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Ignore dbg info intrinsics.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95828 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-02-11 00:20:49 +00:00
parent 1c5bcac7d5
commit be905e26f6
1 changed files with 4 additions and 0 deletions
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4
lib/Transforms/Scalar/GVN.cpp
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@ -1891,6 +1891,10 @@ Value *GVN::lookupNumber(BasicBlock *BB, uint32_t num) {
/// by inserting it into the appropriate sets
bool GVN::processInstruction(Instruction *I,
SmallVectorImpl<Instruction*> &toErase) {
// Ignore dbg info intrinsics.
if (isa<DbgInfoIntrinsic>(I))
return false;
if (LoadInst *LI = dyn_cast<LoadInst>(I)) {
bool Changed = processLoad(LI, toErase);