diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2015-07-05 14:21:36 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-07-05 14:21:36 +0000 |
| commit | 1a82d4c088707c791c792f6822f611b47a12bdfe (patch) | |
| tree | 7c411f9b5d807f7f204fdd16965d8925a82b6d18 /lib/Target/PowerPC/PPCInstrInfo.cpp | |
| parent | 3a0822f094b578157263e04114075ad7df81db41 (diff) | |
Notes
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index d3bb7a63c622..696a83860e53 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -352,15 +352,10 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, bool isPPC64 = Subtarget.isPPC64(); // If the block has no terminators, it just falls into the block after it. - MachineBasicBlock::iterator I = MBB.end(); - if (I == MBB.begin()) + MachineBasicBlock::iterator I = MBB.getLastNonDebugInstr(); + if (I == MBB.end()) return false; - --I; - while (I->isDebugValue()) { - if (I == MBB.begin()) - return false; - --I; - } + if (!isUnpredicatedTerminator(I)) return false; @@ -513,14 +508,10 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, } unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const { - MachineBasicBlock::iterator I = MBB.end(); - if (I == MBB.begin()) return 0; - --I; - while (I->isDebugValue()) { - if (I == MBB.begin()) - return 0; - --I; - } + MachineBasicBlock::iterator I = MBB.getLastNonDebugInstr(); + if (I == MBB.end()) + return 0; + if (I->getOpcode() != PPC::B && I->getOpcode() != PPC::BCC && I->getOpcode() != PPC::BC && I->getOpcode() != PPC::BCn && I->getOpcode() != PPC::BDNZ8 && I->getOpcode() != PPC::BDNZ && |