[llvm] Min and Max are associative (PR #171268)

via llvm-commits llvm-commits at lists.llvm.org
Mon Dec 8 23:05:27 PST 2025


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You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions h -- llvm/include/llvm/IR/Instruction.h --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/IR/Instruction.h b/llvm/include/llvm/IR/Instruction.h
index b37b07d15..4605ba49f 100644
--- a/llvm/include/llvm/IR/Instruction.h
+++ b/llvm/include/llvm/IR/Instruction.h
@@ -746,13 +746,13 @@ public:
   ///
   ///   Associative operators satisfy:  x op (y op z) === (x op y) op z
   ///
-  /// In LLVM, the Add, Mul, And, Or, Xor, Min and Max operators are associative.
+  /// In LLVM, the Add, Mul, And, Or, Xor, Min and Max operators are
+  /// associative.
   ///
   LLVM_ABI bool isAssociative() const LLVM_READONLY;
   static bool isAssociative(unsigned Opcode) {
-    return Opcode == And || Opcode == Or || Opcode == Xor ||
-           Opcode == Add || Opcode == Mul || Opcode == Min ||
-           Opcode == Max;
+    return Opcode == And || Opcode == Or || Opcode == Xor || Opcode == Add ||
+           Opcode == Mul || Opcode == Min || Opcode == Max;
   }
 
   /// Return true if the instruction is commutative:

``````````

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https://github.com/llvm/llvm-project/pull/171268


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