diff options
Diffstat (limited to 'llvm/lib/CodeGen/LivePhysRegs.cpp')
-rw-r--r-- | llvm/lib/CodeGen/LivePhysRegs.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/LivePhysRegs.cpp b/llvm/lib/CodeGen/LivePhysRegs.cpp index 774fa4c8c3e..d90e8930598 100644 --- a/llvm/lib/CodeGen/LivePhysRegs.cpp +++ b/llvm/lib/CodeGen/LivePhysRegs.cpp @@ -214,10 +214,8 @@ void LivePhysRegs::addLiveIns(const MachineBasicBlock &MBB) { addBlockLiveIns(MBB); } -void llvm::computeLiveIns(LivePhysRegs &LiveRegs, - const MachineRegisterInfo &MRI, +void llvm::computeLiveIns(LivePhysRegs &LiveRegs, const TargetRegisterInfo &TRI, MachineBasicBlock &MBB) { - const TargetRegisterInfo &TRI = *MRI.getTargetRegisterInfo(); assert(MBB.livein_empty()); LiveRegs.init(TRI); LiveRegs.addLiveOutsNoPristines(MBB); @@ -225,12 +223,10 @@ void llvm::computeLiveIns(LivePhysRegs &LiveRegs, LiveRegs.stepBackward(MI); for (unsigned Reg : LiveRegs) { - if (MRI.isReserved(Reg)) - continue; // Skip the register if we are about to add one of its super registers. bool ContainsSuperReg = false; for (MCSuperRegIterator SReg(Reg, &TRI); SReg.isValid(); ++SReg) { - if (LiveRegs.contains(*SReg) && !MRI.isReserved(*SReg)) { + if (LiveRegs.contains(*SReg)) { ContainsSuperReg = true; break; } |