From 33d3d4ad401e77673b6723ff2bc23ddf3c873351 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 28 May 2008 17:22:32 +0000 Subject: Teach local register allocator to deal with landing pad MBB's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51647 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegAllocLocal.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'lib/CodeGen/RegAllocLocal.cpp') 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); -- cgit v1.2.3-18-g5258