lib/VMCore/iSwitch.cpp

   1 //===-- iSwitch.cpp - Implement the Switch instruction -----------*- C++ -*--=//
   2 //
   3 // This file implements the Switch instruction...
   4 //
   5 //===----------------------------------------------------------------------===//
   6
   7 #include "llvm/iTerminators.h"
   8 #include "llvm/BasicBlock.h"
   9
  10 SwitchInst::SwitchInst(Value *V, BasicBlock *DefaultDest,
  11                        Instruction *InsertBefore)
  12   : TerminatorInst(Instruction::Switch, InsertBefore) {
  13   assert(V && DefaultDest);
  14   Operands.push_back(Use(V, this));
  15   Operands.push_back(Use(DefaultDest, this));
  16 }
  17
  18 SwitchInst::SwitchInst(const SwitchInst &SI)
  19   : TerminatorInst(Instruction::Switch) {
  20   Operands.reserve(SI.Operands.size());
  21
  22   for (unsigned i = 0, E = SI.Operands.size(); i != E; i+=2) {
  23     Operands.push_back(Use(SI.Operands[i], this));
  24     Operands.push_back(Use(SI.Operands[i+1], this));
  25   }
  26 }
  27
  28 void SwitchInst::dest_push_back(Constant *OnVal, BasicBlock *Dest) {
  29   Operands.push_back(Use((Value*)OnVal, this));
  30   Operands.push_back(Use((Value*)Dest, this));
  31 }