================
@@ -1389,6 +1389,13 @@ class VPScalarCastRecipe : public VPSingleDefRecipe {
/// Returns the result type of the cast.
Type *getResultType() const { return ResultTy; }
+
+ bool onlyFirstLaneUsed(const VPValue *Op) const override {
+ // At the moment, only scalar codegen is implemented.
----------------
ayalz wrote:
```suggestion
// At the moment, only uniform codegen is implemented.
```
?
scalar codegen in general may use other lanes.
Can this improvement of onlyFirstLaneUsed() be pushed independently?
https://github.com/llvm/llvm-project/pull/80271
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