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| author | Kazu Hirata <kazu@google.com> | 2025-02-14 01:34:54 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-02-14 01:34:54 -0800 |
| commit | 606ff7ea9b29f93e536b13c83dc24de6b8a4e8cd (patch) | |
| tree | 5dd8c7b9f55e50aff99cb163f85e65572980a19a /llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp | |
| parent | 6f5ca9bb3cc9595cdd92f42119358d5004fd1ce7 (diff) | |
| download | llvm-606ff7ea9b29f93e536b13c83dc24de6b8a4e8cd.zip llvm-606ff7ea9b29f93e536b13c83dc24de6b8a4e8cd.tar.gz llvm-606ff7ea9b29f93e536b13c83dc24de6b8a4e8cd.tar.bz2 | |
[Utils] Avoid repeated hash lookups (NFC) (#127171)
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp index 89cfee2..054b0ba 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp @@ -395,8 +395,9 @@ llvm::UnrollAndJamLoop(Loop *L, unsigned Count, unsigned TripCount, } // Update our running maps of newest clones - PrevItValueMap[New] = (It == 1 ? *BB : LastValueMap[*BB]); - LastValueMap[*BB] = New; + auto &Last = LastValueMap[*BB]; + PrevItValueMap[New] = (It == 1 ? *BB : Last); + Last = New; for (ValueToValueMapTy::iterator VI = VMap.begin(), VE = VMap.end(); VI != VE; ++VI) { PrevItValueMap[VI->second] = |