[llvm] eaf911b - [InstCombine] Fix comment typo that incorrectly described fold (NFC) (#141105)

[via llvm-commits]

Author: AZero13
Date: 2025-05-22T20:28:45+02:00
New Revision: eaf911bb98509e47b35376ffbc800dca6c803793

URL: https://github.com/llvm/llvm-project/commit/eaf911bb98509e47b35376ffbc800dca6c803793
DIFF: https://github.com/llvm/llvm-project/commit/eaf911bb98509e47b35376ffbc800dca6c803793.diff

LOG: [InstCombine] Fix comment typo that incorrectly described fold (NFC) (#141105)

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

Added: 
    

Modified: 
    llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

Removed: 
    


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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()) {