================
@@ -19105,6 +19105,51 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned
BuiltinID,
return nullptr;
switch (BuiltinID) {
+ case Builtin::BI__builtin_hlsl_adduint64: {
----------------
farzonl wrote:
So the downside of what I suggested is that it would be a hybrid solution. You
are writing the algorithm in HLSL, but you are also massaging the codegen to
do out args instead of pointers, and write sema checks because we have to
introduce a new builtin.
My thinking was there would be less total codgen if we did it the way I
suggested and some of the sema checks would benefit from language rules
instead of us having to put a bunch of effort into `HLSLSema.cpp`. I don't
have a strong opinion. So I won't make a requirement here.
https://github.com/llvm/llvm-project/pull/125319
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