forked from OSchip/llvm-project
37 lines
1.5 KiB
C++
37 lines
1.5 KiB
C++
//===- StructBuilder.cpp - Helper for building LLVM structs --------------===//
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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 "mlir/Conversion/LLVMCommon/StructBuilder.h"
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#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
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#include "mlir/Dialect/LLVMIR/LLVMTypes.h"
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#include "mlir/IR/Builders.h"
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using namespace mlir;
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//===----------------------------------------------------------------------===//
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// StructBuilder implementation
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//===----------------------------------------------------------------------===//
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StructBuilder::StructBuilder(Value v) : value(v), structType(v.getType()) {
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assert(value != nullptr && "value cannot be null");
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assert(LLVM::isCompatibleType(structType) && "expected llvm type");
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}
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Value StructBuilder::extractPtr(OpBuilder &builder, Location loc,
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unsigned pos) {
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Type type = structType.cast<LLVM::LLVMStructType>().getBody()[pos];
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return builder.create<LLVM::ExtractValueOp>(loc, type, value,
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builder.getI64ArrayAttr(pos));
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}
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void StructBuilder::setPtr(OpBuilder &builder, Location loc, unsigned pos,
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Value ptr) {
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value = builder.create<LLVM::InsertValueOp>(loc, structType, value, ptr,
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builder.getI64ArrayAttr(pos));
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}
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