1 | //===--- SPIRVCommandLine.cpp ---- Command Line Options ---------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file contains definitions of classes and functions needed for |
10 | // processing, parsing, and using CLI options for the SPIR-V backend. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #include "SPIRVCommandLine.h" |
15 | #include "llvm/ADT/StringRef.h" |
16 | #include <algorithm> |
17 | #include <map> |
18 | |
19 | #define DEBUG_TYPE "spirv-commandline" |
20 | |
21 | using namespace llvm; |
22 | |
23 | static const std::map<std::string, SPIRV::Extension::Extension> |
24 | SPIRVExtensionMap = { |
25 | {"SPV_EXT_shader_atomic_float_add" , |
26 | SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float_add}, |
27 | {"SPV_EXT_shader_atomic_float16_add" , |
28 | SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float16_add}, |
29 | {"SPV_EXT_shader_atomic_float_min_max" , |
30 | SPIRV::Extension::Extension::SPV_EXT_shader_atomic_float_min_max}, |
31 | {"SPV_INTEL_arbitrary_precision_integers" , |
32 | SPIRV::Extension::Extension::SPV_INTEL_arbitrary_precision_integers}, |
33 | {"SPV_INTEL_optnone" , SPIRV::Extension::Extension::SPV_INTEL_optnone}, |
34 | {"SPV_INTEL_usm_storage_classes" , |
35 | SPIRV::Extension::Extension::SPV_INTEL_usm_storage_classes}, |
36 | {"SPV_INTEL_subgroups" , |
37 | SPIRV::Extension::Extension::SPV_INTEL_subgroups}, |
38 | {"SPV_KHR_uniform_group_instructions" , |
39 | SPIRV::Extension::Extension::SPV_KHR_uniform_group_instructions}, |
40 | {"SPV_KHR_no_integer_wrap_decoration" , |
41 | SPIRV::Extension::Extension::SPV_KHR_no_integer_wrap_decoration}, |
42 | {"SPV_KHR_float_controls" , |
43 | SPIRV::Extension::Extension::SPV_KHR_float_controls}, |
44 | {"SPV_KHR_expect_assume" , |
45 | SPIRV::Extension::Extension::SPV_KHR_expect_assume}, |
46 | {"SPV_KHR_bit_instructions" , |
47 | SPIRV::Extension::Extension::SPV_KHR_bit_instructions}, |
48 | {"SPV_KHR_linkonce_odr" , |
49 | SPIRV::Extension::Extension::SPV_KHR_linkonce_odr}, |
50 | {"SPV_INTEL_bfloat16_conversion" , |
51 | SPIRV::Extension::Extension::SPV_INTEL_bfloat16_conversion}, |
52 | {"SPV_KHR_subgroup_rotate" , |
53 | SPIRV::Extension::Extension::SPV_KHR_subgroup_rotate}, |
54 | {"SPV_INTEL_variable_length_array" , |
55 | SPIRV::Extension::Extension::SPV_INTEL_variable_length_array}, |
56 | {"SPV_INTEL_function_pointers" , |
57 | SPIRV::Extension::Extension::SPV_INTEL_function_pointers}, |
58 | }; |
59 | |
60 | bool SPIRVExtensionsParser::parse(cl::Option &O, llvm::StringRef ArgName, |
61 | llvm::StringRef ArgValue, |
62 | std::set<SPIRV::Extension::Extension> &Vals) { |
63 | llvm::SmallVector<llvm::StringRef, 10> Tokens; |
64 | ArgValue.split(A&: Tokens, Separator: "," , MaxSplit: -1, KeepEmpty: false); |
65 | std::sort(first: Tokens.begin(), last: Tokens.end()); |
66 | |
67 | std::set<SPIRV::Extension::Extension> EnabledExtensions; |
68 | |
69 | for (const auto &Token : Tokens) { |
70 | if (Token == "all" ) { |
71 | for (const auto &[ExtensionName, ExtensionEnum] : SPIRVExtensionMap) |
72 | EnabledExtensions.insert(ExtensionEnum); |
73 | |
74 | continue; |
75 | } |
76 | |
77 | if (Token.empty() || (!Token.starts_with(Prefix: "+" ) && !Token.starts_with(Prefix: "-" ))) |
78 | return O.error(Message: "Invalid extension list format: " + Token.str()); |
79 | |
80 | llvm::StringRef ExtensionName = Token.substr(Start: 1); |
81 | auto NameValuePair = SPIRVExtensionMap.find(ExtensionName.str()); |
82 | |
83 | if (NameValuePair == SPIRVExtensionMap.end()) |
84 | return O.error(Message: "Unknown SPIR-V extension: " + Token.str()); |
85 | |
86 | if (Token.starts_with(Prefix: "+" )) { |
87 | EnabledExtensions.insert(NameValuePair->second); |
88 | } else if (EnabledExtensions.count(NameValuePair->second)) { |
89 | if (std::find(first: Tokens.begin(), last: Tokens.end(), val: "+" + ExtensionName.str()) != |
90 | Tokens.end()) |
91 | return O.error( |
92 | Message: "Extension cannot be allowed and disallowed at the same time: " + |
93 | ExtensionName.str()); |
94 | |
95 | EnabledExtensions.erase(NameValuePair->second); |
96 | } |
97 | } |
98 | |
99 | Vals = std::move(EnabledExtensions); |
100 | return false; |
101 | } |
102 | |