================
@@ -137,6 +137,42 @@ bool SemaSPIRV::CheckSPIRVBuiltinFunctionCall(unsigned
BuiltinID,
TheCall->setType(RetTy);
break;
}
+ case SPIRV::BI__builtin_spirv_faceforward: {
+ if (SemaRef.checkArgCount(TheCall, 3))
+ return true;
+
+ // check if all arguments have floating representation
+ for (unsigned i = 0; i < TheCall->getNumArgs(); ++i) {
+ ExprResult Arg = TheCall->getArg(i);
+ QualType ArgTy = Arg.get()->getType();
+ if (!ArgTy->hasFloatingRepresentation()) {
+ SemaRef.Diag(Arg.get()->getBeginLoc(),
+ diag::err_builtin_invalid_arg_type)
+ << i + 1 << /* scalar or vector */ 5 << /* no int */ 0 << /* fp */
1
+ << ArgTy;
+ return true;
+ }
+ }
+
+ // check if all arguments are of the same type
+ ExprResult A = TheCall->getArg(0);
+ ExprResult B = TheCall->getArg(1);
+ ExprResult C = TheCall->getArg(2);
+ if (!(SemaRef.getASTContext().hasSameUnqualifiedType(A.get()->getType(),
----------------
inbelic wrote:
Same here, could be common function. See the `CheckAllArgsHaveTheSameType` in
`SemaHLSL`. You could probably just copy paste that into this file. I think we
previously decided to NOT move them to a common place so I wouldn't worry about
doing that.
https://github.com/llvm/llvm-project/pull/135878
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