308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
110 lines
4.0 KiB
C
110 lines
4.0 KiB
C
/*===-- mlir-c/Core.h - Core Library C Interface ------------------*- C -*-===*\
|
|
|* *|
|
|
|* 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 *|
|
|
|* *|
|
|
|*===----------------------------------------------------------------------===*|
|
|
|* *|
|
|
|* This header declares the C interface to MLIR. *|
|
|
|* *|
|
|
\*===----------------------------------------------------------------------===*/
|
|
#ifndef MLIR_C_CORE_H
|
|
#define MLIR_C_CORE_H
|
|
|
|
#ifdef __cplusplus
|
|
#include <cstdint>
|
|
extern "C" {
|
|
#else
|
|
#include <stdint.h>
|
|
#endif
|
|
|
|
/// Opaque MLIR types.
|
|
/// Opaque C type for mlir::MLIRContext*.
|
|
typedef void *mlir_context_t;
|
|
/// Opaque C type for mlir::Type.
|
|
typedef const void *mlir_type_t;
|
|
/// Opaque C type for mlir::FuncOp.
|
|
typedef void *mlir_func_t;
|
|
/// Opaque C type for mlir::Attribute.
|
|
typedef const void *mlir_attr_t;
|
|
|
|
/// Simple C lists for non-owning mlir Opaque C types.
|
|
/// Recommended usage is construction from the `data()` and `size()` of a scoped
|
|
/// owning SmallVectorImpl<...> and passing to one of the C functions declared
|
|
/// later in this file.
|
|
/// Once the function returns and the proper EDSC has been constructed,
|
|
/// resources are freed by exiting the scope.
|
|
typedef struct {
|
|
int64_t *values;
|
|
uint64_t n;
|
|
} int64_list_t;
|
|
|
|
typedef struct {
|
|
mlir_type_t *types;
|
|
uint64_t n;
|
|
} mlir_type_list_t;
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
mlir_attr_t value;
|
|
} mlir_named_attr_t;
|
|
|
|
typedef struct {
|
|
mlir_named_attr_t *list;
|
|
uint64_t n;
|
|
} mlir_named_attr_list_t;
|
|
|
|
/// Minimal C API for exposing EDSCs to Swift, Python and other languages.
|
|
|
|
/// Returns an `mlir::MemRefType` of the element type `elemType` and shape
|
|
/// `sizes`.
|
|
mlir_type_t makeMemRefType(mlir_context_t context, mlir_type_t elemType,
|
|
int64_list_t sizes);
|
|
|
|
/// Returns an `mlir::FunctionType` of the element type `elemType` and shape
|
|
/// `sizes`.
|
|
mlir_type_t makeFunctionType(mlir_context_t context, mlir_type_list_t inputs,
|
|
mlir_type_list_t outputs);
|
|
|
|
/// Returns an `mlir::IndexType`.
|
|
mlir_type_t makeIndexType(mlir_context_t context);
|
|
|
|
/// Returns an `mlir::IntegerAttr` of the specified type that contains the given
|
|
/// value.
|
|
mlir_attr_t makeIntegerAttr(mlir_type_t type, int64_t value);
|
|
|
|
/// Returns an `mlir::BoolAttr` with the given value.
|
|
mlir_attr_t makeBoolAttr(mlir_context_t context, bool value);
|
|
|
|
/// Returns an `mlir::FloatAttr` with the given value.
|
|
mlir_attr_t makeFloatAttr(mlir_context_t context, float value);
|
|
|
|
/// Returns an `mlir::StringAttr` with the given value.
|
|
mlir_attr_t makeStringAttr(mlir_context_t context, const char *value);
|
|
|
|
/// Parses an MLIR type from the string `type` in the given context. Returns a
|
|
/// NULL type on error. If non-NULL, `charsRead` will contain the number of
|
|
/// characters that were processed by the parser.
|
|
mlir_type_t mlirParseType(const char *type, mlir_context_t context,
|
|
uint64_t *charsRead);
|
|
|
|
/// Returns the arity of `function`.
|
|
unsigned getFunctionArity(mlir_func_t function);
|
|
|
|
/// Returns the rank of the `function` argument at position `pos`.
|
|
/// If the argument is of MemRefType, this returns the rank of the MemRef.
|
|
/// Otherwise returns `0`.
|
|
/// TODO(ntv): support more than MemRefType and scalar Type.
|
|
unsigned getRankOfFunctionArgument(mlir_func_t function, unsigned pos);
|
|
|
|
/// Returns an opaque mlir::Type of the `function` argument at position `pos`.
|
|
mlir_type_t getTypeOfFunctionArgument(mlir_func_t function, unsigned pos);
|
|
|
|
#ifdef __cplusplus
|
|
} // end extern "C"
|
|
#endif
|
|
|
|
#endif // MLIR_C_CORE_H
|