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| author | Kazu Hirata <kazu@google.com> | 2024-11-07 10:55:23 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-07 10:55:23 -0800 |
| commit | 1ae5ecca4afb5134899d79e446afd0296d1ed5ef (patch) | |
| tree | 44ec85cd000f79990999fb1adc695e82ff6c32c2 /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 937e5069a740837ea3cb466df8e75a53f6d48254 (diff) | |
| download | llvm-1ae5ecca4afb5134899d79e446afd0296d1ed5ef.zip llvm-1ae5ecca4afb5134899d79e446afd0296d1ed5ef.tar.gz llvm-1ae5ecca4afb5134899d79e446afd0296d1ed5ef.tar.bz2 | |
[Utils] Avoid repeated hash lookups (NFC) (#115262)
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 47a7049..768765b 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -2178,11 +2178,9 @@ void llvm::insertDebugValuesForPHIs(BasicBlock *BB, auto V = DbgValueMap.find(VI); if (V != DbgValueMap.end()) { auto *DbgII = cast<DbgVariableIntrinsic>(V->second); - auto NewDI = NewDbgValueMap.find({Parent, DbgII}); - if (NewDI == NewDbgValueMap.end()) { - auto *NewDbgII = cast<DbgVariableIntrinsic>(DbgII->clone()); - NewDI = NewDbgValueMap.insert({{Parent, DbgII}, NewDbgII}).first; - } + auto [NewDI, Inserted] = NewDbgValueMap.try_emplace({Parent, DbgII}); + if (Inserted) + NewDI->second = cast<DbgVariableIntrinsic>(DbgII->clone()); DbgVariableIntrinsic *NewDbgII = NewDI->second; // If PHI contains VI as an operand more than once, we may // replaced it in NewDbgII; confirm that it is present. |