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#include "clang.h"
#include "clang-c.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/LLVMContext.h"
#include <util-cxx.h>
#include <tests/llvm.h>
#include <string>
class perf_clang_scope {
public:
explicit perf_clang_scope() {perf_clang__init();}
~perf_clang_scope() {perf_clang__cleanup();}
};
extern "C" {
int test__clang_to_IR(void)
{
perf_clang_scope _scope;
unsigned int kernel_version;
if (fetch_kernel_version(&kernel_version, NULL, 0))
return -1;
std::string cflag_kver("-DLINUX_VERSION_CODE=" +
std::to_string(kernel_version));
std::unique_ptr<llvm::Module> M =
perf::getModuleFromSource({cflag_kver.c_str()},
"perf-test.c",
test_llvm__bpf_base_prog);
if (!M)
return -1;
for (llvm::Function& F : *M)
if (F.getName() == "bpf_func__SyS_epoll_wait")
return 0;
return -1;
}
}
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