[llvm] [Support] Avoid repeated hash lookups (NFC) (PR #127747)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-support

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/127747.diff


1 Files Affected:

- (modified) llvm/include/llvm/Support/DebugCounter.h (+3-2) 


``````````diff
diff --git a/llvm/include/llvm/Support/DebugCounter.h b/llvm/include/llvm/Support/DebugCounter.h
index e4345e5739e99..8e9dc29e4f48a 100644
--- a/llvm/include/llvm/Support/DebugCounter.h
+++ b/llvm/include/llvm/Support/DebugCounter.h
@@ -162,8 +162,9 @@ class DebugCounter {
 protected:
   unsigned addCounter(const std::string &Name, const std::string &Desc) {
     unsigned Result = RegisteredCounters.insert(Name);
-    Counters[Result] = {};
-    Counters[Result].Desc = Desc;
+    auto &C = Counters[Result];
+    C = {};
+    C.Desc = Desc;
     return Result;
   }
   // Struct to store counter info.

``````````

</details>


https://github.com/llvm/llvm-project/pull/127747