1 | // RUN: %clang_pgogen -mllvm -pgo-block-coverage %s -o %t.out |
2 | // RUN: env LLVM_PROFILE_FILE=%t1.profraw %run %t.out 1 |
3 | // RUN: env LLVM_PROFILE_FILE=%t2.profraw %run %t.out 2 |
4 | // RUN: llvm-profdata merge -o %t.profdata %t1.profraw %t2.profraw |
5 | // RUN: %clang_profuse=%t.profdata -mllvm -pgo-verify-bfi -o - -S -emit-llvm %s 2>%t.errs | FileCheck %s --implicit-check-not="!prof" |
6 | // RUN: FileCheck %s < %t.errs --allow-empty --check-prefix=CHECK-ERROR |
7 | |
8 | // RUN: llvm-profdata merge -o %t2.profdata %t1.profraw %t1.profraw %t2.profraw %t2.profraw |
9 | // RUN: llvm-profdata show %t2.profdata | FileCheck %s --check-prefix=COUNTS |
10 | |
11 | #include <stdlib.h> |
12 | |
13 | // CHECK: @foo({{.*}}) |
14 | // CHECK-SAME: !prof ![[PROF0:[0-9]+]] |
15 | void foo(int a) { |
16 | // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PROF1:[0-9]+]] |
17 | if (a % 2 == 0) { |
18 | // |
19 | } else { |
20 | // |
21 | } |
22 | |
23 | // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PROF1]] |
24 | for (int i = 1; i < a; i++) { |
25 | // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PROF2:[0-9]+]] |
26 | if (a % 3 == 0) { |
27 | // |
28 | } else { |
29 | // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[PROF2]] |
30 | if (a % 1001 == 0) { |
31 | return; |
32 | } |
33 | } |
34 | } |
35 | |
36 | return; |
37 | } |
38 | |
39 | // CHECK: @main({{.*}}) |
40 | // CHECK-SAME: !prof ![[PROF0]] |
41 | int main(int argc, char *argv[]) { |
42 | foo(a: atoi(nptr: argv[1])); |
43 | return 0; |
44 | } |
45 | |
46 | // CHECK-DAG: ![[PROF0]] = !{!"function_entry_count", i64 10000} |
47 | // CHECK-DAG: ![[PROF1]] = !{!"branch_weights", i32 1, i32 1} |
48 | // CHECK-DAG: ![[PROF2]] = !{!"branch_weights", i32 0, i32 1} |
49 | |
50 | // CHECK-ERROR-NOT: warning: {{.*}}: Found inconsistent block coverage |
51 | |
52 | // COUNTS: Maximum function count: 4 |
53 | |