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Add BasicBlock list to MchineFunction that will eventually be the only 

way to access MachineBasicBlocks.  For now, it is never filled.

llvm-svn: 4324
This commit is contained in:
Chris Lattner 2002-10-28 02:08:43 +00:00
parent 2a3bd1c562
commit defd415d01
2 changed files with 19 additions and 4 deletions
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10
llvm/include/llvm/CodeGen/MachineBasicBlock.h
View File

@ -11,11 +11,13 @@
#include <vector> #include <vector>
class BasicBlock; class BasicBlock;
class MachineInstr; class MachineInstr;
template <typename T> struct ilist_traits;
extern AnnotationID MCFBB_AID; extern AnnotationID MCFBB_AID;
class MachineBasicBlock : public Annotation { class MachineBasicBlock : public Annotation {
std::vector<MachineInstr*> Insts; std::vector<MachineInstr*> Insts;
MachineBasicBlock *Prev, *Next;
public: public:
MachineBasicBlock() : Annotation(MCFBB_AID) {} MachineBasicBlock() : Annotation(MCFBB_AID) {}
~MachineBasicBlock() {} ~MachineBasicBlock() {}
@ -70,6 +72,14 @@ public:
Insts.pop_back(); Insts.pop_back();
return R; 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; }
}; };

11
llvm/include/llvm/CodeGen/MachineFunction.h
View File

@ -12,7 +12,9 @@
#include "llvm/CodeGen/MachineBasicBlock.h" #include "llvm/CodeGen/MachineBasicBlock.h"
#include "Support/NonCopyable.h" #include "Support/NonCopyable.h"
#include "Support/HashExtras.h" #include "Support/HashExtras.h"
#include <Support/hash_set> #include "Support/hash_set"
#include "Support/ilist"
class Value; class Value;
class Function; class Function;
class Constant; class Constant;
@ -24,11 +26,14 @@ Pass *createMachineCodeConstructionPass(TargetMachine &Target);
Pass *createMachineCodeDestructionPass(); Pass *createMachineCodeDestructionPass();
class MachineFunction : private Annotation { class MachineFunction : private Annotation {
hash_set<const Constant*> constantsForConstPool;
hash_map<const Value*, int> offsets;
const Function *method; const Function *method;
// List of machine basic blocks in function
iplist<MachineBasicBlock> BasicBlocks;
// FIXME: State should be held elsewhere... // FIXME: State should be held elsewhere...
hash_set<const Constant*> constantsForConstPool;
hash_map<const Value*, int> offsets;
unsigned staticStackSize; unsigned staticStackSize;
unsigned automaticVarsSize; unsigned automaticVarsSize;
unsigned regSpillsSize; unsigned regSpillsSize;