1// Test that the specified output merges the profiling data.
2// Run the program twice so that the counters accumulate.
3// RUN: %clang -fprofile-instr-generate -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
12extern void __llvm_profile_set_file_object(FILE *, int);
13
14int main(int argc, const char *argv[]) {
15 if (argc < 2)
16 return 1;
17
18 FILE *F = fopen(argv[1], "r+b");
19 if (!F) {
20 // File might not exist, try opening with truncation
21 F = fopen(argv[1], "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