diff options
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index b9e96b11e2..c06ff71e6f 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -560,8 +560,11 @@ static void InvalidateKills(MachineInstr &MI, BitVector &RegKills, if (!MO.isRegister() || !MO.isUse() || !MO.isKill()) continue; unsigned Reg = MO.getReg(); + if (TargetRegisterInfo::isVirtualRegister(Reg)) + continue; if (KillRegs) KillRegs->push_back(Reg); + assert(Reg < KillOps.size()); if (KillOps[Reg] == &MO) { RegKills.reset(Reg); KillOps[Reg] = NULL; @@ -943,9 +946,11 @@ bool LocalSpiller::PrepForUnfoldOpti(MachineBasicBlock &MBB, return false; continue; } - PhysReg = VRM.getPhys(VirtReg); - if (!TRI->regsOverlap(PhysReg, UnfoldPR)) - continue; + if (VRM.hasPhys(VirtReg)) { + PhysReg = VRM.getPhys(VirtReg); + if (!TRI->regsOverlap(PhysReg, UnfoldPR)) + continue; + } // Ok, we'll need to reload the value into a register which makes // it impossible to perform the store unfolding optimization later. |