1 // Copyright 2021 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 #ifndef rr_Pragma_hpp 16 #define rr_Pragma_hpp 17 18 #include <variant> 19 20 namespace rr { 21 22 enum BooleanPragmaOption 23 { 24 MemorySanitizerInstrumentation, 25 InitializeLocalVariables, 26 }; 27 28 enum IntegerPragmaOption 29 { 30 OptimizationLevel, // O0, O1, O2 (default), O3 31 }; 32 33 void Pragma(BooleanPragmaOption option, bool enable); 34 void Pragma(IntegerPragmaOption option, int value); 35 36 class ScopedPragma 37 { 38 public: 39 ScopedPragma(BooleanPragmaOption option, bool enable); 40 ScopedPragma(IntegerPragmaOption option, int value); 41 42 ~ScopedPragma(); 43 44 private: 45 struct BooleanPragma 46 { 47 BooleanPragmaOption option; 48 bool enable; 49 }; 50 51 struct IntegerPragma 52 { 53 IntegerPragmaOption option; 54 int value; 55 }; 56 57 std::variant<BooleanPragma, IntegerPragma> oldState; 58 }; 59 60 } // namespace rr 61 62 #endif // rr_Pragma_hpp 63