xref: /llvm-project/compiler-rt/test/profile/instrprof-timestamp.c (revision 4bddef4117403a305727d145a9abf6bda700f8ff)
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 
15 extern void exit(int);
16 extern void __llvm_profile_reset_counters();
17 
a()18 void a() {}
b()19 void b() {}
unused()20 void unused() { exit(1); }
c()21 void c() {}
22 
main(int argc,const char * argv[])23 int 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