llvm-project/llvm/lib/Target/AMDGPU/Utils/AMDGPUAsmUtils.h
Ivan Kosarev 162386693f
[AMDGPU][MC] Support UC_VERSION_* constants. (#95618)
Our other tools support them, so we want them in LLVM
assembler/disassembler too.
2024-06-18 15:44:14 +01:00

134 lines
3.7 KiB
C++

//===-- AMDGPUAsmUtils.h - AsmParser/InstPrinter common ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUASMUTILS_H
#define LLVM_LIB_TARGET_AMDGPU_UTILS_AMDGPUASMUTILS_H
#include "SIDefines.h"
#include "llvm/ADT/StringRef.h"
namespace llvm {
class StringLiteral;
class MCSubtargetInfo;
namespace AMDGPU {
const int OPR_ID_UNKNOWN = -1;
const int OPR_ID_UNSUPPORTED = -2;
const int OPR_ID_DUPLICATE = -3;
const int OPR_VAL_INVALID = -4;
struct CustomOperand {
StringLiteral Name;
unsigned Encoding = 0;
bool (*Cond)(const MCSubtargetInfo &STI) = nullptr;
};
struct CustomOperandVal {
StringLiteral Name;
unsigned Max;
unsigned Default;
unsigned Shift;
unsigned Width;
bool (*Cond)(const MCSubtargetInfo &STI) = nullptr;
unsigned Mask = (1 << Width) - 1;
unsigned decode(unsigned Code) const { return (Code >> Shift) & Mask; }
unsigned encode(unsigned Val) const { return (Val & Mask) << Shift; }
unsigned getMask() const { return Mask << Shift; }
bool isValid(unsigned Val) const { return Val <= Max; }
bool isSupported(const MCSubtargetInfo &STI) const {
return !Cond || Cond(STI);
}
};
namespace DepCtr {
extern const CustomOperandVal DepCtrInfo[];
extern const int DEP_CTR_SIZE;
} // namespace DepCtr
// Symbolic names for the sendmsg(msg_id, operation, stream) syntax.
namespace SendMsg {
/// Map from a symbolic name for a msg_id to the message portion of the
/// immediate encoding. A negative return value indicates that the Name was
/// unknown or unsupported on this target.
int64_t getMsgId(StringRef Name, const MCSubtargetInfo &STI);
/// Map from an encoding to the symbolic name for a msg_id immediate. This is
/// doing opposite of getMsgId().
StringRef getMsgName(uint64_t Encoding, const MCSubtargetInfo &STI);
/// Map from a symbolic name for a sendmsg operation to the operation portion of
/// the immediate encoding. A negative return value indicates that the Name was
/// unknown or unsupported on this target.
int64_t getMsgOpId(int64_t MsgId, StringRef Name, const MCSubtargetInfo &STI);
/// Map from an encoding to the symbolic name for a sendmsg operation. This is
/// doing opposite of getMsgOpId().
StringRef getMsgOpName(int64_t MsgId, uint64_t Encoding,
const MCSubtargetInfo &STI);
} // namespace SendMsg
namespace Hwreg { // Symbolic names for the hwreg(...) syntax.
int64_t getHwregId(StringRef Name, const MCSubtargetInfo &STI);
StringRef getHwreg(uint64_t Encoding, const MCSubtargetInfo &STI);
} // namespace Hwreg
namespace MTBUFFormat {
extern StringLiteral const DfmtSymbolic[];
extern StringLiteral const NfmtSymbolicGFX10[];
extern StringLiteral const NfmtSymbolicSICI[];
extern StringLiteral const NfmtSymbolicVI[];
extern StringLiteral const UfmtSymbolicGFX10[];
extern StringLiteral const UfmtSymbolicGFX11[];
extern unsigned const DfmtNfmt2UFmtGFX10[];
extern unsigned const DfmtNfmt2UFmtGFX11[];
} // namespace MTBUFFormat
namespace Swizzle { // Symbolic names for the swizzle(...) syntax.
extern const char* const IdSymbolic[];
} // namespace Swizzle
namespace VGPRIndexMode { // Symbolic names for the gpr_idx(...) syntax.
extern const char* const IdSymbolic[];
} // namespace VGPRIndexMode
namespace UCVersion {
struct GFXVersion {
StringLiteral Symbol;
unsigned Code;
};
ArrayRef<GFXVersion> getGFXVersions();
} // namespace UCVersion
} // namespace AMDGPU
} // namespace llvm
#endif