[clang] [Sema] Avoid repeated hash lookups (NFC) (PR #122588)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/122588.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaDecl.cpp (+2-2) 


``````````diff
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 8724c20fd7b652..5b7275c316f74a 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -15868,8 +15868,8 @@ static void diagnoseImplicitlyRetainedSelf(Sema &S) {
   llvm::DenseMap<const BlockDecl *, bool> EscapeInfo;
 
   auto IsOrNestedInEscapingBlock = [&](const BlockDecl *BD) {
-    if (EscapeInfo.count(BD))
-      return EscapeInfo[BD];
+    if (auto It = EscapeInfo.find(BD); It != EscapeInfo.end())
+      return It->second;
 
     bool R = false;
     const BlockDecl *CurBD = BD;

``````````

</details>


https://github.com/llvm/llvm-project/pull/122588