#ifndef LLVM_CODEGEN_MACHINEMEMOPERAND_H
#define LLVM_CODEGEN_MACHINEMEMOPERAND_H
-#include "llvm/System/DataTypes.h"
+#include "llvm/Support/DataTypes.h"
namespace llvm {
class Value;
class FoldingSetNodeID;
+class MDNode;
class raw_ostream;
/// MachinePointerInfo - This class contains a discriminated union of
/// getFixedStack - Return a MachinePointerInfo record that refers to the
/// the specified FrameIndex.
static MachinePointerInfo getFixedStack(int FI, int64_t offset = 0);
+
+ /// getJumpTable - Return a MachinePointerInfo record that refers to a
+ /// jump table entry.
+ static MachinePointerInfo getJumpTable();
+
+ /// getGOT - Return a MachinePointerInfo record that refers to a
+ /// GOT entry.
+ static MachinePointerInfo getGOT();
+
+ /// getStack - stack pointer relative access.
+ static MachinePointerInfo getStack(int64_t Offset);
};
MachinePointerInfo PtrInfo;
uint64_t Size;
unsigned Flags;
+ const MDNode *TBAAInfo;
+ const MDNode *Ranges;
public:
/// Flags values. These may be or'd together.
MOVolatile = 4,
/// The memory access is non-temporal.
MONonTemporal = 8,
+ /// The memory access is invariant.
+ MOInvariant = 16,
// This is the number of bits we need to represent flags.
- MOMaxBits = 4
+ MOMaxBits = 5
};
/// MachineMemOperand - Construct an MachineMemOperand object with the
/// specified PtrInfo, flags, size, and base alignment.
MachineMemOperand(MachinePointerInfo PtrInfo, unsigned flags, uint64_t s,
- unsigned base_alignment);
+ unsigned base_alignment, const MDNode *TBAAInfo = 0,
+ const MDNode *Ranges = 0);
const MachinePointerInfo &getPointerInfo() const { return PtrInfo; }
/// base address, without the offset.
uint64_t getBaseAlignment() const { return (1u << (Flags >> MOMaxBits)) >> 1; }
+ /// getTBAAInfo - Return the TBAA tag for the memory reference.
+ const MDNode *getTBAAInfo() const { return TBAAInfo; }
+
+ /// getRanges - Return the range tag for the memory reference.
+ const MDNode *getRanges() const { return Ranges; }
+
bool isLoad() const { return Flags & MOLoad; }
bool isStore() const { return Flags & MOStore; }
bool isVolatile() const { return Flags & MOVolatile; }
bool isNonTemporal() const { return Flags & MONonTemporal; }
+ bool isInvariant() const { return Flags & MOInvariant; }
/// refineAlignment - Update this MachineMemOperand to reflect the alignment
/// of MMO, if it has a greater alignment. This must only be used when the