diff options
-rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 9567308aa7..9dff74b5dd 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -277,7 +277,14 @@ void RAFast::spillVirtReg(MachineBasicBlock::iterator MI, int64_t Offset = 0; if (DBG->getOperand(1).isImm()) Offset = DBG->getOperand(1).getImm(); - DebugLoc DL = MI->getDebugLoc(); + DebugLoc DL; + if (MI == MBB->end()) { + // If MI is at basic block end then use last instruction's location. + MachineBasicBlock::iterator EI = MI; + DL = (--EI)->getDebugLoc(); + } + else + DL = MI->getDebugLoc(); if (MachineInstr *NewDV = TII->emitFrameIndexDebugValue(*MF, FI, Offset, MDPtr, DL)) { MachineBasicBlock *MBB = DBG->getParent(); |