================
@@ -710,21 +710,23 @@ class ScalarExprEmitter : public
StmtVisitor<ScalarExprEmitter, mlir::Value> {
if (type->isHalfType() &&
!cgf.getContext().getLangOpts().NativeHalfType) {
- cgf.cgm.errorNYI(e->getSourceRange(), "Unary inc/dec half");
- return {};
+ // Another special case: half FP increment should be done via float. If
+ // the input isn't already half, it may be i16.
+ mlir::Value fp16Input =
+ builder.createBitcast(input, builder.getFp16Ty());
----------------
Lancern wrote:
When could `input` be `i16`? Could you add a test to cover such cases?
https://github.com/llvm/llvm-project/pull/193215
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