[llvm] [InstCombine] Fold `(icmp eq/ne (or (select cond, 0/NZ, 0/NZ), X), 0)` (PR #88183)
Yingwei Zheng via llvm-commits
llvm-commits at lists.llvm.org
Fri May 10 18:50:21 PDT 2024
================
@@ -3483,6 +3483,56 @@ Instruction *InstCombinerImpl::foldICmpBinOpEqualityWithConstant(
Value *And = Builder.CreateAnd(BOp0, NotBOC);
return new ICmpInst(Pred, And, NotBOC);
}
+ // (icmp eq (or (select cond, 0, NonZero), Other))
----------------
dtcxzyw wrote:
```suggestion
// (icmp eq (or (select cond, 0, NonZero), Other), 0)
```
https://github.com/llvm/llvm-project/pull/88183
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