProdConsAnalyzerTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + import compiler._ + import global.genBCode.bTypes.backendUtils._ def prodToString(producer: AbstractInsnNode) = producer match { case p: InitialProducer => p.toString @@ -48,9 +49,9 @@ class ProdConsAnalyzerTest extends ClearAfterClass { @Test def parameters(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = this.toString") + val m = compileAsmMethod("def f = this.toString") val a = new ProdConsAnalyzer(m, "C") - val call = findInstr(m, "INVOKEVIRTUAL").head + val call = findInstr(m, "INVOKEVIRTUAL") testSingleInsn(a.producersForValueAt(call, 1), "ALOAD 0") // producer of stack value testSingleInsn(a.producersForInputsOf(call), "ALOAD 0") @@ -83,55 +84,55 @@ class ProdConsAnalyzerTest extends ClearAfterClass { m.maxStack = 1 val a = new ProdConsAnalyzer(m, "C") - val ifne = findInstr(m, "IFNE").head + val ifne = findInstr(m, "IFNE") testSingleInsn(a.producersForValueAt(ifne, 1), "ParameterProducer") - val ret = findInstr(m, "IRETURN").head + val ret = findInstr(m, "IRETURN") testMultiInsns(a.producersForValueAt(ret, 1), List("ParameterProducer", "ISTORE 1")) } @Test def branching(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f(x: Int) = { var a = x; if (a == 0) a = 12; a }") + val m = compileAsmMethod("def f(x: Int) = { var a = x; if (a == 0) a = 12; a }") val a = new ProdConsAnalyzer(m, "C") - val List(ret) = findInstr(m, "IRETURN") + val ret = findInstr(m, "IRETURN") testMultiInsns(a.producersForValueAt(ret, 2), List("ISTORE 2", "ISTORE 2")) testMultiInsns(a.initialProducersForValueAt(ret, 2), List("BIPUSH 12", "ParameterProducer")) - val List(bipush) = findInstr(m, "BIPUSH 12") + val bipush = findInstr(m, "BIPUSH 12") testSingleInsn(a.consumersOfOutputsFrom(bipush), "ISTORE 2") testSingleInsn(a.ultimateConsumersOfValueAt(bipush.getNext, 3), "IRETURN") } @Test def checkCast(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f(o: Object) = o.asInstanceOf[String]") + val m = compileAsmMethod("def f(o: Object) = o.asInstanceOf[String]") val a = new ProdConsAnalyzer(m, "C") - assert(findInstr(m, "CHECKCAST java/lang/String").length == 1) + assert(findInstrs(m, "CHECKCAST java/lang/String").length == 1) - val List(ret) = findInstr(m, "ARETURN") + val ret = findInstr(m, "ARETURN") testSingleInsn(a.initialProducersForInputsOf(ret), "ParameterProducer(1)") } @Test def instanceOf(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f(o: Object) = o.isInstanceOf[String]") + val m = compileAsmMethod("def f(o: Object) = o.isInstanceOf[String]") val a = new ProdConsAnalyzer(m, "C") - assert(findInstr(m, "INSTANCEOF java/lang/String").length == 1) + assert(findInstrs(m, "INSTANCEOF java/lang/String").length == 1) - val List(ret) = findInstr(m, "IRETURN") + val ret = findInstr(m, "IRETURN") testSingleInsn(a.initialProducersForInputsOf(ret), "INSTANCEOF") } @Test def unInitLocal(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f(b: Boolean) = { if (b) { var a = 0; println(a) }; 1 }") + val m = compileAsmMethod("def f(b: Boolean) = { if (b) { var a = 0; println(a) }; 1 }") val a = new ProdConsAnalyzer(m, "C") - val List(store) = findInstr(m, "ISTORE") - val List(call) = findInstr(m, "INVOKEVIRTUAL") - val List(ret) = findInstr(m, "IRETURN") + val store = findInstr(m, "ISTORE") + val call = findInstr(m, "INVOKEVIRTUAL") + val ret = findInstr(m, "IRETURN") testSingleInsn(a.producersForValueAt(store, 2), "UninitializedLocalProducer(2)") testSingleInsn(a.producersForValueAt(call, 2), "ISTORE") @@ -140,11 +141,11 @@ class ProdConsAnalyzerTest extends ClearAfterClass { @Test def dupCopying(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = new Object") + val m = compileAsmMethod("def f = new Object") val a = new ProdConsAnalyzer(m, "C") - val List(newO) = findInstr(m, "NEW") - val List(constr) = findInstr(m, "INVOKESPECIAL") + val newO = findInstr(m, "NEW") + val constr = findInstr(m, "INVOKESPECIAL") testSingleInsn(a.producersForInputsOf(constr), "DUP") testSingleInsn(a.initialProducersForInputsOf(constr), "NEW") @@ -169,11 +170,11 @@ class ProdConsAnalyzerTest extends ClearAfterClass { m.maxStack = 4 val a = new ProdConsAnalyzer(m, "C") - val List(dup2) = findInstr(m, "DUP2") - val List(add) = findInstr(m, "IADD") - val List(swap) = findInstr(m, "SWAP") - val List(store) = findInstr(m, "ISTORE") - val List(ret) = findInstr(m, "IRETURN") + val dup2 = findInstr(m, "DUP2") + val add = findInstr(m, "IADD") + val swap = findInstr(m, "SWAP") + val store = findInstr(m, "ISTORE") + val ret = findInstr(m, "IRETURN") testMultiInsns(a.producersForInputsOf(dup2), List("ILOAD", "ILOAD")) testSingleInsn(a.consumersOfValueAt(dup2.getNext, 4), "IADD") @@ -204,9 +205,9 @@ class ProdConsAnalyzerTest extends ClearAfterClass { m.maxStack = 1 val a = new ProdConsAnalyzer(m, "C") - val List(inc) = findInstr(m, "IINC") - val List(load) = findInstr(m, "ILOAD") - val List(ret) = findInstr(m, "IRETURN") + val inc = findInstr(m, "IINC") + val load = findInstr(m, "ILOAD") + val ret = findInstr(m, "IRETURN") testSingleInsn(a.producersForInputsOf(inc), "ParameterProducer(1)") testSingleInsn(a.consumersOfOutputsFrom(inc), "ILOAD") @@ -222,12 +223,12 @@ class ProdConsAnalyzerTest extends ClearAfterClass { @Test def copyingInsns(): Unit = { - val List(m) = compileMethods(noOptCompiler)("def f = 0l.asInstanceOf[Int]") + val m = compileAsmMethod("def f = 0l.asInstanceOf[Int]") val a = new ProdConsAnalyzer(m, "C") - val List(cnst) = findInstr(m, "LCONST_0") - val List(l2i) = findInstr(m, "L2I") // l2i is not a copying instruction - val List(ret) = findInstr(m, "IRETURN") + val cnst = findInstr(m, "LCONST_0") + val l2i = findInstr(m, "L2I") // l2i is not a copying instruction + val ret = findInstr(m, "IRETURN") testSingleInsn(a.consumersOfOutputsFrom(cnst), "L2I") testSingleInsn(a.ultimateConsumersOfOutputsFrom(cnst), "L2I") @@ -263,10 +264,10 @@ class ProdConsAnalyzerTest extends ClearAfterClass { m.maxStack = 2 val a = new ProdConsAnalyzer(m, "C") - val List(iadd) = findInstr(m, "IADD") + val iadd = findInstr(m, "IADD") val firstLoad = iadd.getPrevious.getPrevious assert(firstLoad.getOpcode == ILOAD) - val secondLoad = findInstr(m, "ISTORE").head.getPrevious + val secondLoad = findInstr(m, "ISTORE").getPrevious assert(secondLoad.getOpcode == ILOAD) testSingleInsn(a.producersForValueAt(iadd, 2), "ILOAD") diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/AnalyzerTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/AnalyzerTest.scala index 09675870f0..025248ac28 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/AnalyzerTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/AnalyzerTest.scala @@ -2,28 +2,21 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import org.junit.Assert._ -import scala.tools.asm.tree._ import scala.tools.asm.tree.analysis._ -import scala.tools.nsc.backend.jvm.analysis.{AliasingFrame, AliasingAnalyzer} - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ -import BackendReporting._ -import BytecodeUtils._ - -import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.nsc.backend.jvm.analysis.{AliasingAnalyzer, AliasingFrame} +import scala.tools.nsc.backend.jvm.opt.BytecodeUtils._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class AnalyzerTest extends ClearAfterClass { - val noOptCompiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:none")) +class AnalyzerTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + import compiler._ @Test def aliasingOfPrimitives(): Unit = { @@ -39,17 +32,17 @@ class AnalyzerTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(noOptCompiler)(code) + val c = compileClass(code) val a = new AliasingAnalyzer(new BasicInterpreter) - val f = findAsmMethod(c, "f") + val f = getAsmMethod(c, "f") a.analyze("C", f) - val List(_, i2l) = findInstr(f, "I2L") + val List(_, i2l) = findInstrs(f, "I2L") val aliasesAtI2l = a.frameAt(i2l, f).asInstanceOf[AliasingFrame[_]].aliases assertEquals(aliasesAtI2l(1).iterator.toList, List(1, 8, 9)) // a, e and stack top assertEquals(aliasesAtI2l(4).iterator.toList, List(4, 6)) - val List(add) = findInstr(f, "LADD") + val add = findInstr(f, "LADD") val aliasesAtAdd = a.frameAt(add, f).asInstanceOf[AliasingFrame[_]].aliases assertEquals(aliasesAtAdd(1).iterator.toList, List(1, 8)) // after i2l the value on the stack is no longer an alias assertEquals(aliasesAtAdd(4).iterator.toList, List(4, 6, 10)) // c, d and stack top diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/BTypesFromClassfileTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/BTypesFromClassfileTest.scala index aba0aab038..e7aea71e72 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/BTypesFromClassfileTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/BTypesFromClassfileTest.scala @@ -2,37 +2,29 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.{Ignore, Test} import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ +import scala.tools.asm.Opcodes._ import scala.tools.nsc.backend.jvm.BTypes.InternalName -import scala.tools.testing.AssertUtil._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ - -import BackendReporting._ - -import scala.collection.JavaConverters._ +import scala.tools.nsc.backend.jvm.BackendReporting._ +import scala.tools.testing.BytecodeTesting @RunWith(classOf[JUnit4]) -class BTypesFromClassfileTest { +class BTypesFromClassfileTest extends BytecodeTesting { // inliner enabled -> inlineInfos are collected (and compared) in ClassBTypes - val compiler = newCompiler(extraArgs = "-Yopt:inline-global") + override def compilerArgs = "-Yopt:inline-global" - import compiler._ + import compiler.global._ import definitions._ import genBCode.bTypes import bTypes._ - def duringBackend[T](f: => T) = compiler.exitingDelambdafy(f) + def duringBackend[T](f: => T) = global.exitingDelambdafy(f) - val run = new compiler.Run() // initializes some of the compiler - duringBackend(compiler.scalaPrimitives.init()) // needed: it's only done when running the backend, and we don't actually run the compiler + val run = new global.Run() // initializes some of the compiler + duringBackend(global.scalaPrimitives.init()) // needed: it's only done when running the backend, and we don't actually run the compiler duringBackend(bTypes.initializeCoreBTypes()) def clearCache() = bTypes.classBTypeFromInternalName.clear() @@ -91,7 +83,9 @@ class BTypesFromClassfileTest { sameBType(fromSymbol, fromClassfile) } - @Test + // Can be enabled when using 2.12.0-M5 as starr. This test works under a full boostrap, but not + // when compiled with M4. + @Test @Ignore def compareClassBTypes(): Unit = { // Note that not only these classes are tested, but also all their parents and all nested // classes in their InnerClass attributes. diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/CallGraphTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/CallGraphTest.scala index 9a27c42cac..630416a925 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/CallGraphTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/CallGraphTest.scala @@ -2,46 +2,38 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test + +import scala.collection.JavaConverters._ import scala.collection.generic.Clearable import scala.collection.immutable.IntMap -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - import scala.tools.asm.tree._ -import scala.tools.asm.tree.analysis._ +import scala.tools.nsc.backend.jvm.BackendReporting._ import scala.tools.nsc.reporters.StoreReporter -import scala.tools.testing.AssertUtil._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ -import BackendReporting._ - -import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class CallGraphTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:inline-global -Yopt-warnings") - ) - import compiler.genBCode.bTypes +class CallGraphTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:inline-global -Yopt-warnings" + import compiler._ + import global.genBCode.bTypes val notPerRun: List[Clearable] = List( bTypes.classBTypeFromInternalName, bTypes.byteCodeRepository.compilingClasses, bTypes.byteCodeRepository.parsedClasses, bTypes.callGraph.callsites) - notPerRun foreach compiler.perRunCaches.unrecordCache + notPerRun foreach global.perRunCaches.unrecordCache - import compiler.genBCode.bTypes._ + import global.genBCode.bTypes._ import callGraph._ def compile(code: String, allowMessage: StoreReporter#Info => Boolean = _ => false): List[ClassNode] = { notPerRun.foreach(_.clear()) - compileClasses(compiler)(code, allowMessage = allowMessage).map(c => byteCodeRepository.classNode(c.name).get) + compileClasses(code, allowMessage = allowMessage).map(c => byteCodeRepository.classNode(c.name).get) } def callsInMethod(methodNode: MethodNode): List[MethodInsnNode] = methodNode.instructions.iterator.asScala.collect({ @@ -112,10 +104,10 @@ class CallGraphTest extends ClearAfterClass { val List(cCls, cMod, dCls, testCls) = compile(code, checkMsg) assert(msgCount == 6, msgCount) - val List(cf1, cf2, cf3, cf4, cf5, cf6, cf7) = findAsmMethods(cCls, _.startsWith("f")) - val List(df1, df3) = findAsmMethods(dCls, _.startsWith("f")) - val g1 = findAsmMethod(cMod, "g1") - val List(t1, t2) = findAsmMethods(testCls, _.startsWith("t")) + val List(cf1, cf2, cf3, cf4, cf5, cf6, cf7) = getAsmMethods(cCls, _.startsWith("f")) + val List(df1, df3) = getAsmMethods(dCls, _.startsWith("f")) + val g1 = getAsmMethod(cMod, "g1") + val List(t1, t2) = getAsmMethods(testCls, _.startsWith("t")) val List(cf1Call, cf2Call, cf3Call, cf4Call, cf5Call, cf6Call, cf7Call, cg1Call) = callsInMethod(t1) val List(df1Call, df2Call, df3Call, df4Call, df5Call, df6Call, df7Call, dg1Call) = callsInMethod(t2) @@ -151,7 +143,7 @@ class CallGraphTest extends ClearAfterClass { |} """.stripMargin val List(c) = compile(code) - val m = findAsmMethod(c, "m") + val m = getAsmMethod(c, "m") val List(fn) = callsInMethod(m) val forNameMeth = byteCodeRepository.methodNode("java/lang/Class", "forName", "(Ljava/lang/String;)Ljava/lang/Class;").get._1 val classTp = classBTypeFromInternalName("java/lang/Class") diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/ClosureOptimizerTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/ClosureOptimizerTest.scala index e8530af4e0..218b02f822 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/ClosureOptimizerTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/ClosureOptimizerTest.scala @@ -2,34 +2,19 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.collection.generic.Clearable -import scala.collection.mutable.ListBuffer -import scala.reflect.internal.util.BatchSourceFile -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - -import scala.tools.asm.tree._ -import scala.tools.asm.tree.analysis._ -import scala.tools.nsc.io._ -import scala.tools.nsc.reporters.StoreReporter -import scala.tools.testing.AssertUtil._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ - -import BackendReporting._ - -import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.asm.Opcodes._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class ClosureOptimizerTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:classpath -Yopt-warnings:_")) +class ClosureOptimizerTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:classpath -Yopt-warnings:_" + import compiler._ @Test def nothingTypedClosureBody(): Unit = { @@ -41,9 +26,9 @@ class ClosureOptimizerTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(compiler)(code) - val t = findAsmMethod(c, "t") - val List(bodyCall) = findInstr(t, "INVOKESTATIC C.C$$$anonfun$1 ()Lscala/runtime/Nothing$") + val c = compileClass(code) + val t = getAsmMethod(c, "t") + val bodyCall = findInstr(t, "INVOKESTATIC C.C$$$anonfun$1 ()Lscala/runtime/Nothing$") assert(bodyCall.getNext.getOpcode == ATHROW) } @@ -57,9 +42,9 @@ class ClosureOptimizerTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(compiler)(code) - val t = findAsmMethod(c, "t") - val List(bodyCall) = findInstr(t, "INVOKESTATIC C.C$$$anonfun$1 ()Lscala/runtime/Null$") + val c = compileClass(code) + val t = getAsmMethod(c, "t") + val bodyCall = findInstr(t, "INVOKESTATIC C.C$$$anonfun$1 ()Lscala/runtime/Null$") assert(bodyCall.getNext.getOpcode == POP) assert(bodyCall.getNext.getNext.getOpcode == ACONST_NULL) } @@ -74,8 +59,8 @@ class ClosureOptimizerTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(compiler)(code) - assertSameCode(getSingleMethod(c, "t"), + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List(VarOp(ALOAD, 1), Invoke(INVOKEVIRTUAL, "scala/collection/immutable/List", "head", "()Ljava/lang/Object;", false), TypeOp(CHECKCAST, "java/lang/String"), Invoke(INVOKESTATIC, "C", "C$$$anonfun$1", "(Ljava/lang/String;)Ljava/lang/String;", false), Op(ARETURN))) @@ -95,7 +80,7 @@ class ClosureOptimizerTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(compiler)(code) - assertSameSummary(getSingleMethod(c, "t"), List(NEW, DUP, LDC, "<init>", ATHROW)) + val c = compileClass(code) + assertSameSummary(getMethod(c, "t"), List(NEW, DUP, LDC, "<init>", ATHROW)) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/CompactLocalVariablesTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/CompactLocalVariablesTest.scala index ac1b759fe2..c3748a05bd 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/CompactLocalVariablesTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/CompactLocalVariablesTest.scala @@ -2,23 +2,21 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting._ +import scala.tools.testing.ClearAfterClass @RunWith(classOf[JUnit4]) -class CompactLocalVariablesTest { - +class CompactLocalVariablesTest extends ClearAfterClass { // recurse-unreachable-jumps is required for eliminating catch blocks, in the first dce round they // are still live.only after eliminating the empty handler the catch blocks become unreachable. - val methodOptCompiler = newCompiler(extraArgs = "-Yopt:unreachable-code,compact-locals") - val noCompactVarsCompiler = newCompiler(extraArgs = "-Yopt:unreachable-code") + val methodOptCompiler = cached("methodOptCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code,compact-locals")) + val noCompactVarsCompiler = cached("noCompactVarsCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code")) @Test def compactUnused(): Unit = { @@ -58,8 +56,8 @@ class CompactLocalVariablesTest { |} |""".stripMargin - val List(noCompact) = compileMethods(noCompactVarsCompiler)(code) - val List(withCompact) = compileMethods(methodOptCompiler)(code) + val noCompact = noCompactVarsCompiler.compileAsmMethod(code) + val withCompact = methodOptCompiler.compileAsmMethod(code) // code is the same, except for local var indices assertTrue(noCompact.instructions.size == withCompact.instructions.size) diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyExceptionHandlersTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyExceptionHandlersTest.scala index 6d566c722f..3324058cb7 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyExceptionHandlersTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyExceptionHandlersTest.scala @@ -2,22 +2,23 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.asm.Opcodes._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class EmptyExceptionHandlersTest extends ClearAfterClass { +class EmptyExceptionHandlersTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:unreachable-code" + def dceCompiler = compiler + val noOptCompiler = cached("noOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:none")) - val dceCompiler = cached("dceCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code")) val exceptionDescriptor = "java/lang/Exception" @@ -59,8 +60,8 @@ class EmptyExceptionHandlersTest extends ClearAfterClass { def eliminateUnreachableHandler(): Unit = { val code = "def f: Unit = try { } catch { case _: Exception => println(0) }; println(1)" - assertTrue(singleMethod(noOptCompiler)(code).handlers.length == 1) - val optMethod = singleMethod(dceCompiler)(code) + assertTrue(noOptCompiler.compileMethod(code).handlers.length == 1) + val optMethod = dceCompiler.compileMethod(code) assertTrue(optMethod.handlers.isEmpty) val code2 = @@ -72,7 +73,7 @@ class EmptyExceptionHandlersTest extends ClearAfterClass { | println(2) |}""".stripMargin - assertTrue(singleMethod(dceCompiler)(code2).handlers.isEmpty) + assertTrue(dceCompiler.compileMethod(code2).handlers.isEmpty) } @Test @@ -84,6 +85,6 @@ class EmptyExceptionHandlersTest extends ClearAfterClass { | catch { case _: Exception => 2 } |}""".stripMargin - assertTrue(singleMethod(dceCompiler)(code).handlers.length == 1) + assertTrue(dceCompiler.compileMethod(code).handlers.length == 1) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyLabelsAndLineNumbersTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyLabelsAndLineNumbersTest.scala index 7283e20745..d57d44f2a3 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyLabelsAndLineNumbersTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/EmptyLabelsAndLineNumbersTest.scala @@ -2,16 +2,16 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import scala.tools.testing.AssertUtil._ -import CodeGenTools._ +import scala.tools.asm.Opcodes._ import scala.tools.partest.ASMConverters -import ASMConverters._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.AssertUtil._ +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) class EmptyLabelsAndLineNumbersTest { diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/InlineInfoTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/InlineInfoTest.scala index 5cb1aab4a9..e45d7139a3 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/InlineInfoTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/InlineInfoTest.scala @@ -2,36 +2,31 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.collection.generic.Clearable -import org.junit.Assert._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ -import scala.tools.testing.ClearAfterClass - -import BackendReporting._ import scala.collection.JavaConverters._ +import scala.collection.generic.Clearable +import scala.tools.nsc.backend.jvm.BackendReporting._ +import scala.tools.testing.BytecodeTesting @RunWith(classOf[JUnit4]) -class InlineInfoTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:classpath")) +class InlineInfoTest extends BytecodeTesting { + import compiler.global + import global.genBCode.bTypes + + override def compilerArgs = "-Yopt:l:classpath" - import compiler.genBCode.bTypes def notPerRun: List[Clearable] = List( bTypes.classBTypeFromInternalName, bTypes.byteCodeRepository.compilingClasses, bTypes.byteCodeRepository.parsedClasses) - notPerRun foreach compiler.perRunCaches.unrecordCache + notPerRun foreach global.perRunCaches.unrecordCache def compile(code: String) = { notPerRun.foreach(_.clear()) - compileClasses(compiler)(code) + compiler.compileClasses(code) } @Test @@ -55,11 +50,11 @@ class InlineInfoTest extends ClearAfterClass { """.stripMargin val classes = compile(code) - val fromSyms = classes.map(c => compiler.genBCode.bTypes.classBTypeFromInternalName(c.name).info.get.inlineInfo) + val fromSyms = classes.map(c => global.genBCode.bTypes.classBTypeFromInternalName(c.name).info.get.inlineInfo) val fromAttrs = classes.map(c => { assert(c.attrs.asScala.exists(_.isInstanceOf[InlineInfoAttribute]), c.attrs) - compiler.genBCode.bTypes.inlineInfoFromClassfile(c) + global.genBCode.bTypes.inlineInfoFromClassfile(c) }) assert(fromSyms == fromAttrs) diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/InlineWarningTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/InlineWarningTest.scala index 6dd0a33289..f0913f3631 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/InlineWarningTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/InlineWarningTest.scala @@ -2,41 +2,21 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.collection.generic.Clearable -import scala.collection.mutable.ListBuffer -import scala.reflect.internal.util.BatchSourceFile -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - -import scala.tools.asm.tree._ -import scala.tools.asm.tree.analysis._ -import scala.tools.nsc.io._ -import scala.tools.nsc.reporters.StoreReporter -import scala.tools.testing.AssertUtil._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ -import BackendReporting._ +@RunWith(classOf[JUnit4]) +class InlineWarningTest extends BytecodeTesting { + def optCp = "-Yopt:l:classpath" + override def compilerArgs = s"$optCp -Yopt-warnings" -import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass + import compiler._ -@RunWith(classOf[JUnit4]) -class InlineWarningTest extends ClearAfterClass { - val argsNoWarn = "-Yopt:l:classpath" - val args = argsNoWarn + " -Yopt-warnings" - val compiler = cached("compiler", () => newCompiler(extraArgs = args)) - val compilerWarnAll = cached("compilerWarnAll", () => newCompiler(extraArgs = argsNoWarn + " -Yopt-warnings:_")) - - def compile(scalaCode: String, javaCode: List[(String, String)] = Nil, allowMessage: StoreReporter#Info => Boolean = _ => false, compiler: Global = compiler): List[ClassNode] = { - compileClasses(compiler)(scalaCode, javaCode, allowMessage) - } + val compilerWarnAll = cached("compilerWarnAll", () => newCompiler(extraArgs = s"$optCp -Yopt-warnings:_")) @Test def nonFinal(): Unit = { @@ -58,7 +38,7 @@ class InlineWarningTest extends ClearAfterClass { "C::m1()I is annotated @inline but cannot be inlined: the method is not final and may be overridden", "T::m2()I is annotated @inline but cannot be inlined: the method is not final and may be overridden", "D::m2()I is annotated @inline but cannot be inlined: the method is not final and may be overridden") - compile(code, allowMessage = i => {count += 1; warns.exists(i.msg contains _)}) + compileToBytes(code, allowMessage = i => {count += 1; warns.exists(i.msg contains _)}) assert(count == 4, count) } @@ -73,7 +53,7 @@ class InlineWarningTest extends ClearAfterClass { """.stripMargin var c = 0 - compile(code, allowMessage = i => {c += 1; i.msg contains "operand stack at the callsite in C::t1()V contains more values"}) + compileToBytes(code, allowMessage = i => {c += 1; i.msg contains "operand stack at the callsite in C::t1()V contains more values"}) assert(c == 1, c) } @@ -103,14 +83,14 @@ class InlineWarningTest extends ClearAfterClass { |Note that the parent class A is defined in a Java source (mixed compilation), no bytecode is available.""".stripMargin) var c = 0 - val List(b) = compile(scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; warns.tail.exists(i.msg contains _)}) + val List(b) = compileToBytes(scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; warns.tail.exists(i.msg contains _)}) assert(c == 1, c) // no warnings here - compileClasses(newCompiler(extraArgs = argsNoWarn + " -Yopt-warnings:none"))(scalaCode, List((javaCode, "A.java"))) + newCompiler(extraArgs = s"$optCp -Yopt-warnings:none").compileToBytes(scalaCode, List((javaCode, "A.java"))) c = 0 - compileClasses(newCompiler(extraArgs = argsNoWarn + " -Yopt-warnings:no-inline-mixed"))(scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; warns.exists(i.msg contains _)}) + newCompiler(extraArgs = s"$optCp -Yopt-warnings:no-inline-mixed").compileToBytes(scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; warns.exists(i.msg contains _)}) assert(c == 2, c) } @@ -137,7 +117,7 @@ class InlineWarningTest extends ClearAfterClass { |that would cause an IllegalAccessError when inlined into class N""".stripMargin var c = 0 - compile(code, allowMessage = i => { c += 1; i.msg contains warn }) + compileToBytes(code, allowMessage = i => { c += 1; i.msg contains warn }) assert(c == 1, c) } @@ -156,7 +136,7 @@ class InlineWarningTest extends ClearAfterClass { | def t(a: M) = a.f(x => x + 1) |} """.stripMargin - compile(code, allowMessage = _ => false) // no warnings allowed + compileToBytes(code, allowMessage = _ => false) // no warnings allowed val warn = """M::f(Lscala/Function1;)I could not be inlined: @@ -164,7 +144,7 @@ class InlineWarningTest extends ClearAfterClass { |that would cause an IllegalAccessError when inlined into class N""".stripMargin var c = 0 - compile(code, compiler = compilerWarnAll, allowMessage = i => { c += 1; i.msg contains warn }) + compilerWarnAll.compileToBytes(code, allowMessage = i => { c += 1; i.msg contains warn }) assert(c == 1, c) } @@ -185,7 +165,7 @@ class InlineWarningTest extends ClearAfterClass { |does not have the same strictfp mode as the callee C::f()I.""".stripMargin var c = 0 - compile(code, allowMessage = i => { c += 1; i.msg contains warn }) + compileToBytes(code, allowMessage = i => { c += 1; i.msg contains warn }) assert(c == 1, c) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerIllegalAccessTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerIllegalAccessTest.scala index ab1aef47cd..c2ada8afec 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerIllegalAccessTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerIllegalAccessTest.scala @@ -2,27 +2,22 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - -import scala.tools.asm.tree._ -import scala.tools.testing.AssertUtil._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.asm.Opcodes._ +import scala.tools.asm.tree._ +import scala.tools.nsc.backend.jvm.AsmUtils._ +import scala.tools.testing.BytecodeTesting @RunWith(classOf[JUnit4]) -class InlinerIllegalAccessTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:none")) - import compiler.genBCode.bTypes._ +class InlinerIllegalAccessTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + + import compiler._ + import global.genBCode.bTypes._ def addToRepo(cls: List[ClassNode]): Unit = for (c <- cls) byteCodeRepository.add(c, ByteCodeRepository.Classfile) def assertEmpty(ins: Option[AbstractInsnNode]) = for (i <- ins) @@ -44,7 +39,7 @@ class InlinerIllegalAccessTest extends ClearAfterClass { |} """.stripMargin - val allClasses = compileClasses(compiler)(code) + val allClasses = compileClasses(code) val List(cClass, dClass, eClass) = allClasses assert(cClass.name == "a/C" && dClass.name == "a/D" && eClass.name == "b/E", s"${cClass.name}, ${dClass.name}, ${eClass.name}") addToRepo(allClasses) // they are not on the compiler's classpath, so we add them manually to the code repo @@ -120,7 +115,7 @@ class InlinerIllegalAccessTest extends ClearAfterClass { |} """.stripMargin - val allClasses = compileClasses(compiler)(code) + val allClasses = compileClasses(code) val List(cCl, dCl, eCl, fCl, gCl, hCl, iCl) = allClasses addToRepo(allClasses) diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerSeparateCompilationTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerSeparateCompilationTest.scala index 075513a2b7..b196f1a9ba 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerSeparateCompilationTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerSeparateCompilationTest.scala @@ -2,26 +2,15 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ - -import scala.collection.JavaConverters._ - -object InlinerSeparateCompilationTest { - val args = "-Yopt:l:classpath" -} +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) class InlinerSeparateCompilationTest { - import InlinerSeparateCompilationTest._ + val args = "-Yopt:l:classpath" @Test def inlnieMixedinMember(): Unit = { @@ -44,9 +33,9 @@ class InlinerSeparateCompilationTest { val warn = "T::f()I is annotated @inline but cannot be inlined: the method is not final and may be overridden" val List(c, o, oMod, t) = compileClassesSeparately(List(codeA, codeB), args + " -Yopt-warnings", _.msg contains warn) - assertInvoke(getSingleMethod(c, "t1"), "T", "f") - assertNoInvoke(getSingleMethod(c, "t2")) - assertNoInvoke(getSingleMethod(c, "t3")) + assertInvoke(getMethod(c, "t1"), "T", "f") + assertNoInvoke(getMethod(c, "t2")) + assertNoInvoke(getMethod(c, "t3")) } @Test @@ -64,7 +53,7 @@ class InlinerSeparateCompilationTest { """.stripMargin val List(c, t) = compileClassesSeparately(List(codeA, codeB), args) - assertNoInvoke(getSingleMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t1")) } @Test @@ -87,7 +76,7 @@ class InlinerSeparateCompilationTest { """.stripMargin val List(c, t, u) = compileClassesSeparately(List(codeA, codeB), args) - for (m <- List("t1", "t2", "t3")) assertNoInvoke(getSingleMethod(c, m)) + for (m <- List("t1", "t2", "t3")) assertNoInvoke(getMethod(c, m)) } @Test @@ -108,7 +97,7 @@ class InlinerSeparateCompilationTest { """.stripMargin val List(a, t) = compileClassesSeparately(List(codeA, assembly), args) - assertNoInvoke(getSingleMethod(t, "f")) - assertNoInvoke(getSingleMethod(a, "n")) + assertNoInvoke(getMethod(t, "f")) + assertNoInvoke(getMethod(a, "n")) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerTest.scala index b7641b5ec7..4e014d4529 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/InlinerTest.scala @@ -2,48 +2,44 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.{Ignore, Test} import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test + +import scala.collection.JavaConverters._ import scala.collection.generic.Clearable import scala.tools.asm.Opcodes._ -import org.junit.Assert._ - import scala.tools.asm.tree._ +import scala.tools.nsc.backend.jvm.BackendReporting._ import scala.tools.nsc.reporters.StoreReporter - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import AsmUtils._ - -import BackendReporting._ - -import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class InlinerTest extends ClearAfterClass { - val args = "-Yopt:l:classpath -Yopt-warnings" - val compiler = cached("compiler", () => newCompiler(extraArgs = args)) +class InlinerTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:classpath -Yopt-warnings" + val inlineOnlyCompiler = cached("inlineOnlyCompiler", () => newCompiler(extraArgs = "-Yopt:inline-project")) - import compiler.genBCode.bTypes + + import compiler._ + import global.genBCode.bTypes // allows inspecting the caches after a compilation run def notPerRun: List[Clearable] = List( bTypes.classBTypeFromInternalName, bTypes.byteCodeRepository.compilingClasses, bTypes.byteCodeRepository.parsedClasses, bTypes.callGraph.callsites) - notPerRun foreach compiler.perRunCaches.unrecordCache + notPerRun foreach global.perRunCaches.unrecordCache - import compiler.genBCode.bTypes._ - import compiler.genBCode.bTypes.backendUtils._ + import global.genBCode.bTypes.{byteCodeRepository, callGraph, inliner, inlinerHeuristics} import inlinerHeuristics._ def compile(scalaCode: String, javaCode: List[(String, String)] = Nil, allowMessage: StoreReporter#Info => Boolean = _ => false): List[ClassNode] = { notPerRun.foreach(_.clear()) - compileClasses(compiler)(scalaCode, javaCode, allowMessage) + compileToBytes(scalaCode, javaCode, allowMessage) // Use the class nodes stored in the byteCodeRepository. The ones returned by compileClasses are not the same, // these are created new from the classfile byte array. They are completely separate instances which cannot // be used to look up methods / callsites in the callGraph hash maps for example. @@ -64,7 +60,7 @@ class InlinerTest extends ClearAfterClass { def gMethAndFCallsite(code: String, mod: ClassNode => Unit = _ => ()) = { val List(c) = compile(code) mod(c) - val gMethod = findAsmMethod(c, "g") + val gMethod = getAsmMethod(c, "g") val fCall = getCallsite(gMethod, "f") (gMethod, fCall) } @@ -138,7 +134,7 @@ class InlinerTest extends ClearAfterClass { assertSameCode(convertMethod(g), gBeforeLocalOpt) - compiler.genBCode.bTypes.localOpt.methodOptimizations(g, "C") + global.genBCode.bTypes.localOpt.methodOptimizations(g, "C") assertSameCode(convertMethod(g), invokeQQQ :+ Op(ATHROW)) } @@ -152,7 +148,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val can = canInlineTest(code, cls => { - val f = cls.methods.asScala.find(_.name == "f").get + val f = getAsmMethod(cls, "f") f.access |= ACC_SYNCHRONIZED }) assert(can.nonEmpty && can.get.isInstanceOf[SynchronizedMethod], can) @@ -201,7 +197,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, d) = compile(code) - val hMeth = findAsmMethod(d, "h") + val hMeth = getAsmMethod(d, "h") val gCall = getCallsite(hMeth, "g") val r = inliner.canInlineBody(gCall) assert(r.nonEmpty && r.get.isInstanceOf[IllegalAccessInstruction], r) @@ -218,7 +214,7 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(cCls) = compile(code) - val instructions = getSingleMethod(cCls, "test").instructions + val instructions = getInstructions(cCls, "test") assert(instructions.contains(Op(ICONST_0)), instructions.stringLines) assert(!instructions.contains(Op(ICONST_1)), instructions) } @@ -284,7 +280,7 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, _, _) = compile(code) - val ins = getSingleMethod(c, "f").instructions + val ins = getInstructions(c, "f") val invokeSysArraycopy = Invoke(INVOKESTATIC, "java/lang/System", "arraycopy", "(Ljava/lang/Object;ILjava/lang/Object;II)V", false) assert(ins contains invokeSysArraycopy, ins.stringLines) } @@ -316,7 +312,7 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, t) = compile(code) - assertNoInvoke(getSingleMethod(c, "g")) + assertNoInvoke(getMethod(c, "g")) } @Test @@ -329,7 +325,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) // no more invoke, f is inlined - assertNoInvoke(getSingleMethod(c, "g")) + assertNoInvoke(getMethod(c, "g")) } @Test @@ -341,7 +337,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - val fMeth = findAsmMethod(c, "f") + val fMeth = getAsmMethod(c, "f") val call = getCallsite(fMeth, "lowestOneBit") val warning = inliner.canInlineBody(call) @@ -380,7 +376,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin // use a compiler without local optimizations (cleanups) - val List(c) = compileClasses(inlineOnlyCompiler)(code) + val c = inlineOnlyCompiler.compileClass(code) val ms @ List(f1, f2, g1, g2) = c.methods.asScala.filter(_.name.length == 2).toList // stack height at callsite of f1 is 1, so max of g1 after inlining is max of f1 + 1 @@ -425,7 +421,7 @@ class InlinerTest extends ClearAfterClass { var c = 0 val List(b) = compile(scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; i.msg contains warn}) assert(c == 1, c) - val ins = getSingleMethod(b, "g").instructions + val ins = getInstructions(b, "g") val invokeFlop = Invoke(INVOKEVIRTUAL, "B", "flop", "()I", false) assert(ins contains invokeFlop, ins.stringLines) } @@ -445,8 +441,8 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, t) = compile(code) // both are just `return 1`, no more calls - assertNoInvoke(getSingleMethod(c, "t1")) - assertNoInvoke(getSingleMethod(c, "t2")) + assertNoInvoke(getMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t2")) } @Test @@ -464,8 +460,8 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, t, u) = compile(code) - assertNoInvoke(getSingleMethod(c, "t1")) - assertNoInvoke(getSingleMethod(c, "t2")) + assertNoInvoke(getMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t2")) } @Test @@ -485,8 +481,8 @@ class InlinerTest extends ClearAfterClass { var count = 0 val List(c, t) = compile(code, allowMessage = i => {count += 1; warns.exists(i.msg contains _)}) assert(count == 2, count) - assertInvoke(getSingleMethod(c, "t1"), "T", "f") - assertInvoke(getSingleMethod(c, "t2"), "C", "f") + assertInvoke(getMethod(c, "t1"), "T", "f") + assertInvoke(getMethod(c, "t2"), "C", "f") } @Test @@ -500,7 +496,7 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, t) = compile(code) - assertNoInvoke(getSingleMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t1")) } @Test @@ -524,11 +520,11 @@ class InlinerTest extends ClearAfterClass { val List(c, oMirror, oModule, t) = compile(code, allowMessage = i => {count += 1; i.msg contains warn}) assert(count == 1, count) - assertNoInvoke(getSingleMethod(t, "f")) + assertNoInvoke(getMethod(t, "f")) - assertNoInvoke(getSingleMethod(c, "t1")) - assertNoInvoke(getSingleMethod(c, "t2")) - assertInvoke(getSingleMethod(c, "t3"), "T", "f") + assertNoInvoke(getMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t2")) + assertInvoke(getMethod(c, "t3"), "T", "f") } @Test @@ -550,12 +546,12 @@ class InlinerTest extends ClearAfterClass { val List(assembly, c, t) = compile(code) - assertNoInvoke(getSingleMethod(t, "f")) + assertNoInvoke(getMethod(t, "f")) - assertNoInvoke(getSingleMethod(assembly, "n")) + assertNoInvoke(getMethod(assembly, "n")) - assertNoInvoke(getSingleMethod(c, "t1")) - assertNoInvoke(getSingleMethod(c, "t2")) + assertNoInvoke(getMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t2")) } @Test @@ -628,20 +624,20 @@ class InlinerTest extends ClearAfterClass { val List(ca, cb, t1, t2a, t2b) = compile(code, allowMessage = i => {count += 1; i.msg contains warning}) assert(count == 4, count) // see comments, f is not inlined 4 times - assertNoInvoke(getSingleMethod(t2a, "g2a")) - assertInvoke(getSingleMethod(t2b, "g2b"), "T1", "f") + assertNoInvoke(getMethod(t2a, "g2a")) + assertInvoke(getMethod(t2b, "g2b"), "T1", "f") - assertInvoke(getSingleMethod(ca, "m1a"), "T1", "f") - assertNoInvoke(getSingleMethod(ca, "m2a")) // no invoke, see comment on def g2a - assertNoInvoke(getSingleMethod(ca, "m3a")) - assertInvoke(getSingleMethod(ca, "m4a"), "T1", "f") - assertNoInvoke(getSingleMethod(ca, "m5a")) + assertInvoke(getMethod(ca, "m1a"), "T1", "f") + assertNoInvoke(getMethod(ca, "m2a")) // no invoke, see comment on def g2a + assertNoInvoke(getMethod(ca, "m3a")) + assertInvoke(getMethod(ca, "m4a"), "T1", "f") + assertNoInvoke(getMethod(ca, "m5a")) - assertInvoke(getSingleMethod(cb, "m1b"), "T1", "f") - assertInvoke(getSingleMethod(cb, "m2b"), "T1", "f") // invoke, see comment on def g2b - assertNoInvoke(getSingleMethod(cb, "m3b")) - assertInvoke(getSingleMethod(cb, "m4b"), "T1", "f") - assertNoInvoke(getSingleMethod(cb, "m5b")) + assertInvoke(getMethod(cb, "m1b"), "T1", "f") + assertInvoke(getMethod(cb, "m2b"), "T1", "f") // invoke, see comment on def g2b + assertNoInvoke(getMethod(cb, "m3b")) + assertInvoke(getMethod(cb, "m4b"), "T1", "f") + assertNoInvoke(getMethod(cb, "m5b")) } @Test @@ -658,7 +654,7 @@ class InlinerTest extends ClearAfterClass { |} // so d.f can be resolved statically. same for E.f """.stripMargin val List(c, d, e, eModule, t) = compile(code) - assertNoInvoke(getSingleMethod(t, "t1")) + assertNoInvoke(getMethod(t, "t1")) } @Test @@ -673,8 +669,8 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, d, t) = compile(code) - assertNoInvoke(getSingleMethod(d, "m")) - assertNoInvoke(getSingleMethod(c, "m")) + assertNoInvoke(getMethod(d, "m")) + assertNoInvoke(getMethod(c, "m")) } @Test @@ -688,8 +684,8 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c, t) = compile(code) - val t1 = getSingleMethod(t, "t1") - val t2 = getSingleMethod(t, "t2") + val t1 = getMethod(t, "t1") + val t2 = getMethod(t, "t2") val cast = TypeOp(CHECKCAST, "C") Set(t1, t2).foreach(m => assert(m.instructions.contains(cast), m.instructions)) } @@ -769,27 +765,27 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, t, u) = compile(code, allowMessage = _.msg contains "i()I is annotated @inline but cannot be inlined") - val m1 = getSingleMethod(c, "m1") + val m1 = getMethod(c, "m1") assertInvoke(m1, "T", "a") assertInvoke(m1, "T", "b") assertInvoke(m1, "T", "c") - assertNoInvoke(getSingleMethod(c, "m2")) + assertNoInvoke(getMethod(c, "m2")) - val m3 = getSingleMethod(c, "m3") + val m3 = getMethod(c, "m3") assertInvoke(m3, "T", "f") assertInvoke(m3, "T", "g") assertInvoke(m3, "T", "h") assertInvoke(m3, "T", "i") - val m4 = getSingleMethod(c, "m4") + val m4 = getMethod(c, "m4") assertInvoke(m4, "U", "a") assertInvoke(m4, "U", "b") assertInvoke(m4, "U", "c") - assertNoInvoke(getSingleMethod(c, "m5")) + assertNoInvoke(getMethod(c, "m5")) - val m6 = getSingleMethod(c, "m6") + val m6 = getMethod(c, "m6") assertInvoke(m6, "U", "f") assertInvoke(m6, "U", "g") assertInvoke(m6, "U", "h") @@ -829,7 +825,7 @@ class InlinerTest extends ClearAfterClass { var c = 0 - compileClasses(newCompiler(extraArgs = args + " -Yopt-warnings:_"))( + newCompiler(extraArgs = compilerArgs + " -Yopt-warnings:_").compileClasses( scalaCode, List((javaCode, "A.java")), allowMessage = i => {c += 1; i.msg contains warn}) @@ -873,15 +869,15 @@ class InlinerTest extends ClearAfterClass { val List(a, b, t) = compile(code, allowMessage = i => {c += 1; i.msg contains warn}) assert(c == 1, c) - assertInvoke(getSingleMethod(b, "t1"), "Aa", "f1") - assertInvoke(getSingleMethod(b, "t2"), "B", "B$$f2m") - assertInvoke(getSingleMethod(b, "t3"), "B", "<init>") - assertInvoke(getSingleMethod(b, "t4"), "B", "<init>") + assertInvoke(getMethod(b, "t1"), "Aa", "f1") + assertInvoke(getMethod(b, "t2"), "B", "B$$f2m") + assertInvoke(getMethod(b, "t3"), "B", "<init>") + assertInvoke(getMethod(b, "t4"), "B", "<init>") - assertInvoke(getSingleMethod(t, "t1"), "B", "f1") - assertInvoke(getSingleMethod(t, "t2"), "B", "B$$f2m") - assertInvoke(getSingleMethod(t, "t3"), "B", "<init>") - assertInvoke(getSingleMethod(t, "t4"), "B", "<init>") + assertInvoke(getMethod(t, "t1"), "B", "f1") + assertInvoke(getMethod(t, "t2"), "B", "B$$f2m") + assertInvoke(getMethod(t, "t3"), "B", "<init>") + assertInvoke(getMethod(t, "t4"), "B", "<init>") } @Test @@ -891,8 +887,8 @@ class InlinerTest extends ClearAfterClass { | def t = System.arraycopy(null, 0, null, 0, 0) |} """.stripMargin - val List(c) = compileClasses(newCompiler(extraArgs = args + " -Yopt-inline-heuristics:everything"))(code) - assertInvoke(getSingleMethod(c, "t"), "java/lang/System", "arraycopy") + val c = newCompiler(extraArgs = compilerArgs + " -Yopt-inline-heuristics:everything").compileClass(code) + assertInvoke(getMethod(c, "t"), "java/lang/System", "arraycopy") } @Test @@ -906,7 +902,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - assertInvoke(getSingleMethod(c, "t"), "java/lang/Error", "<init>") + assertInvoke(getMethod(c, "t"), "java/lang/Error", "<init>") } @Test @@ -919,7 +915,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - val t = getSingleMethod(c, "t").instructions + val t = getInstructions(c, "t") assertNoInvoke(t) assert(1 == t.collect({case Ldc(_, "hai!") => }).size) // push-pop eliminates the first LDC("hai!") assert(1 == t.collect({case Jump(IFNONNULL, _) => }).size) // one single null check @@ -946,12 +942,12 @@ class InlinerTest extends ClearAfterClass { val List(c, _, _) = compile(code) - val t1 = getSingleMethod(c, "t1") + val t1 = getMethod(c, "t1") assertNoIndy(t1) // the indy call is inlined into t, and the closure elimination rewrites the closure invocation to the body method assertInvoke(t1, "C", "C$$$anonfun$2") - val t2 = getSingleMethod(c, "t2") + val t2 = getMethod(c, "t2") assertNoIndy(t2) assertInvoke(t2, "M$", "M$$$anonfun$1") } @@ -968,9 +964,9 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - val hMeth = findAsmMethod(c, "h") - val gMeth = findAsmMethod(c, "g") - val iMeth = findAsmMethod(c, "i") + val hMeth = getAsmMethod(c, "h") + val gMeth = getAsmMethod(c, "g") + val iMeth = getAsmMethod(c, "i") val fCall = getCallsite(gMeth, "f") val gCall = getCallsite(hMeth, "g") val hCall = getCallsite(iMeth, "h") @@ -997,7 +993,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(cl) = compile(code) - val List(b, c, d) = List("b", "c", "d").map(findAsmMethod(cl, _)) + val List(b, c, d) = List("b", "c", "d").map(getAsmMethod(cl, _)) val aCall = getCallsite(b, "a") val bCall = getCallsite(c, "b") val cCall = getCallsite(d, "c") @@ -1037,15 +1033,15 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - assertInvoke(getSingleMethod(c, "t1"), "C", "C$$$anonfun$1") - assertInvoke(getSingleMethod(c, "t2"), "C", "a") - assertInvoke(getSingleMethod(c, "t3"), "C", "b") - assertNoInvoke(getSingleMethod(c, "t4")) - assertNoInvoke(getSingleMethod(c, "t5")) - assertNoInvoke(getSingleMethod(c, "t6")) - assertInvoke(getSingleMethod(c, "t7"), "C", "c") - assertInvoke(getSingleMethod(c, "t8"), "scala/Predef$", "println") - assertNoInvoke(getSingleMethod(c, "t9")) + assertInvoke(getMethod(c, "t1"), "C", "C$$$anonfun$1") + assertInvoke(getMethod(c, "t2"), "C", "a") + assertInvoke(getMethod(c, "t3"), "C", "b") + assertNoInvoke(getMethod(c, "t4")) + assertNoInvoke(getMethod(c, "t5")) + assertNoInvoke(getMethod(c, "t6")) + assertInvoke(getMethod(c, "t7"), "C", "c") + assertInvoke(getMethod(c, "t8"), "scala/Predef$", "println") + assertNoInvoke(getMethod(c, "t9")) } @Test @@ -1070,15 +1066,15 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - assertNoInvoke(getSingleMethod(c, "t1")) - assertInvoke(getSingleMethod(c, "t2"), "C", "f2") - assertInvoke(getSingleMethod(c, "t3"), "C", "f1") - assertInvoke(getSingleMethod(c, "t4"), "C", "f2") - assertNoInvoke(getSingleMethod(c, "t5")) - assertInvoke(getSingleMethod(c, "t6"), "C", "f3") - assertNoInvoke(getSingleMethod(c, "t7")) - assertInvoke(getSingleMethod(c, "t8"), "C", "f1") - assertNoInvoke(getSingleMethod(c, "t9")) + assertNoInvoke(getMethod(c, "t1")) + assertInvoke(getMethod(c, "t2"), "C", "f2") + assertInvoke(getMethod(c, "t3"), "C", "f1") + assertInvoke(getMethod(c, "t4"), "C", "f2") + assertNoInvoke(getMethod(c, "t5")) + assertInvoke(getMethod(c, "t6"), "C", "f3") + assertNoInvoke(getMethod(c, "t7")) + assertInvoke(getMethod(c, "t8"), "C", "f1") + assertNoInvoke(getMethod(c, "t9")) } @Test @@ -1101,11 +1097,11 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c) = compile(code) - assertInvoke(getSingleMethod(c, "t1"), "C", "C$$$anonfun$1") - assertInvoke(getSingleMethod(c, "t2"), "C", "C$$$anonfun$2") - assertInvoke(getSingleMethod(c, "t3"), "scala/Function1", "apply$mcII$sp") - assertInvoke(getSingleMethod(c, "t4"), "scala/Function1", "apply$mcII$sp") - assertInvoke(getSingleMethod(c, "t5"), "C", "h") + assertInvoke(getMethod(c, "t1"), "C", "C$$$anonfun$1") + assertInvoke(getMethod(c, "t2"), "C", "C$$$anonfun$2") + assertInvoke(getMethod(c, "t3"), "scala/Function1", "apply$mcII$sp") + assertInvoke(getMethod(c, "t4"), "scala/Function1", "apply$mcII$sp") + assertInvoke(getMethod(c, "t5"), "C", "h") } @Test @@ -1125,7 +1121,7 @@ class InlinerTest extends ClearAfterClass { |when entering an exception handler declared in the inlined method.""".stripMargin val List(c) = compile(code, allowMessage = _.msg contains warn) - assertInvoke(getSingleMethod(c, "t"), "C", "g") + assertInvoke(getMethod(c, "t"), "C", "g") } @Test @@ -1149,8 +1145,8 @@ class InlinerTest extends ClearAfterClass { |that would cause an IllegalAccessError when inlined into class D.""".stripMargin val List(c, d) = compile(code, allowMessage = _.msg contains warn) - assertInvoke(getSingleMethod(c, "h"), "C", "f$1") - assertInvoke(getSingleMethod(d, "t"), "C", "h") + assertInvoke(getMethod(c, "h"), "C", "f$1") + assertInvoke(getMethod(d, "t"), "C", "h") } @Test @@ -1168,8 +1164,8 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, d) = compile(code) - assertNoInvoke(getSingleMethod(c, "g")) - assertNoInvoke(getSingleMethod(d, "t")) + assertNoInvoke(getMethod(c, "g")) + assertNoInvoke(getMethod(d, "t")) } @Test @@ -1277,40 +1273,40 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, _, _) = compile(code) - assertSameSummary(getSingleMethod(c, "t1"), List(BIPUSH, "C$$$anonfun$1", IRETURN)) - assertSameSummary(getSingleMethod(c, "t1a"), List(LCONST_1, "C$$$anonfun$2", IRETURN)) - assertSameSummary(getSingleMethod(c, "t2"), List(ICONST_1, ICONST_2, "C$$$anonfun$3",IRETURN)) + assertSameSummary(getMethod(c, "t1"), List(BIPUSH, "C$$$anonfun$1", IRETURN)) + assertSameSummary(getMethod(c, "t1a"), List(LCONST_1, "C$$$anonfun$2", IRETURN)) + assertSameSummary(getMethod(c, "t2"), List(ICONST_1, ICONST_2, "C$$$anonfun$3",IRETURN)) // val a = new ValKl(n); new ValKl(anonfun(a.x)).x // value class instantiation-extraction should be optimized by boxing elim - assertSameSummary(getSingleMethod(c, "t3"), List( + assertSameSummary(getMethod(c, "t3"), List( NEW, DUP, ICONST_1, "<init>", ASTORE, NEW, DUP, ALOAD, "x", "C$$$anonfun$4", "<init>", "x", IRETURN)) - assertSameSummary(getSingleMethod(c, "t4"), List(BIPUSH, "C$$$anonfun$5", "boxToInteger", ARETURN)) - assertSameSummary(getSingleMethod(c, "t4a"), List(ICONST_1, LDC, "C$$$anonfun$6", LRETURN)) - assertSameSummary(getSingleMethod(c, "t5"), List(BIPUSH, ICONST_3, "C$$$anonfun$7", "boxToInteger", ARETURN)) - assertSameSummary(getSingleMethod(c, "t5a"), List(BIPUSH, BIPUSH, I2B, "C$$$anonfun$8", IRETURN)) - assertSameSummary(getSingleMethod(c, "t6"), List(BIPUSH, "C$$$anonfun$9", RETURN)) - assertSameSummary(getSingleMethod(c, "t7"), List(ICONST_1, "C$$$anonfun$10", RETURN)) - assertSameSummary(getSingleMethod(c, "t8"), List(ICONST_1, LDC, "C$$$anonfun$11", LRETURN)) - assertSameSummary(getSingleMethod(c, "t9"), List(ICONST_1, "boxToInteger", "C$$$anonfun$12", RETURN)) + assertSameSummary(getMethod(c, "t4"), List(BIPUSH, "C$$$anonfun$5", "boxToInteger", ARETURN)) + assertSameSummary(getMethod(c, "t4a"), List(ICONST_1, LDC, "C$$$anonfun$6", LRETURN)) + assertSameSummary(getMethod(c, "t5"), List(BIPUSH, ICONST_3, "C$$$anonfun$7", "boxToInteger", ARETURN)) + assertSameSummary(getMethod(c, "t5a"), List(BIPUSH, BIPUSH, I2B, "C$$$anonfun$8", IRETURN)) + assertSameSummary(getMethod(c, "t6"), List(BIPUSH, "C$$$anonfun$9", RETURN)) + assertSameSummary(getMethod(c, "t7"), List(ICONST_1, "C$$$anonfun$10", RETURN)) + assertSameSummary(getMethod(c, "t8"), List(ICONST_1, LDC, "C$$$anonfun$11", LRETURN)) + assertSameSummary(getMethod(c, "t9"), List(ICONST_1, "boxToInteger", "C$$$anonfun$12", RETURN)) // t9a inlines Range.foreach, which is quite a bit of code, so just testing the core - assertInvoke(getSingleMethod(c, "t9a"), "C", "C$$$anonfun$13") - assertInvoke(getSingleMethod(c, "t9a"), "scala/runtime/BoxesRunTime", "boxToInteger") + assertInvoke(getMethod(c, "t9a"), "C", "C$$$anonfun$13") + assertInvoke(getMethod(c, "t9a"), "scala/runtime/BoxesRunTime", "boxToInteger") - assertSameSummary(getSingleMethod(c, "t10"), List( + assertSameSummary(getMethod(c, "t10"), List( ICONST_1, ISTORE, ALOAD, ILOAD, "C$$$anonfun$14", RETURN)) // t10a inlines Range.foreach - assertInvoke(getSingleMethod(c, "t10a"), "C", "C$$$anonfun$15") - assertDoesNotInvoke(getSingleMethod(c, "t10a"), "boxToInteger") + assertInvoke(getMethod(c, "t10a"), "C", "C$$$anonfun$15") + assertDoesNotInvoke(getMethod(c, "t10a"), "boxToInteger") } @Test @@ -1333,8 +1329,8 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c) = compile(code) - assertSameCode(getSingleMethod(c, "t1"), List(Op(ICONST_0), Op(ICONST_1), Op(IADD), Op(IRETURN))) - assertEquals(getSingleMethod(c, "t2").instructions collect { case i: Invoke => i.owner +"."+ i.name }, List( + assertSameCode(getMethod(c, "t1"), List(Op(ICONST_0), Op(ICONST_1), Op(IADD), Op(IRETURN))) + assertEquals(getInstructions(c, "t2") collect { case i: Invoke => i.owner +"."+ i.name }, List( "scala/runtime/IntRef.create", "C.C$$$anonfun$1")) } @@ -1374,11 +1370,11 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c) = compile(code) - assertSameCode(getSingleMethod(c, "t1"), List(Op(ICONST_3), Op(ICONST_4), Op(IADD), Op(IRETURN))) - assertSameCode(getSingleMethod(c, "t2"), List(Op(ICONST_1), Op(ICONST_2), Op(IADD), Op(IRETURN))) - assertSameCode(getSingleMethod(c, "t3"), List(Op(ICONST_1), Op(ICONST_3), Op(ISUB), Op(IRETURN))) - assertNoInvoke(getSingleMethod(c, "t4")) - assertNoInvoke(getSingleMethod(c, "t5")) + assertSameCode(getMethod(c, "t1"), List(Op(ICONST_3), Op(ICONST_4), Op(IADD), Op(IRETURN))) + assertSameCode(getMethod(c, "t2"), List(Op(ICONST_1), Op(ICONST_2), Op(IADD), Op(IRETURN))) + assertSameCode(getMethod(c, "t3"), List(Op(ICONST_1), Op(ICONST_3), Op(ISUB), Op(IRETURN))) + assertNoInvoke(getMethod(c, "t4")) + assertNoInvoke(getMethod(c, "t5")) } @Test @@ -1404,10 +1400,10 @@ class InlinerTest extends ClearAfterClass { |class D extends C """.stripMargin val List(c, _) = compile(code) - def casts(m: String) = getSingleMethod(c, m).instructions collect { case TypeOp(CHECKCAST, tp) => tp } - assertSameCode(getSingleMethod(c, "t1"), List(VarOp(ALOAD, 1), Op(ARETURN))) - assertSameCode(getSingleMethod(c, "t2"), List(VarOp(ALOAD, 1), Op(ARETURN))) - assertSameCode(getSingleMethod(c, "t3"), List(VarOp(ALOAD, 1), TypeOp(CHECKCAST, "C"), Op(ARETURN))) + def casts(m: String) = getInstructions(c, m) collect { case TypeOp(CHECKCAST, tp) => tp } + assertSameCode(getMethod(c, "t1"), List(VarOp(ALOAD, 1), Op(ARETURN))) + assertSameCode(getMethod(c, "t2"), List(VarOp(ALOAD, 1), Op(ARETURN))) + assertSameCode(getMethod(c, "t3"), List(VarOp(ALOAD, 1), TypeOp(CHECKCAST, "C"), Op(ARETURN))) assertEquals(casts("t4"), List("C")) assertEquals(casts("t5"), Nil) assertEquals(casts("t6"), Nil) @@ -1432,8 +1428,8 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val cls = compile(code) - val test = cls.find(_.name == "Test$").get - assertSameSummary(getSingleMethod(test, "f"), List( + val test = findClass(cls, "Test$") + assertSameSummary(getMethod(test, "f"), List( GETSTATIC, "mkFoo", BIPUSH, ISTORE, IFNONNULL, ACONST_NULL, ATHROW, -1 /*label*/, @@ -1452,7 +1448,7 @@ class InlinerTest extends ClearAfterClass { val List(c) = compile(code) // box-unbox will clean it up - assertSameSummary(getSingleMethod(c, "t"), List( + assertSameSummary(getMethod(c, "t"), List( ALOAD, "C$$$anonfun$1", IFEQ /*A*/, "C$$$anonfun$2", IRETURN, -1 /*A*/, "C$$$anonfun$3", IRETURN)) @@ -1464,7 +1460,7 @@ class InlinerTest extends ClearAfterClass { val codeB = "class B { def t(a: A) = a.f }" // tests that no warning is emitted val List(a, b) = compileClassesSeparately(List(codeA, codeB), extraArgs = "-Yopt:l:project -Yopt-warnings") - assertInvoke(getSingleMethod(b, "t"), "A", "f") + assertInvoke(getMethod(b, "t"), "A", "f") } @Test @@ -1476,7 +1472,7 @@ class InlinerTest extends ClearAfterClass { """.stripMargin val List(c, t1, t2) = compile(code, allowMessage = _ => true) // the forwarder C.f is inlined, so there's no invocation - assertSameSummary(getSingleMethod(c, "f"), List(ICONST_1, IRETURN)) + assertSameSummary(getMethod(c, "f"), List(ICONST_1, IRETURN)) } @Test @@ -1489,10 +1485,12 @@ class InlinerTest extends ClearAfterClass { |class C { def t = (new K).f } """.stripMargin val c :: _ = compile(code) - assertSameSummary(getSingleMethod(c, "t"), List(NEW, "<init>", ICONST_1, IRETURN)) // ICONST_1, U.f is inlined (not T.f) + assertSameSummary(getMethod(c, "t"), List(NEW, "<init>", ICONST_1, IRETURN)) // ICONST_1, U.f is inlined (not T.f) } - @Test + // Can be enabled when using 2.12.0-M5 as starr. This test works under a full boostrap, but not + // when compiled with M4. + @Test @Ignore def inlineArrayForeach(): Unit = { val code = """class C { @@ -1501,7 +1499,7 @@ class InlinerTest extends ClearAfterClass { |} """.stripMargin val List(c) = compile(code) - val t = getSingleMethod(c, "t") + val t = getMethod(c, "t") assertNoIndy(t) assertInvoke(t, "C", "C$$$anonfun$1") } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/MethodLevelOptsTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/MethodLevelOptsTest.scala index 003b2d4880..fa76c0d930 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/MethodLevelOptsTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/MethodLevelOptsTest.scala @@ -2,42 +2,40 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ +import scala.collection.JavaConverters._ +import scala.tools.asm.Opcodes._ import scala.tools.asm.tree.ClassNode import scala.tools.nsc.backend.jvm.AsmUtils._ -import scala.tools.testing.AssertUtil._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import scala.tools.testing.ClearAfterClass -import scala.collection.JavaConverters._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class MethodLevelOptsTest extends ClearAfterClass { - val methodOptCompiler = cached("methodOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:method")) +class MethodLevelOptsTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:method" + import compiler._ def wrapInDefault(code: Instruction*) = List(Label(0), LineNumber(1, Label(0))) ::: code.toList ::: List(Label(1)) - def locals(c: ClassNode, m: String) = findAsmMethod(c, m).localVariables.asScala.toList.map(l => (l.name, l.index)).sortBy(_._2) + def locals(c: ClassNode, m: String) = getAsmMethod(c, m).localVariables.asScala.toList.map(l => (l.name, l.index)).sortBy(_._2) @Test def eliminateEmptyTry(): Unit = { val code = "def f = { try {} catch { case _: Throwable => 0; () }; 1 }" val warn = "a pure expression does nothing in statement position" - assertSameCode(singleMethodInstructions(methodOptCompiler)(code, allowMessage = _.msg contains warn), wrapInDefault(Op(ICONST_1), Op(IRETURN))) + assertSameCode(compileInstructions(code, allowMessage = _.msg contains warn), wrapInDefault(Op(ICONST_1), Op(IRETURN))) } @Test def eliminateLoadBoxedUnit(): Unit = { // the compiler inserts a boxed into the try block. it's therefore non-empty (and live) and not eliminated. val code = "def f = { try {} catch { case _: Throwable => 0 }; 1 }" - val m = singleMethod(methodOptCompiler)(code) + val m = compileMethod(code) assertTrue(m.handlers.length == 0) assertSameCode(m, List(Op(ICONST_1), Op(IRETURN))) } @@ -46,7 +44,7 @@ class MethodLevelOptsTest extends ClearAfterClass { def inlineThrowInCatchNotTry(): Unit = { // the try block does not contain the `ATHROW` instruction, but in the catch block, `ATHROW` is inlined val code = "def f(e: Exception) = throw { try e catch { case _: Throwable => e } }" - val m = singleMethod(methodOptCompiler)(code) + val m = compileMethod(code) assertHandlerLabelPostions(m.handlers.head, m.instructions, 0, 3, 5) assertSameCode(m.instructions, wrapInDefault(VarOp(ALOAD, 1), Label(3), Op(ATHROW), Label(5), FrameEntry(4, List(), List("java/lang/Throwable")), Op(POP), VarOp(ALOAD, 1), Op(ATHROW)) @@ -57,7 +55,7 @@ class MethodLevelOptsTest extends ClearAfterClass { def inlineReturnInCatchNotTry(): Unit = { val code = "def f: Int = return { try 1 catch { case _: Throwable => 2 } }" // cannot inline the IRETURN into the try block (because RETURN may throw IllegalMonitorState) - val m = singleMethod(methodOptCompiler)(code) + val m = compileMethod(code) assertHandlerLabelPostions(m.handlers.head, m.instructions, 0, 3, 5) assertSameCode(m.instructions, wrapInDefault(Op(ICONST_1), Label(3), Op(IRETURN), Label(5), FrameEntry(4, List(), List("java/lang/Throwable")), Op(POP), Op(ICONST_2), Op(IRETURN))) @@ -79,7 +77,7 @@ class MethodLevelOptsTest extends ClearAfterClass { | println(x) | } """.stripMargin - val m = singleMethod(methodOptCompiler)(code) + val m = compileMethod(code) assertTrue(m.handlers.isEmpty) assertSameCode(m, List(Op(ICONST_3), Op(IRETURN))) } @@ -99,8 +97,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameCode(getSingleMethod(c, "t"), List( + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List( Op(ACONST_NULL), Invoke(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false), Op(ARETURN))) } @@ -116,9 +114,9 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) + val c = compileClass(code) assertSameCode( - getSingleMethod(c, "t"), List(Ldc(LDC, "c"), Op(ARETURN))) + getMethod(c, "t"), List(Ldc(LDC, "c"), Op(ARETURN))) } @Test @@ -136,9 +134,9 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) + val c = compileClass(code) - assertSameCode(getSingleMethod(c, "t"), List( + assertSameCode(getMethod(c, "t"), List( Ldc(LDC, "el"), VarOp(ASTORE, 1), Field(GETSTATIC, "scala/Predef$", "MODULE$", "Lscala/Predef$;"), VarOp(ALOAD, 1), Invoke(INVOKEVIRTUAL, "scala/Predef$", "println", "(Ljava/lang/Object;)V", false), Op(ACONST_NULL), VarOp(ASTORE, 1), @@ -160,8 +158,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameCode(getSingleMethod(c, "t"), List( + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List( IntOp(BIPUSH, 23), IntOp(NEWARRAY, 5), Op(POP), VarOp(ILOAD, 1), VarOp(ILOAD, 2), Op(IADD), Op(IRETURN))) } @@ -175,8 +173,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameCode(getSingleMethod(c, "t"), List( + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List( TypeOp(NEW, "java/lang/Integer"), Ldc(LDC, "nono"), Invoke(INVOKESPECIAL, "java/lang/Integer", "<init>", "(Ljava/lang/String;)V", false), VarOp(ILOAD, 1), VarOp(ILOAD, 2), Op(IADD), Op(IRETURN))) } @@ -201,8 +199,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameCode(getSingleMethod(c, "t"), List(Op(ICONST_0), Op(IRETURN))) + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List(Op(ICONST_0), Op(IRETURN))) } @Test @@ -217,8 +215,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameCode(getSingleMethod(c, "t"), List( + val c = compileClass(code) + assertSameCode(getMethod(c, "t"), List( IntOp(BIPUSH, 30), VarOp(ISTORE, 3), // no constant propagation, so we keep the store (and load below) of a const VarOp(ILOAD, 1), VarOp(ILOAD, 2), @@ -238,8 +236,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - val t = getSingleMethod(c, "t") + val c = compileClass(code) + val t = getMethod(c, "t") assert(!t.instructions.exists(_.opcode == INVOKEDYNAMIC), t) } @@ -319,23 +317,23 @@ class MethodLevelOptsTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - - assertNoInvoke(getSingleMethod(c, "t1")) - assertNoInvoke(getSingleMethod(c, "t2")) - assertInvoke(getSingleMethod(c, "t3"), "scala/runtime/BoxesRunTime", "unboxToInt") - assertInvoke(getSingleMethod(c, "t4"), "scala/runtime/BoxesRunTime", "boxToLong") - assertNoInvoke(getSingleMethod(c, "t5")) - assertNoInvoke(getSingleMethod(c, "t6")) - assertNoInvoke(getSingleMethod(c, "t7")) - assertSameSummary(getSingleMethod(c, "t8"), List(ICONST_0, IRETURN)) - assertNoInvoke(getSingleMethod(c, "t9")) + val c = compileClass(code) + + assertNoInvoke(getMethod(c, "t1")) + assertNoInvoke(getMethod(c, "t2")) + assertInvoke(getMethod(c, "t3"), "scala/runtime/BoxesRunTime", "unboxToInt") + assertInvoke(getMethod(c, "t4"), "scala/runtime/BoxesRunTime", "boxToLong") + assertNoInvoke(getMethod(c, "t5")) + assertNoInvoke(getMethod(c, "t6")) + assertNoInvoke(getMethod(c, "t7")) + assertSameSummary(getMethod(c, "t8"), List(ICONST_0, IRETURN)) + assertNoInvoke(getMethod(c, "t9")) // t10: no invocation of unbox - assertEquals(getSingleMethod(c, "t10").instructions collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( + assertEquals(getInstructions(c, "t10") collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( ("java/lang/Integer", "valueOf"), ("C", "escape"))) - assertSameSummary(getSingleMethod(c, "t11"), List( + assertSameSummary(getMethod(c, "t11"), List( BIPUSH, "valueOf", ASTORE /*2*/, BIPUSH, "valueOf", ASTORE /*3*/, ALOAD /*0*/, ALOAD /*2*/, "escape", @@ -343,7 +341,7 @@ class MethodLevelOptsTest extends ClearAfterClass { ASTORE /*4*/, GETSTATIC /*Predef*/, ALOAD /*4*/, "Integer2int", IRETURN)) // no unbox invocations - assertEquals(getSingleMethod(c, "t12").instructions collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( + assertEquals(getInstructions(c, "t12") collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( ("java/lang/Integer", "valueOf"), ("java/lang/Integer", "valueOf"), ("C", "escape"))) @@ -395,14 +393,14 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameSummary(getSingleMethod(c, "t1"), List(ICONST_0, IRETURN)) - assertNoInvoke(getSingleMethod(c, "t2")) - assertSameSummary(getSingleMethod(c, "t3"), List(LDC, LDC, LADD, LRETURN)) - assertNoInvoke(getSingleMethod(c, "t4")) - assertEquals(getSingleMethod(c, "t5").instructions collect { case Field(_, owner, name, _) => s"$owner.$name" }, + val c = compileClass(code) + assertSameSummary(getMethod(c, "t1"), List(ICONST_0, IRETURN)) + assertNoInvoke(getMethod(c, "t2")) + assertSameSummary(getMethod(c, "t3"), List(LDC, LDC, LADD, LRETURN)) + assertNoInvoke(getMethod(c, "t4")) + assertEquals(getInstructions(c, "t5") collect { case Field(_, owner, name, _) => s"$owner.$name" }, List("scala/runtime/IntRef.elem")) - assertEquals(getSingleMethod(c, "t6").instructions collect { case Field(op, owner, name, _) => s"$op $owner.$name" }, + assertEquals(getInstructions(c, "t6") collect { case Field(op, owner, name, _) => s"$op $owner.$name" }, List(s"$PUTFIELD scala/runtime/IntRef.elem", s"$GETFIELD scala/runtime/IntRef.elem")) } @@ -459,23 +457,23 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertNoInvoke(getSingleMethod(c, "t1")) - assertSameSummary(getSingleMethod(c, "t2"), List(ICONST_1, ICONST_3, IADD, IRETURN)) - assertSameSummary(getSingleMethod(c, "t3"), List(ICONST_3, ICONST_4, IADD, IRETURN)) - assertSameSummary(getSingleMethod(c, "t4"), List(ICONST_3, "boxToInteger", ARETURN)) - assertEquals(getSingleMethod(c, "t5").instructions collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( + val c = compileClass(code) + assertNoInvoke(getMethod(c, "t1")) + assertSameSummary(getMethod(c, "t2"), List(ICONST_1, ICONST_3, IADD, IRETURN)) + assertSameSummary(getMethod(c, "t3"), List(ICONST_3, ICONST_4, IADD, IRETURN)) + assertSameSummary(getMethod(c, "t4"), List(ICONST_3, "boxToInteger", ARETURN)) + assertEquals(getInstructions(c, "t5") collect { case Invoke(_, owner, name, _, _) => (owner, name) }, List( ("scala/runtime/BoxesRunTime", "boxToInteger"), ("scala/runtime/BoxesRunTime", "boxToInteger"), ("C", "tpl"), ("scala/Tuple2", "_1$mcI$sp"))) - assertSameSummary(getSingleMethod(c, "t6"), List(ICONST_1, ICONST_2, ISUB, IRETURN)) - assertSameSummary(getSingleMethod(c, "t7"), List( + assertSameSummary(getMethod(c, "t6"), List(ICONST_1, ICONST_2, ISUB, IRETURN)) + assertSameSummary(getMethod(c, "t7"), List( ICONST_1, ICONST_2, ISTORE, ISTORE, ICONST_3, ISTORE, ILOAD, ILOAD, IADD, ILOAD, IADD, IRETURN)) - assertNoInvoke(getSingleMethod(c, "t8")) - assertNoInvoke(getSingleMethod(c, "t9")) + assertNoInvoke(getMethod(c, "t8")) + assertNoInvoke(getMethod(c, "t9")) } @Test @@ -524,14 +522,14 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertSameSummary(getSingleMethod(c, "t1"), List(NEW, DUP, "<init>", ARETURN)) - assertSameCode(getSingleMethod(c, "t2"), List(Op(LCONST_0), Op(LRETURN))) - assertSameCode(getSingleMethod(c, "t3"), List(Op(ICONST_1), Op(IRETURN))) - assertSameCode(getSingleMethod(c, "t4"), List(Op(ICONST_1), Op(IRETURN))) - assertSameCode(getSingleMethod(c, "t5"), List(Op(DCONST_0), Op(DRETURN))) - assertSameCode(getSingleMethod(c, "t6"), List(Op(ACONST_NULL), Op(ARETURN))) - assertSameCode(getSingleMethod(c, "t7"), List(Op(ICONST_0), Op(IRETURN))) + val c = compileClass(code) + assertSameSummary(getMethod(c, "t1"), List(NEW, DUP, "<init>", ARETURN)) + assertSameCode(getMethod(c, "t2"), List(Op(LCONST_0), Op(LRETURN))) + assertSameCode(getMethod(c, "t3"), List(Op(ICONST_1), Op(IRETURN))) + assertSameCode(getMethod(c, "t4"), List(Op(ICONST_1), Op(IRETURN))) + assertSameCode(getMethod(c, "t5"), List(Op(DCONST_0), Op(DRETURN))) + assertSameCode(getMethod(c, "t6"), List(Op(ACONST_NULL), Op(ARETURN))) + assertSameCode(getMethod(c, "t7"), List(Op(ICONST_0), Op(IRETURN))) } @Test @@ -544,9 +542,9 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) + val c = compileClass(code) assertSameCode( - getSingleMethod(c, "t"), List( + getMethod(c, "t"), List( VarOp(ALOAD, 1), Jump(IFNULL, Label(6)), Op(ICONST_1), Op(IRETURN), Label(6), Op(ICONST_0), Op(IRETURN))) } @@ -615,28 +613,28 @@ class MethodLevelOptsTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - def stores(m: String) = getSingleMethod(c, m).instructions.filter(_.opcode == ASTORE) + val c = compileClass(code) + def stores(m: String) = getInstructions(c, m).filter(_.opcode == ASTORE) assertEquals(locals(c, "t1"), List(("this",0), ("kept1",1), ("result",2))) assert(stores("t1") == List(VarOp(ASTORE, 1), VarOp(ASTORE, 2), VarOp(ASTORE, 1), VarOp(ASTORE, 1)), - textify(findAsmMethod(c, "t1"))) + textify(getAsmMethod(c, "t1"))) assertEquals(locals(c, "t2"), List(("this",0), ("kept2",1), ("kept3",2))) assert(stores("t2") == List(VarOp(ASTORE, 1), VarOp(ASTORE, 2), VarOp(ASTORE, 1)), - textify(findAsmMethod(c, "t2"))) + textify(getAsmMethod(c, "t2"))) assertEquals(locals(c, "t3"), List(("this",0), ("kept4",1))) assert(stores("t3") == List(VarOp(ASTORE, 1), VarOp(ASTORE, 1)), - textify(findAsmMethod(c, "t3"))) + textify(getAsmMethod(c, "t3"))) assertEquals(locals(c, "t4"), List(("this",0), ("kept5",1))) assert(stores("t4") == List(VarOp(ASTORE, 1), VarOp(ASTORE, 1)), - textify(findAsmMethod(c, "t4"))) + textify(getAsmMethod(c, "t4"))) assertEquals(locals(c, "t5"), List(("this",0), ("kept6",1))) assert(stores("t5") == List(VarOp(ASTORE, 1), VarOp(ASTORE, 1)), - textify(findAsmMethod(c, "t5"))) + textify(getAsmMethod(c, "t5"))) } @Test @@ -683,13 +681,13 @@ class MethodLevelOptsTest extends ClearAfterClass { |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) + val c = compileClass(code) assertEquals(locals(c, "t1"), List(("this", 0), ("x", 1))) assertEquals(locals(c, "t2"), List(("this", 0), ("x", 1))) // we don't have constant propagation (yet). // the local var can't be optimized as a store;laod sequence, there's a GETSTATIC between the two - assertSameSummary(getSingleMethod(c, "t2"), List( + assertSameSummary(getMethod(c, "t2"), List( ICONST_2, ISTORE, GETSTATIC, ILOAD, "boxToInteger", "println", RETURN)) assertEquals(locals(c, "t3"), List(("this", 0))) @@ -711,8 +709,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - val t = getSingleMethod(c, "t") + val c = compileClass(code) + val t = getMethod(c, "t") assertEquals(t.handlers, Nil) assertEquals(locals(c, "t"), List(("this", 0))) assertSameSummary(t, List(GETSTATIC, LDC, "print", -1, GOTO)) @@ -729,8 +727,8 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) - assertNoInvoke(getSingleMethod(c, "compare")) + val c = compileClass(code) + assertNoInvoke(getMethod(c, "compare")) } @Test @@ -743,9 +741,9 @@ class MethodLevelOptsTest extends ClearAfterClass { | } |} """.stripMargin - val List(c) = compileClasses(methodOptCompiler)(code) + val c = compileClass(code) - assertSameSummary(getSingleMethod(c, "t"), List( + assertSameSummary(getMethod(c, "t"), List( BIPUSH, ILOAD, IF_ICMPNE, BIPUSH, ILOAD, IF_ICMPNE, LDC, ASTORE, GOTO, diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/ScalaInlineInfoTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/ScalaInlineInfoTest.scala index 6cb3fd3bba..5bd285f97f 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/ScalaInlineInfoTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/ScalaInlineInfoTest.scala @@ -2,23 +2,20 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ -import scala.tools.asm.tree.ClassNode -import scala.tools.nsc.backend.jvm.BTypes.{MethodInlineInfo, InlineInfo} -import scala.tools.partest.ASMConverters -import ASMConverters._ import scala.collection.JavaConverters._ -import scala.tools.testing.ClearAfterClass +import scala.tools.asm.tree.ClassNode +import scala.tools.nsc.backend.jvm.BTypes.{InlineInfo, MethodInlineInfo} +import scala.tools.testing.BytecodeTesting @RunWith(classOf[JUnit4]) -class ScalaInlineInfoTest extends ClearAfterClass { - val compiler = cached("compiler", () => newCompiler(extraArgs = "-Yopt:l:none")) +class ScalaInlineInfoTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:l:none" + import compiler._ def inlineInfo(c: ClassNode): InlineInfo = c.attrs.asScala.collect({ case a: InlineInfoAttribute => a.inlineInfo }).head @@ -72,7 +69,7 @@ class ScalaInlineInfoTest extends ClearAfterClass { |} """.stripMargin - val cs @ List(c, t, tl, to) = compileClasses(compiler)(code) + val cs @ List(c, t, tl, to) = compileClasses(code) val infoT = inlineInfo(t) val expectT = InlineInfo ( false, // final class @@ -149,7 +146,7 @@ class ScalaInlineInfoTest extends ClearAfterClass { | def nullary: Int |} """.stripMargin - val cs = compileClasses(compiler)(code) + val cs = compileClasses(code) val sams = cs.map(c => (c.name, inlineInfo(c).sam)) assertEquals(sams, List( @@ -165,7 +162,7 @@ class ScalaInlineInfoTest extends ClearAfterClass { @Test def lzyComputeInlineInfo(): Unit = { val code = "class C { object O }" - val List(c, om) = compileClasses(compiler)(code) + val List(c, om) = compileClasses(code) val infoC = inlineInfo(c) val expected = Map( "<init>()V" -> MethodInlineInfo(false,false,false), diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/SimplifyJumpsTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/SimplifyJumpsTest.scala index 99acb318de..992a0e541b 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/SimplifyJumpsTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/SimplifyJumpsTest.scala @@ -2,15 +2,15 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import CodeGenTools._ +import scala.tools.asm.Opcodes._ import scala.tools.partest.ASMConverters -import ASMConverters._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) class SimplifyJumpsTest { diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala index 46f06d1d39..63bbcc396b 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala @@ -2,17 +2,15 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ +import scala.tools.asm.Opcodes._ +import scala.tools.partest.ASMConverters._ import scala.tools.testing.AssertUtil._ - -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ +import scala.tools.testing.BytecodeTesting._ import scala.tools.testing.ClearAfterClass @RunWith(classOf[JUnit4]) @@ -20,12 +18,12 @@ class UnreachableCodeTest extends ClearAfterClass { // jvm-1.6 enables emitting stack map frames, which impacts the code generation wrt dead basic blocks, // see comment in BCodeBodyBuilder val methodOptCompiler = cached("methodOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:method")) - val dceCompiler = cached("dceCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code")) - val noOptCompiler = cached("noOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:none")) + val dceCompiler = cached("dceCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code")) + val noOptCompiler = cached("noOptCompiler", () => newCompiler(extraArgs = "-Yopt:l:none")) def assertEliminateDead(code: (Instruction, Boolean)*): Unit = { val method = genMethod()(code.map(_._1): _*) - dceCompiler.genBCode.bTypes.localOpt.removeUnreachableCodeImpl(method, "C") + dceCompiler.global.genBCode.bTypes.localOpt.removeUnreachableCodeImpl(method, "C") val nonEliminated = instructionsFromMethod(method) val expectedLive = code.filter(_._2).map(_._1).toList assertSameCode(nonEliminated, expectedLive) @@ -112,10 +110,10 @@ class UnreachableCodeTest extends ClearAfterClass { @Test def basicEliminationCompiler(): Unit = { val code = "def f: Int = { return 1; 2 }" - val withDce = singleMethodInstructions(dceCompiler)(code) + val withDce = dceCompiler.compileInstructions(code) assertSameCode(withDce.dropNonOp, List(Op(ICONST_1), Op(IRETURN))) - val noDce = singleMethodInstructions(noOptCompiler)(code) + val noDce = noOptCompiler.compileInstructions(code) // The emitted code is ICONST_1, IRETURN, ICONST_2, IRETURN. The latter two are dead. // @@ -141,23 +139,23 @@ class UnreachableCodeTest extends ClearAfterClass { def wrapInDefault(code: Instruction*) = List(Label(0), LineNumber(1, Label(0))) ::: code.toList ::: List(Label(1)) val code = "def f: Int = { return 0; try { 1 } catch { case _: Exception => 2 } }" - val m = singleMethod(dceCompiler)(code) + val m = dceCompiler.compileMethod(code) assertTrue(m.handlers.isEmpty) // redundant (if code is gone, handler is gone), but done once here for extra safety assertSameCode(m.instructions, wrapInDefault(Op(ICONST_0), Op(IRETURN))) val code2 = "def f: Unit = { try { } catch { case _: Exception => () }; () }" // requires fixpoint optimization of methodOptCompiler (dce alone is not enough): first the handler is eliminated, then it's dead catch block. - assertSameCode(singleMethodInstructions(methodOptCompiler)(code2), wrapInDefault(Op(RETURN))) + assertSameCode(methodOptCompiler.compileInstructions(code2), wrapInDefault(Op(RETURN))) val code3 = "def f: Unit = { try { } catch { case _: Exception => try { } catch { case _: Exception => () } }; () }" - assertSameCode(singleMethodInstructions(methodOptCompiler)(code3), wrapInDefault(Op(RETURN))) + assertSameCode(methodOptCompiler.compileInstructions(code3), wrapInDefault(Op(RETURN))) // this example requires two iterations to get rid of the outer handler. // the first iteration of DCE cannot remove the inner handler. then the inner (empty) handler is removed. // then the second iteration of DCE removes the inner catch block, and then the outer handler is removed. val code4 = "def f: Unit = { try { try { } catch { case _: Exception => () } } catch { case _: Exception => () }; () }" - assertSameCode(singleMethodInstructions(methodOptCompiler)(code4), wrapInDefault(Op(RETURN))) + assertSameCode(methodOptCompiler.compileInstructions(code4), wrapInDefault(Op(RETURN))) } @Test // test the dce-testing tools @@ -174,7 +172,7 @@ class UnreachableCodeTest extends ClearAfterClass { } @Test - def bytecodeEquivalence: Unit = { + def bytecodeEquivalence(): Unit = { assertTrue(List(VarOp(ILOAD, 1)) === List(VarOp(ILOAD, 2))) assertTrue(List(VarOp(ILOAD, 1), VarOp(ISTORE, 1)) === @@ -216,35 +214,35 @@ class UnreachableCodeTest extends ClearAfterClass { | def t4 = cons(nt) |} """.stripMargin - val List(c) = compileClasses(noOptCompiler)(code) + val c = noOptCompiler.compileClass(code) - assertSameSummary(getSingleMethod(c, "nl"), List(ACONST_NULL, ARETURN)) + assertSameSummary(getMethod(c, "nl"), List(ACONST_NULL, ARETURN)) - assertSameSummary(getSingleMethod(c, "nt"), List( + assertSameSummary(getMethod(c, "nt"), List( NEW, DUP, LDC, "<init>", ATHROW)) - assertSameSummary(getSingleMethod(c, "t1"), List( + assertSameSummary(getMethod(c, "t1"), List( ALOAD, ACONST_NULL, "cons", RETURN)) // GenBCode introduces POP; ACONST_NULL after loading an expression of type scala.runtime.Null$, // see comment in BCodeBodyBuilder.adapt - assertSameSummary(getSingleMethod(c, "t2"), List( + assertSameSummary(getMethod(c, "t2"), List( ALOAD, ALOAD, "nl", POP, ACONST_NULL, "cons", RETURN)) // the bytecode generated by GenBCode is ... ATHROW; INVOKEVIRTUAL C.cons; RETURN // the ASM classfile writer creates a new basic block (creates a label) right after the ATHROW // and replaces all instructions by NOP*; ATHROW, see comment in BCodeBodyBuilder.adapt // NOTE: DCE is enabled by default and gets rid of the redundant code (tested below) - assertSameSummary(getSingleMethod(c, "t3"), List( + assertSameSummary(getMethod(c, "t3"), List( ALOAD, NEW, DUP, LDC, "<init>", ATHROW, NOP, NOP, NOP, ATHROW)) // GenBCode introduces an ATHROW after the invocation of C.nt, see BCodeBodyBuilder.adapt // NOTE: DCE is enabled by default and gets rid of the redundant code (tested below) - assertSameSummary(getSingleMethod(c, "t4"), List( + assertSameSummary(getMethod(c, "t4"), List( ALOAD, ALOAD, "nt", ATHROW, NOP, NOP, NOP, ATHROW)) - val List(cDCE) = compileClasses(dceCompiler)(code) - assertSameSummary(getSingleMethod(cDCE, "t3"), List(ALOAD, NEW, DUP, LDC, "<init>", ATHROW)) - assertSameSummary(getSingleMethod(cDCE, "t4"), List(ALOAD, ALOAD, "nt", ATHROW)) + val cDCE = dceCompiler.compileClass(code) + assertSameSummary(getMethod(cDCE, "t3"), List(ALOAD, NEW, DUP, LDC, "<init>", ATHROW)) + assertSameSummary(getMethod(cDCE, "t4"), List(ALOAD, ALOAD, "nt", ATHROW)) } } diff --git a/test/junit/scala/tools/nsc/backend/jvm/opt/UnusedLocalVariablesTest.scala b/test/junit/scala/tools/nsc/backend/jvm/opt/UnusedLocalVariablesTest.scala index 77e73e64b9..c9c98b403b 100644 --- a/test/junit/scala/tools/nsc/backend/jvm/opt/UnusedLocalVariablesTest.scala +++ b/test/junit/scala/tools/nsc/backend/jvm/opt/UnusedLocalVariablesTest.scala @@ -2,21 +2,20 @@ package scala.tools.nsc package backend.jvm package opt +import org.junit.Assert._ +import org.junit.Test import org.junit.runner.RunWith import org.junit.runners.JUnit4 -import org.junit.Test -import scala.tools.asm.Opcodes._ -import org.junit.Assert._ -import scala.collection.JavaConverters._ -import CodeGenTools._ -import scala.tools.partest.ASMConverters -import ASMConverters._ -import scala.tools.testing.ClearAfterClass +import scala.collection.JavaConverters._ +import scala.tools.partest.ASMConverters._ +import scala.tools.testing.BytecodeTesting +import scala.tools.testing.BytecodeTesting._ @RunWith(classOf[JUnit4]) -class UnusedLocalVariablesTest extends ClearAfterClass { - val dceCompiler = cached("dceCompiler", () => newCompiler(extraArgs = "-Yopt:unreachable-code")) +class UnusedLocalVariablesTest extends BytecodeTesting { + override def compilerArgs = "-Yopt:unreachable-code" + import compiler._ @Test def removeUnusedVar(): Unit = { @@ -49,7 +48,7 @@ class UnusedLocalVariablesTest extends ClearAfterClass { | } |} |""".stripMargin - val cls = compileClasses(dceCompiler)(code).head + val cls = compileClass(code) val m = convertMethod(cls.methods.asScala.toList.find(_.desc == "(I)V").get) assertTrue(m.localVars.length == 2) // this, a, but not y @@ -70,19 +69,14 @@ class UnusedLocalVariablesTest extends ClearAfterClass { |} """.stripMargin - val clss2 = compileClasses(dceCompiler)(code2) - val cls2 = clss2.find(_.name == "C").get - val companion2 = clss2.find(_.name == "C$").get - - val clsConstr = convertMethod(cls2.methods.asScala.toList.find(_.name == "<init>").get) - val companionConstr = convertMethod(companion2.methods.asScala.toList.find(_.name == "<init>").get) + val List(cls2, companion2) = compileClasses(code2) - assertTrue(clsConstr.localVars.length == 1) // this - assertTrue(companionConstr.localVars.length == 1) // this + assertTrue(getMethod(cls2, "<init>").localVars.length == 1) // this + assertTrue(getMethod(companion2, "<init>").localVars.length == 1) // this } def assertLocalVarCount(code: String, numVars: Int): Unit = { - assertTrue(singleMethod(dceCompiler)(code).localVars.length == numVars) + assertTrue(compileMethod(code).localVars.length == numVars) } } |