1// RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=0 %s -o %t.0.out
2// RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=1 %s -o %t.1.out
3// RUN: %clang_pgogen -fprofile-function-groups=3 -fprofile-selected-function-group=2 %s -o %t.2.out
4// RUN: env LLVM_PROFILE_FILE=%t.0.profraw %run %t.0.out
5// RUN: env LLVM_PROFILE_FILE=%t.1.profraw %run %t.1.out
6// RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2.out
7// RUN: llvm-profdata merge -o %t.profdata %t.*.profraw
8// RUN: llvm-profdata show %t.profdata --all-functions | FileCheck %s
9
10int foo(int i) { return 4 * i + 1; }
11int bar(int i) { return 4 * i + 2; }
12int goo(int i) { return 4 * i + 3; }
13
14int main(int argc, char *argv[]) {
15 foo(i: 5);
16 bar(i: 6);
17 goo(i: 7);
18 return 0;
19}
20
21// Even though we ran this code three times, we expect all counts to be one if
22// functions were partitioned into groups correctly.
23
24// CHECK: Counters: 1
25// CHECK: Counters: 1
26// CHECK: Counters: 1
27// CHECK: Counters: 1
28// CHECK: Total functions: 4
29

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