class MachineModuleInfo;
class MCContext;
class Pass;
+class PseudoSourceValueManager;
class TargetMachine;
+class TargetSubtargetInfo;
class TargetRegisterClass;
struct MachinePointerInfo;
/// 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 Function *Fn;
const TargetMachine &Target;
+ const TargetSubtargetInfo *STI;
MCContext &Ctx;
MachineModuleInfo &MMI;
- GCModuleInfo *GMI;
-
+
// RegInfo - Information about each register in use in the function.
MachineRegisterInfo *RegInfo;
/// 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 TargetMachine &getTarget() const { return Target; }
+ /// getSubtarget - Return the subtarget for which this machine code is being
+ /// compiled.
+ 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; }
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);
}
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.
//