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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-26 23:12:08 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-07-26 23:12:08 +0000 |
| commit | b1459dbc25a3a6481cb947bd05976f4af2a4218d (patch) | |
| tree | 31586789236bf75a83c1405268451cc2d38916d2 /llvm/lib | |
| parent | 9688a17bffe44e34285a69c9da2da987f7a0a565 (diff) | |
| download | bcm5719-llvm-b1459dbc25a3a6481cb947bd05976f4af2a4218d.tar.gz bcm5719-llvm-b1459dbc25a3a6481cb947bd05976f4af2a4218d.zip | |
Print out the MBB live-in registers.
llvm-svn: 136178
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocBasic.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocBasic.cpp b/llvm/lib/CodeGen/RegAllocBasic.cpp index 5ea26adc764..8bb8556bc88 100644 --- a/llvm/lib/CodeGen/RegAllocBasic.cpp +++ b/llvm/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'); } } |
