[llvm] [PowerPC] Avoid repeated hash lookups (NFC) (PR #130390)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/130390

None

>From 30b0d360308dee7254005bcbab6685c69399b19d Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Fri, 7 Mar 2025 01:04:09 -0800
Subject: [PATCH] [PowerPC] Avoid repeated hash lookups (NFC)

---
 llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp b/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
index 0930206c0ae9b..a86da814f10e9 100644
--- a/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
+++ b/llvm/lib/Target/PowerPC/PPCBoolRetToInt.cpp
@@ -241,9 +241,11 @@ class PPCBoolRetToInt : public FunctionPass {
       ++NumBoolCallPromotion;
     ++NumBoolToIntPromotion;
 
-    for (Value *V : Defs)
-      if (!BoolToIntMap.count(V))
-        BoolToIntMap[V] = translate(V);
+    for (Value *V : Defs) {
+      auto [It, Inserted] = BoolToIntMap.try_emplace(V);
+      if (Inserted)
+        It->second = translate(V);
+    }
 
     // Replace the operands of the translated instructions. They were set to
     // zero in the translate function.