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| author | Kazu Hirata <kazu@google.com> | 2025-04-14 01:03:06 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-04-14 01:03:06 -0700 |
| commit | ebd1667059e7b2865a8e419a21df4d4c9735869c (patch) | |
| tree | 779cdb98e39f6731a98fff5792e5b38bed025c40 /llvm/lib/CodeGen/MachineBlockPlacement.cpp | |
| parent | 97bc9137e545423334b00d60ab64855ccc434c3a (diff) | |
| download | llvm-ebd1667059e7b2865a8e419a21df4d4c9735869c.zip llvm-ebd1667059e7b2865a8e419a21df4d4c9735869c.tar.gz llvm-ebd1667059e7b2865a8e419a21df4d4c9735869c.tar.bz2 | |
[CodeGen] Avoid repeated hash lookups (NFC) (#135584)
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index 40edc47..47213ed 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -1132,11 +1132,13 @@ MachineBlockPlacement::getBestTrellisSuccessor( for (auto *Succ : ViableSuccs) { for (MachineBasicBlock *SuccPred : Succ->predecessors()) { // Skip any placed predecessors that are not BB - if (SuccPred != BB) - if ((BlockFilter && !BlockFilter->count(SuccPred)) || - BlockToChain[SuccPred] == &Chain || - BlockToChain[SuccPred] == BlockToChain[Succ]) + if (SuccPred != BB) { + if (BlockFilter && !BlockFilter->count(SuccPred)) continue; + const BlockChain *SuccPredChain = BlockToChain[SuccPred]; + if (SuccPredChain == &Chain || SuccPredChain == BlockToChain[Succ]) + continue; + } BlockFrequency EdgeFreq = MBFI->getBlockFreq(SuccPred) * MBPI->getEdgeProbability(SuccPred, Succ); Edges[SuccIndex].push_back({EdgeFreq, SuccPred, Succ}); |