================
@@ -4148,6 +4152,30 @@ static void emitWriteback(CodeGenFunction &CGF,
assert(!isProvablyNull(srcAddr.getBasePointer()) &&
"shouldn't have writeback for provably null argument");
+ if (CGF.getLangOpts().HLSL) {
+ if (!isa<OpaqueValueExpr>(writeback.CastExpr)) {
----------------
rjmccall wrote:
You at least need a comment explaining what you're trying to do here. It looks
like you're trying to avoid potentially creating a temporary if there's no
conversion required as part of the writeback?
https://github.com/llvm/llvm-project/pull/101083
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