a9495fe9dc
Improve getModuleFromSource() API to accept a cflags list. This feature will be used to pass LINUX_VERSION_CODE and -I flags. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Alexei Starovoitov <ast@fb.com> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Joe Stringer <joe@ovn.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/20161126070354.141764-13-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
33 lines
570 B
C++
33 lines
570 B
C++
#include "clang.h"
|
|
#include "clang-c.h"
|
|
#include "llvm/IR/Function.h"
|
|
#include "llvm/IR/LLVMContext.h"
|
|
|
|
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;
|
|
|
|
std::unique_ptr<llvm::Module> M =
|
|
perf::getModuleFromSource({"-DRESULT=1"},
|
|
"perf-test.c",
|
|
"int myfunc(void) {return RESULT;}");
|
|
|
|
if (!M)
|
|
return -1;
|
|
|
|
for (llvm::Function& F : *M)
|
|
if (F.getName() == "myfunc")
|
|
return 0;
|
|
return -1;
|
|
}
|
|
|
|
}
|