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| author | Evan Cheng <evan.cheng@apple.com> | 2010-03-23 20:36:12 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-03-23 20:36:12 +0000 |
| commit | 77be42a07f96e6bf0bba0c5578e01b13bb36b366 (patch) | |
| tree | e95412a72a0f8401741fc954827e4756c19b85de | |
| parent | b6dee6e01592e2938f821b9a9d70f39501366e90 (diff) | |
| download | llvm-77be42a07f96e6bf0bba0c5578e01b13bb36b366.zip llvm-77be42a07f96e6bf0bba0c5578e01b13bb36b366.tar.gz llvm-77be42a07f96e6bf0bba0c5578e01b13bb36b366.tar.bz2 | |
Ignore dbg_value's.
llvm-svn: 99321
| -rw-r--r-- | llvm/lib/CodeGen/TwoAddressInstructionPass.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp index c840b39..c288ae0 100644 --- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -188,8 +188,9 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB, // Find the instruction that kills SavedReg. MachineInstr *KillMI = NULL; - for (MachineRegisterInfo::use_iterator UI = MRI->use_begin(SavedReg), - UE = MRI->use_end(); UI != UE; ++UI) { + for (MachineRegisterInfo::use_nodbg_iterator + UI = MRI->use_nodbg_begin(SavedReg), + UE = MRI->use_nodbg_end(); UI != UE; ++UI) { MachineOperand &UseMO = UI.getOperand(); if (!UseMO.isKill()) continue; @@ -280,8 +281,8 @@ TwoAddressInstructionPass::isProfitableToReMat(unsigned Reg, MachineInstr *MI, MachineInstr *DefMI, MachineBasicBlock *MBB, unsigned Loc) { bool OtherUse = false; - for (MachineRegisterInfo::use_iterator UI = MRI->use_begin(Reg), - UE = MRI->use_end(); UI != UE; ++UI) { + for (MachineRegisterInfo::use_nodbg_iterator UI = MRI->use_nodbg_begin(Reg), + UE = MRI->use_nodbg_end(); UI != UE; ++UI) { MachineOperand &UseMO = UI.getOperand(); MachineInstr *UseMI = UseMO.getParent(); MachineBasicBlock *UseMBB = UseMI->getParent(); @@ -927,6 +928,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { mi = nmi; continue; } + const TargetInstrDesc &TID = mi->getDesc(); bool FirstTied = true; @@ -1101,7 +1103,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { // Some remat'ed instructions are dead. int VReg = ReMatRegs.find_first(); while (VReg != -1) { - if (MRI->use_empty(VReg)) { + if (MRI->use_nodbg_empty(VReg)) { MachineInstr *DefMI = MRI->getVRegDef(VReg); DefMI->eraseFromParent(); } |