diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 7c9f0b2..474a214 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -1987,16 +1987,13 @@ void MemCmpExpansion::emitLoadCompareBlock(unsigned Index, unsigned LoadSize, ResBlock.PhiSrc2->addIncoming(LoadSrc2, LoadCmpBlocks[Index]); } - Value *Diff = Builder.CreateSub(LoadSrc1, LoadSrc2); - - Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_NE, Diff, - ConstantInt::get(Diff->getType(), 0)); + Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_EQ, LoadSrc1, LoadSrc2); BasicBlock *NextBB = (Index == (LoadCmpBlocks.size() - 1)) ? EndBlock : LoadCmpBlocks[Index + 1]; // Early exit branch if difference found to ResultBlock. Otherwise, continue // to next LoadCmpBlock or EndBlock. - BranchInst *CmpBr = BranchInst::Create(ResBlock.BB, NextBB, Cmp); + BranchInst *CmpBr = BranchInst::Create(NextBB, ResBlock.BB, Cmp); Builder.Insert(CmpBr); // Add a phi edge for the last LoadCmpBlock to Endblock with a value of 0 |