From 71b49cb5c73ba912f2fab30f35ed1e43c35a2139 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Thu, 21 Jun 2012 00:09:15 +0000 Subject: [PATCH] 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 --- lib/CodeGen/RegisterCoalescer.cpp | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp index 395884d4007..de58b82d3a3 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(); -- 2.34.1