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[Attributor] Avoid some pointer element type accesses

This commit is contained in:
Nikita Popov 2022-01-21 11:19:54 +01:00
parent 1f9e18b656
commit e7762653d3
1 changed files with 6 additions and 5 deletions
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11
llvm/lib/Transforms/IPO/AttributorAttributes.cpp
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@ -1216,7 +1216,7 @@ struct AAPointerInfoFloating : public AAPointerInfoImpl {
}
UsrOI.Offset = PtrOI.Offset +
DL.getIndexedOffsetInType(
CurPtr->getType()->getPointerElementType(), Indices);
GEP->getSourceElementType(), Indices);
Follow = true;
return true;
}
@ -6650,9 +6650,10 @@ struct AAPrivatizablePtrArgument final : public AAPrivatizablePtrImpl {
IRBuilder<NoFolder> IRB(IP);
const DataLayout &DL = IP->getModule()->getDataLayout();
if (Base->getType()->getPointerElementType() != PrivType)
Base = BitCastInst::CreateBitOrPointerCast(Base, PrivType->getPointerTo(),
"", ACS.getInstruction());
Type *PrivPtrType = PrivType->getPointerTo();
if (Base->getType() != PrivPtrType)
Base = BitCastInst::CreateBitOrPointerCast(Base, PrivPtrType, "",
ACS.getInstruction());
// Traverse the type, build GEPs and loads.
if (auto *PrivStructType = dyn_cast<StructType>(PrivType)) {
@ -6794,7 +6795,7 @@ struct AAPrivatizablePtrFloating : public AAPrivatizablePtrImpl {
if (auto *AI = dyn_cast<AllocaInst>(Obj))
if (auto *CI = dyn_cast<ConstantInt>(AI->getArraySize()))
if (CI->isOne())
return Obj->getType()->getPointerElementType();
return AI->getAllocatedType();
if (auto *Arg = dyn_cast<Argument>(Obj)) {
auto &PrivArgAA = A.getAAFor<AAPrivatizablePtr>(
*this, IRPosition::argument(*Arg), DepClassTy::REQUIRED);