1// Test that outdated data is ignored. 2 3// FIXME: It would be nice to use -verify here instead of FileCheck, but -verify 4// doesn't play well with warnings that have no line number. 5 6// RUN: llvm-profdata merge %S/Inputs/c-outdated-data.proftext -o %t.profdata 7// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-outdated-data.c %s -o /dev/null -emit-llvm -fprofile-instr-use=%t.profdata -Wprofile-instr-dropped 2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&1 | FileCheck %s 8// CHECK: warning: profile data may be out of date: of 3 functions, 1 has no data and 1 has mismatched data that will be ignored 9 10void no_usable_data() { 11 int i = 0; 12 13 if (i) {} 14 15#ifdef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