From b9efffa7e9d01395ebd4ddbb7d0ecb02e017c76e Mon Sep 17 00:00:00 2001
From: Florian Hahn <flo@fhahn.com>
Date: Wed, 3 May 2023 19:51:09 +0100
Subject: [PATCH] [VPlan] Add assignSlot(const VPBasicBlock *) (NFC).

Factor out utility to simplify D147964 as sugested.
---
 llvm/lib/Transforms/Vectorize/VPlan.cpp    | 10 +++++++---
 llvm/lib/Transforms/Vectorize/VPlanValue.h |  1 +
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/VPlan.cpp b/llvm/lib/Transforms/Vectorize/VPlan.cpp
index 9e8ce60d2d9b..563421e398d0 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlan.cpp
@@ -1116,9 +1116,13 @@ void VPSlotTracker::assignSlots(const VPlan &Plan) {
       RPOT(VPBlockDeepTraversalWrapper<const VPBlockBase *>(Plan.getEntry()));
   for (const VPBasicBlock *VPBB :
        VPBlockUtils::blocksOnly<const VPBasicBlock>(RPOT))
-    for (const VPRecipeBase &Recipe : *VPBB)
-      for (VPValue *Def : Recipe.definedValues())
-        assignSlot(Def);
+    assignSlots(VPBB);
+}
+
+void VPSlotTracker::assignSlots(const VPBasicBlock *VPBB) {
+  for (const VPRecipeBase &Recipe : *VPBB)
+    for (VPValue *Def : Recipe.definedValues())
+      assignSlot(Def);
 }
 
 bool vputils::onlyFirstLaneUsed(VPValue *Def) {
diff --git a/llvm/lib/Transforms/Vectorize/VPlanValue.h b/llvm/lib/Transforms/Vectorize/VPlanValue.h
index e861553cb56e..c1a30133a0f8 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanValue.h
+++ b/llvm/lib/Transforms/Vectorize/VPlanValue.h
@@ -440,6 +440,7 @@ class VPSlotTracker {
 
   void assignSlot(const VPValue *V);
   void assignSlots(const VPlan &Plan);
+  void assignSlots(const VPBasicBlock *VPBB);
 
 public:
   VPSlotTracker(const VPlan *Plan = nullptr) {