[llvm] [VPlan] Replace ExtractLast(Elem|LanePerPart) with ExtractLast(Lane/Part) (PR #164124)
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Sat Dec 6 13:09:57 PST 2025
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git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlan.h llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp llvm/lib/Transforms/Vectorize/VPlanPatternMatch.h llvm/lib/Transforms/Vectorize/VPlanPredicator.cpp llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp llvm/lib/Transforms/Vectorize/VPlanUnroll.cpp llvm/unittests/Transforms/Vectorize/VPlanVerifierTest.cpp --diff_from_common_commit
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diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 6a196e5e0..320baeb45 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -4992,9 +4992,9 @@ void VPlanTransforms::updateScalarResumePhis(
if (IsFOR) {
auto *ExtractPart = MiddleBuilder.createNaryOp(
VPInstruction::ExtractLastPart, ResumeFromVectorLoop);
- ResumeFromVectorLoop =
- MiddleBuilder.createNaryOp(VPInstruction::ExtractLastLane,
- ExtractPart, DebugLoc::getUnknown(), "vector.recur.extract");
+ ResumeFromVectorLoop = MiddleBuilder.createNaryOp(
+ VPInstruction::ExtractLastLane, ExtractPart, DebugLoc::getUnknown(),
+ "vector.recur.extract");
}
ResumePhiR->setName(IsFOR ? "scalar.recur.init" : "bc.merge.rdx");
ResumePhiR->setOperand(0, ResumeFromVectorLoop);
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https://github.com/llvm/llvm-project/pull/164124
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