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 #ifndef NDEBUG
  10 #include "llvm/Type.h"
  11 #endif
  12
  13 SwitchInst::SwitchInst(Value *V, BasicBlock *DefDest)
  14   : TerminatorInst(Instruction::Switch) {
  15   assert(V && DefDest);
  16   Operands.push_back(Use(V, this));
  17   Operands.push_back(Use(DefDest, this));
  18 }
  19
  20 SwitchInst::SwitchInst(const SwitchInst &SI)
  21   : TerminatorInst(Instruction::Switch) {
  22   Operands.reserve(SI.Operands.size());
  23
  24   for (unsigned i = 0, E = SI.Operands.size(); i != E; i+=2) {
  25     Operands.push_back(Use(SI.Operands[i], this));
  26     Operands.push_back(Use(SI.Operands[i+1], this));
  27   }
  28 }
  29
  30 void SwitchInst::dest_push_back(Constant *OnVal, BasicBlock *Dest) {
  31   Operands.push_back(Use((Value*)OnVal, this));
  32   Operands.push_back(Use((Value*)Dest, this));
  33 }