1 // Test that outdated data is ignored. 2 3 // FIXME: It would be nice to use -verify here instead of FileCheck, but -verify 4 // doesn't play well with warnings that have no line number. 5 6 // RUN: llvm-profdata merge %S/Inputs/c-outdated-data.proftext -o %t.profdata 7 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-outdated-data.c %s -o /dev/null -emit-llvm -fprofile-instrument-use-path=%t.profdata -Wprofile-instr-dropped 2>&1 | FileCheck %s 8 // CHECK: warning: profile data may be out of date: of 3 functions, 1 has no data and 1 has mismatched data that will be ignored 9 no_usable_data()10void no_usable_data() { 11 int i = 0; 12 13 if (i) {} 14 15 #ifdef GENERATE_OUTDATED_DATA 16 if (i) {} 17 #endif 18 } 19 20 #ifndef GENERATE_OUTDATED_DATA no_data()21void no_data() { 22 } 23 #endif 24 main(int argc,const char * argv[])25int main(int argc, const char *argv[]) { 26 no_usable_data(); 27 return 0; 28 } 29