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//===- StructBuilder.h - Helper for building LLVM structs -------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Provides a convenience API for emitting IR that inspects or constructs values
// of LLVM dialect structure types.
#include "mlir/IR/Types.h"
#include "mlir/IR/Value.h"
namespace mlir {
class OpBuilder;
/// Helper class to produce LLVM dialect operations extracting or inserting
/// values to a struct.
class StructBuilder {
/// Construct a helper for the given value.
explicit StructBuilder(Value v);
/// Builds IR creating an `undef` value of the descriptor type.
static StructBuilder undef(OpBuilder &builder, Location loc,
Type descriptorType);
/*implicit*/ operator Value() { return value; }
// LLVM value
Value value;
// Cached struct type.
Type structType;
/// Builds IR to extract a value from the struct at position pos
Value extractPtr(OpBuilder &builder, Location loc, unsigned pos);
/// Builds IR to set a value in the struct at position pos
void setPtr(OpBuilder &builder, Location loc, unsigned pos, Value ptr);
} // namespace mlir