27 lines · c
1// Test that unprofiled files are recognized. Here, we have two functions in the2// profile, main() and function_in_header, but we use the profile on a file that3// has the profile-less some_unprofiled_function so that the only profiled code4// in #included in a header.5 6// FIXME: It would be nice to use -verify here instead of FileCheck, but -verify7// doesn't play well with warnings that have no line number.8 9// RUN: llvm-profdata merge %S/Inputs/c-unprofiled.proftext -o %t.profdata10// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-unprofiled.c -I %S/Inputs/ %s -o /dev/null -emit-llvm -fprofile-instrument-use=clang -fprofile-instrument-use-path=%t.profdata -Wprofile-instr-unprofiled 2>&1 | FileCheck %s11 12// CHECK: warning: no profile data available for file "c-unprofiled.c"13 14#include "profiled_header.h"15 16#ifdef GENERATE_OUTDATED_DATA17int main(int argc, const char *argv[]) {18 function_in_header(0);19 return 0;20}21#else22void some_unprofiled_function(int i) {23 if (i)24 function_in_header(i);25}26#endif27