[llvm-commits] CVS: llvm/lib/Target/X86/InstSelectSimple.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

InstSelectSimple.cpp updated: 1.65 -> 1.66

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Log message:

Add sanity checks


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Diffs of the changes:

Index: llvm/lib/Target/X86/InstSelectSimple.cpp
diff -u llvm/lib/Target/X86/InstSelectSimple.cpp:1.65 llvm/lib/Target/X86/InstSelectSimple.cpp:1.66
--- llvm/lib/Target/X86/InstSelectSimple.cpp:1.65	Fri Dec 13 05:52:34 2002
+++ llvm/lib/Target/X86/InstSelectSimple.cpp	Fri Dec 13 07:04:04 2002
@@ -35,6 +35,7 @@
                                       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 @@
                                       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);