[PATCH] D135632: llvm-reduce: Color output of child processes

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: regehr, aeubanks, lebedev.ri.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

When reducing llvm-reduce with llvm-reduce, it can be confusing
to figure out what lines are printed by the child or parent. Not
sure this is the most reliable way to set and restore this.


https://reviews.llvm.org/D135632

Files:
  llvm/tools/llvm-reduce/TestRunner.cpp


Index: llvm/tools/llvm-reduce/TestRunner.cpp
===================================================================
--- llvm/tools/llvm-reduce/TestRunner.cpp
+++ llvm/tools/llvm-reduce/TestRunner.cpp
@@ -39,9 +39,13 @@
     for (int i = 0; i < 3; ++i)
       Redirects.push_back(Empty);
   }
+
+  outs().changeColor(raw_ostream::YELLOW);
+
   int Result =
       sys::ExecuteAndWait(TestName, ProgramArgs, /*Env=*/None, Redirects,
                           /*SecondsToWait=*/0, /*MemoryLimit=*/0, &ErrMsg);
+  outs().resetColor();
 
   if (Result < 0) {
     Error E = make_error<StringError>("Error running interesting-ness test: " +


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