diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-01 20:36:54 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-01 20:36:54 +0000 |
| commit | f152fe8d487c46873bbdd4abab43200f783e978b (patch) | |
| tree | 42739be7996946e18e2b54ca3c1d801a96f73207 /lib/CodeGen/DeadMachineInstructionElim.cpp | |
| parent | 73c2f7f5ed767a6fc062fd198551be902b7b7d5b (diff) | |
Switch some getAliasSet clients to MCRegAliasIterator.
MCRegAliasIterator can optionally visit the register itself, allowing
for simpler code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157837 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/DeadMachineInstructionElim.cpp')
| -rw-r--r-- | lib/CodeGen/DeadMachineInstructionElim.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp index aa10d1d41f..69bd1c24eb 100644 --- a/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -187,10 +187,8 @@ bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) { if (MO.isReg() && MO.isUse()) { unsigned Reg = MO.getReg(); if (TargetRegisterInfo::isPhysicalRegister(Reg)) { - LivePhysRegs.set(Reg); - for (const uint16_t *AliasSet = TRI->getAliasSet(Reg); - *AliasSet; ++AliasSet) - LivePhysRegs.set(*AliasSet); + for (MCRegAliasIterator AI(Reg, TRI, true); AI.isValid(); ++AI) + LivePhysRegs.set(*AI); } } } |