mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 04:29:21 +00:00
Because of this, we'll make the MBB->BB mapping const as it should be git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7351 91177308-0d34-0410-b5e6-96231b3b80d8
79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
//===-- llvm/CodeGen/MachineBasicBlock.h ------------------------*- C++ -*-===//
|
|
//
|
|
// Collect the sequence of machine instructions for a basic block.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CODEGEN_MACHINEBASICBLOCK_H
|
|
#define LLVM_CODEGEN_MACHINEBASICBLOCK_H
|
|
|
|
#include <vector>
|
|
class BasicBlock;
|
|
class MachineInstr;
|
|
template <typename T> struct ilist_traits;
|
|
|
|
class MachineBasicBlock {
|
|
std::vector<MachineInstr*> Insts;
|
|
MachineBasicBlock *Prev, *Next;
|
|
const BasicBlock *BB;
|
|
public:
|
|
MachineBasicBlock(const BasicBlock *bb = 0) : Prev(0), Next(0), BB(bb) {}
|
|
~MachineBasicBlock() {}
|
|
|
|
/// getBasicBlock - Return the LLVM basic block that this instance
|
|
/// corresponded to originally.
|
|
///
|
|
const BasicBlock *getBasicBlock() const { return BB; }
|
|
|
|
typedef std::vector<MachineInstr*>::iterator iterator;
|
|
typedef std::vector<MachineInstr*>::const_iterator const_iterator;
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
|
|
unsigned size() const { return Insts.size(); }
|
|
bool empty() const { return Insts.empty(); }
|
|
|
|
MachineInstr * operator[](unsigned i) const { return Insts[i]; }
|
|
MachineInstr *&operator[](unsigned i) { return Insts[i]; }
|
|
|
|
MachineInstr *front() const { return Insts.front(); }
|
|
MachineInstr *back() const { return Insts.back(); }
|
|
|
|
iterator begin() { return Insts.begin(); }
|
|
const_iterator begin() const { return Insts.begin(); }
|
|
iterator end() { return Insts.end(); }
|
|
const_iterator end() const { return Insts.end(); }
|
|
reverse_iterator rbegin() { return Insts.rbegin(); }
|
|
const_reverse_iterator rbegin() const { return Insts.rbegin(); }
|
|
reverse_iterator rend () { return Insts.rend(); }
|
|
const_reverse_iterator rend () const { return Insts.rend(); }
|
|
|
|
void push_back(MachineInstr *MI) { Insts.push_back(MI); }
|
|
template<typename IT>
|
|
void insert(iterator I, IT S, IT E) { Insts.insert(I, S, E); }
|
|
iterator insert(iterator I, MachineInstr *M) { return Insts.insert(I, M); }
|
|
|
|
// erase - Remove the specified element or range from the instruction list.
|
|
// These functions do not delete any instructions removed.
|
|
//
|
|
iterator erase(iterator I) { return Insts.erase(I); }
|
|
iterator erase(iterator I, iterator E) { return Insts.erase(I, E); }
|
|
|
|
MachineInstr *pop_back() {
|
|
MachineInstr *R = back();
|
|
Insts.pop_back();
|
|
return R;
|
|
}
|
|
|
|
private: // Methods used to maintain doubly linked list of blocks...
|
|
friend class ilist_traits<MachineBasicBlock>;
|
|
|
|
MachineBasicBlock *getPrev() const { return Prev; }
|
|
MachineBasicBlock *getNext() const { return Next; }
|
|
void setPrev(MachineBasicBlock *P) { Prev = P; }
|
|
void setNext(MachineBasicBlock *N) { Next = N; }
|
|
};
|
|
|
|
|
|
#endif
|