[llvm] [IPO] Avoid repeated hash lookups (NFC) (PR #108796)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/108796

None

>From 1563956ecbb7a7abc768043052ed3e1824f7c28e Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sun, 15 Sep 2024 01:32:48 -0700
Subject: [PATCH] [IPO] Avoid repeated hash lookups (NFC)

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

diff --git a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
index cd94661bbe07f7..28da864cad0ffc 100644
--- a/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
+++ b/llvm/lib/Transforms/IPO/OpenMPOpt.cpp
@@ -2364,8 +2364,8 @@ struct AAICVTrackerFunction : public AAICVTracker {
       /// TODO: Figure out a way to avoid adding entry in
       /// ICVReplacementValuesMap
       Instruction *Entry = &F->getEntryBlock().front();
-      if (HasChanged == ChangeStatus::CHANGED && !ValuesMap.count(Entry))
-        ValuesMap.insert(std::make_pair(Entry, nullptr));
+      if (HasChanged == ChangeStatus::CHANGED)
+        ValuesMap.try_emplace(Entry);
     }
 
     return HasChanged;