diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-17 17:57:23 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-07-17 17:57:23 +0000 |
| commit | a532bcec2f8b766ec2b623c715fab662e2d2e31d (patch) | |
| tree | 424b4c31cf26d86e71f673b8d983bc472fe51cda /lib | |
| parent | de39671ebb1151b15bb7f3703fdc78061c68763e (diff) | |
| download | external_llvm-a532bcec2f8b766ec2b623c715fab662e2d2e31d.zip external_llvm-a532bcec2f8b766ec2b623c715fab662e2d2e31d.tar.gz external_llvm-a532bcec2f8b766ec2b623c715fab662e2d2e31d.tar.bz2 | |
Add some trace output to TwoAddressInstructionPass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160380 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -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)) |