[llvm] 17b4be8 - [VPlan] Move setting name and adding VFs after recipe creation.(NFC)

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2025-03-17T12:04:09Z
New Revision: 17b4be8f63a9a2c17290c8540d84f17a370b1915

URL: https://github.com/llvm/llvm-project/commit/17b4be8f63a9a2c17290c8540d84f17a370b1915
DIFF: https://github.com/llvm/llvm-project/commit/17b4be8f63a9a2c17290c8540d84f17a370b1915.diff

LOG: [VPlan] Move setting name and adding VFs after recipe creation.(NFC)

Recipe creation is the only place where the VF range is restricted. Move
setting the VFs just after initial recipe creation.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 08e125eca591e..b26b36f91a393 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -9494,6 +9494,10 @@ LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(VFRange &Range) {
          "entry block must be set to a VPRegionBlock having a non-empty entry "
          "VPBasicBlock");
 
+  for (ElementCount VF : Range)
+    Plan->addVF(VF);
+  Plan->setName("Initial VPlan");
+
   // Update wide induction increments to use the same step as the corresponding
   // wide induction. This enables detecting induction increments directly in
   // VPlan and removes redundant splats.
@@ -9536,10 +9540,6 @@ LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(VFRange &Range) {
                            InterleaveGroups, RecipeBuilder,
                            CM.isScalarEpilogueAllowed());
 
-  for (ElementCount VF : Range)
-    Plan->addVF(VF);
-  Plan->setName("Initial VPlan");
-
   // Replace VPValues for known constant strides guaranteed by predicate scalar
   // evolution.
   auto CanUseVersionedStride = [&Plan](VPUser &U, unsigned) {