| 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 | |