diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/RegAllocBasic.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp index 5ea26adc76..8bb8556bc8 100644 --- a/lib/CodeGen/RegAllocBasic.cpp +++ b/lib/CodeGen/RegAllocBasic.cpp @@ -439,6 +439,7 @@ void RegAllocBase::addMBBLiveIns(MachineFunction *MF) { LiveIntervalUnion &LiveUnion = PhysReg2LiveUnion[PhysReg]; if (LiveUnion.empty()) continue; + DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " live-in:"); MachineFunction::iterator MBB = llvm::next(MF->begin()); MachineFunction::iterator MFE = MF->end(); SlotIndex Start, Stop; @@ -449,6 +450,8 @@ void RegAllocBase::addMBBLiveIns(MachineFunction *MF) { if (SI.start() <= Start) { if (!MBB->isLiveIn(PhysReg)) MBB->addLiveIn(PhysReg); + DEBUG(dbgs() << "\tBB#" << MBB->getNumber() << ':' + << PrintReg(SI.value()->reg, TRI)); } else if (SI.start() > Stop) MBB = Indexes->getMBBFromIndex(SI.start().getPrevIndex()); if (++MBB == MFE) @@ -456,6 +459,7 @@ void RegAllocBase::addMBBLiveIns(MachineFunction *MF) { tie(Start, Stop) = Indexes->getMBBRange(MBB); SI.advanceTo(Start); } + DEBUG(dbgs() << '\n'); } } |