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-rw-r--r--test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala16
1 files changed, 3 insertions, 13 deletions
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 902af7b7fa..0ac206669a 100644
--- a/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala
+++ b/test/junit/scala/tools/nsc/backend/jvm/opt/UnreachableCodeTest.scala
@@ -18,18 +18,14 @@ import scala.tools.testing.ClearAfterClass
object UnreachableCodeTest extends ClearAfterClass.Clearable {
// jvm-1.6 enables emitting stack map frames, which impacts the code generation wrt dead basic blocks,
// see comment in BCodeBodyBuilder
- var methodOptCompiler = newCompiler(extraArgs = "-target:jvm-1.6 -Ybackend:GenBCode -Yopt:l:method")
- var dceCompiler = newCompiler(extraArgs = "-target:jvm-1.6 -Ybackend:GenBCode -Yopt:unreachable-code")
- var noOptCompiler = newCompiler(extraArgs = "-target:jvm-1.6 -Ybackend:GenBCode -Yopt:l:none")
-
- // jvm-1.5 disables computing stack map frames, and it emits dead code as-is. note that this flag triggers a deprecation warning
- var noOptNoFramesCompiler = newCompiler(extraArgs = "-target:jvm-1.5 -Ybackend:GenBCode -Yopt:l:none -deprecation")
+ var methodOptCompiler = newCompiler(extraArgs = "-Ybackend:GenBCode -Yopt:l:method")
+ var dceCompiler = newCompiler(extraArgs = "-Ybackend:GenBCode -Yopt:unreachable-code")
+ var noOptCompiler = newCompiler(extraArgs = "-Ybackend:GenBCode -Yopt:l:none")
def clear(): Unit = {
methodOptCompiler = null
dceCompiler = null
noOptCompiler = null
- noOptNoFramesCompiler = null
}
}
@@ -40,7 +36,6 @@ class UnreachableCodeTest extends ClearAfterClass {
val methodOptCompiler = UnreachableCodeTest.methodOptCompiler
val dceCompiler = UnreachableCodeTest.dceCompiler
val noOptCompiler = UnreachableCodeTest.noOptCompiler
- val noOptNoFramesCompiler = UnreachableCodeTest.noOptNoFramesCompiler
def assertEliminateDead(code: (Instruction, Boolean)*): Unit = {
val method = genMethod()(code.map(_._1): _*)
@@ -152,11 +147,6 @@ class UnreachableCodeTest extends ClearAfterClass {
// Finally, instructions in the dead basic blocks are replaced by ATHROW, as explained in
// a comment in BCodeBodyBuilder.
assertSameCode(noDce.dropNonOp, List(Op(ICONST_1), Op(IRETURN), Op(ATHROW), Op(ATHROW)))
-
- // when NOT computing stack map frames, ASM's ClassWriter does not replace dead code by NOP/ATHROW
- val warn = "target:jvm-1.5 is deprecated"
- val noDceNoFrames = singleMethodInstructions(noOptNoFramesCompiler)(code, allowMessage = _.msg contains warn)
- assertSameCode(noDceNoFrames.dropNonOp, List(Op(ICONST_1), Op(IRETURN), Op(ICONST_2), Op(IRETURN)))
}
@Test