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/*
* Copyright 2015, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_REDUCE_H_ // NOLINT
#define _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_REDUCE_H_
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/SmallVector.h"
#include "slang_rs_context.h"
#include "slang_rs_exportable.h"
#include "slang_rs_export_type.h"
namespace clang {
class FunctionDecl;
} // namespace clang
namespace slang {
// Base class for reflecting control-side reduce
class RSExportReduce : public RSExportable {
public:
typedef llvm::SmallVectorImpl<const clang::ParmVarDecl*> InVec;
typedef llvm::SmallVectorImpl<const RSExportType*> InTypeVec;
typedef InVec::const_iterator InIter;
typedef InTypeVec::const_iterator InTypeIter;
private:
// pragma location (for error reporting)
clang::SourceLocation mLocation;
// reduction kernel name
std::string mNameReduce;
// constituent function names
std::string mNameInitializer;
std::string mNameAccumulator;
std::string mNameCombiner;
std::string mNameOutConverter;
std::string mNameHalter;
// constituent function identity
enum FnIdent {
FN_IDENT_INITIALIZER,
FN_IDENT_ACCUMULATOR,
FN_IDENT_COMBINER,
FN_IDENT_OUT_CONVERTER,
FN_IDENT_HALTER
};
static const char *getKey(FnIdent Kind);
// signature information for accumulator function
unsigned int mAccumulatorSignatureMetadata;
// size of accumulator data type (compType), in bytes
unsigned int mAccumulatorTypeSize;
// input information for accumulator function
static const int kAccumulatorInsSmallSize = 4;
llvm::SmallVector<const clang::ParmVarDecl*, kAccumulatorInsSmallSize> mAccumulatorIns;
llvm::SmallVector<const RSExportType*, kAccumulatorInsSmallSize> mAccumulatorInTypes;
// result information
RSExportType *mResultType;
RSExportReduce(RSContext *Context,
const clang::SourceLocation Location,
const llvm::StringRef &NameReduce,
const llvm::StringRef &NameInitializer,
const llvm::StringRef &NameAccumulator,
const llvm::StringRef &NameCombiner,
const llvm::StringRef &NameOutConverter,
const llvm::StringRef &NameHalter)
: RSExportable(Context, RSExportable::EX_REDUCE, Location),
mLocation(Location),
mNameReduce(NameReduce),
mNameInitializer(NameInitializer),
mNameAccumulator(NameAccumulator),
mNameCombiner(NameCombiner),
mNameOutConverter(NameOutConverter),
mNameHalter(NameHalter),
mAccumulatorSignatureMetadata(0),
mAccumulatorTypeSize(0),
mResultType(nullptr) {
}
RSExportReduce(const RSExportReduce &) = delete;
void operator=(const RSExportReduce &) = delete;
struct StateOfAnalyzeTranslationUnit;
static void notOk(StateOfAnalyzeTranslationUnit &S, FnIdent Kind);
static void checkPointeeConstQualified(StateOfAnalyzeTranslationUnit &S,
FnIdent Kind, const llvm::StringRef &Name,
const clang::ParmVarDecl *Param, bool ExpectedQualification);
static void checkVoidReturn(StateOfAnalyzeTranslationUnit &S, FnIdent Kind, clang::FunctionDecl *Fn);
clang::FunctionDecl *lookupFunction(StateOfAnalyzeTranslationUnit &S,
const char *Kind, const llvm::StringRef &Name);
void analyzeInitializer(StateOfAnalyzeTranslationUnit &S);
void analyzeAccumulator(StateOfAnalyzeTranslationUnit &S);
void analyzeCombiner(StateOfAnalyzeTranslationUnit &S);
void analyzeOutConverter(StateOfAnalyzeTranslationUnit &S);
void analyzeHalter(StateOfAnalyzeTranslationUnit &S);
void analyzeResultType(StateOfAnalyzeTranslationUnit &S);
public:
static const char KeyReduce[];
static const char KeyInitializer[];
static const char KeyAccumulator[];
static const char KeyCombiner[];
static const char KeyOutConverter[];
static const char KeyHalter[];
static RSExportReduce *Create(RSContext *Context,
const clang::SourceLocation Location,
const llvm::StringRef &NameReduce,
const llvm::StringRef &NameInitializer,
const llvm::StringRef &NameAccumulator,
const llvm::StringRef &NameCombiner,
const llvm::StringRef &NameOutConverter,
const llvm::StringRef &NameHalter);
const clang::SourceLocation &getLocation() const { return mLocation; }
const std::string &getNameReduce() const { return mNameReduce; }
const std::string &getNameInitializer() const { return mNameInitializer; }
const std::string &getNameAccumulator() const { return mNameAccumulator; }
const std::string &getNameCombiner() const { return mNameCombiner; }
const std::string &getNameOutConverter() const { return mNameOutConverter; }
const std::string &getNameHalter() const { return mNameHalter; }
unsigned int getAccumulatorSignatureMetadata() const { return mAccumulatorSignatureMetadata; }
unsigned int getAccumulatorTypeSize() const { return mAccumulatorTypeSize; }
const InVec &getAccumulatorIns() const { return mAccumulatorIns; }
const InTypeVec &getAccumulatorInTypes() const { return mAccumulatorInTypes; }
const RSExportType *getResultType() const { return mResultType; }
// Does one of this reduction's constituent function names match Candidate?
bool matchName(const llvm::StringRef &Candidate) const;
bool analyzeTranslationUnit();
}; // RSExportReduce
} // namespace slang
#endif // _FRAMEWORKS_COMPILE_SLANG_SLANG_RS_EXPORT_REDUCE_H_ NOLINT
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