[llvm] [IPO] Avoid repeated hash lookups (NFC) (PR #127957)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/127957.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/IPO/PartialInlining.cpp (+6-3) 


``````````diff
diff --git a/llvm/lib/Transforms/IPO/PartialInlining.cpp b/llvm/lib/Transforms/IPO/PartialInlining.cpp
index f2707afe195c4..56b7b8bfe1f66 100644
--- a/llvm/lib/Transforms/IPO/PartialInlining.cpp
+++ b/llvm/lib/Transforms/IPO/PartialInlining.cpp
@@ -1393,9 +1393,12 @@ bool PartialInlinerImpl::tryPartialInline(FunctionCloner &Cloner) {
     CallerORE.emit(OR);
 
     // Now update the entry count:
-    if (CalleeEntryCountV && CallSiteToProfCountMap.count(User)) {
-      uint64_t CallSiteCount = CallSiteToProfCountMap[User];
-      CalleeEntryCountV -= std::min(CalleeEntryCountV, CallSiteCount);
+    if (CalleeEntryCountV) {
+      if (auto It = CallSiteToProfCountMap.find(User);
+          It != CallSiteToProfCountMap.end()) {
+        uint64_t CallSiteCount = It->second;
+        CalleeEntryCountV -= std::min(CalleeEntryCountV, CallSiteCount);
+      }
     }
 
     AnyInline = true;

``````````

</details>


https://github.com/llvm/llvm-project/pull/127957