OpenACCKinds.h

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//===--- OpenACCKinds.h - OpenACC Enums -------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// Defines some OpenACC-specific enums and functions.
///
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_BASIC_OPENACCKINDS_H
#define LLVM_CLANG_BASIC_OPENACCKINDS_H
 
#include "clang/Basic/Diagnostic.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
 
namespace clang {
// Represents the Construct/Directive kind of a pragma directive. Note the
// OpenACC standard is inconsistent between calling these Construct vs
// Directive, but we're calling it a Directive to be consistent with OpenMP.
enum class OpenACCDirectiveKind {
  // Compute Constructs.
  Parallel,
  Serial,
  Kernels,
 
  // Data Environment. "enter data" and "exit data" are also referred to in the
  // Executable Directives section, but just as a back reference to the Data
  // Environment.
  Data,
  EnterData,
  ExitData,
  HostData,
 
  // Misc.
  Loop,
  Cache,
 
  // Combined Constructs.
  ParallelLoop,
  SerialLoop,
  KernelsLoop,
 
  // Atomic Construct.
  Atomic,
 
  // Declare Directive.
  Declare,
 
  // Executable Directives. "wait" is first referred to here, but ends up being
  // in its own section after "routine".
  Init,
  Shutdown,
  Set,
  Update,
  Wait,
 
  // Procedure Calls in Compute Regions.
  Routine,
 
  // Invalid.
  Invalid,
};
 
template <typename StreamTy>
inline StreamTy &printOpenACCDirectiveKind(StreamTy &Out,
                                           OpenACCDirectiveKind K) {
  switch (K) {
  case OpenACCDirectiveKind::Parallel:
    return Out << "parallel";
 
  case OpenACCDirectiveKind::Serial:
    return Out << "serial";
 
  case OpenACCDirectiveKind::Kernels:
    return Out << "kernels";
 
  case OpenACCDirectiveKind::Data:
    return Out << "data";
 
  case OpenACCDirectiveKind::EnterData:
    return Out << "enter data";
 
  case OpenACCDirectiveKind::ExitData:
    return Out << "exit data";
 
  case OpenACCDirectiveKind::HostData:
    return Out << "host_data";
 
  case OpenACCDirectiveKind::Loop:
    return Out << "loop";
 
  case OpenACCDirectiveKind::Cache:
    return Out << "cache";
 
  case OpenACCDirectiveKind::ParallelLoop:
    return Out << "parallel loop";
 
  case OpenACCDirectiveKind::SerialLoop:
    return Out << "serial loop";
 
  case OpenACCDirectiveKind::KernelsLoop:
    return Out << "kernels loop";
 
  case OpenACCDirectiveKind::Atomic:
    return Out << "atomic";
 
  case OpenACCDirectiveKind::Declare:
    return Out << "declare";
 
  case OpenACCDirectiveKind::Init:
    return Out << "init";
 
  case OpenACCDirectiveKind::Shutdown:
    return Out << "shutdown";
 
  case OpenACCDirectiveKind::Set:
    return Out << "set";
 
  case OpenACCDirectiveKind::Update:
    return Out << "update";
 
  case OpenACCDirectiveKind::Wait:
    return Out << "wait";
 
  case OpenACCDirectiveKind::Routine:
    return Out << "routine";
 
  case OpenACCDirectiveKind::Invalid:
    return Out << "<invalid>";
  }
  llvm_unreachable("Uncovered directive kind");
}
 
inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &Out,
                                             OpenACCDirectiveKind K) {
  return printOpenACCDirectiveKind(Out, K);
}
 
inline llvm::raw_ostream &operator<<(llvm::raw_ostream &Out,
                                     OpenACCDirectiveKind K) {
  return printOpenACCDirectiveKind(Out, K);
}
 
inline bool isOpenACCComputeDirectiveKind(OpenACCDirectiveKind K) {
  return K == OpenACCDirectiveKind::Parallel ||
         K == OpenACCDirectiveKind::Serial ||
         K == OpenACCDirectiveKind::Kernels;
}
 
enum class OpenACCAtomicKind {
  Read,
  Write,
  Update,
  Capture,
  Invalid,
};
 
/// Represents the kind of an OpenACC clause.
enum class OpenACCClauseKind {
  /// 'finalize' clause, allowed on 'exit data' directive.
  Finalize,
  /// 'if_present' clause, allowed on 'host_data' and 'update' directives.
  IfPresent,
  /// 'seq' clause, allowed on 'loop' and 'routine' directives.
  Seq,
  /// 'independent' clause, allowed on 'loop' directives.
  Independent,
  /// 'auto' clause, allowed on 'loop' directives.
  Auto,
  /// 'worker' clause, allowed on 'loop', Combined, and 'routine' directives.
  Worker,
  /// 'vector' clause, allowed on 'loop', Combined, and 'routine' directives.
  Vector,
  /// 'nohost' clause, allowed on 'routine' directives.
  NoHost,
  /// 'default' clause, allowed on parallel, serial, kernel (and compound)
  /// constructs.
  Default,
  /// 'if' clause, allowed on all the Compute Constructs, Data Constructs,
  /// Executable Constructs, and Combined Constructs.
  If,
  /// 'self' clause, allowed on Compute and Combined Constructs, plus 'update'.
  Self,
  /// 'copy' clause, allowed on Compute and Combined Constructs, plus 'data' and
  /// 'declare'.
  Copy,
  /// 'use_device' clause, allowed on 'host_data' construct.
  UseDevice,
  /// 'attach' clause, allowed on Compute and Combined constructs, plus 'data'
  /// and 'enter data'.
  Attach,
  /// 'delete' clause, allowed on the 'exit data' construct.
  Delete,
  /// 'detach' clause, allowed on the 'exit data' construct.
  Detach,
  /// 'device' clause, allowed on the 'update' construct.
  Device,
  /// 'deviceptr' clause, allowed on Compute and Combined Constructs, plus
  /// 'data' and 'declare'.
  DevicePtr,
  /// 'device_resident' clause, allowed on the 'declare' construct.
  DeviceResident,
  /// 'firstprivate' clause, allowed on 'parallel', 'serial', 'parallel loop',
  /// and 'serial loop' constructs.
  FirstPrivate,
  /// 'host' clause, allowed on 'update' construct.
  Host,
  /// 'link' clause, allowed on 'declare' construct.
  Link,
  /// 'no_create' clause, allowed on allowed on Compute and Combined constructs,
  /// plus 'data'.
  NoCreate,
  /// 'present' clause, allowed on Compute and Combined constructs, plus 'data'
  /// and 'declare'.
  Present,
  /// 'private' clause, allowed on 'parallel', 'serial', 'loop', 'parallel
  /// loop', and 'serial loop' constructs.
  Private,
  /// 'copyout' clause, allowed on Compute and Combined constructs, plus 'data',
  /// 'exit data', and 'declare'.
  CopyOut,
  /// 'copyin' clause, allowed on Compute and Combined constructs, plus 'data',
  /// 'enter data', and 'declare'.
  CopyIn,
  /// 'copyin' clause, allowed on Compute and Combined constructs, plus 'data',
  /// 'enter data', and 'declare'.
  Create,
  /// 'reduction' clause, allowed on Parallel, Serial, Loop, and the combined
  /// constructs.
  Reduction,
  /// 'collapse' clause, allowed on 'loop' and Combined constructs.
  Collapse,
  /// 'bind' clause, allowed on routine constructs.
  Bind,
  /// 'vector_length' clause, allowed on 'parallel', 'kernels', 'parallel loop',
  /// and 'kernels loop' constructs.
  VectorLength,
  /// 'num_gangs' clause, allowed on 'parallel', 'kernels', parallel loop', and
  /// 'kernels loop' constructs.
  NumGangs,
  /// 'num_workers' clause, allowed on 'parallel', 'kernels', parallel loop',
  /// and 'kernels loop' constructs.
  NumWorkers,
  /// 'device_num' clause, allowed on 'init', 'shutdown', and 'set' constructs.
  DeviceNum,
  /// 'default_async' clause, allowed on 'set' construct.
  DefaultAsync,
  /// 'device_type' clause, allowed on Compute, 'data', 'init', 'shutdown',
  /// 'set', update', 'loop', 'routine', and Combined constructs.
  DeviceType,
  /// 'dtype' clause, an alias for 'device_type', stored separately for
  /// diagnostic purposes.
  DType,
  /// 'async' clause, allowed on Compute, Data, 'update', 'wait', and Combined
  /// constructs.
  Async,
  /// 'tile' clause, allowed on 'loop' and Combined constructs.
  Tile,
  /// 'gang' clause, allowed on 'loop' and Combined constructs.
  Gang,
  /// 'wait' clause, allowed on Compute, Data, 'update', and Combined
  /// constructs.
  Wait,
 
  /// Represents an invalid clause, for the purposes of parsing.
  Invalid,
};
 
template <typename StreamTy>
inline StreamTy &printOpenACCClauseKind(StreamTy &Out, OpenACCClauseKind K) {
  switch (K) {
  case OpenACCClauseKind::Finalize:
    return Out << "finalize";
 
  case OpenACCClauseKind::IfPresent:
    return Out << "if_present";
 
  case OpenACCClauseKind::Seq:
    return Out << "seq";
 
  case OpenACCClauseKind::Independent:
    return Out << "independent";
 
  case OpenACCClauseKind::Auto:
    return Out << "auto";
 
  case OpenACCClauseKind::Worker:
    return Out << "worker";
 
  case OpenACCClauseKind::Vector:
    return Out << "vector";
 
  case OpenACCClauseKind::NoHost:
    return Out << "nohost";
 
  case OpenACCClauseKind::Default:
    return Out << "default";
 
  case OpenACCClauseKind::If:
    return Out << "if";
 
  case OpenACCClauseKind::Self:
    return Out << "self";
 
  case OpenACCClauseKind::Copy:
    return Out << "copy";
 
  case OpenACCClauseKind::UseDevice:
    return Out << "use_device";
 
  case OpenACCClauseKind::Attach:
    return Out << "attach";
 
  case OpenACCClauseKind::Delete:
    return Out << "delete";
 
  case OpenACCClauseKind::Detach:
    return Out << "detach";
 
  case OpenACCClauseKind::Device:
    return Out << "device";
 
  case OpenACCClauseKind::DevicePtr:
    return Out << "deviceptr";
 
  case OpenACCClauseKind::DeviceResident:
    return Out << "device_resident";
 
  case OpenACCClauseKind::FirstPrivate:
    return Out << "firstprivate";
 
  case OpenACCClauseKind::Host:
    return Out << "host";
 
  case OpenACCClauseKind::Link:
    return Out << "link";
 
  case OpenACCClauseKind::NoCreate:
    return Out << "no_create";
 
  case OpenACCClauseKind::Present:
    return Out << "present";
 
  case OpenACCClauseKind::Private:
    return Out << "private";
 
  case OpenACCClauseKind::CopyOut:
    return Out << "copyout";
 
  case OpenACCClauseKind::CopyIn:
    return Out << "copyin";
 
  case OpenACCClauseKind::Create:
    return Out << "create";
 
  case OpenACCClauseKind::Reduction:
    return Out << "reduction";
 
  case OpenACCClauseKind::Collapse:
    return Out << "collapse";
 
  case OpenACCClauseKind::Bind:
    return Out << "bind";
 
  case OpenACCClauseKind::VectorLength:
    return Out << "vector_length";
 
  case OpenACCClauseKind::NumGangs:
    return Out << "num_gangs";
 
  case OpenACCClauseKind::NumWorkers:
    return Out << "num_workers";
 
  case OpenACCClauseKind::DeviceNum:
    return Out << "device_num";
 
  case OpenACCClauseKind::DefaultAsync:
    return Out << "default_async";
 
  case OpenACCClauseKind::DeviceType:
    return Out << "device_type";
 
  case OpenACCClauseKind::DType:
    return Out << "dtype";
 
  case OpenACCClauseKind::Async:
    return Out << "async";
 
  case OpenACCClauseKind::Tile:
    return Out << "tile";
 
  case OpenACCClauseKind::Gang:
    return Out << "gang";
 
  case OpenACCClauseKind::Wait:
    return Out << "wait";
 
  case OpenACCClauseKind::Invalid:
    return Out << "<invalid>";
  }
  llvm_unreachable("Uncovered clause kind");
}
 
inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &Out,
                                             OpenACCClauseKind K) {
  return printOpenACCClauseKind(Out, K);
}
 
inline llvm::raw_ostream &operator<<(llvm::raw_ostream &Out,
                                     OpenACCClauseKind K) {
  return printOpenACCClauseKind(Out, K);
}
 
enum class OpenACCDefaultClauseKind {
  /// 'none' option.
  None,
  /// 'present' option.
  Present,
  /// Not a valid option.
  Invalid,
};
 
template <typename StreamTy>
inline StreamTy &printOpenACCDefaultClauseKind(StreamTy &Out,
                                               OpenACCDefaultClauseKind K) {
  switch (K) {
  case OpenACCDefaultClauseKind::None:
    return Out << "none";
  case OpenACCDefaultClauseKind::Present:
    return Out << "present";
  case OpenACCDefaultClauseKind::Invalid:
    return Out << "<invalid>";
  }
  llvm_unreachable("Unknown OpenACCDefaultClauseKind enum");
}
 
inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &Out,
                                             OpenACCDefaultClauseKind K) {
  return printOpenACCDefaultClauseKind(Out, K);
}
 
inline llvm::raw_ostream &operator<<(llvm::raw_ostream &Out,
                                     OpenACCDefaultClauseKind K) {
  return printOpenACCDefaultClauseKind(Out, K);
}
 
enum class OpenACCReductionOperator {
  /// '+'.
  Addition,
  /// '*'.
  Multiplication,
  /// 'max'.
  Max,
  /// 'min'.
  Min,
  /// '&'.
  BitwiseAnd,
  /// '|'.
  BitwiseOr,
  /// '^'.
  BitwiseXOr,
  /// '&&'.
  And,
  /// '||'.
  Or,
  /// Invalid Reduction Clause Kind.
  Invalid,
};
} // namespace clang
 
#endif // LLVM_CLANG_BASIC_OPENACCKINDS_H