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author | Kazu Hirata <kazu@google.com> | 2024-09-06 07:40:51 -0700 |
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committer | GitHub <noreply@github.com> | 2024-09-06 07:40:51 -0700 |
commit | 2461bc1c7ad5a78f39f75c6e99acf502b83401d2 (patch) | |
tree | 77228d2874ec172f2ff9a12bec18f66addb34697 | |
parent | bd1559533d88f0d32b7ca17aa316b07b7924be2d (diff) | |
download | llvm-2461bc1c7ad5a78f39f75c6e99acf502b83401d2.zip llvm-2461bc1c7ad5a78f39f75c6e99acf502b83401d2.tar.gz llvm-2461bc1c7ad5a78f39f75c6e99acf502b83401d2.tar.bz2 |
[Convergence] Avoid repeated hash lookups (NFC) (#107515)
-rw-r--r-- | llvm/include/llvm/IR/GenericConvergenceVerifierImpl.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/include/llvm/IR/GenericConvergenceVerifierImpl.h b/llvm/include/llvm/IR/GenericConvergenceVerifierImpl.h index 7525c9e..e076ac4 100644 --- a/llvm/include/llvm/IR/GenericConvergenceVerifierImpl.h +++ b/llvm/include/llvm/IR/GenericConvergenceVerifierImpl.h @@ -210,11 +210,10 @@ void GenericConvergenceVerifier<ContextT>::verify(const DominatorTreeT &DT) { // Propagate token liveness for (auto *Succ : successors(BB)) { auto *SuccNode = DT.getNode(Succ); - auto LTIt = LiveTokenMap.find(Succ); - if (LTIt == LiveTokenMap.end()) { + auto [LTIt, Inserted] = LiveTokenMap.try_emplace(Succ); + if (Inserted) { // We're the first predecessor: all tokens which dominate the // successor are live for now. - LTIt = LiveTokenMap.try_emplace(Succ).first; for (auto LiveToken : LiveTokens) { if (!DT.dominates(DT.getNode(LiveToken->getParent()), SuccNode)) break; |