[llvm-branch-commits] [llvm] [VPlan] Start implementing VPlan-based stride multiversioning (PR #182595)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlan.h llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.h llvm/lib/Transforms/Vectorize/VPlanUtils.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
index 189dcf121..0063159fa 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
@@ -384,7 +384,8 @@ public:
 
   VPExpandStridePredicatesRecipe *
   createExpandSCEVPredicate(const SCEVUnionPredicate &StridePredicates) {
-    return tryInsertInstruction(new VPExpandStridePredicatesRecipe(StridePredicates));
+    return tryInsertInstruction(
+        new VPExpandStridePredicatesRecipe(StridePredicates));
   }
 
   //===--------------------------------------------------------------------===//
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 86d98ce58..d1fe7966c 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -10224,8 +10224,7 @@ void VPlanTransforms::multiversionForUnitStridedMemOps(
   VPBasicBlock *Entry = Plan.getEntry();
   VPBuilder Builder(Entry);
 
-  auto *Pred =
-      Builder.createExpandSCEVPredicate(StridePredicates);
+  auto *Pred = Builder.createExpandSCEVPredicate(StridePredicates);
 
   auto *StridesCheckBB = Plan.createVPBasicBlock("strides.check");
   VPBlockBase *ScalarPH = Plan.getScalarPreheader();
diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index 695bc7758..24340d05e 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -4509,8 +4509,8 @@ void VPExpandSCEVRecipe::printRecipe(raw_ostream &O, const Twine &Indent,
   O << " = EXPAND SCEV " << *Expr;
 }
 
-void VPExpandStridePredicatesRecipe::printRecipe(raw_ostream &O, const Twine &Indent,
-                                     VPSlotTracker &SlotTracker) const {
+void VPExpandStridePredicatesRecipe::printRecipe(
+    raw_ostream &O, const Twine &Indent, VPSlotTracker &SlotTracker) const {
   O << Indent << "EMIT ";
   printAsOperand(O, SlotTracker);
   O << " = EXPAND SCEVPredicate " << StridePredicates;
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.h b/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
index ddc31659b..99b8b489f 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
@@ -490,8 +490,9 @@ struct VPlanTransforms {
 
   /// \p MemOps must be updated to contain ones that haven't been processed by
   /// the pass.
-  static void multiversionForUnitStridedMemOps(VPlan &Plan, VPCostContext &CostCtx,
-                                 SmallVectorImpl<VPInstruction *> &MemOps);
+  static void
+  multiversionForUnitStridedMemOps(VPlan &Plan, VPCostContext &CostCtx,
+                                   SmallVectorImpl<VPInstruction *> &MemOps);
 };
 
 } // namespace llvm

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https://github.com/llvm/llvm-project/pull/182595