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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-15 22:04:42 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-09-15 22:04:42 +0000 |
| commit | 7d6052687e847a1d5d5d51efa571f39adb65ca2e (patch) | |
| tree | a0eef05a4d866a75fd1e302ee36673544d1c7a18 /llvm/lib/CodeGen/MachineLICM.cpp | |
| parent | ac511cac7779ac44cf23a780b000e6734b05bd17 (diff) | |
| download | bcm5719-llvm-7d6052687e847a1d5d5d51efa571f39adb65ca2e.tar.gz bcm5719-llvm-7d6052687e847a1d5d5d51efa571f39adb65ca2e.zip | |
Replace some unnecessary vector copies with references.
llvm-svn: 190770
Diffstat (limited to 'llvm/lib/CodeGen/MachineLICM.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineLICM.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp index 596b7a3ada9..104eacdb96e 100644 --- a/llvm/lib/CodeGen/MachineLICM.cpp +++ b/llvm/lib/CodeGen/MachineLICM.cpp @@ -502,7 +502,7 @@ void MachineLICM::HoistRegionPostRA() { // Walk the entire region, count number of defs for each register, and // collect potential LICM candidates. - const std::vector<MachineBasicBlock*> Blocks = CurLoop->getBlocks(); + const std::vector<MachineBasicBlock *> &Blocks = CurLoop->getBlocks(); for (unsigned i = 0, e = Blocks.size(); i != e; ++i) { MachineBasicBlock *BB = Blocks[i]; @@ -584,7 +584,7 @@ void MachineLICM::HoistRegionPostRA() { /// AddToLiveIns - Add register 'Reg' to the livein sets of BBs in the current /// loop, and make sure it is not killed by any instructions in the loop. void MachineLICM::AddToLiveIns(unsigned Reg) { - const std::vector<MachineBasicBlock*> Blocks = CurLoop->getBlocks(); + const std::vector<MachineBasicBlock *> &Blocks = CurLoop->getBlocks(); for (unsigned i = 0, e = Blocks.size(); i != e; ++i) { MachineBasicBlock *BB = Blocks[i]; if (!BB->isLiveIn(Reg)) |
