[llvm] 21cca5e - [VPlan] Rely on VPlan opts to simplify multiply by 1 (NFCI).

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2025-08-21T18:43:47+01:00
New Revision: 21cca5ea9d13ff791a7982a2a8edb4a56ef4674e

URL: https://github.com/llvm/llvm-project/commit/21cca5ea9d13ff791a7982a2a8edb4a56ef4674e
DIFF: https://github.com/llvm/llvm-project/commit/21cca5ea9d13ff791a7982a2a8edb4a56ef4674e.diff

LOG: [VPlan] Rely on VPlan opts to simplify multiply by 1 (NFCI).

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index 3a097645cd661..feea725f79ae1 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -3455,9 +3455,7 @@ void VPlanTransforms::materializeVFAndVFxUF(VPlan &Plan, VPBasicBlock *VectorPH,
   VF.replaceAllUsesWith(RuntimeVF);
 
   VPValue *UF = Plan.getOrAddLiveIn(ConstantInt::get(TCTy, Plan.getUF()));
-  VPValue *MulByUF = Plan.getUF() == 1 ? RuntimeVF
-                                       : Builder.createNaryOp(Instruction::Mul,
-                                                              {RuntimeVF, UF});
+  VPValue *MulByUF = Builder.createNaryOp(Instruction::Mul, {RuntimeVF, UF});
   VFxUF.replaceAllUsesWith(MulByUF);
 }