1 //===- lto-c.cpp - LLVM Link Time Optimizer C Wrappers --------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements a C wrapper API for the Link Time Optimization
13 //===----------------------------------------------------------------------===//
15 #include "llvm-c/LinkTimeOptimizer.h"
16 #include "llvm/LinkTimeOptimizer.h"
20 /// Create an instance of the LLVM LTO object for performing the link
21 /// time optimizations.
23 llvm_lto_t llvm_create_optimizer() {
24 return new llvm::LTO();
27 /// Destroy an instance of the LLVM LTO object
29 void llvm_destroy_optimizer(llvm_lto_t lto) {
30 delete (llvm::LTO*)lto;
33 /// Read an LLVM bitcode file using LTO::readLLVMObjectFile.
36 llvm_read_object_file(llvm_lto_t lto, const char *input_filename) {
37 llvm::LTO *l = (llvm::LTO*)lto;
39 if (input_filename == NULL)
40 return LLVM_LTO_READ_FAILURE;
42 std::string InputFilename(input_filename);
43 llvm::LTO::NameToSymbolMap symbols;
44 std::set<std::string> references;
45 return (llvm_lto_status)((int)(l->readLLVMObjectFile(InputFilename, symbols,
50 /// Optimize and output object code using LTO::optimizeModules.
53 llvm_optimize_modules(llvm_lto_t lto, const char *output_filename) {
54 llvm::LTO *l = (llvm::LTO*)lto;
56 std::string OutputFilename(output_filename);
57 std::vector<const char *> exportList;
58 std::string targetTriple;
60 return (llvm_lto_status)((int)(
61 l->optimizeModules(OutputFilename, exportList,
62 targetTriple, false, "")));