| ; RUN: opt -regions -analyze < %s | FileCheck %s |
| ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s |
| ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s |
| ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s |
| |
| define void @a_linear_impl_fig_1() nounwind { |
| 0: |
| br label %"1" |
| 1: |
| br label %"2" |
| 2: |
| br label %"3" |
| 3: |
| br i1 1, label %"13", label %"4" |
| 4: |
| br i1 1, label %"5", label %"1" |
| 5: |
| br i1 1, label %"8", label %"6" |
| 6: |
| br i1 1, label %"7", label %"4" |
| 7: |
| ret void |
| 8: |
| br i1 1, label %"9", label %"1" |
| 9: |
| br label %"10" |
| 10: |
| br i1 1, label %"12", label %"11" |
| 11: |
| br i1 1, label %"9", label %"8" |
| 13: |
| br i1 1, label %"2", label %"1" |
| 12: |
| switch i32 0, label %"1" [ i32 0, label %"9" |
| i32 1, label %"8"] |
| } |
| |
| ; CHECK-NOT: => |
| ; CHECK: [0] 0 => <Function Return> |
| ; CHECK-NEXT: [1] 1 => 7 |
| ; CHECK-NEXT: [2] 1 => 4 |
| ; CHECK-NEXT: [2] 8 => 1 |
| |
| ; STAT: 4 region - The # of regions |
| ; STAT: 1 region - The # of simple regions |
| |
| ; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7, |
| ; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, |
| ; BBIT: 1, 2, 3, 13, |
| ; BBIT: 8, 9, 10, 12, 11, |
| |
| ; RNIT: 0, 1 => 7, 7, |
| ; RNIT: 1 => 4, 4, 5, 8 => 1, 6, |
| ; RNIT: 1, 2, 3, 13, |
| ; RNIT: 8, 9, 10, 12, 11, |
