1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-captured.c %s -o - -emit-llvm -fprofile-instrument=clang | FileCheck -allow-deprecated-dag-overlap -check-prefix=PGOGEN -check-prefix=PGOALL %s
2
3 // RUN: llvm-profdata merge %S/Inputs/c-captured.proftext -o %t.profdata
4 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-captured.c %s -o - -emit-llvm -fprofile-instrument-use-path=%t.profdata | FileCheck -allow-deprecated-dag-overlap -check-prefix=PGOUSE -check-prefix=PGOALL %s
5
6 // PGOGEN: @[[DCC:__profc_debug_captured]] = private global [3 x i64] zeroinitializer
7 // PGOGEN: @[[CSC:__profc_c_captured.c___captured_stmt]] = private global [2 x i64] zeroinitializer
8 // PGOGEN: @[[C1C:__profc_c_captured.c___captured_stmt.1]] = private global [3 x i64] zeroinitializer
9
10 // PGOALL-LABEL: define void @debug_captured()
11 // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 0
debug_captured()12 void debug_captured() {
13 int x = 10;
14
15 // Check both debug_captured counters, so we can do this all in one pass
16 // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 1
17 // PGOUSE: br {{.*}} !prof ![[DC1:[0-9]+]]
18 // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 2
19 // PGOUSE: br {{.*}} !prof ![[DC2:[0-9]+]]
20 // PGOALL: ret
21
22 // PGOALL-LABEL: define internal void @__captured_stmt(
23 // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 0
24 #pragma clang __debug captured
25 {
26 // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 1
27 // PGOUSE: br {{.*}} !prof ![[CS1:[0-9]+]]
28 if (x) {}
29 // PGOALL: ret
30 }
31
32 if (x) {} // This is DC1. Checked above.
33
34 // PGOALL-LABEL: define internal void @__captured_stmt.1(
35 // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 0
36 #pragma clang __debug captured
37 {
38 // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 1
39 // PGOUSE: br {{.*}} !prof ![[C11:[0-9]+]]
40 for (int i = 0; i < x; ++i) {}
41 // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 2
42 // PGOUSE: br {{.*}} !prof ![[C12:[0-9]+]]
43 if (x) {}
44 // PGOALL: ret
45 }
46
47 if (x) {} // This is DC2. Checked above.
48 }
49
50 // PGOUSE-DAG: ![[DC1]] = !{!"branch_weights", i32 2, i32 1}
51 // PGOUSE-DAG: ![[DC2]] = !{!"branch_weights", i32 2, i32 1}
52 // PGOUSE-DAG: ![[CS1]] = !{!"branch_weights", i32 2, i32 1}
53 // PGOUSE-DAG: ![[C11]] = !{!"branch_weights", i32 11, i32 2}
54 // PGOUSE-DAG: ![[C12]] = !{!"branch_weights", i32 2, i32 1}
55
main(int argc,const char * argv[])56 int main(int argc, const char *argv[]) {
57 debug_captured();
58 return 0;
59 }
60