================
@@ -5432,6 +5434,57 @@ LValue CodeGenFunction::EmitOpaqueValueLValue(const
OpaqueValueExpr *e) {
return getOrCreateOpaqueLValueMapping(e);
}
+LValue CodeGenFunction::BindHLSLOutArgExpr(const HLSLOutArgExpr *E,
+ Address OutTemp) {
+ LValue Result = MakeAddrLValue(OutTemp, E->getType());
+ OpaqueValueMappingData::bind(*this, E->getCastedTemporary(), Result);
+ return Result;
+}
+
+void CodeGenFunction::EmitHLSLOutArgExpr(const HLSLOutArgExpr *E,
+ CallArgList &Args, QualType Ty) {
+
+ // Emitting the casted temporary through an opaque value.
+ LValue BaseLV = EmitLValue(E->getArgLValue());
+ OpaqueValueMappingData::bind(*this, E->getOpaqueArgLValue(), BaseLV);
+
+ LValue TempLV;
+
+ if (E->isInOut()) {
----------------
rjmccall wrote:
We can simplify this further, I think — let's just make a temporary and then
emit the initialization into it. There's a function in CGExprAgg called
`EmitInitializationToLValue` that you can steal for the second half of that;
you'll just need to cut the dependency on `Dest.isZeroed()` by passing it in as
a flag.
https://github.com/llvm/llvm-project/pull/101083
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