Author: lattner
Date: Sun Feb 10 13:05:37 2008
New Revision: 46932
URL: http://llvm.org/viewvc/llvm-project?rev=46932&view=rev
Log:
Fix scalarrepl to not 'miscompile' undefined code, part #2.
This fixes the store case, my previous patch just fixed the load
case. rdar://5707076.
Modified:
llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp?rev=46932&r1=46931&r2=46932&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/ScalarReplAggregates.cpp Sun Feb 10
13:05:37 2008
@@ -1150,7 +1150,7 @@
// then 'or' into place.
Value *SV = SI->getOperand(0);
const Type *AllocaType = NewAI->getType()->getElementType();
- if (SV->getType() == AllocaType) {
+ if (SV->getType() == AllocaType && Offset == 0) {
// All is well.
} else if (const VectorType *PTy = dyn_cast<VectorType>(AllocaType)) {
Value *Old = new LoadInst(NewAI, NewAI->getName()+".in", SI);
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
