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Fix PR3335 by not turning a store to one address space into a store to another.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62351 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-01-16 20:12:52 +00:00
parent 1b8eaf5109
commit 71759c491c
2 changed files with 16 additions and 1 deletions
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6
lib/Transforms/Scalar/InstructionCombining.cpp
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@@ -11169,7 +11169,11 @@ static Instruction *InstCombineStoreToCast(InstCombiner &IC, StoreInst &SI) {
if (!SrcPTy->isInteger() && !isa<PointerType>(SrcPTy))
return 0;
if (IC.getTargetData().getTypeSizeInBits(SrcPTy) !=
// If the pointers point into different address spaces or if they point to
// values with different sizes, we can't do the transformation.
if (SrcTy->getAddressSpace() !=
cast<PointerType>(CI->getType())->getAddressSpace() ||
IC.getTargetData().getTypeSizeInBits(SrcPTy) !=
IC.getTargetData().getTypeSizeInBits(DestPTy))
return 0;