diff options
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.cpp')
-rw-r--r-- | lib/CodeGen/LiveRangeEdit.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp index 4e6c4c705d..04f92adefd 100644 --- a/lib/CodeGen/LiveRangeEdit.cpp +++ b/lib/CodeGen/LiveRangeEdit.cpp @@ -33,11 +33,9 @@ void LiveRangeEdit::Delegate::anchor() { } LiveInterval &LiveRangeEdit::createFrom(unsigned OldReg) { unsigned VReg = MRI.createVirtualRegister(MRI.getRegClass(OldReg)); if (VRM) { - VRM->grow(); VRM->setIsSplitFromReg(VReg, VRM->getOriginal(OldReg)); } LiveInterval &LI = LIS.getOrCreateInterval(VReg); - NewRegs.push_back(VReg); return LI; } @@ -387,6 +385,17 @@ void LiveRangeEdit::eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead, } } +// Keep track of new virtual registers created via +// MachineRegisterInfo::createVirtualRegister. +void +LiveRangeEdit::MRI_NoteNewVirtualRegister(unsigned VReg) +{ + if (VRM) + VRM->grow(); + + NewRegs.push_back(VReg); +} + void LiveRangeEdit::calculateRegClassAndHint(MachineFunction &MF, const MachineLoopInfo &Loops, |