================
@@ -10570,6 +10570,26 @@ Value
*CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
return Builder.CreateCall(F, llvm::ConstantInt::get(Int32Ty, HintID));
}
+ if (BuiltinID == clang::AArch64::BI__builtin_arm_get_sme_state) {
+ // Create call to __arm_sme_state and store the results to the two
pointers.
----------------
sdesmalen-arm wrote:
I looked into this a while back when I implemented this builtin, but couldn't
find any prior work where a builtin returned two scalar values which is why I
opted for doing this through memory. LLVM will optimise these away similar to
how it optimises all of Clang's other memory operations away (mem2reg).
https://github.com/llvm/llvm-project/pull/75791
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