Comdat.h revision 360784 
1/*===-- llvm-c/Comdat.h - Module Comdat C Interface -------------*- C++ -*-===*\
2|*                                                                            *|
3|* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4|* Exceptions.                                                                *|
5|* See https://llvm.org/LICENSE.txt for license information.                  *|
6|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
7|*                                                                            *|
8|*===----------------------------------------------------------------------===*|
9|*                                                                            *|
10|* This file defines the C interface to COMDAT.                               *|
11|*                                                                            *|
12\*===----------------------------------------------------------------------===*/
13
14#ifndef LLVM_C_COMDAT_H
15#define LLVM_C_COMDAT_H
16
17#include "llvm-c/ExternC.h"
18#include "llvm-c/Types.h"
19
20LLVM_C_EXTERN_C_BEGIN
21
22typedef enum {
23  LLVMAnyComdatSelectionKind,        ///< The linker may choose any COMDAT.
24  LLVMExactMatchComdatSelectionKind, ///< The data referenced by the COMDAT must
25                                     ///< be the same.
26  LLVMLargestComdatSelectionKind,    ///< The linker will choose the largest
27                                     ///< COMDAT.
28  LLVMNoDuplicatesComdatSelectionKind, ///< No other Module may specify this
29                                       ///< COMDAT.
30  LLVMSameSizeComdatSelectionKind ///< The data referenced by the COMDAT must be
31                                  ///< the same size.
32} LLVMComdatSelectionKind;
33
34/**
35 * Return the Comdat in the module with the specified name. It is created
36 * if it didn't already exist.
37 *
38 * @see llvm::Module::getOrInsertComdat()
39 */
40LLVMComdatRef LLVMGetOrInsertComdat(LLVMModuleRef M, const char *Name);
41
42/**
43 * Get the Comdat assigned to the given global object.
44 *
45 * @see llvm::GlobalObject::getComdat()
46 */
47LLVMComdatRef LLVMGetComdat(LLVMValueRef V);
48
49/**
50 * Assign the Comdat to the given global object.
51 *
52 * @see llvm::GlobalObject::setComdat()
53 */
54void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C);
55
56/*
57 * Get the conflict resolution selection kind for the Comdat.
58 *
59 * @see llvm::Comdat::getSelectionKind()
60 */
61LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C);
62
63/*
64 * Set the conflict resolution selection kind for the Comdat.
65 *
66 * @see llvm::Comdat::setSelectionKind()
67 */
68void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind Kind);
69
70LLVM_C_EXTERN_C_END
71
72#endif
73