| ; RUN: opt -regions -analyze < %s | FileCheck %s | |
| ; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s | |
| ; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s | |
| ; RUN: opt -regions -print-region-style=rn -analyze < %s |& 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, |