[llvm] [SCEV] Try to re-use existing LCSSA phis when expanding SCEVAddRecExpr. (PR #147214)

Nikita Popov via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 7 06:42:26 PDT 2025


================
@@ -1262,6 +1280,11 @@ Value *SCEVExpander::visitAddRecExpr(const SCEVAddRecExpr *S) {
     return V;
   }
 
+  // If there S is expanded outside the defining loop, check if there is a
----------------
nikic wrote:

```suggestion
  // If S is expanded outside the defining loop, check if there is a
```

https://github.com/llvm/llvm-project/pull/147214


More information about the llvm-commits mailing list