| 1 | //===--- LoopHint.h - Types for LoopHint ------------------------*- 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 | #ifndef LLVM_CLANG_PARSE_LOOPHINT_H |
| 10 | #define LLVM_CLANG_PARSE_LOOPHINT_H |
| 11 | |
| 12 | #include "clang/Basic/IdentifierTable.h" |
| 13 | #include "clang/Basic/SourceLocation.h" |
| 14 | #include "clang/Sema/Ownership.h" |
| 15 | #include "clang/Sema/ParsedAttr.h" |
| 16 | |
| 17 | namespace clang { |
| 18 | |
| 19 | /// Loop optimization hint for loop and unroll pragmas. |
| 20 | struct LoopHint { |
| 21 | // Source range of the directive. |
| 22 | SourceRange Range; |
| 23 | // Identifier corresponding to the name of the pragma. "loop" for |
| 24 | // "#pragma clang loop" directives and "unroll" for "#pragma unroll" |
| 25 | // hints. |
| 26 | IdentifierLoc *PragmaNameLoc; |
| 27 | // Name of the loop hint. Examples: "unroll", "vectorize". In the |
| 28 | // "#pragma unroll" and "#pragma nounroll" cases, this is identical to |
| 29 | // PragmaNameLoc. |
| 30 | IdentifierLoc *OptionLoc; |
| 31 | // Identifier for the hint state argument. If null, then the state is |
| 32 | // default value such as for "#pragma unroll". |
| 33 | IdentifierLoc *StateLoc; |
| 34 | // Expression for the hint argument if it exists, null otherwise. |
| 35 | Expr *ValueExpr; |
| 36 | |
| 37 | LoopHint() |
| 38 | : PragmaNameLoc(nullptr), OptionLoc(nullptr), StateLoc(nullptr), |
| 39 | ValueExpr(nullptr) {} |
| 40 | }; |
| 41 | |
| 42 | } // end namespace clang |
| 43 | |
| 44 | #endif // LLVM_CLANG_PARSE_LOOPHINT_H |
| 45 |