diff options
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 && |