1 // Copyright 2020 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "SpirvShader.hpp"
16
17 #include "spirv-tools/libspirv.h"
18
19 #include <spirv/unified1/spirv.hpp>
20
21 #define CONCAT(a, b) a##b
22 #define CONCAT2(a, b) CONCAT(a, b)
23
24 namespace {
25
26 // checkForNoMissingOps() is an unused function that simply exists to try and
27 // detect missing opcodes in "SpirvShaderInstructions.inl".
28 // If there are missing opcodes, then some compilers will warn that not all
29 // enum values are handled by the switch case below.
checkForNoMissingOps(spv::Op op)30 constexpr void checkForNoMissingOps(spv::Op op)
31 {
32 // self-reference to avoid unused-function warnings.
33 (void)&checkForNoMissingOps;
34
35 switch(op)
36 {
37 #define DECORATE_OP(isStatement, op) \
38 case spv::op: \
39 return;
40 #include "SpirvShaderInstructions.inl"
41 #undef DECORATE_OP
42 case spv::OpMax: return;
43 }
44 }
45
46 } // anonymous namespace
47
48 namespace sw {
49
OpcodeName(spv::Op op)50 const char *SpirvShader::OpcodeName(spv::Op op)
51 {
52 return spvOpcodeString(op);
53 }
54
IsStatement(spv::Op op)55 bool SpirvShader::IsStatement(spv::Op op)
56 {
57 switch(op)
58 {
59 #define IS_STATEMENT_T(op) case spv::op:
60 #define IS_STATEMENT_F(op)
61 #define DECORATE_OP(isStatement, op) \
62 CONCAT2(IS_STATEMENT_, isStatement) \
63 (op)
64 #include "SpirvShaderInstructions.inl"
65 #undef IS_STATEMENT_T
66 #undef IS_STATEMENT_F
67 #undef DECORATE_OP
68 return true;
69
70 default:
71 return false;
72 }
73 }
74
75 } // namespace sw