[llvm] [Scalar] Avoid repeated hash lookups (NFC) (PR #129989)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/129989

None

>From 862b1587f83f5729c34ab15549826a1d4e8ebc5b Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Wed, 5 Mar 2025 09:03:50 -0800
Subject: [PATCH] [Scalar] Avoid repeated hash lookups (NFC)

---
 llvm/lib/Transforms/Scalar/GuardWidening.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/GuardWidening.cpp b/llvm/lib/Transforms/Scalar/GuardWidening.cpp
index 2978b7990a6eb..3ba5b79293bcd 100644
--- a/llvm/lib/Transforms/Scalar/GuardWidening.cpp
+++ b/llvm/lib/Transforms/Scalar/GuardWidening.cpp
@@ -665,8 +665,8 @@ Value *GuardWideningImpl::freezeAndPush(Value *Orig,
       CacheOfFreezes[Def] = FI;
     }
 
-    if (CacheOfFreezes.count(Def))
-      U.set(CacheOfFreezes[Def]);
+    if (auto It = CacheOfFreezes.find(Def); It != CacheOfFreezes.end())
+      U.set(It->second);
     return true;
   };