102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
//===--- SPIRVCommandLine.cpp ---- Command Line Options ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains definitions of classes and functions needed for
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// processing, parsing, and using CLI options for the SPIR-V backend.
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//
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//===----------------------------------------------------------------------===//
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#include "SPIRVCommandLine.h"
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#include "llvm/ADT/StringRef.h"
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#include <algorithm>
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#include <map>
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#define DEBUG_TYPE "spirv-commandline"
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using namespace llvm;
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static const std::map<std::string, SPIRV::Extension::Extension>
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SPIRVExtensionMap = {
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{"SPV_EXT_shader_atomic_float_add",
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SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float_add},
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{"SPV_EXT_shader_atomic_float16_add",
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SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float16_add},
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{"SPV_EXT_shader_atomic_float_min_max",
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SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float_min_max},
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{"SPV_INTEL_arbitrary_precision_integers",
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SPIRV::Extension::Extension::SPV_INTEL_arbitrary_precision_integers},
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{"SPV_INTEL_optnone", SPIRV::Extension::Extension::SPV_INTEL_optnone},
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{"SPV_INTEL_usm_storage_classes",
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SPIRV::Extension::Extension::SPV_INTEL_usm_storage_classes},
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{"SPV_INTEL_subgroups",
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SPIRV::Extension::Extension::SPV_INTEL_subgroups},
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{"SPV_KHR_uniform_group_instructions",
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SPIRV::Extension::Extension::SPV_KHR_uniform_group_instructions},
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{"SPV_KHR_no_integer_wrap_decoration",
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SPIRV::Extension::Extension::SPV_KHR_no_integer_wrap_decoration},
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{"SPV_KHR_float_controls",
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SPIRV::Extension::Extension::SPV_KHR_float_controls},
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{"SPV_KHR_expect_assume",
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SPIRV::Extension::Extension::SPV_KHR_expect_assume},
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{"SPV_KHR_bit_instructions",
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SPIRV::Extension::Extension::SPV_KHR_bit_instructions},
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{"SPV_KHR_linkonce_odr",
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SPIRV::Extension::Extension::SPV_KHR_linkonce_odr},
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{"SPV_INTEL_bfloat16_conversion",
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SPIRV::Extension::Extension::SPV_INTEL_bfloat16_conversion},
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{"SPV_KHR_subgroup_rotate",
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SPIRV::Extension::Extension::SPV_KHR_subgroup_rotate},
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{"SPV_INTEL_variable_length_array",
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SPIRV::Extension::Extension::SPV_INTEL_variable_length_array},
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{"SPV_INTEL_function_pointers",
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SPIRV::Extension::Extension::SPV_INTEL_function_pointers},
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};
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bool SPIRVExtensionsParser::parse(cl::Option &O, llvm::StringRef ArgName,
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llvm::StringRef ArgValue,
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std::set<SPIRV::Extension::Extension> &Vals) {
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llvm::SmallVector<llvm::StringRef, 10> Tokens;
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ArgValue.split(Tokens, ",", -1, false);
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std::sort(Tokens.begin(), Tokens.end());
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std::set<SPIRV::Extension::Extension> EnabledExtensions;
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for (const auto &Token : Tokens) {
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if (Token == "all") {
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for (const auto &[ExtensionName, ExtensionEnum] : SPIRVExtensionMap)
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EnabledExtensions.insert(ExtensionEnum);
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continue;
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}
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if (Token.empty() || (!Token.starts_with("+") && !Token.starts_with("-")))
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return O.error("Invalid extension list format: " + Token.str());
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llvm::StringRef ExtensionName = Token.substr(1);
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auto NameValuePair = SPIRVExtensionMap.find(ExtensionName.str());
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if (NameValuePair == SPIRVExtensionMap.end())
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return O.error("Unknown SPIR-V extension: " + Token.str());
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if (Token.starts_with("+")) {
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EnabledExtensions.insert(NameValuePair->second);
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} else if (EnabledExtensions.count(NameValuePair->second)) {
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if (std::find(Tokens.begin(), Tokens.end(), "+" + ExtensionName.str()) !=
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Tokens.end())
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return O.error(
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"Extension cannot be allowed and disallowed at the same time: " +
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ExtensionName.str());
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EnabledExtensions.erase(NameValuePair->second);
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}
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}
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Vals = std::move(EnabledExtensions);
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return false;
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}
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