================
@@ -1956,6 +1956,26 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned
BuiltinID, CallExpr *TheCall) {
return true;
break;
}
+ case Builtin::BI__builtin_hlsl_wave_read_lane_at: {
+ if (SemaRef.checkArgCount(TheCall, 2))
+ return true;
+
+ // Ensure index parameter type can be interpreted as a uint
+ ExprResult Index = TheCall->getArg(1);
+ QualType ArgTyIndex = Index.get()->getType();
+ if (!ArgTyIndex->hasIntegerRepresentation()) {
----------------
llvm-beanz wrote:
I don't think this is the correct check. This will return `true` for vectors of
integers. I think we really want `isIntegerType()`.
https://github.com/llvm/llvm-project/pull/111010
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