1179 lines
53 KiB
C++
1179 lines
53 KiB
C++
//===-- OpenACC.cpp -- OpenACC directive lowering -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Lower/OpenACC.h"
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#include "flang/Common/idioms.h"
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#include "flang/Lower/Bridge.h"
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#include "flang/Lower/PFTBuilder.h"
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#include "flang/Lower/StatementContext.h"
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#include "flang/Optimizer/Builder/BoxValue.h"
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#include "flang/Optimizer/Builder/FIRBuilder.h"
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#include "flang/Optimizer/Builder/Todo.h"
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#include "flang/Parser/parse-tree.h"
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#include "flang/Semantics/expression.h"
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#include "flang/Semantics/tools.h"
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#include "mlir/Dialect/OpenACC/OpenACC.h"
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#include "llvm/Frontend/OpenACC/ACC.h.inc"
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// Special value for * passed in device_type or gang clauses.
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static constexpr std::int64_t starCst = -1;
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static const Fortran::parser::Name *
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getDesignatorNameIfDataRef(const Fortran::parser::Designator &designator) {
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const auto *dataRef = std::get_if<Fortran::parser::DataRef>(&designator.u);
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return dataRef ? std::get_if<Fortran::parser::Name>(&dataRef->u) : nullptr;
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}
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static void
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genObjectList(const Fortran::parser::AccObjectList &objectList,
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Fortran::lower::AbstractConverter &converter,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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llvm::SmallVectorImpl<mlir::Value> &operands) {
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auto addOperands = [&](Fortran::lower::SymbolRef sym) {
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const auto variable = converter.getSymbolAddress(sym);
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// TODO: Might need revisiting to handle for non-shared clauses
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if (variable) {
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operands.push_back(variable);
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} else {
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if (const auto *details =
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sym->detailsIf<Fortran::semantics::HostAssocDetails>())
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operands.push_back(converter.getSymbolAddress(details->symbol()));
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}
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};
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fir::FirOpBuilder &builder = converter.getFirOpBuilder();
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for (const auto &accObject : objectList.v) {
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std::visit(
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Fortran::common::visitors{
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[&](const Fortran::parser::Designator &designator) {
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mlir::Location operandLocation =
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converter.genLocation(designator.source);
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if (auto expr{Fortran::semantics::AnalyzeExpr(semanticsContext,
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designator)}) {
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if ((*expr).Rank() > 0 &&
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Fortran::parser::Unwrap<Fortran::parser::ArrayElement>(
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designator)) {
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// Array sections.
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fir::ExtendedValue exV =
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converter.genExprBox(operandLocation, *expr, stmtCtx);
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mlir::Value section = fir::getBase(exV);
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auto mem = builder.create<fir::AllocaOp>(
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operandLocation, section.getType(), /*pinned=*/false);
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builder.create<fir::StoreOp>(operandLocation, section, mem);
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operands.push_back(mem);
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} else if (Fortran::parser::Unwrap<
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Fortran::parser::StructureComponent>(
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designator)) {
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// Derived type components.
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fir::ExtendedValue fieldAddr =
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converter.genExprAddr(operandLocation, *expr, stmtCtx);
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operands.push_back(fir::getBase(fieldAddr));
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} else {
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// Scalar or full array.
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if (const auto *dataRef{std::get_if<Fortran::parser::DataRef>(
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&designator.u)}) {
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const Fortran::parser::Name &name =
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Fortran::parser::GetLastName(*dataRef);
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addOperands(*name.symbol);
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} else { // Unsupported
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TODO(operandLocation,
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"Unsupported type of OpenACC operand");
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}
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}
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}
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},
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[&](const Fortran::parser::Name &name) {
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addOperands(*name.symbol);
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}},
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accObject.u);
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}
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}
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template <typename Clause>
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static void genObjectListWithModifier(
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const Clause *x, Fortran::lower::AbstractConverter &converter,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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Fortran::parser::AccDataModifier::Modifier mod,
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llvm::SmallVectorImpl<mlir::Value> &operandsWithModifier,
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llvm::SmallVectorImpl<mlir::Value> &operands) {
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const Fortran::parser::AccObjectListWithModifier &listWithModifier = x->v;
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const auto &accObjectList =
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std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
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const auto &modifier =
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std::get<std::optional<Fortran::parser::AccDataModifier>>(
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listWithModifier.t);
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if (modifier && (*modifier).v == mod) {
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genObjectList(accObjectList, converter, semanticsContext, stmtCtx,
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operandsWithModifier);
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} else {
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genObjectList(accObjectList, converter, semanticsContext, stmtCtx,
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operands);
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}
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}
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static void
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addOperands(llvm::SmallVectorImpl<mlir::Value> &operands,
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llvm::SmallVectorImpl<int32_t> &operandSegments,
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const llvm::SmallVectorImpl<mlir::Value> &clauseOperands) {
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operands.append(clauseOperands.begin(), clauseOperands.end());
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operandSegments.push_back(clauseOperands.size());
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}
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static void addOperand(llvm::SmallVectorImpl<mlir::Value> &operands,
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llvm::SmallVectorImpl<int32_t> &operandSegments,
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const mlir::Value &clauseOperand) {
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if (clauseOperand) {
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operands.push_back(clauseOperand);
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operandSegments.push_back(1);
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} else {
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operandSegments.push_back(0);
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}
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}
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template <typename Op, typename Terminator>
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static Op
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createRegionOp(fir::FirOpBuilder &builder, mlir::Location loc,
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const llvm::SmallVectorImpl<mlir::Value> &operands,
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const llvm::SmallVectorImpl<int32_t> &operandSegments) {
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llvm::ArrayRef<mlir::Type> argTy;
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Op op = builder.create<Op>(loc, argTy, operands);
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builder.createBlock(&op.getRegion());
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mlir::Block &block = op.getRegion().back();
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builder.setInsertionPointToStart(&block);
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builder.create<Terminator>(loc);
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op->setAttr(Op::getOperandSegmentSizeAttr(),
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builder.getDenseI32ArrayAttr(operandSegments));
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// Place the insertion point to the start of the first block.
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builder.setInsertionPointToStart(&block);
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return op;
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}
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template <typename Op>
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static Op
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createSimpleOp(fir::FirOpBuilder &builder, mlir::Location loc,
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const llvm::SmallVectorImpl<mlir::Value> &operands,
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const llvm::SmallVectorImpl<int32_t> &operandSegments) {
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llvm::ArrayRef<mlir::Type> argTy;
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Op op = builder.create<Op>(loc, argTy, operands);
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op->setAttr(Op::getOperandSegmentSizeAttr(),
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builder.getDenseI32ArrayAttr(operandSegments));
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return op;
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}
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static void genAsyncClause(Fortran::lower::AbstractConverter &converter,
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const Fortran::parser::AccClause::Async *asyncClause,
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mlir::Value &async, bool &addAsyncAttr,
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Fortran::lower::StatementContext &stmtCtx) {
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const auto &asyncClauseValue = asyncClause->v;
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if (asyncClauseValue) { // async has a value.
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async = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*asyncClauseValue), stmtCtx));
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} else {
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addAsyncAttr = true;
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}
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}
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static void genDeviceTypeClause(
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Fortran::lower::AbstractConverter &converter, mlir::Location clauseLocation,
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const Fortran::parser::AccClause::DeviceType *deviceTypeClause,
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llvm::SmallVectorImpl<mlir::Value> &operands,
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Fortran::lower::StatementContext &stmtCtx) {
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const Fortran::parser::AccDeviceTypeExprList &deviceTypeExprList =
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deviceTypeClause->v;
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for (const auto &deviceTypeExpr : deviceTypeExprList.v) {
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const auto &expr = std::get<std::optional<Fortran::parser::ScalarIntExpr>>(
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deviceTypeExpr.t);
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if (expr) {
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operands.push_back(fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(expr), stmtCtx, &clauseLocation)));
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} else {
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// * was passed as value and will be represented as a special constant.
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fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
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mlir::Value star = firOpBuilder.createIntegerConstant(
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clauseLocation, firOpBuilder.getIndexType(), starCst);
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operands.push_back(star);
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}
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}
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}
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static void genIfClause(Fortran::lower::AbstractConverter &converter,
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mlir::Location clauseLocation,
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const Fortran::parser::AccClause::If *ifClause,
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mlir::Value &ifCond,
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Fortran::lower::StatementContext &stmtCtx) {
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fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
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mlir::Value cond = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(ifClause->v), stmtCtx, &clauseLocation));
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ifCond = firOpBuilder.createConvert(clauseLocation, firOpBuilder.getI1Type(),
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cond);
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}
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static void genWaitClause(Fortran::lower::AbstractConverter &converter,
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const Fortran::parser::AccClause::Wait *waitClause,
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llvm::SmallVectorImpl<mlir::Value> &operands,
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mlir::Value &waitDevnum, bool &addWaitAttr,
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Fortran::lower::StatementContext &stmtCtx) {
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const auto &waitClauseValue = waitClause->v;
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if (waitClauseValue) { // wait has a value.
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const Fortran::parser::AccWaitArgument &waitArg = *waitClauseValue;
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const auto &waitList =
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std::get<std::list<Fortran::parser::ScalarIntExpr>>(waitArg.t);
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for (const Fortran::parser::ScalarIntExpr &value : waitList) {
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mlir::Value v = fir::getBase(
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converter.genExprValue(*Fortran::semantics::GetExpr(value), stmtCtx));
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operands.push_back(v);
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}
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const auto &waitDevnumValue =
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std::get<std::optional<Fortran::parser::ScalarIntExpr>>(waitArg.t);
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if (waitDevnumValue)
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waitDevnum = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*waitDevnumValue), stmtCtx));
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} else {
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addWaitAttr = true;
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}
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}
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static mlir::acc::LoopOp
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createLoopOp(Fortran::lower::AbstractConverter &converter,
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mlir::Location currentLocation,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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const Fortran::parser::AccClauseList &accClauseList) {
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fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
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mlir::Value workerNum;
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mlir::Value vectorNum;
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mlir::Value gangNum;
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mlir::Value gangStatic;
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llvm::SmallVector<mlir::Value, 2> tileOperands, privateOperands,
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reductionOperands;
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std::int64_t executionMapping = mlir::acc::OpenACCExecMapping::NONE;
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for (const Fortran::parser::AccClause &clause : accClauseList.v) {
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mlir::Location clauseLocation = converter.genLocation(clause.source);
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if (const auto *gangClause =
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std::get_if<Fortran::parser::AccClause::Gang>(&clause.u)) {
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if (gangClause->v) {
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const Fortran::parser::AccGangArgument &x = *gangClause->v;
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if (const auto &gangNumValue =
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std::get<std::optional<Fortran::parser::ScalarIntExpr>>(x.t)) {
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gangNum = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(gangNumValue.value()), stmtCtx));
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}
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if (const auto &gangStaticValue =
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std::get<std::optional<Fortran::parser::AccSizeExpr>>(x.t)) {
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const auto &expr =
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std::get<std::optional<Fortran::parser::ScalarIntExpr>>(
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gangStaticValue.value().t);
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if (expr) {
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gangStatic = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*expr), stmtCtx));
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} else {
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// * was passed as value and will be represented as a special
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// constant.
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gangStatic = firOpBuilder.createIntegerConstant(
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clauseLocation, firOpBuilder.getIndexType(), starCst);
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}
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}
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}
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executionMapping |= mlir::acc::OpenACCExecMapping::GANG;
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} else if (const auto *workerClause =
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std::get_if<Fortran::parser::AccClause::Worker>(&clause.u)) {
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if (workerClause->v) {
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workerNum = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*workerClause->v), stmtCtx));
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}
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executionMapping |= mlir::acc::OpenACCExecMapping::WORKER;
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} else if (const auto *vectorClause =
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std::get_if<Fortran::parser::AccClause::Vector>(&clause.u)) {
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if (vectorClause->v) {
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vectorNum = fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*vectorClause->v), stmtCtx));
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}
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executionMapping |= mlir::acc::OpenACCExecMapping::VECTOR;
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} else if (const auto *tileClause =
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std::get_if<Fortran::parser::AccClause::Tile>(&clause.u)) {
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const Fortran::parser::AccTileExprList &accTileExprList = tileClause->v;
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for (const auto &accTileExpr : accTileExprList.v) {
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const auto &expr =
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std::get<std::optional<Fortran::parser::ScalarIntConstantExpr>>(
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accTileExpr.t);
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if (expr) {
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tileOperands.push_back(fir::getBase(converter.genExprValue(
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*Fortran::semantics::GetExpr(*expr), stmtCtx)));
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} else {
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// * was passed as value and will be represented as a -1 constant
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// integer.
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mlir::Value tileStar = firOpBuilder.createIntegerConstant(
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clauseLocation, firOpBuilder.getIntegerType(32),
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/* STAR */ -1);
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tileOperands.push_back(tileStar);
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}
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}
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} else if (const auto *privateClause =
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std::get_if<Fortran::parser::AccClause::Private>(
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&clause.u)) {
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genObjectList(privateClause->v, converter, semanticsContext, stmtCtx,
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privateOperands);
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}
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// Reduction clause is left out for the moment as the clause will probably
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// end up having its own operation.
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}
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// Prepare the operand segement size attribute and the operands value range.
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llvm::SmallVector<mlir::Value> operands;
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llvm::SmallVector<int32_t> operandSegments;
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addOperand(operands, operandSegments, gangNum);
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addOperand(operands, operandSegments, gangStatic);
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addOperand(operands, operandSegments, workerNum);
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addOperand(operands, operandSegments, vectorNum);
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addOperands(operands, operandSegments, tileOperands);
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addOperands(operands, operandSegments, privateOperands);
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addOperands(operands, operandSegments, reductionOperands);
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auto loopOp = createRegionOp<mlir::acc::LoopOp, mlir::acc::YieldOp>(
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firOpBuilder, currentLocation, operands, operandSegments);
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loopOp.setExecMappingAttr(firOpBuilder.getI64IntegerAttr(executionMapping));
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// Lower clauses mapped to attributes
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for (const Fortran::parser::AccClause &clause : accClauseList.v) {
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if (const auto *collapseClause =
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std::get_if<Fortran::parser::AccClause::Collapse>(&clause.u)) {
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const auto *expr = Fortran::semantics::GetExpr(collapseClause->v);
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const std::optional<int64_t> collapseValue =
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Fortran::evaluate::ToInt64(*expr);
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if (collapseValue) {
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loopOp.setCollapseAttr(firOpBuilder.getI64IntegerAttr(*collapseValue));
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}
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} else if (std::get_if<Fortran::parser::AccClause::Seq>(&clause.u)) {
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loopOp.setSeqAttr(firOpBuilder.getUnitAttr());
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} else if (std::get_if<Fortran::parser::AccClause::Independent>(
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&clause.u)) {
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loopOp.setIndependentAttr(firOpBuilder.getUnitAttr());
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} else if (std::get_if<Fortran::parser::AccClause::Auto>(&clause.u)) {
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loopOp->setAttr(mlir::acc::LoopOp::getAutoAttrStrName(),
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firOpBuilder.getUnitAttr());
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}
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}
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return loopOp;
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}
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static void genACC(Fortran::lower::AbstractConverter &converter,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::pft::Evaluation &eval,
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const Fortran::parser::OpenACCLoopConstruct &loopConstruct) {
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const auto &beginLoopDirective =
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std::get<Fortran::parser::AccBeginLoopDirective>(loopConstruct.t);
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const auto &loopDirective =
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std::get<Fortran::parser::AccLoopDirective>(beginLoopDirective.t);
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mlir::Location currentLocation =
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converter.genLocation(beginLoopDirective.source);
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Fortran::lower::StatementContext stmtCtx;
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if (loopDirective.v == llvm::acc::ACCD_loop) {
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const auto &accClauseList =
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std::get<Fortran::parser::AccClauseList>(beginLoopDirective.t);
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createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
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accClauseList);
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}
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}
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static mlir::acc::ParallelOp
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createParallelOp(Fortran::lower::AbstractConverter &converter,
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mlir::Location currentLocation,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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const Fortran::parser::AccClauseList &accClauseList) {
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// Parallel operation operands
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mlir::Value async;
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mlir::Value numGangs;
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mlir::Value numWorkers;
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mlir::Value vectorLength;
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mlir::Value ifCond;
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mlir::Value selfCond;
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mlir::Value waitDevnum;
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llvm::SmallVector<mlir::Value, 2> waitOperands, reductionOperands,
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copyOperands, copyinOperands, copyinReadonlyOperands, copyoutOperands,
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copyoutZeroOperands, createOperands, createZeroOperands, noCreateOperands,
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presentOperands, devicePtrOperands, attachOperands, firstprivateOperands,
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privateOperands;
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// Async, wait and self clause have optional values but can be present with
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// no value as well. When there is no value, the op has an attribute to
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// represent the clause.
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bool addAsyncAttr = false;
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bool addWaitAttr = false;
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bool addSelfAttr = false;
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fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
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// Lower clauses values mapped to operands.
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// Keep track of each group of operands separatly as clauses can appear
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// more than once.
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for (const Fortran::parser::AccClause &clause : accClauseList.v) {
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mlir::Location clauseLocation = converter.genLocation(clause.source);
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if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *numGangsClause =
|
|
std::get_if<Fortran::parser::AccClause::NumGangs>(
|
|
&clause.u)) {
|
|
numGangs = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(numGangsClause->v), stmtCtx));
|
|
} else if (const auto *numWorkersClause =
|
|
std::get_if<Fortran::parser::AccClause::NumWorkers>(
|
|
&clause.u)) {
|
|
numWorkers = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(numWorkersClause->v), stmtCtx));
|
|
} else if (const auto *vectorLengthClause =
|
|
std::get_if<Fortran::parser::AccClause::VectorLength>(
|
|
&clause.u)) {
|
|
vectorLength = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(vectorLengthClause->v), stmtCtx));
|
|
} else if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *selfClause =
|
|
std::get_if<Fortran::parser::AccClause::Self>(&clause.u)) {
|
|
const std::optional<Fortran::parser::AccSelfClause> &accSelfClause =
|
|
selfClause->v;
|
|
if (accSelfClause) {
|
|
if (const auto *optCondition =
|
|
std::get_if<std::optional<Fortran::parser::ScalarLogicalExpr>>(
|
|
&(*accSelfClause).u)) {
|
|
if (*optCondition) {
|
|
mlir::Value cond = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*optCondition), stmtCtx));
|
|
selfCond = firOpBuilder.createConvert(
|
|
clauseLocation, firOpBuilder.getI1Type(), cond);
|
|
}
|
|
} else if (const auto *accClauseList =
|
|
std::get_if<Fortran::parser::AccObjectList>(
|
|
&(*accSelfClause).u)) {
|
|
// TODO This would be nicer to be done in canonicalization step.
|
|
if (accClauseList->v.size() == 1) {
|
|
const auto &accObject = accClauseList->v.front();
|
|
if (const auto *designator =
|
|
std::get_if<Fortran::parser::Designator>(&accObject.u)) {
|
|
if (const auto *name = getDesignatorNameIfDataRef(*designator)) {
|
|
auto cond = converter.getSymbolAddress(*name->symbol);
|
|
selfCond = firOpBuilder.createConvert(
|
|
clauseLocation, firOpBuilder.getI1Type(), cond);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
addSelfAttr = true;
|
|
}
|
|
} else if (const auto *copyClause =
|
|
std::get_if<Fortran::parser::AccClause::Copy>(&clause.u)) {
|
|
genObjectList(copyClause->v, converter, semanticsContext, stmtCtx,
|
|
copyOperands);
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Copyin>(
|
|
copyinClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::ReadOnly,
|
|
copyinReadonlyOperands, copyinOperands);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Copyout>(
|
|
copyoutClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, copyoutZeroOperands,
|
|
copyoutOperands);
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Create>(
|
|
createClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, createZeroOperands,
|
|
createOperands);
|
|
} else if (const auto *noCreateClause =
|
|
std::get_if<Fortran::parser::AccClause::NoCreate>(
|
|
&clause.u)) {
|
|
genObjectList(noCreateClause->v, converter, semanticsContext, stmtCtx,
|
|
noCreateOperands);
|
|
} else if (const auto *presentClause =
|
|
std::get_if<Fortran::parser::AccClause::Present>(
|
|
&clause.u)) {
|
|
genObjectList(presentClause->v, converter, semanticsContext, stmtCtx,
|
|
presentOperands);
|
|
} else if (const auto *devicePtrClause =
|
|
std::get_if<Fortran::parser::AccClause::Deviceptr>(
|
|
&clause.u)) {
|
|
genObjectList(devicePtrClause->v, converter, semanticsContext, stmtCtx,
|
|
devicePtrOperands);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
genObjectList(attachClause->v, converter, semanticsContext, stmtCtx,
|
|
attachOperands);
|
|
} else if (const auto *privateClause =
|
|
std::get_if<Fortran::parser::AccClause::Private>(
|
|
&clause.u)) {
|
|
genObjectList(privateClause->v, converter, semanticsContext, stmtCtx,
|
|
privateOperands);
|
|
} else if (const auto *firstprivateClause =
|
|
std::get_if<Fortran::parser::AccClause::Firstprivate>(
|
|
&clause.u)) {
|
|
genObjectList(firstprivateClause->v, converter, semanticsContext, stmtCtx,
|
|
firstprivateOperands);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 8> operands;
|
|
llvm::SmallVector<int32_t, 8> operandSegments;
|
|
addOperand(operands, operandSegments, async);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperand(operands, operandSegments, numGangs);
|
|
addOperand(operands, operandSegments, numWorkers);
|
|
addOperand(operands, operandSegments, vectorLength);
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, selfCond);
|
|
addOperands(operands, operandSegments, reductionOperands);
|
|
addOperands(operands, operandSegments, copyOperands);
|
|
addOperands(operands, operandSegments, copyinOperands);
|
|
addOperands(operands, operandSegments, copyinReadonlyOperands);
|
|
addOperands(operands, operandSegments, copyoutOperands);
|
|
addOperands(operands, operandSegments, copyoutZeroOperands);
|
|
addOperands(operands, operandSegments, createOperands);
|
|
addOperands(operands, operandSegments, createZeroOperands);
|
|
addOperands(operands, operandSegments, noCreateOperands);
|
|
addOperands(operands, operandSegments, presentOperands);
|
|
addOperands(operands, operandSegments, devicePtrOperands);
|
|
addOperands(operands, operandSegments, attachOperands);
|
|
addOperands(operands, operandSegments, privateOperands);
|
|
addOperands(operands, operandSegments, firstprivateOperands);
|
|
|
|
mlir::acc::ParallelOp parallelOp =
|
|
createRegionOp<mlir::acc::ParallelOp, mlir::acc::YieldOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
parallelOp->setAttr(mlir::acc::ParallelOp::getAsyncAttrName(),
|
|
firOpBuilder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
parallelOp->setAttr(mlir::acc::ParallelOp::getWaitAttrName(),
|
|
firOpBuilder.getUnitAttr());
|
|
if (addSelfAttr)
|
|
parallelOp->setAttr(mlir::acc::ParallelOp::getSelfAttrName(),
|
|
firOpBuilder.getUnitAttr());
|
|
|
|
return parallelOp;
|
|
}
|
|
|
|
static void
|
|
genACCParallelOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
createParallelOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
|
|
static void genACCDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond;
|
|
llvm::SmallVector<mlir::Value> copyOperands, copyinOperands,
|
|
copyinReadonlyOperands, copyoutOperands, copyoutZeroOperands,
|
|
createOperands, createZeroOperands, noCreateOperands, presentOperands,
|
|
deviceptrOperands, attachOperands;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *copyClause =
|
|
std::get_if<Fortran::parser::AccClause::Copy>(&clause.u)) {
|
|
genObjectList(copyClause->v, converter, semanticsContext, stmtCtx,
|
|
copyOperands);
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Copyin>(
|
|
copyinClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::ReadOnly,
|
|
copyinReadonlyOperands, copyinOperands);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Copyout>(
|
|
copyoutClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, copyoutZeroOperands,
|
|
copyoutOperands);
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Create>(
|
|
createClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, createZeroOperands,
|
|
createOperands);
|
|
} else if (const auto *noCreateClause =
|
|
std::get_if<Fortran::parser::AccClause::NoCreate>(
|
|
&clause.u)) {
|
|
genObjectList(noCreateClause->v, converter, semanticsContext, stmtCtx,
|
|
noCreateOperands);
|
|
} else if (const auto *presentClause =
|
|
std::get_if<Fortran::parser::AccClause::Present>(
|
|
&clause.u)) {
|
|
genObjectList(presentClause->v, converter, semanticsContext, stmtCtx,
|
|
presentOperands);
|
|
} else if (const auto *deviceptrClause =
|
|
std::get_if<Fortran::parser::AccClause::Deviceptr>(
|
|
&clause.u)) {
|
|
genObjectList(deviceptrClause->v, converter, semanticsContext, stmtCtx,
|
|
deviceptrOperands);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
genObjectList(attachClause->v, converter, semanticsContext, stmtCtx,
|
|
attachOperands);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperands(operands, operandSegments, copyOperands);
|
|
addOperands(operands, operandSegments, copyinOperands);
|
|
addOperands(operands, operandSegments, copyinReadonlyOperands);
|
|
addOperands(operands, operandSegments, copyoutOperands);
|
|
addOperands(operands, operandSegments, copyoutZeroOperands);
|
|
addOperands(operands, operandSegments, createOperands);
|
|
addOperands(operands, operandSegments, createZeroOperands);
|
|
addOperands(operands, operandSegments, noCreateOperands);
|
|
addOperands(operands, operandSegments, presentOperands);
|
|
addOperands(operands, operandSegments, deviceptrOperands);
|
|
addOperands(operands, operandSegments, attachOperands);
|
|
|
|
createRegionOp<mlir::acc::DataOp, mlir::acc::TerminatorOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCBlockConstruct &blockConstruct) {
|
|
const auto &beginBlockDirective =
|
|
std::get<Fortran::parser::AccBeginBlockDirective>(blockConstruct.t);
|
|
const auto &blockDirective =
|
|
std::get<Fortran::parser::AccBlockDirective>(beginBlockDirective.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(beginBlockDirective.t);
|
|
|
|
mlir::Location currentLocation = converter.genLocation(blockDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (blockDirective.v == llvm::acc::ACCD_parallel) {
|
|
genACCParallelOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (blockDirective.v == llvm::acc::ACCD_data) {
|
|
genACCDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
}
|
|
|
|
static void
|
|
genACCParallelLoopOps(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
createParallelOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCCombinedConstruct &combinedConstruct) {
|
|
const auto &beginCombinedDirective =
|
|
std::get<Fortran::parser::AccBeginCombinedDirective>(combinedConstruct.t);
|
|
const auto &combinedDirective =
|
|
std::get<Fortran::parser::AccCombinedDirective>(beginCombinedDirective.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(beginCombinedDirective.t);
|
|
|
|
mlir::Location currentLocation =
|
|
converter.genLocation(beginCombinedDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (combinedDirective.v == llvm::acc::ACCD_kernels_loop) {
|
|
TODO(currentLocation, "OpenACC Kernels Loop construct not lowered yet!");
|
|
} else if (combinedDirective.v == llvm::acc::ACCD_parallel_loop) {
|
|
genACCParallelLoopOps(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (combinedDirective.v == llvm::acc::ACCD_serial_loop) {
|
|
TODO(currentLocation, "OpenACC Serial Loop construct not lowered yet!");
|
|
} else {
|
|
llvm::report_fatal_error("Unknown combined construct encountered");
|
|
}
|
|
}
|
|
|
|
static void
|
|
genACCEnterDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> copyinOperands, createOperands,
|
|
createZeroOperands, attachOperands, waitOperands;
|
|
|
|
// Async, wait and self clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier =
|
|
copyinClause->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
genObjectList(accObjectList, converter, semanticsContext, stmtCtx,
|
|
copyinOperands);
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
genObjectListWithModifier<Fortran::parser::AccClause::Create>(
|
|
createClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, createZeroOperands,
|
|
createOperands);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
genObjectList(attachClause->v, converter, semanticsContext, stmtCtx,
|
|
attachOperands);
|
|
} else {
|
|
llvm::report_fatal_error(
|
|
"Unknown clause in ENTER DATA directive lowering");
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 16> operands;
|
|
llvm::SmallVector<int32_t, 8> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, copyinOperands);
|
|
addOperands(operands, operandSegments, createOperands);
|
|
addOperands(operands, operandSegments, createZeroOperands);
|
|
addOperands(operands, operandSegments, attachOperands);
|
|
|
|
mlir::acc::EnterDataOp enterDataOp = createSimpleOp<mlir::acc::EnterDataOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
enterDataOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
enterDataOp.setWaitAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
static void
|
|
genACCExitDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> copyoutOperands, deleteOperands,
|
|
detachOperands, waitOperands;
|
|
|
|
// Async and wait clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
bool addFinalizeAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier =
|
|
copyoutClause->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
genObjectList(accObjectList, converter, semanticsContext, stmtCtx,
|
|
copyoutOperands);
|
|
} else if (const auto *deleteClause =
|
|
std::get_if<Fortran::parser::AccClause::Delete>(&clause.u)) {
|
|
genObjectList(deleteClause->v, converter, semanticsContext, stmtCtx,
|
|
deleteOperands);
|
|
} else if (const auto *detachClause =
|
|
std::get_if<Fortran::parser::AccClause::Detach>(&clause.u)) {
|
|
genObjectList(detachClause->v, converter, semanticsContext, stmtCtx,
|
|
detachOperands);
|
|
} else if (std::get_if<Fortran::parser::AccClause::Finalize>(&clause.u)) {
|
|
addFinalizeAttr = true;
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 14> operands;
|
|
llvm::SmallVector<int32_t, 7> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, copyoutOperands);
|
|
addOperands(operands, operandSegments, deleteOperands);
|
|
addOperands(operands, operandSegments, detachOperands);
|
|
|
|
mlir::acc::ExitDataOp exitDataOp = createSimpleOp<mlir::acc::ExitDataOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
exitDataOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
exitDataOp.setWaitAttr(firOpBuilder.getUnitAttr());
|
|
if (addFinalizeAttr)
|
|
exitDataOp.setFinalizeAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
template <typename Op>
|
|
static void
|
|
genACCInitShutdownOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, deviceNum;
|
|
llvm::SmallVector<mlir::Value> deviceTypeOperands;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *deviceNumClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceNum>(
|
|
&clause.u)) {
|
|
deviceNum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(deviceNumClause->v), stmtCtx));
|
|
} else if (const auto *deviceTypeClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceType>(
|
|
&clause.u)) {
|
|
genDeviceTypeClause(converter, clauseLocation, deviceTypeClause,
|
|
deviceTypeOperands, stmtCtx);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 6> operands;
|
|
llvm::SmallVector<int32_t, 3> operandSegments;
|
|
addOperands(operands, operandSegments, deviceTypeOperands);
|
|
addOperand(operands, operandSegments, deviceNum);
|
|
addOperand(operands, operandSegments, ifCond);
|
|
|
|
createSimpleOp<Op>(firOpBuilder, currentLocation, operands, operandSegments);
|
|
}
|
|
|
|
static void
|
|
genACCUpdateOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> hostOperands, deviceOperands, waitOperands,
|
|
deviceTypeOperands;
|
|
|
|
// Async and wait clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
bool addIfPresentAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *deviceTypeClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceType>(
|
|
&clause.u)) {
|
|
genDeviceTypeClause(converter, clauseLocation, deviceTypeClause,
|
|
deviceTypeOperands, stmtCtx);
|
|
} else if (const auto *hostClause =
|
|
std::get_if<Fortran::parser::AccClause::Host>(&clause.u)) {
|
|
genObjectList(hostClause->v, converter, semanticsContext, stmtCtx,
|
|
hostOperands);
|
|
} else if (const auto *deviceClause =
|
|
std::get_if<Fortran::parser::AccClause::Device>(&clause.u)) {
|
|
genObjectList(deviceClause->v, converter, semanticsContext, stmtCtx,
|
|
deviceOperands);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, deviceTypeOperands);
|
|
addOperands(operands, operandSegments, hostOperands);
|
|
addOperands(operands, operandSegments, deviceOperands);
|
|
|
|
mlir::acc::UpdateOp updateOp = createSimpleOp<mlir::acc::UpdateOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
updateOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
updateOp.setWaitAttr(firOpBuilder.getUnitAttr());
|
|
if (addIfPresentAttr)
|
|
updateOp.setIfPresentAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCStandaloneConstruct &standaloneConstruct) {
|
|
const auto &standaloneDirective =
|
|
std::get<Fortran::parser::AccStandaloneDirective>(standaloneConstruct.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(standaloneConstruct.t);
|
|
|
|
mlir::Location currentLocation =
|
|
converter.genLocation(standaloneDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (standaloneDirective.v == llvm::acc::Directive::ACCD_enter_data) {
|
|
genACCEnterDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_exit_data) {
|
|
genACCExitDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_init) {
|
|
genACCInitShutdownOp<mlir::acc::InitOp>(converter, currentLocation,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_shutdown) {
|
|
genACCInitShutdownOp<mlir::acc::ShutdownOp>(converter, currentLocation,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_set) {
|
|
TODO(currentLocation, "OpenACC set directive not lowered yet!");
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_update) {
|
|
genACCUpdateOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
}
|
|
|
|
static void genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCWaitConstruct &waitConstruct) {
|
|
|
|
const auto &waitArgument =
|
|
std::get<std::optional<Fortran::parser::AccWaitArgument>>(
|
|
waitConstruct.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(waitConstruct.t);
|
|
|
|
mlir::Value ifCond, waitDevnum, async;
|
|
llvm::SmallVector<mlir::Value> waitOperands;
|
|
|
|
// Async clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
mlir::Location currentLocation = converter.genLocation(waitConstruct.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (waitArgument) { // wait has a value.
|
|
const Fortran::parser::AccWaitArgument &waitArg = *waitArgument;
|
|
const auto &waitList =
|
|
std::get<std::list<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
for (const Fortran::parser::ScalarIntExpr &value : waitList) {
|
|
mlir::Value v = fir::getBase(
|
|
converter.genExprValue(*Fortran::semantics::GetExpr(value), stmtCtx));
|
|
waitOperands.push_back(v);
|
|
}
|
|
|
|
const auto &waitDevnumValue =
|
|
std::get<std::optional<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
if (waitDevnumValue)
|
|
waitDevnum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*waitDevnumValue), stmtCtx));
|
|
}
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segement size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperand(operands, operandSegments, ifCond);
|
|
|
|
mlir::acc::WaitOp waitOp = createSimpleOp<mlir::acc::WaitOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
waitOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
void Fortran::lower::genOpenACCConstruct(
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCConstruct &accConstruct) {
|
|
|
|
std::visit(
|
|
common::visitors{
|
|
[&](const Fortran::parser::OpenACCBlockConstruct &blockConstruct) {
|
|
genACC(converter, semanticsContext, eval, blockConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCCombinedConstruct
|
|
&combinedConstruct) {
|
|
genACC(converter, semanticsContext, eval, combinedConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCLoopConstruct &loopConstruct) {
|
|
genACC(converter, semanticsContext, eval, loopConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCStandaloneConstruct
|
|
&standaloneConstruct) {
|
|
genACC(converter, semanticsContext, eval, standaloneConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCCacheConstruct &cacheConstruct) {
|
|
TODO(converter.genLocation(cacheConstruct.source),
|
|
"OpenACC Cache construct not lowered yet!");
|
|
},
|
|
[&](const Fortran::parser::OpenACCWaitConstruct &waitConstruct) {
|
|
genACC(converter, eval, waitConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCAtomicConstruct &atomicConstruct) {
|
|
TODO(converter.genLocation(atomicConstruct.source),
|
|
"OpenACC Atomic construct not lowered yet!");
|
|
},
|
|
},
|
|
accConstruct.u);
|
|
}
|
|
|
|
void Fortran::lower::genOpenACCDeclarativeConstruct(
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCDeclarativeConstruct &accDeclConstruct) {
|
|
|
|
std::visit(
|
|
common::visitors{
|
|
[&](const Fortran::parser::OpenACCStandaloneDeclarativeConstruct
|
|
&standaloneDeclarativeConstruct) {
|
|
TODO(converter.genLocation(standaloneDeclarativeConstruct.source),
|
|
"OpenACC Standalone Declarative construct not lowered yet!");
|
|
},
|
|
[&](const Fortran::parser::OpenACCRoutineConstruct
|
|
&routineConstruct) {
|
|
TODO(converter.genLocation(routineConstruct.source),
|
|
"OpenACC Routine construct not lowered yet!");
|
|
},
|
|
},
|
|
accDeclConstruct.u);
|
|
}
|