[llvm] [VPlan] Use IsaPred to improve code (NFC) (PR #156037)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon created https://github.com/llvm/llvm-project/pull/156037

None

>From ed2dc4cbc38900303f4c5c3d34ef76e49aaa4ed4 Mon Sep 17 00:00:00 2001
From: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
Date: Fri, 29 Aug 2025 15:42:13 +0100
Subject: [PATCH] [VPlan] Use IsaPred to improve code (NFC)

---
 llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index d32d2a9ad11f7..35d96b785d379 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -2077,12 +2077,10 @@ static VPActiveLaneMaskPHIRecipe *addVPLaneMaskPhiAndUpdateExitBranch(
 /// for the header-mask pattern manually.
 static VPSingleDefRecipe *findHeaderMask(VPlan &Plan) {
   SmallVector<VPValue *> WideCanonicalIVs;
-  auto *FoundWidenCanonicalIVUser =
-      find_if(Plan.getCanonicalIV()->users(),
-              [](VPUser *U) { return isa<VPWidenCanonicalIVRecipe>(U); });
+  auto *FoundWidenCanonicalIVUser = find_if(Plan.getCanonicalIV()->users(),
+                                            IsaPred<VPWidenCanonicalIVRecipe>);
   assert(count_if(Plan.getCanonicalIV()->users(),
-                  [](VPUser *U) { return isa<VPWidenCanonicalIVRecipe>(U); }) <=
-             1 &&
+                  IsaPred<VPWidenCanonicalIVRecipe>) <= 1 &&
          "Must have at most one VPWideCanonicalIVRecipe");
   if (FoundWidenCanonicalIVUser != Plan.getCanonicalIV()->users().end()) {
     auto *WideCanonicalIV =
@@ -2125,9 +2123,8 @@ void VPlanTransforms::addActiveLaneMask(
          "DataAndControlFlowWithoutRuntimeCheck implies "
          "UseActiveLaneMaskForControlFlow");
 
-  auto *FoundWidenCanonicalIVUser =
-      find_if(Plan.getCanonicalIV()->users(),
-              [](VPUser *U) { return isa<VPWidenCanonicalIVRecipe>(U); });
+  auto *FoundWidenCanonicalIVUser = find_if(Plan.getCanonicalIV()->users(),
+                                            IsaPred<VPWidenCanonicalIVRecipe>);
   assert(FoundWidenCanonicalIVUser &&
          "Must have widened canonical IV when tail folding!");
   VPSingleDefRecipe *HeaderMask = findHeaderMask(Plan);