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