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| author | Han Shen <shenhan@google.com> | 2020-10-22 17:26:01 -0700 |
|---|---|---|
| committer | Han Shen <shenhan@google.com> | 2020-10-22 17:31:01 -0700 |
| commit | e42f6c0ac05bae37be8e2a5fd8861773646eae1b (patch) | |
| tree | c5e8b47ebe994fbc58d52adb93216aea0242dcd4 /llvm/lib/CodeGen/MachineBlockPlacement.cpp | |
| parent | af189c8ab113668434eae5c71f174613a9e64625 (diff) | |
| download | llvm-e42f6c0ac05bae37be8e2a5fd8861773646eae1b.zip llvm-e42f6c0ac05bae37be8e2a5fd8861773646eae1b.tar.gz llvm-e42f6c0ac05bae37be8e2a5fd8861773646eae1b.tar.bz2 | |
Revert "[MBP] Add whole chain to BlockFilterSet instead of individual BB"
This reverts commit adfb5415010fbbc009a4a6298cfda7a6ed4fa6d4.
This is reverted because it caused an chrome error: https://crbug.com/1140168
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index b4244bb..8a86696 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -2541,14 +2541,10 @@ MachineBlockPlacement::collectLoopBlockSet(const MachineLoop &L) { MBPI->getEdgeProbability(LoopPred, L.getHeader()); for (MachineBasicBlock *LoopBB : L.getBlocks()) { - if (LoopBlockSet.count(LoopBB)) - continue; auto Freq = MBFI->getBlockFreq(LoopBB).getFrequency(); if (Freq == 0 || LoopFreq.getFrequency() / Freq > LoopToColdBlockRatio) continue; - BlockChain *Chain = BlockToChain[LoopBB]; - for (MachineBasicBlock *ChainBB : *Chain) - LoopBlockSet.insert(ChainBB); + LoopBlockSet.insert(LoopBB); } } else LoopBlockSet.insert(L.block_begin(), L.block_end()); |