[llvm] [VPlan] Enhance VPlan-based LICM using argument noalias attributes (PR #217238)

via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 19 02:01:30 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp llvm/lib/Transforms/Vectorize/VPlanUtils.cpp llvm/lib/Transforms/Vectorize/VPlanUtils.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/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 324d9e858..ff5fb46fc 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -260,10 +260,10 @@ static VPValue *getAddressOperand(VPRecipeBase &R) {
 
 static bool isNoAliasViaUnderlyingObject(VPValue *PtrA, VPValue *PtrB,
                                          VPlan *Plan) {
-  auto *ObjA = dyn_cast_if_present<VPIRValue>(
-      vputils::getUnderlyingObject(PtrA, Plan));
-  auto *ObjB = dyn_cast_if_present<VPIRValue>(
-      vputils::getUnderlyingObject(PtrB, Plan));
+  auto *ObjA =
+      dyn_cast_if_present<VPIRValue>(vputils::getUnderlyingObject(PtrA, Plan));
+  auto *ObjB =
+      dyn_cast_if_present<VPIRValue>(vputils::getUnderlyingObject(PtrB, Plan));
   if (!ObjA || !ObjB || ObjA == ObjB)
     return false;
   Value *ValA = ObjA->getValue();

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https://github.com/llvm/llvm-project/pull/217238


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