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//===-- SPIRVBaseInfo.cpp - Top level SPIRV definitions ---------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation for helper mnemonic lookup functions,
// versioning/capabilities/extensions getters for symbolic/named operands used
// in various SPIR-V instructions.
//
//===----------------------------------------------------------------------===//
#include "SPIRVBaseInfo.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
namespace llvm {
namespace SPIRV {
struct SymbolicOperand {
OperandCategory::OperandCategory Category;
uint32_t Value;
StringRef Mnemonic;
uint32_t MinVersion;
uint32_t MaxVersion;
};
struct ExtensionEntry {
OperandCategory::OperandCategory Category;
uint32_t Value;
Extension::Extension ReqExtension;
};
struct CapabilityEntry {
OperandCategory::OperandCategory Category;
uint32_t Value;
Capability::Capability ReqCapability;
};
using namespace OperandCategory;
using namespace Extension;
using namespace Capability;
using namespace InstructionSet;
#define GET_SymbolicOperands_DECL
#define GET_SymbolicOperands_IMPL
#define GET_ExtensionEntries_DECL
#define GET_ExtensionEntries_IMPL
#define GET_CapabilityEntries_DECL
#define GET_CapabilityEntries_IMPL
#define GET_ExtendedBuiltins_DECL
#define GET_ExtendedBuiltins_IMPL
#include "SPIRVGenTables.inc"
} // namespace SPIRV
std::string
getSymbolicOperandMnemonic(SPIRV::OperandCategory::OperandCategory Category,
int32_t Value) {
const SPIRV::SymbolicOperand *Lookup =
SPIRV::lookupSymbolicOperandByCategoryAndValue(Category, Value);
// Value that encodes just one enum value.
if (Lookup)
return Lookup->Mnemonic.str();
if (Category != SPIRV::OperandCategory::ImageOperandOperand &&
Category != SPIRV::OperandCategory::FPFastMathModeOperand &&
Category != SPIRV::OperandCategory::SelectionControlOperand &&
Category != SPIRV::OperandCategory::LoopControlOperand &&
Category != SPIRV::OperandCategory::FunctionControlOperand &&
Category != SPIRV::OperandCategory::MemorySemanticsOperand &&
Category != SPIRV::OperandCategory::MemoryOperandOperand &&
Category != SPIRV::OperandCategory::KernelProfilingInfoOperand)
return "UNKNOWN";
// Value that encodes many enum values (one bit per enum value).
std::string Name;
std::string Separator;
const SPIRV::SymbolicOperand *EnumValueInCategory =
SPIRV::lookupSymbolicOperandByCategory(Category);
while (EnumValueInCategory && EnumValueInCategory->Category == Category) {
if ((EnumValueInCategory->Value != 0) &&
(Value & EnumValueInCategory->Value)) {
Name += Separator + EnumValueInCategory->Mnemonic.str();
Separator = "|";
}
++EnumValueInCategory;
}
return Name;
}
uint32_t
getSymbolicOperandMinVersion(SPIRV::OperandCategory::OperandCategory Category,
uint32_t Value) {
const SPIRV::SymbolicOperand *Lookup =
SPIRV::lookupSymbolicOperandByCategoryAndValue(Category, Value);
if (Lookup)
return Lookup->MinVersion;
return 0;
}
uint32_t
getSymbolicOperandMaxVersion(SPIRV::OperandCategory::OperandCategory Category,
uint32_t Value) {
const SPIRV::SymbolicOperand *Lookup =
SPIRV::lookupSymbolicOperandByCategoryAndValue(Category, Value);
if (Lookup)
return Lookup->MaxVersion;
return 0;
}
CapabilityList
getSymbolicOperandCapabilities(SPIRV::OperandCategory::OperandCategory Category,
uint32_t Value) {
const SPIRV::CapabilityEntry *Capability =
SPIRV::lookupCapabilityByCategoryAndValue(Category, Value);
CapabilityList Capabilities;
while (Capability && Capability->Category == Category &&
Capability->Value == Value) {
Capabilities.push_back(
static_cast<SPIRV::Capability::Capability>(Capability->ReqCapability));
++Capability;
}
return Capabilities;
}
ExtensionList
getSymbolicOperandExtensions(SPIRV::OperandCategory::OperandCategory Category,
uint32_t Value) {
const SPIRV::ExtensionEntry *Extension =
SPIRV::lookupExtensionByCategoryAndValue(Category, Value);
ExtensionList Extensions;
while (Extension && Extension->Category == Category &&
Extension->Value == Value) {
Extensions.push_back(
static_cast<SPIRV::Extension::Extension>(Extension->ReqExtension));
++Extension;
}
return Extensions;
}
std::string getLinkStringForBuiltIn(SPIRV::BuiltIn::BuiltIn BuiltInValue) {
const SPIRV::SymbolicOperand *Lookup =
SPIRV::lookupSymbolicOperandByCategoryAndValue(
SPIRV::OperandCategory::BuiltInOperand, BuiltInValue);
if (Lookup)
return "__spirv_BuiltIn" + Lookup->Mnemonic.str();
return "UNKNOWN_BUILTIN";
}
bool getSpirvBuiltInIdByName(llvm::StringRef Name,
SPIRV::BuiltIn::BuiltIn &BI) {
const std::string Prefix = "__spirv_BuiltIn";
if (!Name.startswith(Prefix))
return false;
const SPIRV::SymbolicOperand *Lookup =
SPIRV::lookupSymbolicOperandByCategoryAndMnemonic(
SPIRV::OperandCategory::BuiltInOperand,
Name.drop_front(Prefix.length()));
if (!Lookup)
return false;
BI = static_cast<SPIRV::BuiltIn::BuiltIn>(Lookup->Value);
return true;
}
std::string getExtInstSetName(SPIRV::InstructionSet::InstructionSet Set) {
switch (Set) {
case SPIRV::InstructionSet::OpenCL_std:
return "OpenCL.std";
case SPIRV::InstructionSet::GLSL_std_450:
return "GLSL.std.450";
case SPIRV::InstructionSet::SPV_AMD_shader_trinary_minmax:
return "SPV_AMD_shader_trinary_minmax";
}
return "UNKNOWN_EXT_INST_SET";
}
SPIRV::InstructionSet::InstructionSet
getExtInstSetFromString(std::string SetName) {
for (auto Set : {SPIRV::InstructionSet::GLSL_std_450,
SPIRV::InstructionSet::OpenCL_std}) {
if (SetName == getExtInstSetName(Set))
return Set;
}
llvm_unreachable("UNKNOWN_EXT_INST_SET");
}
std::string getExtInstName(SPIRV::InstructionSet::InstructionSet Set,
uint32_t InstructionNumber) {
const SPIRV::ExtendedBuiltin *Lookup =
SPIRV::lookupExtendedBuiltinBySetAndNumber(
SPIRV::InstructionSet::OpenCL_std, InstructionNumber);
if (!Lookup)
return "UNKNOWN_EXT_INST";
return Lookup->Name.str();
}
} // namespace llvm
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