1// RUN: rm -f %t.profdata
2// RUN: %clang_pgogen -o %t -mllvm -pgo-temporal-instrumentation %s
3// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t n
4// RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t y
5// RUN: llvm-profdata merge -o %t.profdata %t.0.profraw --weighted-input=5,%t.1.profraw
6// RUN: llvm-profdata show --temporal-profile-traces %t.profdata | FileCheck %s --implicit-check-not=unused
7
8// RUN: rm -f %t.profdata
9// RUN: %clang_pgogen -o %t -mllvm -pgo-temporal-instrumentation -mllvm -pgo-block-coverage %s
10// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t n
11// RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t y
12// RUN: llvm-profdata merge -o %t.profdata %t.0.profraw --weighted-input=5,%t.1.profraw
13// RUN: llvm-profdata show --temporal-profile-traces %t.profdata | FileCheck %s --implicit-check-not=unused
14
15extern void exit(int);
16extern void __llvm_profile_reset_counters();
17
18void a() {}
19void b() {}
20void unused() { exit(1); }
21void c() {}
22
23int main(int argc, const char *argv[]) {
24 if (argc != 2)
25 unused();
26 a();
27 b();
28 b();
29 c();
30 if (*argv[1] == 'y')
31 __llvm_profile_reset_counters();
32 a();
33 c();
34 b();
35 return 0;
36}
37
38// CHECK: Temporal Profile Traces (samples=2 seen=2):
39// CHECK: Temporal Profile Trace 0 (weight=1 count=4):
40// CHECK: main
41// CHECK: a
42// CHECK: b
43// CHECK: c
44// CHECK: Temporal Profile Trace 1 (weight=5 count=3):
45// CHECK: a
46// CHECK: c
47// CHECK: b
48

source code of compiler-rt/test/profile/instrprof-timestamp.c