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| author | Kazu Hirata <kazu@google.com> | 2025-03-12 08:49:35 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-03-12 08:49:35 -0700 |
| commit | 2620742bf61e8ad5fdc6b245bee31ec341ef46b4 (patch) | |
| tree | 255ee816f9ffe14ca0c1c910c6eab15fcf1a12df /llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp | |
| parent | a3b0189f6daa7074a6560609b2ac0c2c1fd509f9 (diff) | |
| download | llvm-2620742bf61e8ad5fdc6b245bee31ec341ef46b4.zip llvm-2620742bf61e8ad5fdc6b245bee31ec341ef46b4.tar.gz llvm-2620742bf61e8ad5fdc6b245bee31ec341ef46b4.tar.bz2 | |
[Utils] Avoid repeated hash lookups (NFC) (#130892)
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 054b0ba..8470f033 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp @@ -400,9 +400,10 @@ llvm::UnrollAndJamLoop(Loop *L, unsigned Count, unsigned TripCount, Last = New; for (ValueToValueMapTy::iterator VI = VMap.begin(), VE = VMap.end(); VI != VE; ++VI) { + auto &LVM = LastValueMap[VI->first]; PrevItValueMap[VI->second] = - const_cast<Value *>(It == 1 ? VI->first : LastValueMap[VI->first]); - LastValueMap[VI->first] = VI->second; + const_cast<Value *>(It == 1 ? VI->first : LVM); + LVM = VI->second; } NewBlocks.push_back(New); |