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d1b42bfe87
Force `-Werror=strict-prototypes` so that C API tests fail to compile if we add a non-prototype declaration. This should help avoid regressions like bddecba4b333f7772029b4937d2c34f9f2fda6ca was fixing. https://reviews.llvm.org/D70285 rdar://problem/57203137
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//===-- llvm/LinkTimeOptimizer.h - LTO Public C Interface -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header provides a C API to use the LLVM link time optimization
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// library. This is intended to be used by linkers which are C-only in
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// their implementation for performing LTO.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_C_LINKTIMEOPTIMIZER_H
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#define LLVM_C_LINKTIMEOPTIMIZER_H
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#include "llvm-c/ExternC.h"
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LLVM_C_EXTERN_C_BEGIN
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/**
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* @defgroup LLVMCLinkTimeOptimizer Link Time Optimization
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* @ingroup LLVMC
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*
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* @{
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*/
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/// This provides a dummy type for pointers to the LTO object.
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typedef void* llvm_lto_t;
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/// This provides a C-visible enumerator to manage status codes.
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/// This should map exactly onto the C++ enumerator LTOStatus.
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typedef enum llvm_lto_status {
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LLVM_LTO_UNKNOWN,
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LLVM_LTO_OPT_SUCCESS,
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LLVM_LTO_READ_SUCCESS,
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LLVM_LTO_READ_FAILURE,
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LLVM_LTO_WRITE_FAILURE,
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LLVM_LTO_NO_TARGET,
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LLVM_LTO_NO_WORK,
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LLVM_LTO_MODULE_MERGE_FAILURE,
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LLVM_LTO_ASM_FAILURE,
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// Added C-specific error codes
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LLVM_LTO_NULL_OBJECT
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} llvm_lto_status_t;
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/// This provides C interface to initialize link time optimizer. This allows
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/// linker to use dlopen() interface to dynamically load LinkTimeOptimizer.
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/// extern "C" helps, because dlopen() interface uses name to find the symbol.
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extern llvm_lto_t llvm_create_optimizer(void);
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extern void llvm_destroy_optimizer(llvm_lto_t lto);
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extern llvm_lto_status_t llvm_read_object_file
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(llvm_lto_t lto, const char* input_filename);
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extern llvm_lto_status_t llvm_optimize_modules
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(llvm_lto_t lto, const char* output_filename);
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/**
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* @}
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*/
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LLVM_C_EXTERN_C_END
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#endif
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