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  1. /*===-- llvm-c/Analysis.h - Analysis Library 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 header declares the C interface to libLLVMAnalysis.a, which           *|
  11. |* implements various analyses of the LLVM IR.                                *|
  12. |*                                                                            *|
  13. |* Many exotic languages can interoperate with C code but have a harder time  *|
  14. |* with C++ due to name mangling. So in addition to C, this interface enables *|
  15. |* tools written in such languages.                                           *|
  16. |*                                                                            *|
  17. \*===----------------------------------------------------------------------===*/
  18.  
  19. #ifndef LLVM_C_ANALYSIS_H
  20. #define LLVM_C_ANALYSIS_H
  21.  
  22. #include "llvm-c/ExternC.h"
  23. #include "llvm-c/Types.h"
  24.  
  25. LLVM_C_EXTERN_C_BEGIN
  26.  
  27. /**
  28.  * @defgroup LLVMCAnalysis Analysis
  29.  * @ingroup LLVMC
  30.  *
  31.  * @{
  32.  */
  33.  
  34. typedef enum {
  35.   LLVMAbortProcessAction, /* verifier will print to stderr and abort() */
  36.   LLVMPrintMessageAction, /* verifier will print to stderr and return 1 */
  37.   LLVMReturnStatusAction  /* verifier will just return 1 */
  38. } LLVMVerifierFailureAction;
  39.  
  40.  
  41. /* Verifies that a module is valid, taking the specified action if not.
  42.    Optionally returns a human-readable description of any invalid constructs.
  43.    OutMessage must be disposed with LLVMDisposeMessage. */
  44. LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
  45.                           char **OutMessage);
  46.  
  47. /* Verifies that a single function is valid, taking the specified action. Useful
  48.    for debugging. */
  49. LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action);
  50.  
  51. /* Open up a ghostview window that displays the CFG of the current function.
  52.    Useful for debugging. */
  53. void LLVMViewFunctionCFG(LLVMValueRef Fn);
  54. void LLVMViewFunctionCFGOnly(LLVMValueRef Fn);
  55.  
  56. /**
  57.  * @}
  58.  */
  59.  
  60. LLVM_C_EXTERN_C_END
  61.  
  62. #endif
  63.