diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-10 02:58:51 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-01-10 02:58:51 +0000 |
| commit | c9df025e33ac435adb3b3318d237c36ca7cec659 (patch) | |
| tree | 80a9dfcbb33fcfa3fbfdff2b2f9e6ba80ed170fc /lib/CodeGen/DeadMachineInstructionElim.cpp | |
| parent | fdc8f2d2604877d80f64e309d4b03ea67addf037 (diff) | |
Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.
These functions not longer assert when passed 0, but simply return false instead.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/DeadMachineInstructionElim.cpp')
| -rw-r--r-- | lib/CodeGen/DeadMachineInstructionElim.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp index 32040e580b..fdc1d91421 100644 --- a/lib/CodeGen/DeadMachineInstructionElim.cpp +++ b/lib/CodeGen/DeadMachineInstructionElim.cpp @@ -159,7 +159,7 @@ bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) { const MachineOperand &MO = MI->getOperand(i); if (MO.isReg() && MO.isDef()) { unsigned Reg = MO.getReg(); - if (Reg != 0 && TargetRegisterInfo::isPhysicalRegister(Reg)) { + if (TargetRegisterInfo::isPhysicalRegister(Reg)) { LivePhysRegs.reset(Reg); // Check the subreg set, not the alias set, because a def // of a super-register may still be partially live after @@ -176,7 +176,7 @@ bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) { const MachineOperand &MO = MI->getOperand(i); if (MO.isReg() && MO.isUse()) { unsigned Reg = MO.getReg(); - if (Reg != 0 && TargetRegisterInfo::isPhysicalRegister(Reg)) { + if (TargetRegisterInfo::isPhysicalRegister(Reg)) { LivePhysRegs.set(Reg); for (const unsigned *AliasSet = TRI->getAliasSet(Reg); *AliasSet; ++AliasSet) |