diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-21 00:09:15 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-21 00:09:15 +0000 |
| commit | 71b49cb5c73ba912f2fab30f35ed1e43c35a2139 (patch) | |
| tree | 794a60b82d1f6ee02a99a6dce75a966cf3161e61 | |
| parent | e3c9ccd3127565298bf0e5211bb2e4f95bd5b796 (diff) | |
Update regunits in RegisterCoalescer::reMaterializeTrivialDef.
Old code would only update physreg live intervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158881 91177308-0d34-0410-b5e6-96231b3b80d8
| -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 395884d400..de58b82d3a 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(); |