1 // Test that unprofiled files are recognized. Here, we have two functions in the
2 // profile, main() and function_in_header, but we use the profile on a file that
3 // has the profile-less some_unprofiled_function so that the only profiled code
4 // in #included in a header.
5 
6 // FIXME: It would be nice to use -verify here instead of FileCheck, but -verify
7 // doesn't play well with warnings that have no line number.
8 
9 // RUN: llvm-profdata merge %S/Inputs/c-unprofiled.proftext -o %t.profdata
10 // 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-instr-use=%t.profdata -Wprofile-instr-unprofiled 2>&1 | FileCheck %s
11 
12 // CHECK: warning: no profile data available for file "c-unprofiled.c"
13 
14 #include "profiled_header.h"
15 
16 #ifdef GENERATE_OUTDATED_DATA
main(int argc,const char * argv[])17 int main(int argc, const char *argv[]) {
18   function_in_header(0);
19   return 0;
20 }
21 #else
some_unprofiled_function(int i)22 void some_unprofiled_function(int i) {
23   if (i)
24     function_in_header(i);
25 }
26 #endif
27