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| author | Jeffrey Yasskin <jyasskin@google.com> | 2009-10-08 00:12:24 +0000 |
|---|---|---|
| committer | Jeffrey Yasskin <jyasskin@google.com> | 2009-10-08 00:12:24 +0000 |
| commit | 4306963170dfc17d580421220674aa3c030f525a (patch) | |
| tree | da6a3d74d62f7b8cce8b205f9f0b389cc5b06bb1 | |
| parent | 0ea38bb93955a64477a66f9adca7eadab6635050 (diff) | |
In instcombine's debug output, avoid printing ADD for instructions that are
already on the worklist, and print Visited when an instruction is about to be
visited. Net, on one input, this reduced the output size by at least 9x.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83510 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 66776dde4c..bb0e0996bf 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -90,9 +90,10 @@ namespace { /// Add - Add the specified instruction to the worklist if it isn't already /// in it. void Add(Instruction *I) { - DEBUG(errs() << "IC: ADD: " << *I << '\n'); - if (WorklistMap.insert(std::make_pair(I, Worklist.size())).second) + if (WorklistMap.insert(std::make_pair(I, Worklist.size())).second) { + DEBUG(errs() << "IC: ADD: " << *I << '\n'); Worklist.push_back(I); + } } void AddValue(Value *V) { @@ -12853,7 +12854,8 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) { std::string OrigI; #endif DEBUG(raw_string_ostream SS(OrigI); I->print(SS); OrigI = SS.str();); - + DEBUG(errs() << "IC: Visiting: " << OrigI << '\n'); + if (Instruction *Result = visit(*I)) { ++NumCombined; // Should we replace the old instruction with a new one? |