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Recommit r236670: [opaque pointer type] Pass explicit pointer type through GEP constant folding""

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Clang regressions were caused by more stringent assertion checking
introduced by this change. Small fix needed to clang has been committed
in r236751.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-05-07 17:28:58 +00:00
parent aa46024ea3
commit ad80c2d9ed
4 changed files with 36 additions and 16 deletions
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6
lib/Transforms/IPO/GlobalOpt.cpp
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@ -564,7 +564,7 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) {
if (Val >= NewGlobals.size()) Val = 0; // Out of bound array access.
Value *NewPtr = NewGlobals[Val];
Type *NewTy = NewGlobals[Val]->getType();
Type *NewTy = NewGlobals[Val]->getValueType();
// Form a shorter GEP if needed.
if (GEP->getNumOperands() > 3) {
@ -575,7 +575,6 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) {
Idxs.push_back(CE->getOperand(i));
NewPtr =
ConstantExpr::getGetElementPtr(NewTy, cast<Constant>(NewPtr), Idxs);
NewTy = GetElementPtrInst::getIndexedType(NewTy, Idxs);
} else {
GetElementPtrInst *GEPI = cast<GetElementPtrInst>(GEP);
SmallVector<Value*, 8> Idxs;
@ -583,8 +582,7 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV, const DataLayout &DL) {
for (unsigned i = 3, e = GEPI->getNumOperands(); i != e; ++i)
Idxs.push_back(GEPI->getOperand(i));
NewPtr = GetElementPtrInst::Create(
NewPtr->getType()->getPointerElementType(), NewPtr, Idxs,
GEPI->getName() + "." + Twine(Val), GEPI);
NewTy, NewPtr, Idxs, GEPI->getName() + "." + Twine(Val), GEPI);
}
}
GEP->replaceAllUsesWith(NewPtr);