[llvm] [VPlan] Make simplifyRecipe more like InstCombine (PR #212968)
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Wed Aug 19 02:40:33 PDT 2026
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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 cpp -- llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp --diff_from_common_commit
``````````
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 8c7278618..d55060369 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1338,8 +1338,8 @@ static VPValue *simplifyRecipe(VPSingleDefRecipe *Def) {
const APInt *APC;
if (CanCreateNewRecipe && match(Def, m_URem(m_VPValue(X), m_APInt(APC))) &&
APC->isPowerOf2())
- return Builder.createAnd(
- X, Plan->getConstantInt(*APC - 1), Def->getDebugLoc());
+ return Builder.createAnd(X, Plan->getConstantInt(*APC - 1),
+ Def->getDebugLoc());
if (CanCreateNewRecipe && match(Def, m_c_Mul(m_VPValue(A), m_APInt(APC))) &&
APC->isPowerOf2()) {
``````````
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https://github.com/llvm/llvm-project/pull/212968
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