diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/RegAllocLocal.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp index 18e7656bd4..59831f0b70 100644 --- a/lib/CodeGen/RegAllocLocal.cpp +++ b/lib/CodeGen/RegAllocLocal.cpp @@ -549,10 +549,10 @@ void RALocal::AllocateBasicBlock(MachineBasicBlock &MBB) { // If this is the first basic block in the machine function, add live-in // registers as active. - if (&MBB == &*MF->begin()) { - for (MachineRegisterInfo::livein_iterator I=MF->getRegInfo().livein_begin(), - E = MF->getRegInfo().livein_end(); I != E; ++I) { - unsigned Reg = I->first; + if (&MBB == &*MF->begin() || MBB.isLandingPad()) { + for (MachineBasicBlock::livein_iterator I = MBB.livein_begin(), + E = MBB.livein_end(); I != E; ++I) { + unsigned Reg = *I; MF->getRegInfo().setPhysRegUsed(Reg); PhysRegsUsed[Reg] = 0; // It is free and reserved now AddToPhysRegsUseOrder(Reg); |