================
@@ -2414,9 +2420,41 @@ Value *ScalarExprEmitter::VisitCastExpr(CastExpr *CE) {
return EmitScalarConversion(Visit(E), E->getType(), DestTy,
CE->getExprLoc(), Opts);
}
- case CK_IntegralToFloating:
- case CK_FloatingToIntegral:
- case CK_FloatingCast:
+ case CK_IntegralToFloating: {
+ if (E->getType()->isExtVectorType() && DestTy->isExtVectorType()) {
+ QualType SrcElTy = E->getType()->castAs<VectorType>()->getElementType();
+ if (SrcElTy->isSignedIntegerOrEnumerationType())
+ return Builder.CreateSIToFP(Visit(E), ConvertType(DestTy), "conv");
+ return Builder.CreateUIToFP(Visit(E), ConvertType(DestTy), "conv");
+ }
+ CodeGenFunction::CGFPOptionsRAII FPOptsRAII(CGF, CE);
+ return EmitScalarConversion(Visit(E), E->getType(), DestTy,
+ CE->getExprLoc());
+ }
+ case CK_FloatingToIntegral: {
+ if (E->getType()->isExtVectorType() && DestTy->isExtVectorType()) {
+ QualType DstElTy = DestTy->castAs<VectorType>()->getElementType();
+ if (DstElTy->isSignedIntegerOrEnumerationType())
+ return Builder.CreateFPToSI(Visit(E), ConvertType(DestTy), "conv");
+ return Builder.CreateFPToUI(Visit(E), ConvertType(DestTy), "conv");
+ }
+ CodeGenFunction::CGFPOptionsRAII FPOptsRAII(CGF, CE);
+ return EmitScalarConversion(Visit(E), E->getType(), DestTy,
+ CE->getExprLoc());
+ }
+ case CK_FloatingCast: {
+ if (E->getType()->isExtVectorType() && DestTy->isExtVectorType()) {
+ QualType SrcElTy = E->getType()->castAs<VectorType>()->getElementType();
+ QualType DstElTy = DestTy->castAs<VectorType>()->getElementType();
+ if (DstElTy->castAs<BuiltinType>()->getKind() <
+ SrcElTy->castAs<BuiltinType>()->getKind())
+ return Builder.CreateFPTrunc(Visit(E), ConvertType(DestTy), "conv");
+ return Builder.CreateFPExt(Visit(E), ConvertType(DestTy), "conv");
+ }
+ CodeGenFunction::CGFPOptionsRAII FPOptsRAII(CGF, CE);
+ return EmitScalarConversion(Visit(E), E->getType(), DestTy,
+ CE->getExprLoc());
+ }
----------------
llvm-beanz wrote:
Will do. HLSL doesn't support constrained FP intrinsics (yet), but may
eventually.
https://github.com/llvm/llvm-project/pull/71098
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