diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/InstSelectSimple.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp index cad8e0d912f..d9feff1a930 100644 --- a/llvm/lib/Target/X86/InstSelectSimple.cpp +++ b/llvm/lib/Target/X86/InstSelectSimple.cpp @@ -35,6 +35,7 @@ inline static MachineInstrBuilder BMI(MachineBasicBlock *MBB, MachineOpCode Opcode, unsigned NumOperands, unsigned DestReg) { + assert(I >= MBB->begin() && I <= MBB->end() && "Bad iterator!"); MachineInstr *MI = new MachineInstr(Opcode, NumOperands+1, true, true); I = ++MBB->insert(I, MI); return MachineInstrBuilder(MI).addReg(DestReg, MOTy::Def); @@ -46,6 +47,7 @@ inline static MachineInstrBuilder BMI(MachineBasicBlock *MBB, MachineBasicBlock::iterator &I, MachineOpCode Opcode, unsigned NumOperands) { + assert(I > MBB->begin() && I <= MBB->end() && "Bad iterator!"); MachineInstr *MI = new MachineInstr(Opcode, NumOperands, true, true); I = ++MBB->insert(I, MI); return MachineInstrBuilder(MI); |
