diff options
Diffstat (limited to 'tools/perf/util/c++')
| -rw-r--r-- | tools/perf/util/c++/clang-test.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/tools/perf/util/c++/clang-test.cpp b/tools/perf/util/c++/clang-test.cpp index 0f484fb..d84e760 100644 --- a/tools/perf/util/c++/clang-test.cpp +++ b/tools/perf/util/c++/clang-test.cpp @@ -3,6 +3,10 @@ #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();} @@ -14,17 +18,24 @@ 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({"-DRESULT=1"}, + perf::getModuleFromSource({cflag_kver.c_str()}, "perf-test.c", - "int myfunc(void) {return RESULT;}"); + test_llvm__bpf_base_prog); if (!M) return -1; for (llvm::Function& F : *M) - if (F.getName() == "myfunc") + if (F.getName() == "bpf_func__SyS_epoll_wait") return 0; return -1; } |
