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IO.cpp
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IO.cpp
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//===-- IO.cpp -- IO statement lowering -----------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
//
//===----------------------------------------------------------------------===//
#include "flang/Lower/IO.h"
#include "flang/Common/uint128.h"
#include "flang/Lower/Allocatable.h"
#include "flang/Lower/Bridge.h"
#include "flang/Lower/ConvertExpr.h"
#include "flang/Lower/ConvertVariable.h"
#include "flang/Lower/PFTBuilder.h"
#include "flang/Lower/Runtime.h"
#include "flang/Lower/StatementContext.h"
#include "flang/Lower/Support/Utils.h"
#include "flang/Lower/Todo.h"
#include "flang/Lower/VectorSubscripts.h"
#include "flang/Optimizer/Builder/Character.h"
#include "flang/Optimizer/Builder/Complex.h"
#include "flang/Optimizer/Builder/FIRBuilder.h"
#include "flang/Optimizer/Builder/Runtime/RTBuilder.h"
#include "flang/Optimizer/Support/FIRContext.h"
#include "flang/Parser/parse-tree.h"
#include "flang/Runtime/io-api.h"
#include "flang/Semantics/tools.h"
#include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
#define DEBUG_TYPE "flang-lower-io"
// Define additional runtime type models specific to IO.
namespace fir::runtime {
template <>
constexpr TypeBuilderFunc getModel<Fortran::runtime::io::IoStatementState *>() {
return getModel<char *>();
}
template <>
constexpr TypeBuilderFunc
getModel<const Fortran::runtime::io::NamelistGroup &>() {
return [](mlir::MLIRContext *context) -> mlir::Type {
return fir::ReferenceType::get(mlir::TupleType::get(context));
};
}
template <>
constexpr TypeBuilderFunc getModel<Fortran::runtime::io::Iostat>() {
return [](mlir::MLIRContext *context) -> mlir::Type {
return mlir::IntegerType::get(context,
8 * sizeof(Fortran::runtime::io::Iostat));
};
}
} // namespace fir::runtime
using namespace Fortran::runtime::io;
#define mkIOKey(X) FirmkKey(IONAME(X))
namespace Fortran::lower {
/// Static table of IO runtime calls
///
/// This logical map contains the name and type builder function for each IO
/// runtime function listed in the tuple. This table is fully constructed at
/// compile-time. Use the `mkIOKey` macro to access the table.
static constexpr std::tuple<
mkIOKey(BeginInternalArrayListOutput), mkIOKey(BeginInternalArrayListInput),
mkIOKey(BeginInternalArrayFormattedOutput),
mkIOKey(BeginInternalArrayFormattedInput), mkIOKey(BeginInternalListOutput),
mkIOKey(BeginInternalListInput), mkIOKey(BeginInternalFormattedOutput),
mkIOKey(BeginInternalFormattedInput), mkIOKey(BeginExternalListOutput),
mkIOKey(BeginExternalListInput), mkIOKey(BeginExternalFormattedOutput),
mkIOKey(BeginExternalFormattedInput), mkIOKey(BeginUnformattedOutput),
mkIOKey(BeginUnformattedInput), mkIOKey(BeginAsynchronousOutput),
mkIOKey(BeginAsynchronousInput), mkIOKey(BeginWait), mkIOKey(BeginWaitAll),
mkIOKey(BeginClose), mkIOKey(BeginFlush), mkIOKey(BeginBackspace),
mkIOKey(BeginEndfile), mkIOKey(BeginRewind), mkIOKey(BeginOpenUnit),
mkIOKey(BeginOpenNewUnit), mkIOKey(BeginInquireUnit),
mkIOKey(BeginInquireFile), mkIOKey(BeginInquireIoLength),
mkIOKey(EnableHandlers), mkIOKey(SetAdvance), mkIOKey(SetBlank),
mkIOKey(SetDecimal), mkIOKey(SetDelim), mkIOKey(SetPad), mkIOKey(SetPos),
mkIOKey(SetRec), mkIOKey(SetRound), mkIOKey(SetSign),
mkIOKey(OutputNamelist), mkIOKey(InputNamelist), mkIOKey(OutputDescriptor),
mkIOKey(InputDescriptor), mkIOKey(OutputUnformattedBlock),
mkIOKey(InputUnformattedBlock), mkIOKey(OutputInteger8),
mkIOKey(OutputInteger16), mkIOKey(OutputInteger32),
mkIOKey(OutputInteger64),
#ifdef __SIZEOF_INT128__
mkIOKey(OutputInteger128),
#endif
mkIOKey(InputInteger),
mkIOKey(OutputReal32), mkIOKey(InputReal32), mkIOKey(OutputReal64),
mkIOKey(InputReal64), mkIOKey(OutputComplex32), mkIOKey(InputComplex32),
mkIOKey(OutputComplex64), mkIOKey(InputComplex64), mkIOKey(OutputAscii),
mkIOKey(InputAscii), mkIOKey(OutputLogical), mkIOKey(InputLogical),
mkIOKey(SetAccess), mkIOKey(SetAction), mkIOKey(SetAsynchronous),
mkIOKey(SetCarriagecontrol), mkIOKey(SetEncoding), mkIOKey(SetForm),
mkIOKey(SetPosition), mkIOKey(SetRecl), mkIOKey(SetStatus),
mkIOKey(SetFile), mkIOKey(GetNewUnit), mkIOKey(GetSize),
mkIOKey(GetIoLength), mkIOKey(GetIoMsg), mkIOKey(InquireCharacter),
mkIOKey(InquireLogical), mkIOKey(InquirePendingId),
mkIOKey(InquireInteger64), mkIOKey(EndIoStatement)>
newIOTable;
} // namespace Fortran::lower
namespace {
/// IO statements may require exceptional condition handling. A statement that
/// encounters an exceptional condition may branch to a label given on an ERR
/// (error), END (end-of-file), or EOR (end-of-record) specifier. An IOSTAT
/// specifier variable may be set to a value that indicates some condition,
/// and an IOMSG specifier variable may be set to a description of a condition.
struct ConditionSpecInfo {
const Fortran::lower::SomeExpr *ioStatExpr{};
const Fortran::lower::SomeExpr *ioMsgExpr{};
bool hasErr{};
bool hasEnd{};
bool hasEor{};
/// Check for any condition specifier that applies to specifier processing.
bool hasErrorConditionSpec() const { return ioStatExpr != nullptr || hasErr; }
/// Check for any condition specifier that applies to data transfer items
/// in a PRINT, READ, WRITE, or WAIT statement. (WAIT may be irrelevant.)
bool hasTransferConditionSpec() const {
return hasErrorConditionSpec() || hasEnd || hasEor;
}
/// Check for any condition specifier, including IOMSG.
bool hasAnyConditionSpec() const {
return hasTransferConditionSpec() || ioMsgExpr != nullptr;
}
};
} // namespace
template <typename D>
static void genIoLoop(Fortran::lower::AbstractConverter &converter,
mlir::Value cookie, const D &ioImpliedDo,
bool isFormatted, bool checkResult, mlir::Value &ok,
bool inLoop, Fortran::lower::StatementContext &stmtCtx);
/// Helper function to retrieve the name of the IO function given the key `A`
template <typename A>
static constexpr const char *getName() {
return std::get<A>(Fortran::lower::newIOTable).name;
}
/// Helper function to retrieve the type model signature builder of the IO
/// function as defined by the key `A`
template <typename A>
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return std::get<A>(Fortran::lower::newIOTable).getTypeModel();
}
inline int64_t getLength(mlir::Type argTy) {
return argTy.cast<fir::SequenceType>().getShape()[0];
}
/// Get (or generate) the MLIR FuncOp for a given IO runtime function.
template <typename E>
static mlir::FuncOp getIORuntimeFunc(mlir::Location loc,
fir::FirOpBuilder &builder) {
llvm::StringRef name = getName<E>();
mlir::FuncOp func = builder.getNamedFunction(name);
if (func)
return func;
auto funTy = getTypeModel<E>()(builder.getContext());
func = builder.createFunction(loc, name, funTy);
func->setAttr("fir.runtime", builder.getUnitAttr());
func->setAttr("fir.io", builder.getUnitAttr());
return func;
}
/// Generate calls to end an IO statement. Return the IOSTAT value, if any.
/// It is the caller's responsibility to generate branches on that value.
static mlir::Value genEndIO(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Value cookie,
const ConditionSpecInfo &csi,
Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
if (csi.ioMsgExpr) {
mlir::FuncOp getIoMsg = getIORuntimeFunc<mkIOKey(GetIoMsg)>(loc, builder);
fir::ExtendedValue ioMsgVar =
converter.genExprAddr(csi.ioMsgExpr, stmtCtx, loc);
builder.create<fir::CallOp>(
loc, getIoMsg,
mlir::ValueRange{
cookie,
builder.createConvert(loc, getIoMsg.getType().getInput(1),
fir::getBase(ioMsgVar)),
builder.createConvert(loc, getIoMsg.getType().getInput(2),
fir::getLen(ioMsgVar))});
}
mlir::FuncOp endIoStatement =
getIORuntimeFunc<mkIOKey(EndIoStatement)>(loc, builder);
auto call = builder.create<fir::CallOp>(loc, endIoStatement,
mlir::ValueRange{cookie});
if (csi.ioStatExpr) {
mlir::Value ioStatVar =
fir::getBase(converter.genExprAddr(csi.ioStatExpr, stmtCtx, loc));
mlir::Value ioStatResult = builder.createConvert(
loc, converter.genType(*csi.ioStatExpr), call.getResult(0));
builder.create<fir::StoreOp>(loc, ioStatResult, ioStatVar);
}
return csi.hasTransferConditionSpec() ? call.getResult(0) : mlir::Value{};
}
/// Make the next call in the IO statement conditional on runtime result `ok`.
/// If a call returns `ok==false`, further suboperation calls for an IO
/// statement will be skipped. This may generate branch heavy, deeply nested
/// conditionals for IO statements with a large number of suboperations.
static void makeNextConditionalOn(fir::FirOpBuilder &builder,
mlir::Location loc, bool checkResult,
mlir::Value ok, bool inLoop = false) {
if (!checkResult || !ok)
// Either no IO calls need to be checked, or this will be the first call.
return;
// A previous IO call for a statement returned the bool `ok`. If this call
// is in a fir.iterate_while loop, the result must be propagated up to the
// loop scope as an extra ifOp result. (The propagation is done in genIoLoop.)
mlir::TypeRange resTy;
if (inLoop)
resTy = builder.getI1Type();
auto ifOp = builder.create<fir::IfOp>(loc, resTy, ok,
/*withElseRegion=*/inLoop);
builder.setInsertionPointToStart(&ifOp.getThenRegion().front());
}
/// Retrieve or generate a runtime description of NAMELIST group `symbol`.
/// The form of the description is defined in runtime header file namelist.h.
/// Static descriptors are generated for global objects; local descriptors for
/// local objects. If all descriptors are static, the NamelistGroup is static.
static mlir::Value
getNamelistGroup(Fortran::lower::AbstractConverter &converter,
const Fortran::semantics::Symbol &symbol,
Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::Location loc = converter.getCurrentLocation();
std::string groupMangleName = converter.mangleName(symbol);
if (auto group = builder.getNamedGlobal(groupMangleName))
return builder.create<fir::AddrOfOp>(loc, group.resultType(),
group.getSymbol());
const auto &details =
symbol.GetUltimate().get<Fortran::semantics::NamelistDetails>();
mlir::MLIRContext *context = builder.getContext();
mlir::StringAttr linkOnce = builder.createLinkOnceLinkage();
mlir::IndexType idxTy = builder.getIndexType();
mlir::IntegerType sizeTy = builder.getIntegerType(8 * sizeof(std::size_t));
fir::ReferenceType charRefTy =
fir::ReferenceType::get(builder.getIntegerType(8));
fir::ReferenceType descRefTy =
fir::ReferenceType::get(fir::BoxType::get(mlir::NoneType::get(context)));
fir::SequenceType listTy = fir::SequenceType::get(
details.objects().size(),
mlir::TupleType::get(context, {charRefTy, descRefTy}));
mlir::TupleType groupTy = mlir::TupleType::get(
context, {charRefTy, sizeTy, fir::ReferenceType::get(listTy)});
auto stringAddress = [&](const Fortran::semantics::Symbol &symbol) {
return fir::factory::createStringLiteral(builder, loc,
symbol.name().ToString() + '\0');
};
// Define object names, and static descriptors for global objects.
bool groupIsLocal = false;
stringAddress(symbol);
for (const Fortran::semantics::Symbol &s : details.objects()) {
stringAddress(s);
if (!Fortran::lower::symbolIsGlobal(s)) {
groupIsLocal = true;
continue;
}
// We know we have a global item. It it's not a pointer or allocatable,
// create a static pointer to it.
if (!IsAllocatableOrPointer(s)) {
std::string mangleName = converter.mangleName(s) + ".desc";
if (builder.getNamedGlobal(mangleName))
continue;
const auto expr = Fortran::evaluate::AsGenericExpr(s);
fir::BoxType boxTy =
fir::BoxType::get(fir::PointerType::get(converter.genType(s)));
auto descFunc = [&](fir::FirOpBuilder &b) {
auto box =
Fortran::lower::genInitialDataTarget(converter, loc, boxTy, *expr);
b.create<fir::HasValueOp>(loc, box);
};
builder.createGlobalConstant(loc, boxTy, mangleName, descFunc, linkOnce);
}
}
// Define the list of Items.
mlir::Value listAddr =
groupIsLocal ? builder.create<fir::AllocaOp>(loc, listTy) : mlir::Value{};
std::string listMangleName = groupMangleName + ".list";
auto listFunc = [&](fir::FirOpBuilder &builder) {
mlir::Value list = builder.create<fir::UndefOp>(loc, listTy);
mlir::IntegerAttr zero = builder.getIntegerAttr(idxTy, 0);
mlir::IntegerAttr one = builder.getIntegerAttr(idxTy, 1);
llvm::SmallVector<mlir::Attribute, 2> idx = {mlir::Attribute{},
mlir::Attribute{}};
size_t n = 0;
for (const Fortran::semantics::Symbol &s : details.objects()) {
idx[0] = builder.getIntegerAttr(idxTy, n);
idx[1] = zero;
mlir::Value nameAddr =
builder.createConvert(loc, charRefTy, fir::getBase(stringAddress(s)));
list = builder.create<fir::InsertValueOp>(loc, listTy, list, nameAddr,
builder.getArrayAttr(idx));
idx[1] = one;
mlir::Value descAddr;
// Items that we created end in ".desc".
std::string suffix = IsAllocatableOrPointer(s) ? "" : ".desc";
if (auto desc =
builder.getNamedGlobal(converter.mangleName(s) + suffix)) {
descAddr = builder.create<fir::AddrOfOp>(loc, desc.resultType(),
desc.getSymbol());
} else {
const auto expr = Fortran::evaluate::AsGenericExpr(s);
fir::ExtendedValue exv = converter.genExprAddr(*expr, stmtCtx);
mlir::Type type = fir::getBase(exv).getType();
if (mlir::Type baseTy = fir::dyn_cast_ptrOrBoxEleTy(type))
type = baseTy;
fir::BoxType boxType = fir::BoxType::get(fir::PointerType::get(type));
descAddr = builder.createTemporary(loc, boxType);
fir::MutableBoxValue box = fir::MutableBoxValue(descAddr, {}, {});
fir::factory::associateMutableBox(builder, loc, box, exv,
/*lbounds=*/llvm::None);
}
descAddr = builder.createConvert(loc, descRefTy, descAddr);
list = builder.create<fir::InsertValueOp>(loc, listTy, list, descAddr,
builder.getArrayAttr(idx));
++n;
}
if (groupIsLocal)
builder.create<fir::StoreOp>(loc, list, listAddr);
else
builder.create<fir::HasValueOp>(loc, list);
};
if (groupIsLocal)
listFunc(builder);
else
builder.createGlobalConstant(loc, listTy, listMangleName, listFunc,
linkOnce);
// Define the group.
mlir::Value groupAddr = groupIsLocal
? builder.create<fir::AllocaOp>(loc, groupTy)
: mlir::Value{};
auto groupFunc = [&](fir::FirOpBuilder &builder) {
mlir::IntegerAttr zero = builder.getIntegerAttr(idxTy, 0);
mlir::IntegerAttr one = builder.getIntegerAttr(idxTy, 1);
mlir::IntegerAttr two = builder.getIntegerAttr(idxTy, 2);
mlir::Value group = builder.create<fir::UndefOp>(loc, groupTy);
mlir::Value nameAddr = builder.createConvert(
loc, charRefTy, fir::getBase(stringAddress(symbol)));
group = builder.create<fir::InsertValueOp>(loc, groupTy, group, nameAddr,
builder.getArrayAttr(zero));
mlir::Value itemCount =
builder.createIntegerConstant(loc, sizeTy, details.objects().size());
group = builder.create<fir::InsertValueOp>(loc, groupTy, group, itemCount,
builder.getArrayAttr(one));
if (fir::GlobalOp list = builder.getNamedGlobal(listMangleName))
listAddr = builder.create<fir::AddrOfOp>(loc, list.resultType(),
list.getSymbol());
assert(listAddr && "missing namelist object list");
group = builder.create<fir::InsertValueOp>(loc, groupTy, group, listAddr,
builder.getArrayAttr(two));
if (groupIsLocal)
builder.create<fir::StoreOp>(loc, group, groupAddr);
else
builder.create<fir::HasValueOp>(loc, group);
};
if (groupIsLocal) {
groupFunc(builder);
} else {
fir::GlobalOp group =
builder.createGlobal(loc, groupTy, groupMangleName,
/*isConst=*/true, groupFunc, linkOnce);
groupAddr = builder.create<fir::AddrOfOp>(loc, group.resultType(),
group.getSymbol());
}
assert(groupAddr && "missing namelist group result");
return groupAddr;
}
/// Generate a namelist IO call.
static void genNamelistIO(Fortran::lower::AbstractConverter &converter,
mlir::Value cookie, mlir::FuncOp funcOp,
Fortran::semantics::Symbol &symbol, bool checkResult,
mlir::Value &ok,
Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::Location loc = converter.getCurrentLocation();
makeNextConditionalOn(builder, loc, checkResult, ok);
mlir::Type argType = funcOp.getType().getInput(1);
mlir::Value groupAddr = getNamelistGroup(converter, symbol, stmtCtx);
groupAddr = builder.createConvert(loc, argType, groupAddr);
llvm::SmallVector<mlir::Value> args = {cookie, groupAddr};
ok = builder.create<fir::CallOp>(loc, funcOp, args).getResult(0);
}
/// Get the output function to call for a value of the given type.
static mlir::FuncOp getOutputFunc(mlir::Location loc,
fir::FirOpBuilder &builder, mlir::Type type,
bool isFormatted) {
if (!isFormatted)
return getIORuntimeFunc<mkIOKey(OutputDescriptor)>(loc, builder);
if (auto ty = type.dyn_cast<mlir::IntegerType>()) {
switch (ty.getWidth()) {
case 1:
return getIORuntimeFunc<mkIOKey(OutputLogical)>(loc, builder);
case 8:
return getIORuntimeFunc<mkIOKey(OutputInteger8)>(loc, builder);
case 16:
return getIORuntimeFunc<mkIOKey(OutputInteger16)>(loc, builder);
case 32:
return getIORuntimeFunc<mkIOKey(OutputInteger32)>(loc, builder);
case 64:
return getIORuntimeFunc<mkIOKey(OutputInteger64)>(loc, builder);
#ifdef __SIZEOF_INT128__
case 128:
return getIORuntimeFunc<mkIOKey(OutputInteger128)>(loc, builder);
#endif
}
llvm_unreachable("unknown OutputInteger kind");
}
if (auto ty = type.dyn_cast<mlir::FloatType>()) {
if (auto width = ty.getWidth(); width == 32)
return getIORuntimeFunc<mkIOKey(OutputReal32)>(loc, builder);
else if (width == 64)
return getIORuntimeFunc<mkIOKey(OutputReal64)>(loc, builder);
}
auto kindMap = fir::getKindMapping(builder.getModule());
if (auto ty = type.dyn_cast<fir::ComplexType>()) {
// COMPLEX(KIND=k) corresponds to a pair of REAL(KIND=k).
auto width = kindMap.getRealBitsize(ty.getFKind());
if (width == 32)
return getIORuntimeFunc<mkIOKey(OutputComplex32)>(loc, builder);
else if (width == 64)
return getIORuntimeFunc<mkIOKey(OutputComplex64)>(loc, builder);
}
if (type.isa<fir::LogicalType>())
return getIORuntimeFunc<mkIOKey(OutputLogical)>(loc, builder);
if (fir::factory::CharacterExprHelper::isCharacterScalar(type)) {
// TODO: What would it mean if the default CHARACTER KIND is set to a wide
// character encoding scheme? How do we handle UTF-8? Is it a distinct KIND
// value? For now, assume that if the default CHARACTER KIND is 8 bit,
// then it is an ASCII string and UTF-8 is unsupported.
auto asciiKind = kindMap.defaultCharacterKind();
if (kindMap.getCharacterBitsize(asciiKind) == 8 &&
fir::factory::CharacterExprHelper::getCharacterKind(type) == asciiKind)
return getIORuntimeFunc<mkIOKey(OutputAscii)>(loc, builder);
}
return getIORuntimeFunc<mkIOKey(OutputDescriptor)>(loc, builder);
}
/// Generate a sequence of output data transfer calls.
static void
genOutputItemList(Fortran::lower::AbstractConverter &converter,
mlir::Value cookie,
const std::list<Fortran::parser::OutputItem> &items,
bool isFormatted, bool checkResult, mlir::Value &ok,
bool inLoop, Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
for (const Fortran::parser::OutputItem &item : items) {
if (const auto &impliedDo = std::get_if<1>(&item.u)) {
genIoLoop(converter, cookie, impliedDo->value(), isFormatted, checkResult,
ok, inLoop, stmtCtx);
continue;
}
auto &pExpr = std::get<Fortran::parser::Expr>(item.u);
mlir::Location loc = converter.genLocation(pExpr.source);
makeNextConditionalOn(builder, loc, checkResult, ok, inLoop);
const auto *expr = Fortran::semantics::GetExpr(pExpr);
if (!expr)
fir::emitFatalError(loc, "internal error: could not get evaluate::Expr");
mlir::Type itemTy = converter.genType(*expr);
mlir::FuncOp outputFunc = getOutputFunc(loc, builder, itemTy, isFormatted);
mlir::Type argType = outputFunc.getType().getInput(1);
assert((isFormatted || argType.isa<fir::BoxType>()) &&
"expect descriptor for unformatted IO runtime");
llvm::SmallVector<mlir::Value> outputFuncArgs = {cookie};
fir::factory::CharacterExprHelper helper{builder, loc};
if (argType.isa<fir::BoxType>()) {
mlir::Value box = fir::getBase(converter.genExprBox(*expr, stmtCtx, loc));
outputFuncArgs.push_back(builder.createConvert(loc, argType, box));
} else if (helper.isCharacterScalar(itemTy)) {
fir::ExtendedValue exv = converter.genExprAddr(expr, stmtCtx, loc);
// scalar allocatable/pointer may also get here, not clear if
// genExprAddr will lower them as CharBoxValue or BoxValue.
if (!exv.getCharBox())
llvm::report_fatal_error(
"internal error: scalar character not in CharBox");
outputFuncArgs.push_back(builder.createConvert(
loc, outputFunc.getType().getInput(1), fir::getBase(exv)));
outputFuncArgs.push_back(builder.createConvert(
loc, outputFunc.getType().getInput(2), fir::getLen(exv)));
} else {
fir::ExtendedValue itemBox = converter.genExprValue(expr, stmtCtx, loc);
mlir::Value itemValue = fir::getBase(itemBox);
if (fir::isa_complex(itemTy)) {
auto parts =
fir::factory::Complex{builder, loc}.extractParts(itemValue);
outputFuncArgs.push_back(parts.first);
outputFuncArgs.push_back(parts.second);
} else {
itemValue = builder.createConvert(loc, argType, itemValue);
outputFuncArgs.push_back(itemValue);
}
}
ok = builder.create<fir::CallOp>(loc, outputFunc, outputFuncArgs)
.getResult(0);
}
}
/// Get the input function to call for a value of the given type.
static mlir::FuncOp getInputFunc(mlir::Location loc, fir::FirOpBuilder &builder,
mlir::Type type, bool isFormatted) {
if (!isFormatted)
return getIORuntimeFunc<mkIOKey(InputDescriptor)>(loc, builder);
if (auto ty = type.dyn_cast<mlir::IntegerType>())
return ty.getWidth() == 1
? getIORuntimeFunc<mkIOKey(InputLogical)>(loc, builder)
: getIORuntimeFunc<mkIOKey(InputInteger)>(loc, builder);
if (auto ty = type.dyn_cast<mlir::FloatType>()) {
if (auto width = ty.getWidth(); width <= 32)
return getIORuntimeFunc<mkIOKey(InputReal32)>(loc, builder);
else if (width <= 64)
return getIORuntimeFunc<mkIOKey(InputReal64)>(loc, builder);
}
auto kindMap = fir::getKindMapping(builder.getModule());
if (auto ty = type.dyn_cast<fir::ComplexType>()) {
auto width = kindMap.getRealBitsize(ty.getFKind());
if (width <= 32)
return getIORuntimeFunc<mkIOKey(InputComplex32)>(loc, builder);
else if (width <= 64)
return getIORuntimeFunc<mkIOKey(InputComplex64)>(loc, builder);
}
if (type.isa<fir::LogicalType>())
return getIORuntimeFunc<mkIOKey(InputLogical)>(loc, builder);
if (fir::factory::CharacterExprHelper::isCharacterScalar(type)) {
auto asciiKind = kindMap.defaultCharacterKind();
if (kindMap.getCharacterBitsize(asciiKind) == 8 &&
fir::factory::CharacterExprHelper::getCharacterKind(type) == asciiKind)
return getIORuntimeFunc<mkIOKey(InputAscii)>(loc, builder);
}
return getIORuntimeFunc<mkIOKey(InputDescriptor)>(loc, builder);
}
/// Interpret the lowest byte of a LOGICAL and store that value into the full
/// storage of the LOGICAL. The load, convert, and store effectively (sign or
/// zero) extends the lowest byte into the full LOGICAL value storage, as the
/// runtime is unaware of the LOGICAL value's actual bit width (it was passed
/// as a `bool&` to the runtime in order to be set).
static void boolRefToLogical(mlir::Location loc, fir::FirOpBuilder &builder,
mlir::Value addr) {
auto boolType = builder.getRefType(builder.getI1Type());
auto boolAddr = builder.createConvert(loc, boolType, addr);
auto boolValue = builder.create<fir::LoadOp>(loc, boolAddr);
auto logicalType = fir::unwrapPassByRefType(addr.getType());
// The convert avoid making any assumptions about how LOGICALs are actually
// represented (it might end-up being either a signed or zero extension).
auto logicalValue = builder.createConvert(loc, logicalType, boolValue);
builder.create<fir::StoreOp>(loc, logicalValue, addr);
}
static mlir::Value createIoRuntimeCallForItem(mlir::Location loc,
fir::FirOpBuilder &builder,
mlir::FuncOp inputFunc,
mlir::Value cookie,
const fir::ExtendedValue &item) {
mlir::Type argType = inputFunc.getType().getInput(1);
llvm::SmallVector<mlir::Value> inputFuncArgs = {cookie};
if (argType.isa<fir::BoxType>()) {
mlir::Value box = fir::getBase(item);
assert(box.getType().isa<fir::BoxType>() && "must be previously emboxed");
inputFuncArgs.push_back(builder.createConvert(loc, argType, box));
} else {
mlir::Value itemAddr = fir::getBase(item);
mlir::Type itemTy = fir::unwrapPassByRefType(itemAddr.getType());
inputFuncArgs.push_back(builder.createConvert(loc, argType, itemAddr));
fir::factory::CharacterExprHelper charHelper{builder, loc};
if (charHelper.isCharacterScalar(itemTy)) {
mlir::Value len = fir::getLen(item);
inputFuncArgs.push_back(
builder.createConvert(loc, inputFunc.getType().getInput(2), len));
} else if (itemTy.isa<mlir::IntegerType>()) {
inputFuncArgs.push_back(builder.create<mlir::arith::ConstantOp>(
loc, builder.getI32IntegerAttr(
itemTy.cast<mlir::IntegerType>().getWidth() / 8)));
}
}
auto call = builder.create<fir::CallOp>(loc, inputFunc, inputFuncArgs);
auto itemAddr = fir::getBase(item);
auto itemTy = fir::unwrapRefType(itemAddr.getType());
if (itemTy.isa<fir::LogicalType>())
boolRefToLogical(loc, builder, itemAddr);
return call.getResult(0);
}
/// Generate a sequence of input data transfer calls.
static void genInputItemList(Fortran::lower::AbstractConverter &converter,
mlir::Value cookie,
const std::list<Fortran::parser::InputItem> &items,
bool isFormatted, bool checkResult,
mlir::Value &ok, bool inLoop,
Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
for (const Fortran::parser::InputItem &item : items) {
if (const auto &impliedDo = std::get_if<1>(&item.u)) {
genIoLoop(converter, cookie, impliedDo->value(), isFormatted, checkResult,
ok, inLoop, stmtCtx);
continue;
}
auto &pVar = std::get<Fortran::parser::Variable>(item.u);
mlir::Location loc = converter.genLocation(pVar.GetSource());
makeNextConditionalOn(builder, loc, checkResult, ok, inLoop);
const auto *expr = Fortran::semantics::GetExpr(pVar);
if (!expr)
fir::emitFatalError(loc, "internal error: could not get evaluate::Expr");
if (Fortran::evaluate::HasVectorSubscript(*expr)) {
auto vectorSubscriptBox =
Fortran::lower::genVectorSubscriptBox(loc, converter, stmtCtx, *expr);
mlir::FuncOp inputFunc = getInputFunc(
loc, builder, vectorSubscriptBox.getElementType(), isFormatted);
const bool mustBox = inputFunc.getType().getInput(1).isa<fir::BoxType>();
if (!checkResult) {
auto elementalGenerator = [&](const fir::ExtendedValue &element) {
createIoRuntimeCallForItem(loc, builder, inputFunc, cookie,
mustBox ? builder.createBox(loc, element)
: element);
};
vectorSubscriptBox.loopOverElements(builder, loc, elementalGenerator);
} else {
auto elementalGenerator =
[&](const fir::ExtendedValue &element) -> mlir::Value {
return createIoRuntimeCallForItem(
loc, builder, inputFunc, cookie,
mustBox ? builder.createBox(loc, element) : element);
};
if (!ok)
ok = builder.createBool(loc, true);
ok = vectorSubscriptBox.loopOverElementsWhile(builder, loc,
elementalGenerator, ok);
}
continue;
}
mlir::Type itemTy = converter.genType(*expr);
mlir::FuncOp inputFunc = getInputFunc(loc, builder, itemTy, isFormatted);
auto itemExv = inputFunc.getType().getInput(1).isa<fir::BoxType>()
? converter.genExprBox(*expr, stmtCtx, loc)
: converter.genExprAddr(expr, stmtCtx, loc);
ok = createIoRuntimeCallForItem(loc, builder, inputFunc, cookie, itemExv);
}
}
/// Generate an io-implied-do loop.
template <typename D>
static void genIoLoop(Fortran::lower::AbstractConverter &converter,
mlir::Value cookie, const D &ioImpliedDo,
bool isFormatted, bool checkResult, mlir::Value &ok,
bool inLoop, Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::Location loc = converter.getCurrentLocation();
makeNextConditionalOn(builder, loc, checkResult, ok, inLoop);
const auto &itemList = std::get<0>(ioImpliedDo.t);
const auto &control = std::get<1>(ioImpliedDo.t);
const auto &loopSym = *control.name.thing.thing.symbol;
mlir::Value loopVar = converter.getSymbolAddress(loopSym);
auto genControlValue = [&](const Fortran::parser::ScalarIntExpr &expr) {
mlir::Value v = fir::getBase(
converter.genExprValue(*Fortran::semantics::GetExpr(expr), stmtCtx));
return builder.createConvert(loc, builder.getIndexType(), v);
};
mlir::Value lowerValue = genControlValue(control.lower);
mlir::Value upperValue = genControlValue(control.upper);
mlir::Value stepValue =
control.step.has_value()
? genControlValue(*control.step)
: builder.create<mlir::arith::ConstantIndexOp>(loc, 1);
auto genItemList = [&](const D &ioImpliedDo) {
Fortran::lower::StatementContext loopCtx;
if constexpr (std::is_same_v<D, Fortran::parser::InputImpliedDo>)
genInputItemList(converter, cookie, itemList, isFormatted, checkResult,
ok, /*inLoop=*/true, loopCtx);
else
genOutputItemList(converter, cookie, itemList, isFormatted, checkResult,
ok, /*inLoop=*/true, loopCtx);
};
if (!checkResult) {
// No IO call result checks - the loop is a fir.do_loop op.
auto doLoopOp = builder.create<fir::DoLoopOp>(
loc, lowerValue, upperValue, stepValue, /*unordered=*/false,
/*finalCountValue=*/true);
builder.setInsertionPointToStart(doLoopOp.getBody());
mlir::Value lcv = builder.createConvert(loc, converter.genType(loopSym),
doLoopOp.getInductionVar());
builder.create<fir::StoreOp>(loc, lcv, loopVar);
genItemList(ioImpliedDo);
builder.setInsertionPointToEnd(doLoopOp.getBody());
mlir::Value result = builder.create<mlir::arith::AddIOp>(
loc, doLoopOp.getInductionVar(), doLoopOp.getStep());
builder.create<fir::ResultOp>(loc, result);
builder.setInsertionPointAfter(doLoopOp);
// The loop control variable may be used after the loop.
lcv = builder.createConvert(loc, converter.genType(loopSym),
doLoopOp.getResult(0));
builder.create<fir::StoreOp>(loc, lcv, loopVar);
return;
}
// Check IO call results - the loop is a fir.iterate_while op.
if (!ok)
ok = builder.createBool(loc, true);
auto iterWhileOp = builder.create<fir::IterWhileOp>(
loc, lowerValue, upperValue, stepValue, ok, /*finalCountValue*/ true);
builder.setInsertionPointToStart(iterWhileOp.getBody());
mlir::Value lcv = builder.createConvert(loc, converter.genType(loopSym),
iterWhileOp.getInductionVar());
builder.create<fir::StoreOp>(loc, lcv, loopVar);
ok = iterWhileOp.getIterateVar();
mlir::Value falseValue =
builder.createIntegerConstant(loc, builder.getI1Type(), 0);
genItemList(ioImpliedDo);
// Unwind nested IO call scopes, filling in true and false ResultOp's.
for (mlir::Operation *op = builder.getBlock()->getParentOp();
mlir::isa<fir::IfOp>(op); op = op->getBlock()->getParentOp()) {
auto ifOp = mlir::dyn_cast<fir::IfOp>(op);
mlir::Operation *lastOp = &ifOp.getThenRegion().front().back();
builder.setInsertionPointAfter(lastOp);
// The primary ifOp result is the result of an IO call or loop.
if (mlir::isa<fir::CallOp, fir::IfOp>(*lastOp))
builder.create<fir::ResultOp>(loc, lastOp->getResult(0));
else
builder.create<fir::ResultOp>(loc, ok); // loop result
// The else branch propagates an early exit false result.
builder.setInsertionPointToStart(&ifOp.getElseRegion().front());
builder.create<fir::ResultOp>(loc, falseValue);
}
builder.setInsertionPointToEnd(iterWhileOp.getBody());
mlir::OpResult iterateResult = builder.getBlock()->back().getResult(0);
mlir::Value inductionResult0 = iterWhileOp.getInductionVar();
auto inductionResult1 = builder.create<mlir::arith::AddIOp>(
loc, inductionResult0, iterWhileOp.getStep());
auto inductionResult = builder.create<mlir::arith::SelectOp>(
loc, iterateResult, inductionResult1, inductionResult0);
llvm::SmallVector<mlir::Value> results = {inductionResult, iterateResult};
builder.create<fir::ResultOp>(loc, results);
ok = iterWhileOp.getResult(1);
builder.setInsertionPointAfter(iterWhileOp);
// The loop control variable may be used after the loop.
lcv = builder.createConvert(loc, converter.genType(loopSym),
iterWhileOp.getResult(0));
builder.create<fir::StoreOp>(loc, lcv, loopVar);
}
//===----------------------------------------------------------------------===//
// Default argument generation.
//===----------------------------------------------------------------------===//
static mlir::Value locToFilename(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Type toType) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
return builder.createConvert(loc, toType,
fir::factory::locationToFilename(builder, loc));
}
static mlir::Value locToLineNo(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Type toType) {
return fir::factory::locationToLineNo(converter.getFirOpBuilder(), loc,
toType);
}
static mlir::Value getDefaultScratch(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Type toType) {
mlir::Value null = builder.create<mlir::arith::ConstantOp>(
loc, builder.getI64IntegerAttr(0));
return builder.createConvert(loc, toType, null);
}
static mlir::Value getDefaultScratchLen(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Type toType) {
return builder.create<mlir::arith::ConstantOp>(
loc, builder.getIntegerAttr(toType, 0));
}
/// Generate a reference to a buffer and the length of buffer given
/// a character expression. An array expression will be cast to scalar
/// character as long as they are contiguous.
static std::tuple<mlir::Value, mlir::Value>
genBuffer(Fortran::lower::AbstractConverter &converter, mlir::Location loc,
const Fortran::lower::SomeExpr &expr, mlir::Type strTy,
mlir::Type lenTy, Fortran::lower::StatementContext &stmtCtx) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
fir::ExtendedValue exprAddr = converter.genExprAddr(expr, stmtCtx);
fir::factory::CharacterExprHelper helper(builder, loc);
using ValuePair = std::pair<mlir::Value, mlir::Value>;
auto [buff, len] = exprAddr.match(
[&](const fir::CharBoxValue &x) -> ValuePair {
return {x.getBuffer(), x.getLen()};
},
[&](const fir::CharArrayBoxValue &x) -> ValuePair {
fir::CharBoxValue scalar = helper.toScalarCharacter(x);
return {scalar.getBuffer(), scalar.getLen()};
},
[&](const fir::BoxValue &) -> ValuePair {
// May need to copy before after IO to handle contiguous
// aspect. Not sure descriptor can get here though.
TODO(loc, "character descriptor to contiguous buffer");
},
[&](const auto &) -> ValuePair {
llvm::report_fatal_error(
"internal error: IO buffer is not a character");
});
buff = builder.createConvert(loc, strTy, buff);
len = builder.createConvert(loc, lenTy, len);
return {buff, len};
}
/// Lower a string literal. Many arguments to the runtime are conveyed as
/// Fortran CHARACTER literals.
template <typename A>
static std::tuple<mlir::Value, mlir::Value, mlir::Value>
lowerStringLit(Fortran::lower::AbstractConverter &converter, mlir::Location loc,
Fortran::lower::StatementContext &stmtCtx, const A &syntax,
mlir::Type strTy, mlir::Type lenTy, mlir::Type ty2 = {}) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
auto *expr = Fortran::semantics::GetExpr(syntax);
if (!expr)
fir::emitFatalError(loc, "internal error: null semantic expr in IO");
auto [buff, len] = genBuffer(converter, loc, *expr, strTy, lenTy, stmtCtx);
mlir::Value kind;
if (ty2) {
auto kindVal = expr->GetType().value().kind();
kind = builder.create<mlir::arith::ConstantOp>(
loc, builder.getIntegerAttr(ty2, kindVal));
}
return {buff, len, kind};
}
/// Pass the body of the FORMAT statement in as if it were a CHARACTER literal
/// constant. NB: This is the prescribed manner in which the front-end passes
/// this information to lowering.
static std::tuple<mlir::Value, mlir::Value, mlir::Value>
lowerSourceTextAsStringLit(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, llvm::StringRef text,
mlir::Type strTy, mlir::Type lenTy) {
text = text.drop_front(text.find('('));
text = text.take_front(text.rfind(')') + 1);
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::Value addrGlobalStringLit =
fir::getBase(fir::factory::createStringLiteral(builder, loc, text));
mlir::Value buff = builder.createConvert(loc, strTy, addrGlobalStringLit);
mlir::Value len = builder.createIntegerConstant(loc, lenTy, text.size());
return {buff, len, mlir::Value{}};
}
//===----------------------------------------------------------------------===//
// Handle IO statement specifiers.
// These are threaded together for a single statement via the passed cookie.
//===----------------------------------------------------------------------===//
/// Generic to build an integral argument to the runtime.
template <typename A, typename B>
mlir::Value genIntIOOption(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Value cookie,
const B &spec) {
Fortran::lower::StatementContext localStatementCtx;
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::FuncOp ioFunc = getIORuntimeFunc<A>(loc, builder);
mlir::FunctionType ioFuncTy = ioFunc.getType();
mlir::Value expr = fir::getBase(converter.genExprValue(
Fortran::semantics::GetExpr(spec.v), localStatementCtx, loc));
mlir::Value val = builder.createConvert(loc, ioFuncTy.getInput(1), expr);
llvm::SmallVector<mlir::Value> ioArgs = {cookie, val};
return builder.create<fir::CallOp>(loc, ioFunc, ioArgs).getResult(0);
}
/// Generic to build a string argument to the runtime. This passes a CHARACTER
/// as a pointer to the buffer and a LEN parameter.
template <typename A, typename B>
mlir::Value genCharIOOption(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Value cookie,
const B &spec) {
Fortran::lower::StatementContext localStatementCtx;
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::FuncOp ioFunc = getIORuntimeFunc<A>(loc, builder);
mlir::FunctionType ioFuncTy = ioFunc.getType();
std::tuple<mlir::Value, mlir::Value, mlir::Value> tup =
lowerStringLit(converter, loc, localStatementCtx, spec,
ioFuncTy.getInput(1), ioFuncTy.getInput(2));
llvm::SmallVector<mlir::Value> ioArgs = {cookie, std::get<0>(tup),
std::get<1>(tup)};
return builder.create<fir::CallOp>(loc, ioFunc, ioArgs).getResult(0);
}
template <typename A>
mlir::Value genIOOption(Fortran::lower::AbstractConverter &converter,
mlir::Location loc, mlir::Value cookie, const A &spec) {
// These specifiers are processed in advance elsewhere - skip them here.
using PreprocessedSpecs =
std::tuple<Fortran::parser::EndLabel, Fortran::parser::EorLabel,
Fortran::parser::ErrLabel, Fortran::parser::FileUnitNumber,
Fortran::parser::Format, Fortran::parser::IoUnit,
Fortran::parser::MsgVariable, Fortran::parser::Name,
Fortran::parser::StatVariable>;
static_assert(Fortran::common::HasMember<A, PreprocessedSpecs>,
"missing genIOOPtion specialization");
return {};
}
template <>
mlir::Value genIOOption<Fortran::parser::FileNameExpr>(
Fortran::lower::AbstractConverter &converter, mlir::Location loc,
mlir::Value cookie, const Fortran::parser::FileNameExpr &spec) {
Fortran::lower::StatementContext localStatementCtx;
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
// has an extra KIND argument
mlir::FuncOp ioFunc = getIORuntimeFunc<mkIOKey(SetFile)>(loc, builder);
mlir::FunctionType ioFuncTy = ioFunc.getType();
std::tuple<mlir::Value, mlir::Value, mlir::Value> tup =
lowerStringLit(converter, loc, localStatementCtx, spec,
ioFuncTy.getInput(1), ioFuncTy.getInput(2));
llvm::SmallVector<mlir::Value> ioArgs{cookie, std::get<0>(tup),
std::get<1>(tup)};
return builder.create<fir::CallOp>(loc, ioFunc, ioArgs).getResult(0);
}
template <>
mlir::Value genIOOption<Fortran::parser::ConnectSpec::CharExpr>(
Fortran::lower::AbstractConverter &converter, mlir::Location loc,
mlir::Value cookie, const Fortran::parser::ConnectSpec::CharExpr &spec) {
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
mlir::FuncOp ioFunc;
switch (std::get<Fortran::parser::ConnectSpec::CharExpr::Kind>(spec.t)) {
case Fortran::parser::ConnectSpec::CharExpr::Kind::Access:
ioFunc = getIORuntimeFunc<mkIOKey(SetAccess)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Action:
ioFunc = getIORuntimeFunc<mkIOKey(SetAction)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Asynchronous:
ioFunc = getIORuntimeFunc<mkIOKey(SetAsynchronous)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Blank:
ioFunc = getIORuntimeFunc<mkIOKey(SetBlank)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Decimal:
ioFunc = getIORuntimeFunc<mkIOKey(SetDecimal)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Delim:
ioFunc = getIORuntimeFunc<mkIOKey(SetDelim)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Encoding:
ioFunc = getIORuntimeFunc<mkIOKey(SetEncoding)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Form:
ioFunc = getIORuntimeFunc<mkIOKey(SetForm)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Pad:
ioFunc = getIORuntimeFunc<mkIOKey(SetPad)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Position:
ioFunc = getIORuntimeFunc<mkIOKey(SetPosition)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Round:
ioFunc = getIORuntimeFunc<mkIOKey(SetRound)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Sign:
ioFunc = getIORuntimeFunc<mkIOKey(SetSign)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Carriagecontrol:
ioFunc = getIORuntimeFunc<mkIOKey(SetCarriagecontrol)>(loc, builder);
break;
case Fortran::parser::ConnectSpec::CharExpr::Kind::Convert:
TODO(loc, "CONVERT not part of the runtime::io interface");
case Fortran::parser::ConnectSpec::CharExpr::Kind::Dispose:
TODO(loc, "DISPOSE not part of the runtime::io interface");
}
Fortran::lower::StatementContext localStatementCtx;
mlir::FunctionType ioFuncTy = ioFunc.getType();
std::tuple<mlir::Value, mlir::Value, mlir::Value> tup =
lowerStringLit(converter, loc, localStatementCtx,
std::get<Fortran::parser::ScalarDefaultCharExpr>(spec.t),
ioFuncTy.getInput(1), ioFuncTy.getInput(2));
llvm::SmallVector<mlir::Value> ioArgs = {cookie, std::get<0>(tup),
std::get<1>(tup)};
return builder.create<fir::CallOp>(loc, ioFunc, ioArgs).getResult(0);
}
template <>
mlir::Value genIOOption<Fortran::parser::ConnectSpec::Recl>(
Fortran::lower::AbstractConverter &converter, mlir::Location loc,
mlir::Value cookie, const Fortran::parser::ConnectSpec::Recl &spec) {
return genIntIOOption<mkIOKey(SetRecl)>(converter, loc, cookie, spec);
}