#include "llvm/Support/DebugLoc.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Recycler.h"
-#include <map>
namespace llvm {
+class DILocation;
+class Value;
class Function;
class MachineRegisterInfo;
class MachineFrameInfo;
class MachineConstantPool;
class MachineJumpTableInfo;
+class Pass;
class TargetMachine;
class TargetRegisterClass;
// 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.
unsigned Alignment;
+ MachineFunction(const MachineFunction &); // intentionally unimplemented
+ void operator=(const MachineFunction&); // intentionally unimplemented
+
public:
- MachineFunction(Function *Fn, const TargetMachine &TM);
+ MachineFunction(Function *Fn, const TargetMachine &TM, unsigned FunctionNum);
~MachineFunction();
/// getFunction - Return the LLVM function that this machine code represents
///
Function *getFunction() const { return Fn; }
+ /// getFunctionNumber - Return a unique ID for the current function.
+ ///
+ unsigned getFunctionNumber() const { return FunctionNumber; }
+
/// getTarget - Return the target machine this machine code is compiled with
///
const TargetMachine &getTarget() const { return Target; }
const MachineFrameInfo *getFrameInfo() const { return FrameInfo; }
/// getJumpTableInfo - Return the jump table info object for the current
- /// function. This object contains information about jump tables for switch
- /// instructions in the current function.
- ///
- MachineJumpTableInfo *getJumpTableInfo() { return JumpTableInfo; }
+ /// function. This object contains information about jump tables in the
+ /// current function. If the current function has no jump tables, this will
+ /// return null.
const MachineJumpTableInfo *getJumpTableInfo() const { return JumpTableInfo; }
+ MachineJumpTableInfo *getJumpTableInfo() { return JumpTableInfo; }
+
+ /// getOrCreateJumpTableInfo - Get the JumpTableInfo for this function, if it
+ /// does already exist, allocate one.
+ MachineJumpTableInfo *getOrCreateJumpTableInfo(unsigned JTEntryKind);
+
/// getConstantPool - Return the constant pool object 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;
+ }
+
/// getInfo - Keep track of various per-function pieces of information for
/// backends that would like to do so.
///
AlignOf<Ty>::Alignment));
MFInfo = new (Loc) Ty(*this);
}
-
- assert((void*)dynamic_cast<Ty*>(MFInfo) == (void*)MFInfo &&
- "Invalid concrete type or multiple inheritence for getInfo");
return static_cast<Ty*>(MFInfo);
}
///
void dump() const;
+ /// verify - Run the current MachineFunction through the machine code
+ /// verifier, useful for debugger use.
+ void verify(Pass *p=NULL, bool allowDoubleDefs=false) const;
+
// Provide accessors for the MachineBasicBlock list...
typedef BasicBlockListType::iterator iterator;
typedef BasicBlockListType::const_iterator const_iterator;
void splice(iterator InsertPt, iterator MBBI) {
BasicBlocks.splice(InsertPt, BasicBlocks, MBBI);
}
+ void splice(iterator InsertPt, iterator MBBI, iterator MBBE) {
+ BasicBlocks.splice(InsertPt, BasicBlocks, MBBI, MBBE);
+ }
void remove(iterator MBBI) {
BasicBlocks.remove(MBBI);
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
+ /// instructions.
MachineInstr *CloneMachineInstr(const MachineInstr *Orig);
/// DeleteMachineInstr - Delete the given MachineInstr.
///
void DeleteMachineBasicBlock(MachineBasicBlock *MBB);
+ /// 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);
+
+ /// 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
+ /// explicitly deallocated.
+ MachineMemOperand *getMachineMemOperand(const MachineMemOperand *MMO,
+ int64_t Offset, uint64_t Size);
+
+ /// allocateMemRefsArray - Allocate an array to hold MachineMemOperand
+ /// pointers. This array is owned by the MachineFunction.
+ MachineInstr::mmo_iterator allocateMemRefsArray(unsigned long Num);
+
+ /// extractLoadMemRefs - Allocate an array and populate it with just the
+ /// load information from the given MachineMemOperand sequence.
+ std::pair<MachineInstr::mmo_iterator,
+ MachineInstr::mmo_iterator>
+ extractLoadMemRefs(MachineInstr::mmo_iterator Begin,
+ MachineInstr::mmo_iterator End);
+
+ /// extractStoreMemRefs - Allocate an array and populate it with just the
+ /// store information from the given MachineMemOperand sequence.
+ std::pair<MachineInstr::mmo_iterator,
+ MachineInstr::mmo_iterator>
+ extractStoreMemRefs(MachineInstr::mmo_iterator Begin,
+ MachineInstr::mmo_iterator End);
+
+ //===--------------------------------------------------------------------===//
+ // 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,
+ bool isLinkerPrivate = false) const;
+
+
//===--------------------------------------------------------------------===//
// Debug location.
//
- /// 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(MDNode *CompileUnit,
- unsigned Line, unsigned Col);
-
- /// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
- DebugLocTuple getDebugLocTuple(DebugLoc DL) const;
+ /// getDILocation - Get the DILocation for a given DebugLoc object.
+ DILocation getDILocation(DebugLoc DL) const;
/// getDefaultDebugLoc - Get the default debug location for the machine
/// function.
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