| // Test that outdated data is ignored.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| // RUN: llvm-profdata merge %S/Inputs/c-outdated-data.proftext -o %t.profdata |
| // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-outdated-data.c %s -o /dev/null -emit-llvm -fprofile-instr-use=%t.profdata -Wprofile-instr-dropped 2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| // CHECK: warning: profile data may be out of date: of 3 functions, 1 has no data and 1 has mismatched data that will be ignored |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