diff options
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 36503b1..196e06e 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -1001,6 +1001,7 @@ TwoAddressInstructionPass::RescheduleMIBelowKill(MachineBasicBlock *MBB, LV->removeVirtualRegisterKilled(Reg, KillMI); LV->addVirtualRegisterKilled(Reg, MI); + DEBUG(dbgs() << "\trescheduled below kill: " << *KillMI); return true; } @@ -1154,6 +1155,7 @@ TwoAddressInstructionPass::RescheduleKillAboveMI(MachineBasicBlock *MBB, LV->removeVirtualRegisterKilled(Reg, KillMI); LV->addVirtualRegisterKilled(Reg, MI); + DEBUG(dbgs() << "\trescheduled kill: " << *KillMI); return true; } @@ -1185,7 +1187,8 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi, if (!regBKilled && MI.getOperand(DstIdx).isDead() && DeleteUnusedInstr(mi, nmi, mbbi, Dist)) { ++NumDeletes; - return true; // Done with this instruction. + DEBUG(dbgs() << "\tdeleted unused instruction.\n"); + return true; // Done with this instruction." } if (TargetRegisterInfo::isVirtualRegister(regA)) |