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llvm-mirror/lib/VMCore/iSwitch.cpp

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//===-- iSwitch.cpp - Implement the Switch instruction -----------*- C++ -*--=//
//
// This file implements the Switch instruction...
//
//===----------------------------------------------------------------------===//
#include "llvm/iTerminators.h"
#include "llvm/BasicBlock.h"
SwitchInst::SwitchInst(Value *V, BasicBlock *DefaultDest,
Instruction *InsertBefore)
: TerminatorInst(Instruction::Switch, InsertBefore) {
assert(V && DefaultDest);
Operands.push_back(Use(V, this));
Operands.push_back(Use(DefaultDest, this));
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}
SwitchInst::SwitchInst(const SwitchInst &SI)
: TerminatorInst(Instruction::Switch) {
Operands.reserve(SI.Operands.size());
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for (unsigned i = 0, E = SI.Operands.size(); i != E; i+=2) {
Operands.push_back(Use(SI.Operands[i], this));
Operands.push_back(Use(SI.Operands[i+1], this));
}
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}
void SwitchInst::dest_push_back(Constant *OnVal, BasicBlock *Dest) {
Operands.push_back(Use((Value*)OnVal, this));
Operands.push_back(Use((Value*)Dest, this));
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}