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| author | Martin Odersky <odersky@gmail.com> | 2016-03-03 10:36:53 +0100 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2016-03-03 10:36:53 +0100 |
| commit | 0e21000f5527461b68a382346712e5f52fb3beec (patch) | |
| tree | ed47d716d400e0fc9aac0c117dd7c69b946ececd | |
| parent | ba67e556271156c11f5f313f68891bf18f7a51d2 (diff) | |
| download | dotty-0e21000f5527461b68a382346712e5f52fb3beec.tar.gz dotty-0e21000f5527461b68a382346712e5f52fb3beec.tar.bz2 dotty-0e21000f5527461b68a382346712e5f52fb3beec.zip | |
Print phases with time they need
Print a phase after it has run, together with the time
it needs. Useful to locate performance problems in transforms.
| -rw-r--r-- | src/dotty/tools/dotc/Run.scala | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/Run.scala b/src/dotty/tools/dotc/Run.scala index 39fd42a64..9972e3e64 100644 --- a/src/dotty/tools/dotc/Run.scala +++ b/src/dotty/tools/dotc/Run.scala @@ -56,12 +56,13 @@ class Run(comp: Compiler)(implicit ctx: Context) { ctx.usePhases(phases) for (phase <- ctx.allPhases) if (!ctx.reporter.hasErrors) { - if (ctx.settings.verbose.value) ctx.println(s"[$phase]") + val start = System.currentTimeMillis units = phase.runOn(units) def foreachUnit(op: Context => Unit)(implicit ctx: Context): Unit = for (unit <- units) op(ctx.fresh.setPhase(phase.next).setCompilationUnit(unit)) if (ctx.settings.Xprint.value.containsPhase(phase)) foreachUnit(printTree) + ctx.informTime(s"$phase ", start) } } |