diff options
| author | Reid Spencer <rspencer@reidspencer.com> | 2004-07-18 00:32:14 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2004-07-18 00:32:14 +0000 |
| commit | 460f16c6253928519689e882a4dbb7f236f33294 (patch) | |
| tree | 47aeacdbd2d4e9f7a4bb5484b2a836f5b4c0e791 /lib/Transforms/Scalar/GCSE.cpp | |
| parent | 21cb67e16ae4741ba7b24848db6913047876c4bc (diff) | |
bug 122:
- Minimize redundant isa<GlobalValue> usage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14948 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/GCSE.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/GCSE.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/GCSE.cpp b/lib/Transforms/Scalar/GCSE.cpp index 7d93c50373..c24941320f 100644 --- a/lib/Transforms/Scalar/GCSE.cpp +++ b/lib/Transforms/Scalar/GCSE.cpp @@ -78,8 +78,7 @@ bool GCSE::runOnFunction(Function &F) { VN.getEqualNumberNodes(AI, EqualValues); if (!EqualValues.empty()) { for (unsigned i = 0, e = EqualValues.size(); i != e; ++i) - if (isa<Constant>(EqualValues[i]) || - isa<GlobalValue>(EqualValues[i])) { + if (isa<Constant>(EqualValues[i])) { AI->replaceAllUsesWith(EqualValues[i]); ++NumArgsRepl; Changed = true; @@ -186,7 +185,7 @@ void GCSE::ReplaceInstructionWith(Instruction *I, Value *V) { // If we are not replacing the instruction with a constant, we cannot do // anything special. - if (!isa<Constant>(V)) { + if (!isa<Constant>(V) || isa<GlobalValue>(V)) { I->replaceAllUsesWith(V); if (InvokeInst *II = dyn_cast<InvokeInst>(I)) { |