+/// moveBefore - Unlink this instruction from its current basic block and
+/// insert it into the basic block that MovePos lives in, right before
+/// MovePos.
+void Instruction::moveBefore(Instruction *MovePos) {
+ MovePos->getParent()->getInstList().splice(MovePos,getParent()->getInstList(),
+ this);
+}
+
+
+const char *Instruction::getOpcodeName(unsigned OpCode) {
+ switch (OpCode) {
+ // Terminators
+ case Ret: return "ret";
+ case Br: return "br";
+ case Switch: return "switch";
+ case Invoke: return "invoke";
+ case Unwind: return "unwind";
+ case Unreachable: return "unreachable";
+
+ // Standard binary operators...
+ case Add: return "add";
+ case Sub: return "sub";
+ case Mul: return "mul";
+ case UDiv: return "udiv";
+ case SDiv: return "sdiv";
+ case FDiv: return "fdiv";
+ case URem: return "urem";
+ case SRem: return "srem";
+ case FRem: return "frem";
+
+ // Logical operators...
+ case And: return "and";
+ case Or : return "or";
+ case Xor: return "xor";
+
+ // Memory instructions...
+ case Malloc: return "malloc";
+ case Free: return "free";
+ case Alloca: return "alloca";
+ case Load: return "load";
+ case Store: return "store";
+ case GetElementPtr: return "getelementptr";
+
+ // Convert instructions...
+ case Trunc: return "trunc";
+ case ZExt: return "zext";
+ case SExt: return "sext";
+ case FPTrunc: return "fptrunc";
+ case FPExt: return "fpext";
+ case FPToUI: return "fptoui";
+ case FPToSI: return "fptosi";
+ case UIToFP: return "uitofp";
+ case SIToFP: return "sitofp";
+ case IntToPtr: return "inttoptr";
+ case PtrToInt: return "ptrtoint";
+ case BitCast: return "bitcast";
+
+ // Other instructions...
+ case ICmp: return "icmp";
+ case FCmp: return "fcmp";
+ case PHI: return "phi";
+ case Select: return "select";
+ case Call: return "call";
+ case Shl: return "shl";
+ case LShr: return "lshr";
+ case AShr: return "ashr";
+ case VAArg: return "va_arg";
+ case ExtractElement: return "extractelement";
+ case InsertElement: return "insertelement";
+ case ShuffleVector: return "shufflevector";
+ case GetResult: return "getresult";
+
+ default: return "<Invalid operator> ";