#ifndef LLVM_CODEGEN_MACHINEMEMOPERAND_H
#define LLVM_CODEGEN_MACHINEMEMOPERAND_H
+#include "llvm/ADT/PointerUnion.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/Value.h" // PointerLikeTypeTraits<Value*>
#include "llvm/Support/DataTypes.h"
namespace llvm {
-class Value;
class FoldingSetNodeID;
class MDNode;
class raw_ostream;
/// V - This is the IR pointer value for the access, or it is null if unknown.
/// If this is null, then the access is to a pointer in the default address
/// space.
- const Value *V;
-
+ PointerUnion<const Value *, const PseudoSourceValue *> V;
+
/// Offset - This is an offset from the base Value*.
int64_t Offset;
-
- explicit MachinePointerInfo(const Value *v = 0, int64_t offset = 0)
+
+ explicit MachinePointerInfo(const Value *v = nullptr, int64_t offset = 0)
: V(v), Offset(offset) {}
-
+
+ explicit MachinePointerInfo(const PseudoSourceValue *v,
+ int64_t offset = 0)
+ : V(v), Offset(offset) {}
+
MachinePointerInfo getWithOffset(int64_t O) const {
- if (V == 0) return MachinePointerInfo(0, 0);
- return MachinePointerInfo(V, Offset+O);
+ if (V.isNull()) return MachinePointerInfo();
+ if (V.is<const Value*>())
+ return MachinePointerInfo(V.get<const Value*>(), Offset+O);
+ return MachinePointerInfo(V.get<const PseudoSourceValue*>(), Offset+O);
}
-
+
/// getAddrSpace - Return the LLVM IR address space number that this pointer
/// points into.
unsigned getAddrSpace() const;
-
+
/// getConstantPool - Return a MachinePointerInfo record that refers to the
/// constant pool.
static MachinePointerInfo getConstantPool();
/// 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);
};
-
-
+
+
//===----------------------------------------------------------------------===//
/// MachineMemOperand - A description of a memory reference used in the backend.
/// Instead of holding a StoreInst or LoadInst, this class holds the address
MachinePointerInfo PtrInfo;
uint64_t Size;
unsigned Flags;
- const MDNode *TBAAInfo;
+ AAMDNodes AAInfo;
const MDNode *Ranges;
public:
MONonTemporal = 8,
/// The memory access is invariant.
MOInvariant = 16,
+ // Target hints allow target passes to annotate memory operations.
+ MOTargetStartBit = 5,
+ MOTargetNumBits = 3,
// This is the number of bits we need to represent flags.
- MOMaxBits = 5
+ MOMaxBits = 8
};
/// 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, const MDNode *TBAAInfo = 0,
- const MDNode *Ranges = 0);
+ unsigned base_alignment,
+ const AAMDNodes &AAInfo = AAMDNodes(),
+ const MDNode *Ranges = nullptr);
const MachinePointerInfo &getPointerInfo() const { return PtrInfo; }
-
+
/// getValue - Return the base address of the memory access. This may either
/// be a normal LLVM IR Value, or one of the special values used in CodeGen.
/// Special values are those obtained via
/// other PseudoSourceValue member functions which return objects which stand
/// for frame/stack pointer relative references and other special references
/// which are not representable in the high-level IR.
- const Value *getValue() const { return PtrInfo.V; }
+ const Value *getValue() const { return PtrInfo.V.dyn_cast<const Value*>(); }
+
+ const PseudoSourceValue *getPseudoValue() const {
+ return PtrInfo.V.dyn_cast<const PseudoSourceValue*>();
+ }
+
+ const void *getOpaqueValue() const { return PtrInfo.V.getOpaqueValue(); }
/// getFlags - Return the raw flags of the source value, \see MemOperandFlags.
unsigned int getFlags() const { return Flags & ((1 << MOMaxBits) - 1); }
+ /// Bitwise OR the current flags with the given flags.
+ void setFlags(unsigned f) { Flags |= (f & ((1 << MOMaxBits) - 1)); }
+
/// getOffset - For normal values, this is a byte offset added to the base
/// address. For PseudoSourceValue::FPRel values, this is the FrameIndex
/// number.
int64_t getOffset() const { return PtrInfo.Offset; }
+ unsigned getAddrSpace() const { return PtrInfo.getAddrSpace(); }
+
/// getSize - Return the size in bytes of the memory reference.
uint64_t getSize() const { return Size; }
/// 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; }
+ /// getAAInfo - Return the AA tags for the memory reference.
+ AAMDNodes getAAInfo() const { return AAInfo; }
/// getRanges - Return the range tag for the memory reference.
const MDNode *getRanges() const { return Ranges; }
/// should only be used when an object is being relocated and all references
/// to it are being updated.
void setValue(const Value *NewSV) { PtrInfo.V = NewSV; }
+ void setValue(const PseudoSourceValue *NewSV) { PtrInfo.V = NewSV; }
void setOffset(int64_t NewOffset) { PtrInfo.Offset = NewOffset; }
/// Profile - Gather unique data for the object.
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