#ifndef LLVM_CODEGEN_MACHINEFUNCTION_H
#define LLVM_CODEGEN_MACHINEFUNCTION_H
-#include "llvm/ADT/alist.h"
+#include "llvm/ADT/ilist.h"
+#include "llvm/Support/DebugLoc.h"
+#include "llvm/CodeGen/Dump.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/Support/Annotation.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Recycler.h"
namespace llvm {
class Function;
-class TargetMachine;
class MachineRegisterInfo;
class MachineFrameInfo;
class MachineConstantPool;
class MachineJumpTableInfo;
+class TargetMachine;
+class TargetRegisterClass;
template <>
-class alist_traits<MachineBasicBlock, MachineBasicBlock> {
- typedef alist_iterator<MachineBasicBlock> iterator;
+struct ilist_traits<MachineBasicBlock>
+ : public ilist_default_traits<MachineBasicBlock> {
+ mutable ilist_node<MachineBasicBlock> Sentinel;
public:
+ MachineBasicBlock *createSentinel() const {
+ return static_cast<MachineBasicBlock*>(&Sentinel);
+ }
+ void destroySentinel(MachineBasicBlock *) const {}
+
+ MachineBasicBlock *provideInitialHead() const { return createSentinel(); }
+ MachineBasicBlock *ensureHead(MachineBasicBlock*) const {
+ return createSentinel();
+ }
+ static void noteHead(MachineBasicBlock*, MachineBasicBlock*) {}
+
void addNodeToList(MachineBasicBlock* MBB);
void removeNodeFromList(MachineBasicBlock* MBB);
- void transferNodesFromList(alist_traits<MachineBasicBlock> &,
- iterator,
- iterator) {}
void deleteNode(MachineBasicBlock *MBB);
+private:
+ void createNode(const MachineBasicBlock &);
};
/// MachineFunctionInfo - This class can be derived from and used by targets to
virtual ~MachineFunctionInfo() {}
};
-class MachineFunction : private Annotation {
- const Function *Fn;
+class MachineFunction {
+ Function *Fn;
const TargetMachine &Target;
// RegInfo - Information about each register in use in the function.
// Allocation management for basic blocks in function.
Recycler<MachineBasicBlock> BasicBlockRecycler;
- // Allocation management for memoperands in function.
- Recycler<MachineMemOperand> MemOperandRecycler;
-
// List of machine basic blocks in function
- typedef alist<MachineBasicBlock> BasicBlockListType;
+ typedef ilist<MachineBasicBlock> BasicBlockListType;
BasicBlockListType BasicBlocks;
+ // Default debug location. Used to print out the debug label at the beginning
+ // of a function.
+ DebugLoc DefaultDebugLoc;
+
+ // Tracks debug locations.
+ DebugLocTracker DebugLocInfo;
+
+ // The alignment of the function.
+ unsigned Alignment;
+
public:
- MachineFunction(const Function *Fn, const TargetMachine &TM);
+ MachineFunction(Function *Fn, const TargetMachine &TM);
~MachineFunction();
/// getFunction - Return the LLVM function that this machine code represents
///
- const Function *getFunction() const { return Fn; }
+ Function *getFunction() const { return Fn; }
/// getTarget - Return the target machine this machine code is compiled with
///
MachineConstantPool *getConstantPool() { return ConstantPool; }
const MachineConstantPool *getConstantPool() const { return ConstantPool; }
+ /// getAlignment - Return the alignment (log2, not bytes) of the function.
+ ///
+ unsigned getAlignment() const { return Alignment; }
+
+ /// setAlignment - Set the alignment (log2, not bytes) of the function.
+ ///
+ void setAlignment(unsigned A) { Alignment = A; }
+
/// MachineFunctionInfo - Keep track of various per-function pieces of
/// information for backends that would like to do so.
///
/// basic block can be found by using the MBB::getBlockNumber method, this
/// method provides the inverse mapping.
///
- MachineBasicBlock *getBlockNumbered(unsigned N) {
+ MachineBasicBlock *getBlockNumbered(unsigned N) const {
assert(N < MBBNumbering.size() && "Illegal block number");
assert(MBBNumbering[N] && "Block was removed from the machine function!");
return MBBNumbering[N];
/// print - Print out the MachineFunction in a format suitable for debugging
/// to the specified stream.
///
- void print(std::ostream &OS) const;
- void print(std::ostream *OS) const { if (OS) print(*OS); }
+ void print(std::ostream &OS,
+ const PrefixPrinter &prefix = PrefixPrinter()) const;
+ void print(std::ostream *OS,
+ const PrefixPrinter &prefix = PrefixPrinter()) const {
+ if (OS) print(*OS, prefix);
+ }
/// viewCFG - This function is meant for use from the debugger. You can just
/// say 'call F->viewCFG()' and a ghostview window should pop up from the
///
void dump() const;
- /// construct - Allocate and initialize a MachineFunction for a given Function
- /// and Target
- ///
- static MachineFunction& construct(const Function *F, const TargetMachine &TM);
-
- /// destruct - Destroy the MachineFunction corresponding to a given Function
- ///
- static void destruct(const Function *F);
-
- /// get - Return a handle to a MachineFunction corresponding to the given
- /// Function. This should not be called before "construct()" for a given
- /// Function.
- ///
- static MachineFunction& get(const Function *F);
-
// Provide accessors for the MachineBasicBlock list...
typedef BasicBlockListType::iterator iterator;
typedef BasicBlockListType::const_iterator const_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
+ /// addLiveIn - Add the specified physical register as a live-in value and
+ /// create a corresponding virtual register for it.
+ unsigned addLiveIn(unsigned PReg, const TargetRegisterClass *RC);
+
//===--------------------------------------------------------------------===//
// BasicBlock accessor functions.
//
/// of `new MachineInstr'.
///
MachineInstr *CreateMachineInstr(const TargetInstrDesc &TID,
+ DebugLoc DL,
bool NoImp = false);
/// CloneMachineInstr - Create a new MachineInstr which is a copy of the
///
void DeleteMachineBasicBlock(MachineBasicBlock *MBB);
- /// CreateMachineMemOperand - Allocate a new MachineMemOperand. Use this
- /// instead of `new MachineMemOperand'.
- ///
- MachineMemOperand *CreateMachineMemOperand(const MachineMemOperand &MMO);
+ //===--------------------------------------------------------------------===//
+ // Debug location.
+ //
- /// DeleteMachineMemOperand - Delete the given MachineMemOperand.
- ///
- void DeleteMachineMemOperand(MachineMemOperand *MMO);
+ /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
+ /// source file, line, and column. If none currently exists, create a new
+ /// DebugLocTuple, and insert it into the DebugIdMap.
+ unsigned getOrCreateDebugLocID(GlobalVariable *CompileUnit,
+ unsigned Line, unsigned Col);
+
+ /// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
+ DebugLocTuple getDebugLocTuple(DebugLoc DL) const;
+
+ /// getDefaultDebugLoc - Get the default debug location for the machine
+ /// function.
+ DebugLoc getDefaultDebugLoc() const { return DefaultDebugLoc; }
+
+ /// setDefaultDebugLoc - Get the default debug location for the machine
+ /// function.
+ void setDefaultDebugLoc(DebugLoc DL) { DefaultDebugLoc = DL; }
+
+ /// getDebugLocInfo - Get the debug info location tracker.
+ DebugLocTracker &getDebugLocInfo() { return DebugLocInfo; }
};
//===--------------------------------------------------------------------===//
// nodes_iterator/begin/end - Allow iteration over all nodes in the graph
typedef MachineFunction::const_iterator nodes_iterator;
- static nodes_iterator nodes_begin(const MachineFunction *F) { return F->begin(); }
- static nodes_iterator nodes_end (const MachineFunction *F) { return F->end(); }
+ static nodes_iterator nodes_begin(const MachineFunction *F) {
+ return F->begin();
+ }
+ static nodes_iterator nodes_end (const MachineFunction *F) {
+ return F->end();
+ }
};
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