diff options
Diffstat (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp')
-rw-r--r-- | lib/CodeGen/TargetInstrInfoImpl.cpp | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index 4498c984e2..cd2bfcce02 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -35,23 +35,24 @@ MachineInstr *TargetInstrInfoImpl::commuteInstruction(MachineInstr *MI) const { bool TargetInstrInfoImpl::PredicateInstruction(MachineInstr *MI, const std::vector<MachineOperand> &Pred) const { bool MadeChange = false; - const TargetInstrDescriptor *TID = MI->getDesc(); - if (TID->isPredicable()) { - for (unsigned j = 0, i = 0, e = MI->getNumOperands(); i != e; ++i) { - if (TID->OpInfo[i].isPredicate()) { - MachineOperand &MO = MI->getOperand(i); - if (MO.isReg()) { - MO.setReg(Pred[j].getReg()); - MadeChange = true; - } else if (MO.isImm()) { - MO.setImm(Pred[j].getImm()); - MadeChange = true; - } else if (MO.isMBB()) { - MO.setMBB(Pred[j].getMBB()); - MadeChange = true; - } - ++j; + const TargetInstrDesc &TID = MI->getDesc(); + if (!TID.isPredicable()) + return false; + + for (unsigned j = 0, i = 0, e = MI->getNumOperands(); i != e; ++i) { + if (TID.OpInfo[i].isPredicate()) { + MachineOperand &MO = MI->getOperand(i); + if (MO.isReg()) { + MO.setReg(Pred[j].getReg()); + MadeChange = true; + } else if (MO.isImm()) { + MO.setImm(Pred[j].getImm()); + MadeChange = true; + } else if (MO.isMBB()) { + MO.setMBB(Pred[j].getMBB()); + MadeChange = true; } + ++j; } } return MadeChange; |