namespace llvm {
-class DILocation;
class Value;
class Function;
+class GCModuleInfo;
class MachineRegisterInfo;
class MachineFrameInfo;
class MachineConstantPool;
class MachineJumpTableInfo;
+class MachineModuleInfo;
+class MCContext;
+class Pass;
class TargetMachine;
class TargetRegisterClass;
+struct MachinePointerInfo;
template <>
struct ilist_traits<MachineBasicBlock>
};
class MachineFunction {
- Function *Fn;
+ const Function *Fn;
const TargetMachine &Target;
-
+ MCContext &Ctx;
+ MachineModuleInfo &MMI;
+ GCModuleInfo *GMI;
+
// RegInfo - Information about each register in use in the function.
MachineRegisterInfo *RegInfo;
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;
-
/// FunctionNumber - This provides a unique ID for each function emitted in
/// this translation unit.
///
unsigned FunctionNumber;
- // The alignment of the function.
+ /// Alignment - The alignment of the function.
unsigned Alignment;
- MachineFunction(const MachineFunction &); // intentionally unimplemented
- void operator=(const MachineFunction&); // intentionally unimplemented
+ /// CallsSetJmp - True if the function calls setjmp or sigsetjmp. This is used
+ /// to limit optimizations which cannot reason about the control flow of
+ /// setjmp.
+ bool CallsSetJmp;
+ MachineFunction(const MachineFunction &); // DO NOT IMPLEMENT
+ void operator=(const MachineFunction&); // DO NOT IMPLEMENT
public:
- MachineFunction(Function *Fn, const TargetMachine &TM, unsigned FunctionNum);
+ MachineFunction(const Function *Fn, const TargetMachine &TM,
+ unsigned FunctionNum, MachineModuleInfo &MMI,
+ GCModuleInfo* GMI);
~MachineFunction();
+ MachineModuleInfo &getMMI() const { return MMI; }
+ GCModuleInfo *getGMI() const { return GMI; }
+ MCContext &getContext() const { return Ctx; }
+
/// getFunction - Return the LLVM function that this machine code represents
///
- Function *getFunction() const { return Fn; }
+ const Function *getFunction() const { return Fn; }
/// getFunctionNumber - Return a unique ID for the current function.
///
///
void setAlignment(unsigned A) { Alignment = A; }
+ /// EnsureAlignment - Make sure the function is at least 'A' bits aligned.
+ void EnsureAlignment(unsigned A) {
+ if (Alignment < A) Alignment = A;
+ }
+
+ /// callsSetJmp - Returns true if the function calls setjmp or sigsetjmp.
+ bool callsSetJmp() const {
+ return CallsSetJmp;
+ }
+
+ /// setCallsSetJmp - Set a flag that indicates if there's a call to setjmp or
+ /// sigsetjmp.
+ void setCallsSetJmp(bool B) {
+ CallsSetJmp = B;
+ }
+
/// getInfo - Keep track of various per-function pieces of information for
/// backends that would like to do so.
///
/// print - Print out the MachineFunction in a format suitable for debugging
/// to the specified stream.
///
- void print(raw_ostream &OS) const;
+ void print(raw_ostream &OS, SlotIndexes* = 0) const;
/// 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
/// verify - Run the current MachineFunction through the machine code
/// verifier, useful for debugger use.
- void verify(Pass *p=NULL, bool allowDoubleDefs=false) const;
+ void verify(Pass *p=NULL) const;
// Provide accessors for the MachineBasicBlock list...
typedef BasicBlockListType::iterator iterator;
bool NoImp = false);
/// CloneMachineInstr - Create a new MachineInstr which is a copy of the
- /// 'Orig' instruction, identical in all ways except the the instruction
+ /// 'Orig' instruction, identical in all ways except the instruction
/// has no parent, prev, or next.
///
/// See also TargetInstrInfo::duplicate() for target-specific fixes to cloned
/// getMachineMemOperand - Allocate a new MachineMemOperand.
/// MachineMemOperands are owned by the MachineFunction and need not be
/// explicitly deallocated.
- MachineMemOperand *getMachineMemOperand(const Value *v, unsigned f,
- int64_t o, uint64_t s,
- unsigned base_alignment);
-
+ MachineMemOperand *getMachineMemOperand(MachinePointerInfo PtrInfo,
+ unsigned f, uint64_t s,
+ unsigned base_alignment,
+ const MDNode *TBAAInfo = 0);
+
/// 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
MachineInstr::mmo_iterator End);
//===--------------------------------------------------------------------===//
- // Debug location.
+ // Label Manipulation.
//
-
- /// getDILocation - Get the DILocation for a given DebugLoc object.
- DILocation getDILocation(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; }
+
+ /// 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,
+ bool isLinkerPrivate = false) const;
};
//===--------------------------------------------------------------------===//
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