================
@@ -12603,6 +12603,18 @@ struct AAAddressSpaceImpl : public AAAddressSpace {
auto CheckAddressSpace = [&](Value &Obj) {
if (isa<UndefValue>(&Obj))
return true;
+ // Some targets relax the requirement for alloca to be in an exact
address
+ // space, allowing it in certain other address spaces instead. These
+ // targets later lower alloca to the correct address space in the
+ // pipeline. Therefore, we need to query TTI to determine the appropriate
+ // address space.
+ if (auto *AI = dyn_cast<AllocaInst>(&Obj)) {
+ Function *Fn = AI->getFunction();
+ auto *TTI =
+ A.getInfoCache().getAnalysisResultForFunction<TargetIRAnalysis>(
+ *Fn);
+ return takeAddressSpace(TTI->getAssumedAddrSpace(AI));
----------------
shiltian wrote:
This file is in middle end, so we can't access target machine, same as
InferAddressSpacePass.
https://github.com/llvm/llvm-project/pull/136865
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