[llvm] [MC] Avoid repeated hash lookups (NFC) (PR #110791)
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Tue Oct 1 21:27:30 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-mc
Author: Kazu Hirata (kazutakahirata)
<details>
<summary>Changes</summary>
---
Full diff: https://github.com/llvm/llvm-project/pull/110791.diff
1 Files Affected:
- (modified) llvm/lib/MC/XCOFFObjectWriter.cpp (+3-2)
``````````diff
diff --git a/llvm/lib/MC/XCOFFObjectWriter.cpp b/llvm/lib/MC/XCOFFObjectWriter.cpp
index 124b31e8708842..c7f29c73eaac09 100644
--- a/llvm/lib/MC/XCOFFObjectWriter.cpp
+++ b/llvm/lib/MC/XCOFFObjectWriter.cpp
@@ -666,8 +666,9 @@ void XCOFFObjectWriter::recordRelocation(MCAssembler &Asm,
// If we could not find the symbol directly in SymbolIndexMap, this symbol
// could either be a temporary symbol or an undefined symbol. In this case,
// we would need to have the relocation reference its csect instead.
- return SymbolIndexMap.contains(Sym)
- ? SymbolIndexMap[Sym]
+ auto It = SymbolIndexMap.find(Sym);
+ return It != SymbolIndexMap.end()
+ ? It->second
: SymbolIndexMap[ContainingCsect->getQualNameSymbol()];
};
``````````
</details>
https://github.com/llvm/llvm-project/pull/110791
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