diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index fba44166662..66bcf611679 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -64,8 +64,6 @@ void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const { AU.addRequired(); AU.addPreservedID(MachineLoopInfoID); AU.addPreservedID(MachineDominatorsID); - AU.addPreservedID(PHIEliminationID); - AU.addRequiredID(PHIEliminationID); AU.addRequiredID(TwoAddressInstructionPassID); MachineFunctionPass::getAnalysisUsage(AU); } @@ -129,7 +127,7 @@ void LiveIntervals::computeNumbering() { std::sort(Idx2MBBMap.begin(), Idx2MBBMap.end(), Idx2MBBCompare()); if (!OldI2MI.empty()) - for (iterator OI = begin(), OE = end(); OI != OE; ++OI) + for (iterator OI = begin(), OE = end(); OI != OE; ++OI) { for (LiveInterval::iterator LI = OI->second.begin(), LE = OI->second.end(); LI != LE; ++LI) { @@ -172,15 +170,18 @@ void LiveIntervals::computeNumbering() { else LI->end = InstrSlots::NUM * i2miMap_.size(); } + } + + for (LiveInterval::vni_iterator VNI = OI->second.vni_begin(), + VNE = OI->second.vni_end(); VNI != VNE; ++VNI) { + VNInfo* vni = *VNI; // Remap the VNInfo def index, which works the same as the - // start indices above. - VNInfo* vni = LI->valno; - - // VN's with special sentinel defs don't need to be remapped. + // start indices above. VN's with special sentinel defs + // don't need to be remapped. if (vni->def != ~0U && vni->def != ~1U) { - index = vni->def / InstrSlots::NUM; - offset = vni->def % InstrSlots::NUM; + unsigned index = vni->def / InstrSlots::NUM; + unsigned offset = vni->def % InstrSlots::NUM; if (offset == InstrSlots::LOAD) { std::vector::const_iterator I = std::lower_bound(OldI2MBB.begin(), OldI2MBB.end(), vni->def); @@ -200,14 +201,14 @@ void LiveIntervals::computeNumbering() { // PHI kills don't need to be remapped. if (!vni->kills[i]) continue; - index = (vni->kills[i]-1) / InstrSlots::NUM; - offset = vni->kills[i] % InstrSlots::NUM; - if (offset == InstrSlots::LOAD) { + unsigned index = (vni->kills[i]-1) / InstrSlots::NUM; + unsigned offset = vni->kills[i] % InstrSlots::NUM; + if (offset == InstrSlots::STORE) { std::vector::const_iterator I = std::lower_bound(OldI2MBB.begin(), OldI2MBB.end(), vni->kills[i]); --I; - vni->kills[i] = getMBBEndIdx(I->second) + 1; + vni->kills[i] = getMBBEndIdx(I->second); } else { unsigned idx = index; while (index < OldI2MI.size() && !OldI2MI[index]) ++index; @@ -220,6 +221,7 @@ void LiveIntervals::computeNumbering() { } } } + } } /// runOnMachineFunction - Register allocate the whole function