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| author | Evan Cheng <evan.cheng@apple.com> | 2012-03-06 02:00:52 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2012-03-06 02:00:52 +0000 |
| commit | 217a704accf1440cb745f075d8aaff44dc4744ee (patch) | |
| tree | 0f92ab2732a7bf66bf07e2157749c398c387d382 /llvm/lib/CodeGen/MachineInstrBundle.cpp | |
| parent | 6a1edd70cf55d8fec47c9aba01fbab38ce56c5f3 (diff) | |
| download | llvm-217a704accf1440cb745f075d8aaff44dc4744ee.zip llvm-217a704accf1440cb745f075d8aaff44dc4744ee.tar.gz llvm-217a704accf1440cb745f075d8aaff44dc4744ee.tar.bz2 | |
Avoid finalizeBundles infinite looping.
llvm-svn: 152089
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstrBundle.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstrBundle.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineInstrBundle.cpp b/llvm/lib/CodeGen/MachineInstrBundle.cpp index d1f2df9..73489a7 100644 --- a/llvm/lib/CodeGen/MachineInstrBundle.cpp +++ b/llvm/lib/CodeGen/MachineInstrBundle.cpp @@ -229,6 +229,8 @@ bool llvm::finalizeBundles(MachineFunction &MF) { "First instr cannot be inside bundle before finalization!"); MachineBasicBlock::instr_iterator MIE = MBB.instr_end(); + if (MII == MIE) + continue; for (++MII; MII != MIE; ) { if (!MII->isInsideBundle()) ++MII; |