clang API Documentation
00001 //===--- LoopHint.h - Types for LoopHint ------------------------*- C++ -*-===// 00002 // 00003 // The LLVM Compiler Infrastructure 00004 // 00005 // This file is distributed under the University of Illinois Open Source 00006 // License. See LICENSE.TXT for details. 00007 // 00008 //===----------------------------------------------------------------------===// 00009 00010 #ifndef LLVM_CLANG_SEMA_LOOPHINT_H 00011 #define LLVM_CLANG_SEMA_LOOPHINT_H 00012 00013 #include "clang/Basic/IdentifierTable.h" 00014 #include "clang/Basic/SourceLocation.h" 00015 #include "clang/Sema/AttributeList.h" 00016 #include "clang/Sema/Ownership.h" 00017 00018 namespace clang { 00019 00020 /// \brief Loop optimization hint for loop and unroll pragmas. 00021 struct LoopHint { 00022 // Source range of the directive. 00023 SourceRange Range; 00024 // Identifier corresponding to the name of the pragma. "loop" for 00025 // "#pragma clang loop" directives and "unroll" for "#pragma unroll" 00026 // hints. 00027 IdentifierLoc *PragmaNameLoc; 00028 // Name of the loop hint. Examples: "unroll", "vectorize". In the 00029 // "#pragma unroll" and "#pragma nounroll" cases, this is identical to 00030 // PragmaNameLoc. 00031 IdentifierLoc *OptionLoc; 00032 // Identifier for the hint state argument. If null, then the state is 00033 // default value such as for "#pragma unroll". 00034 IdentifierLoc *StateLoc; 00035 // Expression for the hint argument if it exists, null otherwise. 00036 Expr *ValueExpr; 00037 00038 LoopHint() 00039 : PragmaNameLoc(nullptr), OptionLoc(nullptr), StateLoc(nullptr), 00040 ValueExpr(nullptr) {} 00041 }; 00042 00043 } // end namespace clang 00044 00045 #endif // LLVM_CLANG_SEMA_LOOPHINT_H