diff options
| author | Dan Gohman <gohman@apple.com> | 2008-07-07 23:14:23 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-07-07 23:14:23 +0000 |
| commit | 8e5f2c6f65841542e2a7092553fe42a00048e4c7 (patch) | |
| tree | 24fe54b796f3f450ba6aff12b7357068ca66e341 /lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | 0e5f1306b059b62d7725f324e087efbc8e7a782d (diff) | |
Pool-allocation for MachineInstrs, MachineBasicBlocks, and
MachineMemOperands. The pools are owned by MachineFunctions.
This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53212 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 1d161cf6e3..7b0eaeb341 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -73,7 +73,7 @@ void LiveIntervals::releaseMemory() { // Release VNInfo memroy regions after all VNInfo objects are dtor'd. VNInfoAllocator.Reset(); for (unsigned i = 0, e = ClonedMIs.size(); i != e; ++i) - delete ClonedMIs[i]; + mf_->DeleteMachineInstr(ClonedMIs[i]); } void LiveIntervals::computeNumbering() { @@ -1562,7 +1562,7 @@ addIntervalsForSpills(const LiveInterval &li, ReMatOrigDefs[VN] = ReMatDefMI; // Original def may be modified so we have to make a copy here. vrm must // delete these! - ReMatDefs[VN] = ReMatDefMI = ReMatDefMI->clone(); + ReMatDefs[VN] = ReMatDefMI = mf_->CloneMachineInstr(ReMatDefMI); bool CanDelete = true; if (VNI->hasPHIKill) { |