| // Test that the specified output merges the profiling data. |
| // Run the program twice so that the counters accumulate. |
| // RUN: %clang -fprofile-instr-generate -fcoverage-mapping -o %t %s |
| // RUN: rm -f %t.merging.profraw %t.merging.profdata |
| // RUN: %run %t %t.merging.profraw |
| // RUN: %run %t %t.merging.profraw |
| // RUN: test -f %t.merging.profraw |
| // RUN: llvm-profdata merge -o %t.merging.profdata %t.merging.profraw |
| // RUN: llvm-cov show -instr-profile %t.merging.profdata %t | FileCheck %s --match-full-lines |
| #include <stdio.h> |
| |
| extern void __llvm_profile_set_file_object(FILE *, int); |
| |
| int main(int argc, const char *argv[]) { |
| if (argc < 2) |
| return 1; |
| |
| FILE *F = fopen(argv[1], "r+b"); |
| if (!F) { |
| // File might not exist, try opening with truncation |
| F = fopen(argv[1], "w+b"); |
| } |
| __llvm_profile_set_file_object(F, 1); |
| |
| return 0; |
| } |
| // CHECK: 10| |#include <stdio.h> |
| // CHECK: 11| | |
| // CHECK: 12| |extern void __llvm_profile_set_file_object(FILE *, int); |
| // CHECK: 13| | |
| // CHECK: 14| 2|int main(int argc, const char *argv[]) { |
| // CHECK: 15| 2| if (argc < 2) |
| // CHECK: 16| 0| return 1; |
| // CHECK: 17| 2| |
| // CHECK: 18| 2| FILE *F = fopen(argv[1], "r+b"); |
| // CHECK: 19| 2| if (!F) { |
| // CHECK: 20| 1| // File might not exist, try opening with truncation |
| // CHECK: 21| 1| F = fopen(argv[1], "w+b"); |
| // CHECK: 22| 1| } |
| // CHECK: 23| 2| __llvm_profile_set_file_object(F, 1); |
| // CHECK: 24| 2| |
| // CHECK: 25| 2| return 0; |
| // CHECK: 26| 2|} |
