[llvm] [llvm][GVN] Propagate `trunc nuw to i1` equalities (PR #143273)

via llvm-commits llvm-commits at lists.llvm.org
Sat Jun 7 23:44:15 PDT 2025


github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Transforms/Scalar/GVN.cpp
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index ff5da64f3..eed7028c9 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -2586,8 +2586,8 @@ bool GVNPass::propagateEquality(Value *LHS, Value *RHS,
     if (auto *Trunc = dyn_cast<TruncInst>(LHS)) {
       if (Trunc->hasNoUnsignedWrap() && Trunc->getType()->isIntegerTy(1)) {
         Value *Input = Trunc->getOperand(0);
-        Worklist.push_back({Input,
-                            ConstantInt::get(Input->getType(), IsKnownTrue)});
+        Worklist.push_back(
+            {Input, ConstantInt::get(Input->getType(), IsKnownTrue)});
       }
     }
   }

``````````

</details>


https://github.com/llvm/llvm-project/pull/143273


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