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//===-- Optimizer/Support/DataLayout.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/Support/DataLayout.h"
#include "flang/Optimizer/Dialect/Support/FIRContext.h"
#include "flang/Optimizer/Support/FatalError.h"
#include "mlir/Dialect/DLTI/DLTI.h"
#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
#include "mlir/IR/BuiltinOps.h"
#include "mlir/Interfaces/DataLayoutInterfaces.h"
#include "mlir/Support/LLVM.h"
#include "mlir/Target/LLVMIR/Import.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetMachine.h"
void fir::support::setMLIRDataLayout(mlir::ModuleOp mlirModule,
const llvm::DataLayout &dl) {
mlir::MLIRContext *context = mlirModule.getContext();
mlirModule->setAttr(
mlir::LLVM::LLVMDialect::getDataLayoutAttrName(),
mlir::StringAttr::get(context, dl.getStringRepresentation()));
mlir::DataLayoutSpecInterface dlSpec = mlir::translateDataLayout(dl, context);
mlirModule->setAttr(mlir::DLTIDialect::kDataLayoutAttrName, dlSpec);
}
void fir::support::setMLIRDataLayoutFromAttributes(mlir::ModuleOp mlirModule,
bool allowDefaultLayout) {
if (mlirModule.getDataLayoutSpec())
return; // Already set.
if (auto dataLayoutString = mlirModule->getAttrOfType<mlir::StringAttr>(
mlir::LLVM::LLVMDialect::getDataLayoutAttrName())) {
llvm::DataLayout llvmDataLayout(dataLayoutString);
fir::support::setMLIRDataLayout(mlirModule, llvmDataLayout);
return;
}
if (!allowDefaultLayout)
return;
llvm::DataLayout llvmDataLayout("");
fir::support::setMLIRDataLayout(mlirModule, llvmDataLayout);
}
std::optional<mlir::DataLayout>
fir::support::getOrSetDataLayout(mlir::ModuleOp mlirModule,
bool allowDefaultLayout) {
if (!mlirModule.getDataLayoutSpec()) {
fir::support::setMLIRDataLayoutFromAttributes(mlirModule,
allowDefaultLayout);
if (!mlirModule.getDataLayoutSpec()) {
return std::nullopt;
}
}
return mlir::DataLayout(mlirModule);
}
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