1 ; RUN: opt -regions -analyze < %s | FileCheck %s 2 ; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s 3 ; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s 4 ; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s 5 6 define void @MAIN__() nounwind { 7 entry: 8 br label %__label_002001.outer 9 10 __label_002001.outer: ; preds = %bb236, %bb92 11 br label %__label_002001 12 13 __label_002001: ; preds = %bb229, %__label_002001.outer 14 br i1 1, label %bb93, label %__label_000020 15 16 bb93: ; preds = %__label_002001 17 br i1 1, label %__label_000020, label %bb197 18 19 bb197: ; preds = %bb193 20 br i1 1, label %bb229, label %bb224 21 22 bb224: ; preds = %bb223, %bb227 23 br i1 1, label %bb229, label %bb224 24 25 bb229: ; preds = %bb227, %bb223 26 br i1 1, label %__label_002001, label %__label_002001.outer 27 28 __label_000020: ; preds = %__label_002001, %bb194 29 ret void 30 } 31 32 ; CHECK-NOT: => 33 ; CHECK: [0] entry => <Function Return> 34 ; CHECK-NEXT: [1] __label_002001.outer => __label_000020 35 ; CHECK-NEXT: [2] bb197 => bb229 36 ; CHECK-NEXT: [3] bb224 => bb229 37 38 ; STAT: 4 region - The # of regions 39 ; STAT: 1 region - The # of simple regions 40 41 ; BBIT: entry, __label_002001.outer, __label_002001, bb93, __label_000020, bb197, bb229, bb224, 42 ; BBIT: __label_002001.outer, __label_002001, bb93, bb197, bb229, bb224, 43 ; BBIT: bb197, bb224, 44 ; BBIT: bb224, 45 46 ; RNIT: entry, __label_002001.outer => __label_000020, __label_000020, 47 ; RNIT: __label_002001.outer, __label_002001, bb93, bb197 => bb229, bb229, 48 ; RNIT: bb197, bb224 => bb229, 49 ; RNIT: bb224, 50
