================
@@ -2214,6 +2227,42 @@ static bool CheckResourceHandle(
// returning an ExprError
bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall)
{
switch (BuiltinID) {
+ case Builtin::BI__builtin_hlsl_adduint64: {
+ if (SemaRef.checkArgCount(TheCall, 2))
+ return true;
+ if (CheckVectorElementCallArgs(&SemaRef, TheCall))
+ return true;
+ if (CheckUnsignedIntegerRepresentation(&SemaRef, TheCall))
+ return true;
+
+ // CheckVectorElementCallArgs(...) guarantees both args are the same type.
+ assert(TheCall->getArg(0)->getType() == TheCall->getArg(1)->getType() &&
+ "Both args must be of the same type");
+
+ // ensure both args are vectors
+ auto *VTy = TheCall->getArg(0)->getType()->getAs<VectorType>();
+ if (!VTy) {
+ SemaRef.Diag(TheCall->getBeginLoc(),
+ diag::err_vector_incorrect_num_elements)
----------------
Icohedron wrote:
I changed the error message for this in commit
[28b7eb8](https://github.com/llvm/llvm-project/pull/125319/commits/28b7eb8c6ac603ef1c316e7731b07cb6f6f3a34e)
https://github.com/llvm/llvm-project/pull/125319
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