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 
20 LLVM_C_EXTERN_C_BEGIN
21 
22 typedef 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  */
40 LLVMComdatRef 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  */
47 LLVMComdatRef LLVMGetComdat(LLVMValueRef V);
48 
49 /**
50  * Assign the Comdat to the given global object.
51  *
52  * @see llvm::GlobalObject::setComdat()
53  */
54 void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C);
55 
56 /*
57  * Get the conflict resolution selection kind for the Comdat.
58  *
59  * @see llvm::Comdat::getSelectionKind()
60  */
61 LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C);
62 
63 /*
64  * Set the conflict resolution selection kind for the Comdat.
65  *
66  * @see llvm::Comdat::setSelectionKind()
67  */
68 void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind Kind);
69 
70 LLVM_C_EXTERN_C_END
71 
72 #endif
73