================
@@ -1826,8 +1826,7 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl
&gd, unsigned builtinID,
case Builtin::BI__builtin_coro_done:
return RValue::get(emitCoroDoneBuiltinCall(e).getResult());
case Builtin::BI__builtin_coro_suspend:
- cgm.errorNYI(e->getSourceRange(), "BI__builtin_coro_suspend NYI");
- return getUndefRValue(e->getType());
+ return RValue::get(emitCoroSuspendBuiltinCall(e).getResult());
----------------
mmha wrote:
```suggestion
mlir::Value result = emitCoroSuspendBuiltinCall(e).getResult();
return RValue::get(builder.createIntCast(result, convertType(e->getType())));
```
This breaks on ARM, where `char` (the builtins return type) is unsigned. You
need to cast here.
https://github.com/llvm/llvm-project/pull/228310
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