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Remove a check for an illegal condition.

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Bitcasts can't be between address spaces anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199253 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2014-01-14 19:56:57 +00:00
parent 5f33cbc414
commit e16fa983bf
1 changed files with 0 additions and 5 deletions
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5
lib/Transforms/InstCombine/InstCombineCasts.cpp
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@ -1797,11 +1797,6 @@ Instruction *InstCombiner::visitBitCast(BitCastInst &CI) {
Type *DstElTy = DstPTy->getElementType(); Type *DstElTy = DstPTy->getElementType();
Type *SrcElTy = SrcPTy->getElementType(); Type *SrcElTy = SrcPTy->getElementType();
// If the address spaces don't match, don't eliminate the bitcast, which is
// required for changing types.
if (SrcPTy->getAddressSpace() != DstPTy->getAddressSpace())
return 0;
// If we are casting a alloca to a pointer to a type of the same // If we are casting a alloca to a pointer to a type of the same
// size, rewrite the allocation instruction to allocate the "right" type. // size, rewrite the allocation instruction to allocate the "right" type.
// There is no need to modify malloc calls because it is their bitcast that // There is no need to modify malloc calls because it is their bitcast that