1 | // Test that the specified output merges the profiling data. |
2 | // Run the program twice so that the counters accumulate. |
3 | // RUN: %clang_profgen -fcoverage-mapping -o %t %s |
4 | // RUN: rm -f %t.merging.profraw %t.merging.profdata |
5 | // RUN: %run %t %t.merging.profraw |
6 | // RUN: %run %t %t.merging.profraw |
7 | // RUN: test -f %t.merging.profraw |
8 | // RUN: llvm-profdata merge -o %t.merging.profdata %t.merging.profraw |
9 | // RUN: llvm-cov show -instr-profile %t.merging.profdata %t | FileCheck %s --match-full-lines |
10 | #include <stdio.h> |
11 | |
12 | extern void __llvm_profile_set_file_object(FILE *, int); |
13 | |
14 | int main(int argc, const char *argv[]) { |
15 | if (argc < 2) |
16 | return 1; |
17 | |
18 | FILE *F = fopen(filename: argv[1], modes: "r+b" ); |
19 | if (!F) { |
20 | // File might not exist, try opening with truncation |
21 | F = fopen(filename: argv[1], modes: "w+b" ); |
22 | } |
23 | __llvm_profile_set_file_object(F, 1); |
24 | |
25 | return 0; |
26 | } |
27 | // CHECK: 10| |#include <stdio.h> |
28 | // CHECK: 11| | |
29 | // CHECK: 12| |extern void __llvm_profile_set_file_object(FILE *, int); |
30 | // CHECK: 13| | |
31 | // CHECK: 14| 2|int main(int argc, const char *argv[]) { |
32 | // CHECK: 15| 2| if (argc < 2) |
33 | // CHECK: 16| 0| return 1; |
34 | // CHECK: 17| | |
35 | // CHECK: 18| 2| FILE *F = fopen(argv[1], "r+b"); |
36 | // CHECK: 19| 2| if (!F) { |
37 | // CHECK: 20| | // File might not exist, try opening with truncation |
38 | // CHECK: 21| 1| F = fopen(argv[1], "w+b"); |
39 | // CHECK: 22| 1| } |
40 | // CHECK: 23| 2| __llvm_profile_set_file_object(F, 1); |
41 | // CHECK: 24| | |
42 | // CHECK: 25| 2| return 0; |
43 | // CHECK: 26| 2|} |
44 | |