diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 89b5c9c..e861b2e 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -224,30 +224,32 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, return true; } -void PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const { +unsigned PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const { MachineBasicBlock::iterator I = MBB.end(); - if (I == MBB.begin()) return; + if (I == MBB.begin()) return 0; --I; if (I->getOpcode() != PPC::B && I->getOpcode() != PPC::BCC) - return; + return 0; // Remove the branch. I->eraseFromParent(); I = MBB.end(); - if (I == MBB.begin()) return; + if (I == MBB.begin()) return 1; --I; if (I->getOpcode() != PPC::BCC) - return; + return 1; // Remove the branch. I->eraseFromParent(); + return 2; } -void PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, - MachineBasicBlock *FBB, - const std::vector<MachineOperand> &Cond) const { +unsigned +PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, + MachineBasicBlock *FBB, + const std::vector<MachineOperand> &Cond) const { // Shouldn't be a fall through. assert(TBB && "InsertBranch must not be told to insert a fallthrough"); assert((Cond.size() == 2 || Cond.size() == 0) && @@ -260,13 +262,14 @@ void PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, else // Conditional branch BuildMI(&MBB, get(PPC::BCC)) .addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB); - return; + return 1; } // Two-way Conditional Branch. BuildMI(&MBB, get(PPC::BCC)) .addImm(Cond[0].getImm()).addReg(Cond[1].getReg()).addMBB(TBB); BuildMI(&MBB, get(PPC::B)).addMBB(FBB); + return 2; } bool PPCInstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const { |