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//===--- AttrImpl.cpp - Classes for representing attributes -----*- 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
//
//===----------------------------------------------------------------------===//
//
// This file contains out-of-line methods for Attr classes.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Expr.h"
#include "clang/AST/Type.h"
using namespace clang;
void LoopHintAttr::printPrettyPragma(raw_ostream &OS,
const PrintingPolicy &Policy) const {
unsigned SpellingIndex = getAttributeSpellingListIndex();
// For "#pragma unroll" and "#pragma nounroll" the string "unroll" or
// "nounroll" is already emitted as the pragma name.
if (SpellingIndex == Pragma_nounroll ||
SpellingIndex == Pragma_nounroll_and_jam)
return;
else if (SpellingIndex == Pragma_unroll ||
SpellingIndex == Pragma_unroll_and_jam) {
OS << ' ' << getValueString(Policy);
return;
}
assert(SpellingIndex == Pragma_clang_loop && "Unexpected spelling");
OS << ' ' << getOptionName(option) << getValueString(Policy);
}
// Return a string containing the loop hint argument including the
// enclosing parentheses.
std::string LoopHintAttr::getValueString(const PrintingPolicy &Policy) const {
std::string ValueName;
llvm::raw_string_ostream OS(ValueName);
OS << "(";
if (state == Numeric)
value->printPretty(OS, nullptr, Policy);
else if (state == FixedWidth || state == ScalableWidth) {
if (value) {
value->printPretty(OS, nullptr, Policy);
if (state == ScalableWidth)
OS << ", scalable";
} else if (state == ScalableWidth)
OS << "scalable";
else
OS << "fixed";
} else if (state == Enable)
OS << "enable";
else if (state == Full)
OS << "full";
else if (state == AssumeSafety)
OS << "assume_safety";
else
OS << "disable";
OS << ")";
return OS.str();
}
// Return a string suitable for identifying this attribute in diagnostics.
std::string
LoopHintAttr::getDiagnosticName(const PrintingPolicy &Policy) const {
unsigned SpellingIndex = getAttributeSpellingListIndex();
if (SpellingIndex == Pragma_nounroll)
return "#pragma nounroll";
else if (SpellingIndex == Pragma_unroll)
return "#pragma unroll" +
(option == UnrollCount ? getValueString(Policy) : "");
else if (SpellingIndex == Pragma_nounroll_and_jam)
return "#pragma nounroll_and_jam";
else if (SpellingIndex == Pragma_unroll_and_jam)
return "#pragma unroll_and_jam" +
(option == UnrollAndJamCount ? getValueString(Policy) : "");
assert(SpellingIndex == Pragma_clang_loop && "Unexpected spelling");
return getOptionName(option) + getValueString(Policy);
}
void OMPDeclareSimdDeclAttr::printPrettyPragma(
raw_ostream &OS, const PrintingPolicy &Policy) const {
if (getBranchState() != BS_Undefined)
OS << ' ' << ConvertBranchStateTyToStr(getBranchState());
if (auto *E = getSimdlen()) {
OS << " simdlen(";
E->printPretty(OS, nullptr, Policy);
OS << ")";
}
if (uniforms_size() > 0) {
OS << " uniform";
StringRef Sep = "(";
for (auto *E : uniforms()) {
OS << Sep;
E->printPretty(OS, nullptr, Policy);
Sep = ", ";
}
OS << ")";
}
alignments_iterator NI = alignments_begin();
for (auto *E : aligneds()) {
OS << " aligned(";
E->printPretty(OS, nullptr, Policy);
if (*NI) {
OS << ": ";
(*NI)->printPretty(OS, nullptr, Policy);
}
OS << ")";
++NI;
}
steps_iterator I = steps_begin();
modifiers_iterator MI = modifiers_begin();
for (auto *E : linears()) {
OS << " linear(";
if (*MI != OMPC_LINEAR_unknown)
OS << getOpenMPSimpleClauseTypeName(llvm::omp::Clause::OMPC_linear, *MI)
<< "(";
E->printPretty(OS, nullptr, Policy);
if (*MI != OMPC_LINEAR_unknown)
OS << ")";
if (*I) {
OS << ": ";
(*I)->printPretty(OS, nullptr, Policy);
}
OS << ")";
++I;
++MI;
}
}
void OMPDeclareTargetDeclAttr::printPrettyPragma(
raw_ostream &OS, const PrintingPolicy &Policy) const {
// Use fake syntax because it is for testing and debugging purpose only.
if (getDevType() != DT_Any)
OS << " device_type(" << ConvertDevTypeTyToStr(getDevType()) << ")";
if (getMapType() != MT_To)
OS << ' ' << ConvertMapTypeTyToStr(getMapType());
}
llvm::Optional<OMPDeclareTargetDeclAttr *>
OMPDeclareTargetDeclAttr::getActiveAttr(const ValueDecl *VD) {
if (!VD->hasAttrs())
return llvm::None;
unsigned Level = 0;
OMPDeclareTargetDeclAttr *FoundAttr = nullptr;
for (auto *Attr : VD->specific_attrs<OMPDeclareTargetDeclAttr>()) {
if (Level <= Attr->getLevel()) {
Level = Attr->getLevel();
FoundAttr = Attr;
}
}
if (FoundAttr)
return FoundAttr;
return llvm::None;
}
llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy>
OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(const ValueDecl *VD) {
llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = getActiveAttr(VD);
if (ActiveAttr.hasValue())
return ActiveAttr.getValue()->getMapType();
return llvm::None;
}
llvm::Optional<OMPDeclareTargetDeclAttr::DevTypeTy>
OMPDeclareTargetDeclAttr::getDeviceType(const ValueDecl *VD) {
llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = getActiveAttr(VD);
if (ActiveAttr.hasValue())
return ActiveAttr.getValue()->getDevType();
return llvm::None;
}
llvm::Optional<SourceLocation>
OMPDeclareTargetDeclAttr::getLocation(const ValueDecl *VD) {
llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = getActiveAttr(VD);
if (ActiveAttr.hasValue())
return ActiveAttr.getValue()->getRange().getBegin();
return llvm::None;
}
namespace clang {
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const OMPTraitInfo &TI);
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const OMPTraitInfo *TI);
}
void OMPDeclareVariantAttr::printPrettyPragma(
raw_ostream &OS, const PrintingPolicy &Policy) const {
if (const Expr *E = getVariantFuncRef()) {
OS << "(";
E->printPretty(OS, nullptr, Policy);
OS << ")";
}
OS << " match(" << traitInfos << ")";
}
#include "clang/AST/AttrImpl.inc"
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