instrprof-set-file-object-merging.c
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// 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|}