[llvm] [AsmPrinter] Avoid repeated hash lookups (NFC) (PR #110376)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-debuginfo

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/110376.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp (+2-4) 


``````````diff
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 5cba2cbc241e40..a692e7aef62684 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -3406,10 +3406,8 @@ void CodeViewDebug::emitDebugInfoForGlobal(const CVGlobalVariable &CVGV) {
     OS.emitInt32(getCompleteTypeIndex(DIGV->getType()).getIndex());
     OS.AddComment("DataOffset");
 
-    uint64_t Offset = 0;
-    if (CVGlobalVariableOffsets.contains(DIGV))
-      // Use the offset seen while collecting info on globals.
-      Offset = CVGlobalVariableOffsets[DIGV];
+    // Use the offset seen while collecting info on globals.
+    uint64_t Offset = CVGlobalVariableOffsets.lookup(DIGV);
     OS.emitCOFFSecRel32(GVSym, Offset);
 
     OS.AddComment("Segment");

``````````

</details>


https://github.com/llvm/llvm-project/pull/110376