2002-07-08 22:40:34 +00:00
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//===-- llvm/CodeGen/MachineCodeForBasicBlock.h -----------------*- C++ -*--=//
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//
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2002-10-27 20:49:47 +00:00
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// Collect the sequence of machine instructions for a basic block.
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//
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2002-07-08 22:40:34 +00:00
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINECODEFORBASICBLOCK_H
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#define LLVM_CODEGEN_MACHINECODEFORBASICBLOCK_H
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#include "llvm/BasicBlock.h"
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class MachineInstr;
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extern AnnotationID MCFBB_AID;
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2002-10-27 20:49:47 +00:00
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class MachineCodeForBasicBlock : public Annotation {
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2002-07-08 22:40:34 +00:00
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std::vector<MachineInstr*> Insts;
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public:
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MachineCodeForBasicBlock();
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~MachineCodeForBasicBlock() {}
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// Static methods to retrieve or destroy the MachineCodeForBasicBlock
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// object for a given basic block.
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static MachineCodeForBasicBlock& get(const BasicBlock *bb) {
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return *(MachineCodeForBasicBlock*)bb->getOrCreateAnnotation(MCFBB_AID);
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}
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static void destroy(const BasicBlock *bb) {
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bb->deleteAnnotation(MCFBB_AID);
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}
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typedef std::vector<MachineInstr*>::iterator iterator;
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typedef std::vector<MachineInstr*>::const_iterator const_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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unsigned size() const { return Insts.size(); }
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bool empty() const { return Insts.empty(); }
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MachineInstr * operator[](unsigned i) const { return Insts[i]; }
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MachineInstr *&operator[](unsigned i) { return Insts[i]; }
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MachineInstr *front() const { return Insts.front(); }
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MachineInstr *back() const { return Insts.back(); }
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iterator begin() { return Insts.begin(); }
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const_iterator begin() const { return Insts.begin(); }
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iterator end() { return Insts.end(); }
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const_iterator end() const { return Insts.end(); }
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reverse_iterator rbegin() { return Insts.rbegin(); }
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const_reverse_iterator rbegin() const { return Insts.rbegin(); }
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reverse_iterator rend () { return Insts.rend(); }
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const_reverse_iterator rend () const { return Insts.rend(); }
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void push_back(MachineInstr *MI) { Insts.push_back(MI); }
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template<typename IT>
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void insert(iterator I, IT S, IT E) { Insts.insert(I, S, E); }
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iterator insert(iterator I, MachineInstr *M) { return Insts.insert(I, M); }
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2002-09-20 00:55:57 +00:00
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// erase - Remove the specified element or range from the instruction list.
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// These functions do not delete any instructions removed.
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2002-07-08 22:40:34 +00:00
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//
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2002-09-20 00:55:57 +00:00
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iterator erase(iterator I) { return Insts.erase(I); }
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2002-07-08 22:40:34 +00:00
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iterator erase(iterator I, iterator E) { return Insts.erase(I, E); }
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MachineInstr *pop_back() {
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MachineInstr *R = back();
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Insts.pop_back();
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return R;
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}
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};
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#endif
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