diff options
| -rw-r--r-- | lib/CodeGen/RegisterCoalescer.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 395884d..de58b82 100644 --- a/lib/CodeGen/RegisterCoalescer.cpp +++ b/lib/CodeGen/RegisterCoalescer.cpp @@ -797,12 +797,10 @@ bool RegisterCoalescer::reMaterializeTrivialDef(LiveInterval &SrcInt, SlotIndex NewMIIdx = LIS->getInstructionIndex(NewMI); for (unsigned i = 0, e = NewMIImplDefs.size(); i != e; ++i) { - unsigned reg = NewMIImplDefs[i]; - LiveInterval &li = LIS->getInterval(reg); - VNInfo *DeadDefVN = li.getNextValue(NewMIIdx.getRegSlot(), - LIS->getVNInfoAllocator()); - LiveRange lr(NewMIIdx.getRegSlot(), NewMIIdx.getDeadSlot(), DeadDefVN); - li.addRange(lr); + unsigned Reg = NewMIImplDefs[i]; + for (MCRegUnitIterator Units(Reg, TRI); Units.isValid(); ++Units) + if (LiveInterval *LI = LIS->getCachedRegUnit(*Units)) + LI->createDeadDef(NewMIIdx.getRegSlot(), LIS->getVNInfoAllocator()); } CopyMI->eraseFromParent(); |