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 *DefDest)
  11   : TerminatorInst(Instruction::Switch) {
  12   assert(V && DefDest);
  13   Operands.push_back(Use(V, this));
  14   Operands.push_back(Use(DefDest, this));
  15 }
  16
  17 SwitchInst::SwitchInst(const SwitchInst &SI)
  18   : TerminatorInst(Instruction::Switch) {
  19   Operands.reserve(SI.Operands.size());
  20
  21   for (unsigned i = 0, E = SI.Operands.size(); i != E; i+=2) {
  22     Operands.push_back(Use(SI.Operands[i], this));
  23     Operands.push_back(Use(SI.Operands[i+1], this));
  24   }
  25 }
  26
  27 void SwitchInst::dest_push_back(Constant *OnVal, BasicBlock *Dest) {
  28   Operands.push_back(Use((Value*)OnVal, this));
  29   Operands.push_back(Use((Value*)Dest, this));
  30 }