[InstCombine] Fix comment typo that incorrectly described fold (NFC)

[AZero13]

icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X != -1, not X != 0 && X == -1, which would go to X == -1 anyway.

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: AZero13 (AZero13)

Changes

icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X != -1, not X != 0 && X == -1, which would go to X == -1 anyway.

---

Full diff: https://github.com/llvm/llvm-project/pull/141105.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp (+1-1)

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 00b0f05f18f03..bdc7a49700cfc 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -7078,7 +7078,7 @@ Instruction *InstCombinerImpl::foldICmpUsingBoolRange(ICmpInst &I) {
         // icmp eq X, (zext (icmp ne X, 0)) --> X == 0 || X == 1
         // icmp ne X, (zext (icmp ne X, 0)) --> X != 0 && X != 1
         // icmp eq X, (sext (icmp ne X, 0)) --> X == 0 || X == -1
-        // icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X == -1
+        // icmp ne X, (sext (icmp ne X, 0)) --> X != 0 && X != -1
         return CreateRangeCheck();
       }
     } else if (IsSExt ? C->isAllOnes() : C->isOne()) {

[AZero13]

@arsenm I cannot merge. Can you please do this?