//===-- Intrinsics.cpp ----------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "flang/Optimizer/Builder/Runtime/Intrinsics.h"
#include "flang/Optimizer/Builder/BoxValue.h"
#include "flang/Optimizer/Builder/FIRBuilder.h"
#include "flang/Optimizer/Builder/Runtime/RTBuilder.h"
#include "flang/Optimizer/Dialect/FIROpsSupport.h"
#include "flang/Parser/parse-tree.h"
#include "flang/Runtime/extensions.h"
#include "flang/Runtime/misc-intrinsic.h"
#include "flang/Runtime/pointer.h"
#include "flang/Runtime/random.h"
#include "flang/Runtime/stop.h"
#include "flang/Runtime/time-intrinsic.h"
#include "flang/Semantics/tools.h"
#include "llvm/Support/Debug.h"
#include <optional>
#include <signal.h>
#define DEBUG_TYPE "flang-lower-runtime"
using namespace Fortran::runtime;
namespace {
/// Placeholder for real*16 version of RandomNumber Intrinsic
struct ForcedRandomNumberReal16 {
static constexpr const char *name = ExpandAndQuoteKey(RTNAME(RandomNumber16));
static constexpr fir::runtime::FuncTypeBuilderFunc getTypeModel() {
return [](mlir::MLIRContext *ctx) {
auto boxTy =
fir::runtime::getModel<const Fortran::runtime::Descriptor &>()(ctx);
auto strTy = fir::runtime::getModel<const char *>()(ctx);
auto intTy = fir::runtime::getModel<int>()(ctx);
;
return mlir::FunctionType::get(ctx, {boxTy, strTy, intTy},
mlir::NoneType::get(ctx));
};
}
};
} // namespace
mlir::Value fir::runtime::genAssociated(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value pointer,
mlir::Value target) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(PointerIsAssociatedWith)>(loc,
builder);
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, func.getFunctionType(), pointer, target);
return builder.create<fir::CallOp>(loc, func, args).getResult(0);
}
mlir::Value fir::runtime::genCpuTime(fir::FirOpBuilder &builder,
mlir::Location loc) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(CpuTime)>(loc, builder);
return builder.create<fir::CallOp>(loc, func, std::nullopt).getResult(0);
}
void fir::runtime::genDateAndTime(fir::FirOpBuilder &builder,
mlir::Location loc,
std::optional<fir::CharBoxValue> date,
std::optional<fir::CharBoxValue> time,
std::optional<fir::CharBoxValue> zone,
mlir::Value values) {
mlir::func::FuncOp callee =
fir::runtime::getRuntimeFunc<mkRTKey(DateAndTime)>(loc, builder);
mlir::FunctionType funcTy = callee.getFunctionType();
mlir::Type idxTy = builder.getIndexType();
mlir::Value zero;
auto splitArg = [&](std::optional<fir::CharBoxValue> arg, mlir::Value &buffer,
mlir::Value &len) {
if (arg) {
buffer = arg->getBuffer();
len = arg->getLen();
} else {
if (!zero)
zero = builder.createIntegerConstant(loc, idxTy, 0);
buffer = zero;
len = zero;
}
};
mlir::Value dateBuffer;
mlir::Value dateLen;
splitArg(date, dateBuffer, dateLen);
mlir::Value timeBuffer;
mlir::Value timeLen;
splitArg(time, timeBuffer, timeLen);
mlir::Value zoneBuffer;
mlir::Value zoneLen;
splitArg(zone, zoneBuffer, zoneLen);
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, funcTy.getInput(7));
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, funcTy, dateBuffer, dateLen, timeBuffer, timeLen,
zoneBuffer, zoneLen, sourceFile, sourceLine, values);
builder.create<fir::CallOp>(loc, callee, args);
}
void fir::runtime::genEtime(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value values, mlir::Value time) {
auto runtimeFunc = fir::runtime::getRuntimeFunc<mkRTKey(Etime)>(loc, builder);
mlir::FunctionType runtimeFuncTy = runtimeFunc.getFunctionType();
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, runtimeFuncTy.getInput(3));
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, runtimeFuncTy, values, time, sourceFile, sourceLine);
builder.create<fir::CallOp>(loc, runtimeFunc, args);
}
void fir::runtime::genRandomInit(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value repeatable,
mlir::Value imageDistinct) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(RandomInit)>(loc, builder);
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, func.getFunctionType(), repeatable, imageDistinct);
builder.create<fir::CallOp>(loc, func, args);
}
void fir::runtime::genRandomNumber(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value harvest) {
mlir::func::FuncOp func;
auto boxEleTy = fir::dyn_cast_ptrOrBoxEleTy(harvest.getType());
auto eleTy = fir::unwrapSequenceType(boxEleTy);
if (eleTy.isF128()) {
func = fir::runtime::getRuntimeFunc<ForcedRandomNumberReal16>(loc, builder);
} else {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomNumber)>(loc, builder);
}
mlir::FunctionType funcTy = func.getFunctionType();
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, funcTy.getInput(2));
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, funcTy, harvest, sourceFile, sourceLine);
builder.create<fir::CallOp>(loc, func, args);
}
void fir::runtime::genRandomSeed(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value size, mlir::Value put,
mlir::Value get) {
bool sizeIsPresent =
!mlir::isa_and_nonnull<fir::AbsentOp>(size.getDefiningOp());
bool putIsPresent =
!mlir::isa_and_nonnull<fir::AbsentOp>(put.getDefiningOp());
bool getIsPresent =
!mlir::isa_and_nonnull<fir::AbsentOp>(get.getDefiningOp());
mlir::func::FuncOp func;
int staticArgCount = sizeIsPresent + putIsPresent + getIsPresent;
if (staticArgCount == 0) {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedDefaultPut)>(loc,
builder);
builder.create<fir::CallOp>(loc, func);
return;
}
mlir::FunctionType funcTy;
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine;
mlir::Value argBox;
llvm::SmallVector<mlir::Value> args;
if (staticArgCount > 1) {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeed)>(loc, builder);
funcTy = func.getFunctionType();
sourceLine =
fir::factory::locationToLineNo(builder, loc, funcTy.getInput(4));
args = fir::runtime::createArguments(builder, loc, funcTy, size, put, get,
sourceFile, sourceLine);
builder.create<fir::CallOp>(loc, func, args);
return;
}
if (sizeIsPresent) {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedSize)>(loc, builder);
argBox = size;
} else if (putIsPresent) {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedPut)>(loc, builder);
argBox = put;
} else {
func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedGet)>(loc, builder);
argBox = get;
}
funcTy = func.getFunctionType();
sourceLine = fir::factory::locationToLineNo(builder, loc, funcTy.getInput(2));
args = fir::runtime::createArguments(builder, loc, funcTy, argBox, sourceFile,
sourceLine);
builder.create<fir::CallOp>(loc, func, args);
}
/// generate rename runtime call
void fir::runtime::genRename(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value path1, mlir::Value path2,
mlir::Value status) {
auto runtimeFunc =
fir::runtime::getRuntimeFunc<mkRTKey(Rename)>(loc, builder);
mlir::FunctionType runtimeFuncTy = runtimeFunc.getFunctionType();
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, runtimeFuncTy.getInput(4));
llvm::SmallVector<mlir::Value> args =
fir::runtime::createArguments(builder, loc, runtimeFuncTy, path1, path2,
status, sourceFile, sourceLine);
builder.create<fir::CallOp>(loc, runtimeFunc, args);
}
/// generate runtime call to transfer intrinsic with no size argument
void fir::runtime::genTransfer(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value resultBox, mlir::Value sourceBox,
mlir::Value moldBox) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(Transfer)>(loc, builder);
mlir::FunctionType fTy = func.getFunctionType();
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, fTy.getInput(4));
llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
builder, loc, fTy, resultBox, sourceBox, moldBox, sourceFile, sourceLine);
builder.create<fir::CallOp>(loc, func, args);
}
/// generate runtime call to transfer intrinsic with size argument
void fir::runtime::genTransferSize(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value resultBox,
mlir::Value sourceBox, mlir::Value moldBox,
mlir::Value size) {
mlir::func::FuncOp func =
fir::runtime::getRuntimeFunc<mkRTKey(TransferSize)>(loc, builder);
mlir::FunctionType fTy = func.getFunctionType();
mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
mlir::Value sourceLine =
fir::factory::locationToLineNo(builder, loc, fTy.getInput(4));
llvm::SmallVector<mlir::Value> args =
fir::runtime::createArguments(builder, loc, fTy, resultBox, sourceBox,
moldBox, sourceFile, sourceLine, size);
builder.create<fir::CallOp>(loc, func, args);
}
/// generate system_clock runtime call/s
/// all intrinsic arguments are optional and may appear here as mlir::Value{}
void fir::runtime::genSystemClock(fir::FirOpBuilder &builder,
mlir::Location loc, mlir::Value count,
mlir::Value rate, mlir::Value max) {
auto makeCall = [&](mlir::func::FuncOp func, mlir::Value arg) {
mlir::Type type = arg.getType();
fir::IfOp ifOp{};
const bool isOptionalArg =
fir::valueHasFirAttribute(arg, fir::getOptionalAttrName());
if (mlir::dyn_cast<fir::PointerType>(type) ||
mlir::dyn_cast<fir::HeapType>(type)) {
// Check for a disassociated pointer or an unallocated allocatable.
assert(!isOptionalArg && "invalid optional argument");
ifOp = builder.create<fir::IfOp>(loc, builder.genIsNotNullAddr(loc, arg),
/*withElseRegion=*/false);
} else if (isOptionalArg) {
ifOp = builder.create<fir::IfOp>(
loc, builder.create<fir::IsPresentOp>(loc, builder.getI1Type(), arg),
/*withElseRegion=*/false);
}
if (ifOp)
builder.setInsertionPointToStart(&ifOp.getThenRegion().front());
mlir::Type kindTy = func.getFunctionType().getInput(0);
int integerKind = 8;
if (auto intType =
mlir::dyn_cast<mlir::IntegerType>(fir::unwrapRefType(type)))
integerKind = intType.getWidth() / 8;
mlir::Value kind = builder.createIntegerConstant(loc, kindTy, integerKind);
mlir::Value res =
builder.create<fir::CallOp>(loc, func, mlir::ValueRange{kind})
.getResult(0);
mlir::Value castRes =
builder.createConvert(loc, fir::dyn_cast_ptrEleTy(type), res);
builder.create<fir::StoreOp>(loc, castRes, arg);
if (ifOp)
builder.setInsertionPointAfter(ifOp);
};
using fir::runtime::getRuntimeFunc;
if (count)
makeCall(getRuntimeFunc<mkRTKey(SystemClockCount)>(loc, builder), count);
if (rate)
makeCall(getRuntimeFunc<mkRTKey(SystemClockCountRate)>(loc, builder), rate);
if (max)
makeCall(getRuntimeFunc<mkRTKey(SystemClockCountMax)>(loc, builder), max);
}
// CALL SIGNAL(NUMBER, HANDLER [, STATUS])
// The definition of the SIGNAL intrinsic allows HANDLER to be a function
// pointer or an integer. STATUS can be dynamically optional
void fir::runtime::genSignal(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value number, mlir::Value handler,
mlir::Value status) {
assert(mlir::isa<mlir::IntegerType>(number.getType()));
mlir::Type int64 = builder.getIntegerType(64);
number = builder.create<fir::ConvertOp>(loc, int64, number);
mlir::Type handlerUnwrappedTy = fir::unwrapRefType(handler.getType());
if (mlir::isa_and_nonnull<mlir::IntegerType>(handlerUnwrappedTy)) {
// pass the integer as a function pointer like one would to signal(2)
handler = builder.create<fir::LoadOp>(loc, handler);
mlir::Type fnPtrTy = fir::LLVMPointerType::get(
mlir::FunctionType::get(handler.getContext(), {}, {}));
handler = builder.create<fir::ConvertOp>(loc, fnPtrTy, handler);
} else {
assert(mlir::isa<fir::BoxProcType>(handler.getType()));
handler = builder.create<fir::BoxAddrOp>(loc, handler);
}
mlir::func::FuncOp func{
fir::runtime::getRuntimeFunc<mkRTKey(Signal)>(loc, builder)};
mlir::Value stat =
builder.create<fir::CallOp>(loc, func, mlir::ValueRange{number, handler})
->getResult(0);
// return status code via status argument (if present)
if (status) {
assert(mlir::isa<mlir::IntegerType>(fir::unwrapRefType(status.getType())));
// status might be dynamically optional, so test if it is present
mlir::Value isPresent =
builder.create<IsPresentOp>(loc, builder.getI1Type(), status);
builder.genIfOp(loc, /*results=*/{}, isPresent, /*withElseRegion=*/false)
.genThen([&]() {
stat = builder.create<fir::ConvertOp>(
loc, fir::unwrapRefType(status.getType()), stat);
builder.create<fir::StoreOp>(loc, stat, status);
})
.end();
}
}
void fir::runtime::genSleep(fir::FirOpBuilder &builder, mlir::Location loc,
mlir::Value seconds) {
mlir::Type int64 = builder.getIntegerType(64);
seconds = builder.create<fir::ConvertOp>(loc, int64, seconds);
mlir::func::FuncOp func{
fir::runtime::getRuntimeFunc<mkRTKey(Sleep)>(loc, builder)};
builder.create<fir::CallOp>(loc, func, seconds);
}
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