1 | // RUN: %clang_cc1 -debug-info-kind=limited -std=c++11 -S -emit-llvm %s -o - | FileCheck -allow-deprecated-dag-overlap %s |
2 | // PR19864 |
3 | extern int v[2]; |
4 | int a = 0, b = 0; |
5 | int main() { |
6 | #line 100 |
7 | for (int x : v) |
8 | if (x) |
9 | ++b; // CHECK: add nsw{{.*}}, 1 |
10 | else |
11 | ++a; // CHECK: add nsw{{.*}}, 1 |
12 | // The continuation block if the if statement should not share the |
13 | // location of the ++a statement. The branch back to the start of the loop |
14 | // should be attributed to the loop header line. |
15 | |
16 | // CHECK: br label |
17 | // CHECK: br label |
18 | // CHECK: br label {{.*}}, !dbg [[DBG1:![0-9]*]], !llvm.loop [[L1:![0-9]*]] |
19 | |
20 | #line 200 |
21 | while (a) |
22 | if (b) |
23 | ++b; // CHECK: add nsw{{.*}}, 1 |
24 | else |
25 | ++a; // CHECK: add nsw{{.*}}, 1 |
26 | |
27 | // CHECK: br label |
28 | // CHECK: br label {{.*}}, !dbg [[DBG2:![0-9]*]], !llvm.loop [[L2:![0-9]*]] |
29 | |
30 | #line 300 |
31 | for (; a; ) |
32 | if (b) |
33 | ++b; // CHECK: add nsw{{.*}}, 1 |
34 | else |
35 | ++a; // CHECK: add nsw{{.*}}, 1 |
36 | |
37 | // CHECK: br label |
38 | // CHECK: br label {{.*}}, !dbg [[DBG3:![0-9]*]], !llvm.loop [[L3:![0-9]*]] |
39 | |
40 | #line 400 |
41 | int x[] = {1, 2}; |
42 | for (int y : x) |
43 | if (b) |
44 | ++b; // CHECK: add nsw{{.*}}, 1 |
45 | else |
46 | ++a; // CHECK: add nsw{{.*}}, 1 |
47 | |
48 | // CHECK: br label |
49 | // CHECK: br label {{.*}}, !dbg [[DBG4:![0-9]*]], !llvm.loop [[L4:![0-9]*]] |
50 | |
51 | // CHECK-DAG: [[DBG1]] = !DILocation(line: 100, scope: !{{.*}}) |
52 | // CHECK-DAG: [[DBG2]] = !DILocation(line: 200, scope: !{{.*}}) |
53 | // CHECK-DAG: [[DBG3]] = !DILocation(line: 300, scope: !{{.*}}) |
54 | // CHECK-DAG: [[DBG4]] = !DILocation(line: 401, scope: !{{.*}}) |
55 | |
56 | // CHECK-DAG: [[L1]] = distinct !{[[L1]], [[SLDBG1:![0-9]*]], [[ELDBG1:![0-9]*]]} |
57 | // CHECK-DAG: [[SLDBG1]] = !DILocation(line: 100, scope: !{{.*}}) |
58 | // CHECK-DAG: [[ELDBG1]] = !DILocation(line: 104, scope: !{{.*}}) |
59 | |
60 | // CHECK-DAG: [[L2]] = distinct !{[[L2]], [[SLDBG2:![0-9]*]], [[ELDBG2:![0-9]*]]} |
61 | // CHECK-DAG: [[SLDBG2]] = !DILocation(line: 200, scope: !{{.*}}) |
62 | // CHECK-DAG: [[ELDBG2]] = !DILocation(line: 204, scope: !{{.*}}) |
63 | |
64 | // CHECK-DAG: [[L3]] = distinct !{[[L3]], [[SLDBG3:![0-9]*]], [[ELDBG3:![0-9]*]]} |
65 | // CHECK-DAG: [[SLDBG3]] = !DILocation(line: 300, scope: !{{.*}}) |
66 | // CHECK-DAG: [[ELDBG3]] = !DILocation(line: 304, scope: !{{.*}}) |
67 | |
68 | // CHECK-DAG: [[L4]] = distinct !{[[L4]], [[SLDBG4:![0-9]*]], [[ELDBG4:![0-9]*]]} |
69 | // CHECK-DAG: [[SLDBG4]] = !DILocation(line: 401, scope: !{{.*}}) |
70 | // CHECK-DAG: [[ELDBG4]] = !DILocation(line: 405, scope: !{{.*}}) |
71 | } |
72 | |