================
@@ -11285,6 +11285,21 @@ 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
----------------
MacDue wrote:
(optional suggestion): Rather than doing this while emitting builtins you could
always emit the intrinsic, then handle the
`Intrinsic::aarch64_sme_in_streaming_mode` in
`llvm/lib/Analysis/ConstantFolding.cpp` (other target specific intrinsics are
already handled there).
https://github.com/llvm/llvm-project/pull/120265
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