================
@@ -1147,6 +1154,26 @@ void SemaHLSL::handleSV_DispatchThreadIDAttr(Decl *D,
const ParsedAttr &AL) {
HLSLSV_DispatchThreadIDAttr(getASTContext(), AL));
}
+bool SemaHLSL::diagnosePositionType(QualType T, const ParsedAttr &AL) {
+ const auto *VT = T->getAs<VectorType>();
+
+ if (!T->hasFloatingRepresentation() || (VT && VT->getNumElements() > 4)) {
+ Diag(AL.getLoc(), diag::err_hlsl_attr_invalid_type)
+ << AL << "float/float1/float2/float3";
----------------
farzonl wrote:
could we use `VT->getNumElements()` as an argument so we don't have to define
each float vector and instead use language to indicate the range.
https://github.com/llvm/llvm-project/pull/141759
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