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Imported Upstream version 5.18.0.207

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Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449
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Xamarin Public Jenkins (auto-signing)
2018-11-17 08:23:10 +00:00
parent 8e12397d70
commit eb85e2fc17
28480 changed files with 72 additions and 3866936 deletions
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185
external/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h vendored
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@ -1,185 +0,0 @@
//==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides WebAssembly-specific target descriptions.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H
#include "llvm/BinaryFormat/Wasm.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Support/DataTypes.h"
#include <memory>
namespace llvm {
class MCAsmBackend;
class MCCodeEmitter;
class MCContext;
class MCInstrInfo;
class MCObjectWriter;
class MCSubtargetInfo;
class MVT;
class Target;
class Triple;
class raw_pwrite_stream;
Target &getTheWebAssemblyTarget32();
Target &getTheWebAssemblyTarget64();
MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII);
MCAsmBackend *createWebAssemblyAsmBackend(const Triple &TT);
std::unique_ptr<MCObjectWriter>
createWebAssemblyELFObjectWriter(raw_pwrite_stream &OS,
bool Is64Bit, uint8_t OSABI);
std::unique_ptr<MCObjectWriter>
createWebAssemblyWasmObjectWriter(raw_pwrite_stream &OS,
bool Is64Bit);
namespace WebAssembly {
enum OperandType {
/// Basic block label in a branch construct.
OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET,
/// Local index.
OPERAND_LOCAL,
/// Global index.
OPERAND_GLOBAL,
/// 32-bit integer immediates.
OPERAND_I32IMM,
/// 64-bit integer immediates.
OPERAND_I64IMM,
/// 32-bit floating-point immediates.
OPERAND_F32IMM,
/// 64-bit floating-point immediates.
OPERAND_F64IMM,
/// 32-bit unsigned function indices.
OPERAND_FUNCTION32,
/// 32-bit unsigned memory offsets.
OPERAND_OFFSET32,
/// p2align immediate for load and store address alignment.
OPERAND_P2ALIGN,
/// signature immediate for block/loop.
OPERAND_SIGNATURE,
/// type signature immediate for call_indirect.
OPERAND_TYPEINDEX,
};
} // end namespace WebAssembly
namespace WebAssemblyII {
enum {
// For variadic instructions, this flag indicates whether an operand
// in the variable_ops range is an immediate value.
VariableOpIsImmediate = (1 << 0),
// For immediate values in the variable_ops range, this flag indicates
// whether the value represents a control-flow label.
VariableOpImmediateIsLabel = (1 << 1)
};
} // end namespace WebAssemblyII
} // end namespace llvm
// Defines symbolic names for WebAssembly registers. This defines a mapping from
// register name to register number.
//
#define GET_REGINFO_ENUM
#include "WebAssemblyGenRegisterInfo.inc"
// Defines symbolic names for the WebAssembly instructions.
//
#define GET_INSTRINFO_ENUM
#include "WebAssemblyGenInstrInfo.inc"
#define GET_SUBTARGETINFO_ENUM
#include "WebAssemblyGenSubtargetInfo.inc"
namespace llvm {
namespace WebAssembly {
/// Return the default p2align value for a load or store with the given opcode.
inline unsigned GetDefaultP2Align(unsigned Opcode) {
switch (Opcode) {
case WebAssembly::LOAD8_S_I32:
case WebAssembly::LOAD8_U_I32:
case WebAssembly::LOAD8_S_I64:
case WebAssembly::LOAD8_U_I64:
case WebAssembly::ATOMIC_LOAD8_U_I32:
case WebAssembly::ATOMIC_LOAD8_U_I64:
case WebAssembly::STORE8_I32:
case WebAssembly::STORE8_I64:
return 0;
case WebAssembly::LOAD16_S_I32:
case WebAssembly::LOAD16_U_I32:
case WebAssembly::LOAD16_S_I64:
case WebAssembly::LOAD16_U_I64:
case WebAssembly::ATOMIC_LOAD16_U_I32:
case WebAssembly::ATOMIC_LOAD16_U_I64:
case WebAssembly::STORE16_I32:
case WebAssembly::STORE16_I64:
return 1;
case WebAssembly::LOAD_I32:
case WebAssembly::LOAD_F32:
case WebAssembly::STORE_I32:
case WebAssembly::STORE_F32:
case WebAssembly::LOAD32_S_I64:
case WebAssembly::LOAD32_U_I64:
case WebAssembly::STORE32_I64:
case WebAssembly::ATOMIC_LOAD_I32:
case WebAssembly::ATOMIC_LOAD32_U_I64:
return 2;
case WebAssembly::LOAD_I64:
case WebAssembly::LOAD_F64:
case WebAssembly::STORE_I64:
case WebAssembly::STORE_F64:
case WebAssembly::ATOMIC_LOAD_I64:
return 3;
default:
llvm_unreachable("Only loads and stores have p2align values");
}
}
/// The operand number of the load or store address in load/store instructions.
static const unsigned LoadAddressOperandNo = 3;
static const unsigned StoreAddressOperandNo = 2;
/// The operand number of the load or store p2align in load/store instructions.
static const unsigned LoadP2AlignOperandNo = 1;
static const unsigned StoreP2AlignOperandNo = 0;
/// This is used to indicate block signatures.
enum class ExprType {
Void = -0x40,
I32 = -0x01,
I64 = -0x02,
F32 = -0x03,
F64 = -0x04,
I8x16 = -0x05,
I16x8 = -0x06,
I32x4 = -0x07,
F32x4 = -0x08,
B8x16 = -0x09,
B16x8 = -0x0a,
B32x4 = -0x0b
};
/// Instruction opcodes emitted via means other than CodeGen.
static const unsigned Nop = 0x01;
static const unsigned End = 0x0b;
wasm::ValType toValType(const MVT &Ty);
} // end namespace WebAssembly
} // end namespace llvm
#endif