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[clang][SME] Remove folding of __arm_in_streaming_mode() (NFC) #150917

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Merged
merged 1 commit into from
Jul 29, 2025
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[clang][SME] Remove folding of __arm_in_streaming_mode() (NFC) #150917

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13 changes: 0 additions & 13 deletions clang/lib/CodeGen/TargetBuiltins/ARM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4922,19 +4922,6 @@ Value *CodeGenFunction::EmitAArch64SMEBuiltinExpr(unsigned BuiltinID,
if (Builtin->LLVMIntrinsic == 0)
return nullptr;

if (BuiltinID == SME::BI__builtin_sme___arm_in_streaming_mode) {
// If we already know the streaming mode, don't bother with the intrinsic
// and emit a constant instead
const auto *FD = cast<FunctionDecl>(CurFuncDecl);
if (const auto *FPT = FD->getType()->getAs<FunctionProtoType>()) {
unsigned SMEAttrs = FPT->getAArch64SMEAttributes();
if (!(SMEAttrs & FunctionType::SME_PStateSMCompatibleMask)) {
bool IsStreaming = SMEAttrs & FunctionType::SME_PStateSMEnabledMask;
return ConstantInt::getBool(Builder.getContext(), IsStreaming);
}
}
}

// Predicates must match the main datatype.
for (Value *&Op : Ops)
if (auto PredTy = dyn_cast<llvm::VectorType>(Op->getType()))
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