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[SYCL][NFC] Fix aspects detection of AllocaInst when opaque pointers are enabled #6767

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Merged
merged 2 commits into from
Sep 20, 2022
Merged

[SYCL][NFC] Fix aspects detection of AllocaInst when opaque pointers are enabled #6767

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61fdc3d
Fix aspects detection of AllocaInst when opaque pointers are enabled
AlexeySachkov Sep 13, 2022
477a07e
Fix typo
AlexeySachkov Sep 20, 2022
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6 changes: 6 additions & 0 deletions llvm/lib/SYCLLowerIR/SYCLPropagateAspectsUsage.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -191,6 +191,12 @@ const AspectsSetTy &getAspectsFromType(const Type *T,
AspectsSetTy getAspectsUsedByInstruction(const Instruction &I,
TypeToAspectsMapTy &Types) {
const Type *ReturnType = I.getType();
if (auto *AI = dyn_cast<const AllocaInst>(&I)) {
// Return type of an alloca is a pointer and in opaque pointers world we
// don't know which type it points to. Therefore, explicitly checking the
// allocated type instead
ReturnType = AI->getAllocatedType();
}
AspectsSetTy Result = getAspectsFromType(ReturnType, Types);
for (const auto &OperandIt : I.operands()) {
const AspectsSetTy &Aspects =
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