| 1 | //===--- LoopHint.h - Types for LoopHint ------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLVM_CLANG_PARSE_LOOPHINT_H |
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| 10 | #define LLVM_CLANG_PARSE_LOOPHINT_H |
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| 11 | |
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| 12 | #include "clang/Basic/SourceLocation.h" |
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| 13 | |
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| 14 | namespace clang { |
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| 15 | |
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| 16 | class Expr; |
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| 17 | struct IdentifierLoc; |
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| 18 | |
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| 19 | /// Loop optimization hint for loop and unroll pragmas. |
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| 20 | struct LoopHint { |
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| 21 | // Source range of the directive. |
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| 22 | SourceRange Range; |
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| 23 | // Identifier corresponding to the name of the pragma. "loop" for |
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| 24 | // "#pragma clang loop" directives and "unroll" for "#pragma unroll" |
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| 25 | // hints. |
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| 26 | IdentifierLoc *PragmaNameLoc = nullptr; |
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| 27 | // Name of the loop hint. Examples: "unroll", "vectorize". In the |
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| 28 | // "#pragma unroll" and "#pragma nounroll" cases, this is identical to |
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| 29 | // PragmaNameLoc. |
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| 30 | IdentifierLoc *OptionLoc = nullptr; |
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| 31 | // Identifier for the hint state argument. If null, then the state is |
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| 32 | // default value such as for "#pragma unroll". |
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| 33 | IdentifierLoc *StateLoc = nullptr; |
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| 34 | // Expression for the hint argument if it exists, null otherwise. |
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| 35 | Expr *ValueExpr = nullptr; |
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| 36 | |
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| 37 | LoopHint() = default; |
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| 38 | }; |
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| 39 | |
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| 40 | } // end namespace clang |
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| 41 | |
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| 42 | #endif // LLVM_CLANG_PARSE_LOOPHINT_H |
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| 43 | |
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