mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-25 12:50:00 +00:00
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
|
//===- lto-c.cpp - LLVM Link Time Optimizer C Wrappers --------------------===//
|
||
|
|
//
|
||
|
|
// The LLVM Compiler Infrastructure
|
||
|
|
//
|
||
|
|
// This file was developed by Chandler Carruth and is distributed under
|
||
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file implements a C wrapper API for the Link Time Optimization
|
||
|
|
// library.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#include "llvm-c/LinkTimeOptimizer.h"
|
||
|
|
#include "llvm/LinkTimeOptimizer.h"
|
||
|
|
using namespace llvm;
|
||
|
|
|
||
|
|
|
||
|
|
/// Create an instance of the LLVM LTO object for performing the link
|
||
|
|
/// time optimizations.
|
||
|
|
extern "C"
|
||
|
|
llvm_lto_t llvm_create_optimizer() {
|
||
|
|
return new llvm::LTO();
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Destroy an instance of the LLVM LTO object
|
||
|
|
extern "C"
|
||
|
|
void llvm_destroy_optimizer(llvm_lto_t lto) {
|
||
|
|
delete (llvm::LTO*)lto;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Read an LLVM bytecode file using LTO::readLLVMObjectFile.
|
||
|
|
extern "C"
|
||
|
|
llvm_lto_status
|
||
|
|
llvm_read_object_file(llvm_lto_t lto, const char *input_filename) {
|
||
|
|
llvm::LTO *l = (llvm::LTO*)lto;
|
||
|
|
|
||
|
|
if (input_filename == NULL)
|
||
|
|
return LLVM_LTO_READ_FAILURE;
|
||
|
|
|
||
|
|
std::string InputFilename(input_filename);
|
||
|
|
llvm::LTO::NameToSymbolMap symbols;
|
||
|
|
std::set<std::string> references;
|
||
|
|
return (llvm_lto_status)((int)(l->readLLVMObjectFile(InputFilename, symbols,
|
||
|
|
references)));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/// Optimize and output object code using LTO::optimizeModules.
|
||
|
|
extern "C"
|
||
|
|
llvm_lto_status
|
||
|
|
llvm_optimize_modules(llvm_lto_t lto, const char *output_filename) {
|
||
|
|
llvm::LTO *l = (llvm::LTO*)lto;
|
||
|
|
|
||
|
|
std::string OutputFilename(output_filename);
|
||
|
|
std::vector<const char *> exportList;
|
||
|
|
std::string targetTriple;
|
||
|
|
|
||
|
|
return (llvm_lto_status)((int)(
|
||
|
|
l->optimizeModules(OutputFilename, exportList,
|
||
|
|
targetTriple, false, "")));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|