[llvm] [InstCombine] Fix a comment. (PR #79422)

via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 25 00:42:49 PST 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Mikhail Gudim (mgudim)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/79422.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp (+2-2) 


``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 8c0fd662255130..eab2c8bd8efde3 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1848,8 +1848,8 @@ Instruction *InstCombinerImpl::foldICmpAndConstant(ICmpInst &Cmp,
       auto NewPred = TrueIfNeg ? CmpInst::ICMP_EQ : CmpInst::ICMP_NE;
       return new ICmpInst(NewPred, X, ConstantInt::getNullValue(X->getType()));
     }
-    // (X & X) <  0 --> X == MinSignedC
-    // (X & X) > -1 --> X != MinSignedC
+    // (X & -X) <  0 --> X == MinSignedC
+    // (X & -X) > -1 --> X != MinSignedC
     if (match(And, m_c_And(m_Neg(m_Value(X)), m_Deferred(X)))) {
       Constant *MinSignedC = ConstantInt::get(
           X->getType(),

``````````

</details>


https://github.com/llvm/llvm-project/pull/79422


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