================
@@ -2422,9 +2422,27 @@ static Value *EmitHLSLElementwiseCast(CodeGenFunction
&CGF, LValue SrcVal,
}
return V;
}
+ if (auto *MatTy = DestTy->getAs<ConstantMatrixType>()) {
+ assert(LoadList.size() >= MatTy->getNumElementsFlattened() &&
+ "Flattened type on RHS must have the same number or more elements "
+ "than vector on LHS.");
+ llvm::Value *V =
+ CGF.Builder.CreateLoad(CGF.CreateIRTemp(DestTy, "flatcast.tmp"));
+ // write to V.
+ for (unsigned I = 0, E = MatTy->getNumElementsFlattened(); I < E; I++) {
+ RValue RVal = CGF.EmitLoadOfLValue(LoadList[I], Loc);
----------------
farzonl wrote:
This code will just impact the elementwise casts not the tests you have, but
yeah This should just be a matter of chaging `CK_HLSLMatrixTruncation` in
`VisitCastExpr `to not do `getNumElementsFlattened()` and instead generate the
index I.
https://github.com/llvm/llvm-project/pull/168915
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