238 lines
10 KiB
C++
238 lines
10 KiB
C++
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//===-- Intrinsics.cpp ----------------------------------------------------===//
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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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#include "flang/Optimizer/Builder/Runtime/Intrinsics.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/Runtime/RTBuilder.h"
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#include "flang/Optimizer/Dialect/FIROpsSupport.h"
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#include "flang/Parser/parse-tree.h"
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#include "flang/Runtime/misc-intrinsic.h"
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#include "flang/Runtime/pointer.h"
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#include "flang/Runtime/random.h"
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#include "flang/Runtime/stop.h"
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#include "flang/Runtime/time-intrinsic.h"
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#include "flang/Semantics/tools.h"
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#include "llvm/Support/Debug.h"
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#include <optional>
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#define DEBUG_TYPE "flang-lower-runtime"
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using namespace Fortran::runtime;
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mlir::Value fir::runtime::genAssociated(fir::FirOpBuilder &builder,
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mlir::Location loc, mlir::Value pointer,
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mlir::Value target) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(PointerIsAssociatedWith)>(loc,
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builder);
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llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
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builder, loc, func.getFunctionType(), pointer, target);
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return builder.create<fir::CallOp>(loc, func, args).getResult(0);
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}
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mlir::Value fir::runtime::genCpuTime(fir::FirOpBuilder &builder,
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mlir::Location loc) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(CpuTime)>(loc, builder);
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return builder.create<fir::CallOp>(loc, func, std::nullopt).getResult(0);
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}
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void fir::runtime::genDateAndTime(fir::FirOpBuilder &builder,
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mlir::Location loc,
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std::optional<fir::CharBoxValue> date,
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std::optional<fir::CharBoxValue> time,
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std::optional<fir::CharBoxValue> zone,
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mlir::Value values) {
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mlir::func::FuncOp callee =
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fir::runtime::getRuntimeFunc<mkRTKey(DateAndTime)>(loc, builder);
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mlir::FunctionType funcTy = callee.getFunctionType();
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mlir::Type idxTy = builder.getIndexType();
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mlir::Value zero;
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auto splitArg = [&](std::optional<fir::CharBoxValue> arg, mlir::Value &buffer,
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mlir::Value &len) {
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if (arg) {
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buffer = arg->getBuffer();
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len = arg->getLen();
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} else {
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if (!zero)
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zero = builder.createIntegerConstant(loc, idxTy, 0);
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buffer = zero;
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len = zero;
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}
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};
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mlir::Value dateBuffer;
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mlir::Value dateLen;
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splitArg(date, dateBuffer, dateLen);
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mlir::Value timeBuffer;
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mlir::Value timeLen;
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splitArg(time, timeBuffer, timeLen);
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mlir::Value zoneBuffer;
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mlir::Value zoneLen;
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splitArg(zone, zoneBuffer, zoneLen);
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mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
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mlir::Value sourceLine =
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fir::factory::locationToLineNo(builder, loc, funcTy.getInput(7));
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llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
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builder, loc, funcTy, dateBuffer, dateLen, timeBuffer, timeLen,
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zoneBuffer, zoneLen, sourceFile, sourceLine, values);
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builder.create<fir::CallOp>(loc, callee, args);
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}
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void fir::runtime::genRandomInit(fir::FirOpBuilder &builder, mlir::Location loc,
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mlir::Value repeatable,
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mlir::Value imageDistinct) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(RandomInit)>(loc, builder);
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llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
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builder, loc, func.getFunctionType(), repeatable, imageDistinct);
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builder.create<fir::CallOp>(loc, func, args);
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}
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void fir::runtime::genRandomNumber(fir::FirOpBuilder &builder,
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mlir::Location loc, mlir::Value harvest) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(RandomNumber)>(loc, builder);
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mlir::FunctionType funcTy = func.getFunctionType();
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mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
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mlir::Value sourceLine =
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fir::factory::locationToLineNo(builder, loc, funcTy.getInput(2));
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llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
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builder, loc, funcTy, harvest, sourceFile, sourceLine);
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builder.create<fir::CallOp>(loc, func, args);
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}
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void fir::runtime::genRandomSeed(fir::FirOpBuilder &builder, mlir::Location loc,
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mlir::Value size, mlir::Value put,
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mlir::Value get) {
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bool sizeIsPresent =
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!mlir::isa_and_nonnull<fir::AbsentOp>(size.getDefiningOp());
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bool putIsPresent =
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!mlir::isa_and_nonnull<fir::AbsentOp>(put.getDefiningOp());
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bool getIsPresent =
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!mlir::isa_and_nonnull<fir::AbsentOp>(get.getDefiningOp());
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mlir::func::FuncOp func;
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int staticArgCount = sizeIsPresent + putIsPresent + getIsPresent;
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if (staticArgCount == 0) {
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func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedDefaultPut)>(loc,
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builder);
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builder.create<fir::CallOp>(loc, func);
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return;
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}
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mlir::FunctionType funcTy;
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mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
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mlir::Value sourceLine;
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mlir::Value argBox;
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llvm::SmallVector<mlir::Value> args;
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if (staticArgCount > 1) {
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func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeed)>(loc, builder);
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funcTy = func.getFunctionType();
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sourceLine =
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fir::factory::locationToLineNo(builder, loc, funcTy.getInput(4));
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args = fir::runtime::createArguments(builder, loc, funcTy, size, put, get,
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sourceFile, sourceLine);
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builder.create<fir::CallOp>(loc, func, args);
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return;
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}
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if (sizeIsPresent) {
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func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedSize)>(loc, builder);
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argBox = size;
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} else if (putIsPresent) {
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func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedPut)>(loc, builder);
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argBox = put;
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} else {
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func = fir::runtime::getRuntimeFunc<mkRTKey(RandomSeedGet)>(loc, builder);
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argBox = get;
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}
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funcTy = func.getFunctionType();
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sourceLine = fir::factory::locationToLineNo(builder, loc, funcTy.getInput(2));
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args = fir::runtime::createArguments(builder, loc, funcTy, argBox, sourceFile,
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sourceLine);
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builder.create<fir::CallOp>(loc, func, args);
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}
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/// generate runtime call to transfer intrinsic with no size argument
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void fir::runtime::genTransfer(fir::FirOpBuilder &builder, mlir::Location loc,
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mlir::Value resultBox, mlir::Value sourceBox,
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mlir::Value moldBox) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(Transfer)>(loc, builder);
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mlir::FunctionType fTy = func.getFunctionType();
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mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
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mlir::Value sourceLine =
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fir::factory::locationToLineNo(builder, loc, fTy.getInput(4));
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llvm::SmallVector<mlir::Value> args = fir::runtime::createArguments(
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builder, loc, fTy, resultBox, sourceBox, moldBox, sourceFile, sourceLine);
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builder.create<fir::CallOp>(loc, func, args);
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}
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/// generate runtime call to transfer intrinsic with size argument
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void fir::runtime::genTransferSize(fir::FirOpBuilder &builder,
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mlir::Location loc, mlir::Value resultBox,
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mlir::Value sourceBox, mlir::Value moldBox,
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mlir::Value size) {
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mlir::func::FuncOp func =
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fir::runtime::getRuntimeFunc<mkRTKey(TransferSize)>(loc, builder);
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mlir::FunctionType fTy = func.getFunctionType();
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mlir::Value sourceFile = fir::factory::locationToFilename(builder, loc);
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mlir::Value sourceLine =
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fir::factory::locationToLineNo(builder, loc, fTy.getInput(4));
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llvm::SmallVector<mlir::Value> args =
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fir::runtime::createArguments(builder, loc, fTy, resultBox, sourceBox,
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moldBox, sourceFile, sourceLine, size);
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builder.create<fir::CallOp>(loc, func, args);
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}
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/// generate system_clock runtime call/s
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/// all intrinsic arguments are optional and may appear here as mlir::Value{}
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void fir::runtime::genSystemClock(fir::FirOpBuilder &builder,
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mlir::Location loc, mlir::Value count,
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mlir::Value rate, mlir::Value max) {
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auto makeCall = [&](mlir::func::FuncOp func, mlir::Value arg) {
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mlir::Type type = arg.getType();
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fir::IfOp ifOp{};
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const bool isOptionalArg =
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fir::valueHasFirAttribute(arg, fir::getOptionalAttrName());
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if (type.dyn_cast<fir::PointerType>() || type.dyn_cast<fir::HeapType>()) {
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// Check for a disassociated pointer or an unallocated allocatable.
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assert(!isOptionalArg && "invalid optional argument");
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ifOp = builder.create<fir::IfOp>(loc, builder.genIsNotNullAddr(loc, arg),
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/*withElseRegion=*/false);
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} else if (isOptionalArg) {
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ifOp = builder.create<fir::IfOp>(
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loc, builder.create<fir::IsPresentOp>(loc, builder.getI1Type(), arg),
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/*withElseRegion=*/false);
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}
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if (ifOp)
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builder.setInsertionPointToStart(&ifOp.getThenRegion().front());
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mlir::Type kindTy = func.getFunctionType().getInput(0);
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int integerKind = 8;
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if (auto intType = fir::unwrapRefType(type).dyn_cast<mlir::IntegerType>())
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integerKind = intType.getWidth() / 8;
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mlir::Value kind = builder.createIntegerConstant(loc, kindTy, integerKind);
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mlir::Value res =
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builder.create<fir::CallOp>(loc, func, mlir::ValueRange{kind})
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.getResult(0);
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mlir::Value castRes =
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builder.createConvert(loc, fir::dyn_cast_ptrEleTy(type), res);
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builder.create<fir::StoreOp>(loc, castRes, arg);
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if (ifOp)
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builder.setInsertionPointAfter(ifOp);
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};
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using fir::runtime::getRuntimeFunc;
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if (count)
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makeCall(getRuntimeFunc<mkRTKey(SystemClockCount)>(loc, builder), count);
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if (rate)
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makeCall(getRuntimeFunc<mkRTKey(SystemClockCountRate)>(loc, builder), rate);
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if (max)
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makeCall(getRuntimeFunc<mkRTKey(SystemClockCountMax)>(loc, builder), max);
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}
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