[llvm] [Vectorize] Remove an unnecessary cast (NFC) (PR #155135)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/155135

getOpcode() already returns Instruction::CastOps.


>From b55c4c0c3bfb36bb6189206c1e584bc15d8949d7 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sat, 23 Aug 2025 20:09:24 -0700
Subject: [PATCH] [Vectorize] Remove an unnecessary cast (NFC)

getOpcode() already returns Instruction::CastOps.
---
 llvm/lib/Transforms/Vectorize/VectorCombine.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
index 1275d53a075b5..613dec121e016 100644
--- a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
+++ b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
@@ -2833,8 +2833,7 @@ static Value *generateNewInstTree(ArrayRef<InstLane> Item, FixedVectorType *Ty,
     return Value;
   }
   if (auto *CI = dyn_cast<CastInst>(I)) {
-    auto *Value = Builder.CreateCast((Instruction::CastOps)CI->getOpcode(),
-                                     Ops[0], DstTy);
+    auto *Value = Builder.CreateCast(CI->getOpcode(), Ops[0], DstTy);
     propagateIRFlags(Value, ValueList);
     return Value;
   }