| //===--- LoopHint.h - Types for LoopHint ------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_SEMA_LOOPHINT_H |
| #define LLVM_CLANG_SEMA_LOOPHINT_H |
| |
| #include "clang/Basic/IdentifierTable.h" |
| #include "clang/Basic/SourceLocation.h" |
| #include "clang/Sema/AttributeList.h" |
| #include "clang/Sema/Ownership.h" |
| |
| namespace clang { |
| |
| /// \brief Loop optimization hint for loop and unroll pragmas. |
| struct LoopHint { |
| // Source range of the directive. |
| SourceRange Range; |
| // Identifier corresponding to the name of the pragma. "loop" for |
| // "#pragma clang loop" directives and "unroll" for "#pragma unroll" |
| // hints. |
| IdentifierLoc *PragmaNameLoc; |
| // Name of the loop hint. Examples: "unroll", "vectorize". In the |
| // "#pragma unroll" and "#pragma nounroll" cases, this is identical to |
| // PragmaNameLoc. |
| IdentifierLoc *OptionLoc; |
| // Identifier for the hint state argument. If null, then the state is |
| // default value such as for "#pragma unroll". |
| IdentifierLoc *StateLoc; |
| // Expression for the hint argument if it exists, null otherwise. |
| Expr *ValueExpr; |
| |
| LoopHint() |
| : PragmaNameLoc(nullptr), OptionLoc(nullptr), StateLoc(nullptr), |
| ValueExpr(nullptr) {} |
| }; |
| |
| } // end namespace clang |
| |
| #endif // LLVM_CLANG_SEMA_LOOPHINT_H |