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author | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
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committer | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
commit | 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch) | |
tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /lib/CodeGen/DeadMachineInstructionElim.cpp | |
parent | 2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff) | |
download | FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz |
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'lib/CodeGen/DeadMachineInstructionElim.cpp')
-rw-r--r-- | lib/CodeGen/DeadMachineInstructionElim.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp index aa10d1d..b4394e8 100644 --- a/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -171,9 +171,8 @@ bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) { // Check the subreg set, not the alias set, because a def // of a super-register may still be partially live after // this def. - for (const uint16_t *SubRegs = TRI->getSubRegisters(Reg); - *SubRegs; ++SubRegs) - LivePhysRegs.reset(*SubRegs); + for (MCSubRegIterator SR(Reg, TRI); SR.isValid(); ++SR) + LivePhysRegs.reset(*SR); } } else if (MO.isRegMask()) { // Register mask of preserved registers. All clobbers are dead. @@ -187,10 +186,8 @@ 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); } } } |