class MachineModuleInfo;
class MCContext;
class Pass;
+class PseudoSourceValueManager;
class TargetMachine;
class TargetSubtargetInfo;
class TargetRegisterClass;
struct MachinePointerInfo;
+struct WinEHFuncInfo;
template <>
struct ilist_traits<MachineBasicBlock>
/// MachineFunction is destroyed.
struct MachineFunctionInfo {
virtual ~MachineFunctionInfo();
+
+ /// \brief Factory function: default behavior is to call new using the
+ /// supplied allocator.
+ ///
+ /// This function can be overridden in a derive class.
+ template<typename Ty>
+ static Ty *create(BumpPtrAllocator &Allocator, MachineFunction &MF) {
+ return new (Allocator.Allocate<Ty>()) Ty(MF);
+ }
};
class MachineFunction {
const TargetSubtargetInfo *STI;
MCContext &Ctx;
MachineModuleInfo &MMI;
- GCModuleInfo *GMI;
-
+
// RegInfo - Information about each register in use in the function.
MachineRegisterInfo *RegInfo;
// Keep track of constants which are spilled to memory
MachineConstantPool *ConstantPool;
-
+
// Keep track of jump tables for switch instructions
MachineJumpTableInfo *JumpTableInfo;
+ // Keeps track of Windows exception handling related data. This will be null
+ // for functions that aren't using a funclet-based EH personality.
+ WinEHFuncInfo *WinEHInfo = nullptr;
+
// Function-level unique numbering for MachineBasicBlocks. When a
// MachineBasicBlock is inserted into a MachineFunction is it automatically
// numbered and this vector keeps track of the mapping from ID's to MBB's.
/// this translation unit.
///
unsigned FunctionNumber;
-
+
/// Alignment - The alignment of the function.
unsigned Alignment;
/// True if the function includes any inline assembly.
bool HasInlineAsm;
- MachineFunction(const MachineFunction &) LLVM_DELETED_FUNCTION;
- void operator=(const MachineFunction&) LLVM_DELETED_FUNCTION;
+ // Allocation management for pseudo source values.
+ std::unique_ptr<PseudoSourceValueManager> PSVManager;
+
+ MachineFunction(const MachineFunction &) = delete;
+ void operator=(const MachineFunction&) = delete;
public:
MachineFunction(const Function *Fn, const TargetMachine &TM,
- unsigned FunctionNum, MachineModuleInfo &MMI,
- GCModuleInfo* GMI);
+ unsigned FunctionNum, MachineModuleInfo &MMI);
~MachineFunction();
MachineModuleInfo &getMMI() const { return MMI; }
- GCModuleInfo *getGMI() const { return GMI; }
MCContext &getContext() const { return Ctx; }
+ PseudoSourceValueManager &getPSVManager() const { return *PSVManager; }
+
+ /// Return the DataLayout attached to the Module associated to this MF.
+ const DataLayout &getDataLayout() const;
+
/// getFunction - Return the LLVM function that this machine code represents
///
const Function *getFunction() const { return Fn; }
const TargetSubtargetInfo &getSubtarget() const { return *STI; }
void setSubtarget(const TargetSubtargetInfo *ST) { STI = ST; }
+ /// getSubtarget - This method returns a pointer to the specified type of
+ /// TargetSubtargetInfo. In debug builds, it verifies that the object being
+ /// returned is of the correct type.
+ template<typename STC> const STC &getSubtarget() const {
+ return *static_cast<const STC *>(STI);
+ }
+
/// getRegInfo - Return information about the registers currently in use.
///
MachineRegisterInfo &getRegInfo() { return *RegInfo; }
MachineFrameInfo *getFrameInfo() { return FrameInfo; }
const MachineFrameInfo *getFrameInfo() const { return FrameInfo; }
- /// getJumpTableInfo - Return the jump table info object for the current
+ /// getJumpTableInfo - Return the jump table info object for the current
/// function. This object contains information about jump tables in the
/// current function. If the current function has no jump tables, this will
/// return null.
/// does already exist, allocate one.
MachineJumpTableInfo *getOrCreateJumpTableInfo(unsigned JTEntryKind);
-
/// getConstantPool - Return the constant pool object for the current
/// function.
///
MachineConstantPool *getConstantPool() { return ConstantPool; }
const MachineConstantPool *getConstantPool() const { return ConstantPool; }
+ /// getWinEHFuncInfo - Return information about how the current function uses
+ /// Windows exception handling. Returns null for functions that don't use
+ /// funclets for exception handling.
+ const WinEHFuncInfo *getWinEHFuncInfo() const { return WinEHInfo; }
+ WinEHFuncInfo *getWinEHFuncInfo() { return WinEHInfo; }
+
/// getAlignment - Return the alignment (log2, not bytes) of the function.
///
unsigned getAlignment() const { return Alignment; }
template<typename Ty>
Ty *getInfo() {
if (!MFInfo)
- MFInfo = new (Allocator.Allocate<Ty>()) Ty(*this);
+ MFInfo = Ty::template create<Ty>(Allocator, *this);
return static_cast<Ty*>(MFInfo);
}
}
/// Should we be emitting segmented stack stuff for the function
- bool shouldSplitStack();
+ bool shouldSplitStack() const;
/// getNumBlockIDs - Return the number of MBB ID's allocated.
///
unsigned getNumBlockIDs() const { return (unsigned)MBBNumbering.size(); }
-
+
/// RenumberBlocks - This discards all of the MachineBasicBlock numbers and
/// recomputes them. This guarantees that the MBB numbers are sequential,
/// dense, and match the ordering of the blocks within the function. If a
/// specific MachineBasicBlock is specified, only that block and those after
/// it are renumbered.
void RenumberBlocks(MachineBasicBlock *MBBFrom = nullptr);
-
+
/// print - Print out the MachineFunction in a format suitable for debugging
/// to the specified stream.
///
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
+ /// Support for MachineBasicBlock::getNextNode().
+ static BasicBlockListType MachineFunction::*
+ getSublistAccess(MachineBasicBlock *) {
+ return &MachineFunction::BasicBlocks;
+ }
+
/// 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);
void splice(iterator InsertPt, iterator MBBI) {
BasicBlocks.splice(InsertPt, BasicBlocks, MBBI);
}
+ void splice(iterator InsertPt, MachineBasicBlock *MBB) {
+ BasicBlocks.splice(InsertPt, BasicBlocks, MBB);
+ }
void splice(iterator InsertPt, iterator MBBI, iterator MBBE) {
BasicBlocks.splice(InsertPt, BasicBlocks, MBBI, MBBE);
}
- void remove(iterator MBBI) {
- BasicBlocks.remove(MBBI);
- }
- void erase(iterator MBBI) {
- BasicBlocks.erase(MBBI);
+ void remove(iterator MBBI) { BasicBlocks.remove(MBBI); }
+ void remove(MachineBasicBlock *MBBI) { BasicBlocks.remove(MBBI); }
+ void erase(iterator MBBI) { BasicBlocks.erase(MBBI); }
+ void erase(MachineBasicBlock *MBBI) { BasicBlocks.erase(MBBI); }
+
+ template <typename Comp>
+ void sort(Comp comp) {
+ BasicBlocks.sort(comp);
}
//===--------------------------------------------------------------------===//
unsigned base_alignment,
const AAMDNodes &AAInfo = AAMDNodes(),
const MDNode *Ranges = nullptr);
-
+
/// getMachineMemOperand - Allocate a new MachineMemOperand by copying
/// an existing one, adjusting by an offset and using the given size.
/// MachineMemOperands are owned by the MachineFunction and need not be
extractStoreMemRefs(MachineInstr::mmo_iterator Begin,
MachineInstr::mmo_iterator End);
+ /// Allocate a string and populate it with the given external symbol name.
+ const char *createExternalSymbolName(StringRef Name);
+
//===--------------------------------------------------------------------===//
// Label Manipulation.
//
-
+
/// getJTISymbol - Return the MCSymbol for the specified non-empty jump table.
/// If isLinkerPrivate is specified, an 'l' label is returned, otherwise a
/// normal 'L' label is returned.
- MCSymbol *getJTISymbol(unsigned JTI, MCContext &Ctx,
+ MCSymbol *getJTISymbol(unsigned JTI, MCContext &Ctx,
bool isLinkerPrivate = false) const;
-
+
/// getPICBaseSymbol - Return a function-local symbol to represent the PIC
/// base.
MCSymbol *getPICBaseSymbol() const;
projects / oota-llvm.git / blobdiff