================
@@ -5290,6 +5290,56 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned
BuiltinID,
return Builder.CreateCall(F, Args);
}
+ if (BuiltinID == clang::AArch64::BI__builtin_arm_atomic_store_with_stshh) {
+ const Expr *Arg0 = E->getArg(0);
+ const Expr *Arg1 = E->getArg(1);
+ const Expr *Arg2 = E->getArg(2);
+ const Expr *Arg3 = E->getArg(3);
+
+ Value *StoreAddr = EmitScalarExpr(Arg0);
+ Value *StoreValue = EmitScalarExpr(Arg1);
+
+ llvm::APSInt OrderVal = Arg2->EvaluateKnownConstInt(getContext());
+ llvm::APSInt RetentionPolicy = Arg3->EvaluateKnownConstInt(getContext());
----------------
CarolineConcatto wrote:
Not sure what is better, but what I see usually in the code is:
```
Value *Order = EmitScalarExpr(E->getArg(2));
auto Ord = dyn_cast<llvm::ConstantInt>(Order);
switch (Ord->getZExtValue()) {
```
I dont see EvaluateKnownConstInt being used much here.
https://github.com/llvm/llvm-project/pull/181386
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