1 ; REQUIRES: asserts 2 ; RUN: opt -regions -analyze < %s | FileCheck %s 3 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 4 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 5 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 6 7 define void @MAIN__() nounwind { 8 entry: 9 br label %__label_002001.outer 10 11 __label_002001.outer: ; preds = %bb236, %bb92 12 br label %__label_002001 13 14 __label_002001: ; preds = %bb229, %__label_002001.outer 15 br i1 1, label %bb93, label %__label_000020 16 17 bb93: ; preds = %__label_002001 18 br i1 1, label %__label_000020, label %bb197 19 20 bb197: ; preds = %bb193 21 br i1 1, label %bb229, label %bb224 22 23 bb224: ; preds = %bb223, %bb227 24 br i1 1, label %bb229, label %bb224 25 26 bb229: ; preds = %bb227, %bb223 27 br i1 1, label %__label_002001, label %__label_002001.outer 28 29 __label_000020: ; preds = %__label_002001, %bb194 30 ret void 31 } 32 33 ; CHECK-NOT: => 34 ; CHECK: [0] entry => <Function Return> 35 ; CHECK-NEXT: [1] __label_002001.outer => __label_000020 36 ; CHECK-NEXT: [2] bb197 => bb229 37 ; CHECK-NEXT: [3] bb224 => bb229 38 39 ; STAT: 4 region - The # of regions 40 ; STAT: 1 region - The # of simple regions 41 42 ; BBIT: entry, __label_002001.outer, __label_002001, bb93, __label_000020, bb197, bb229, bb224, 43 ; BBIT: __label_002001.outer, __label_002001, bb93, bb197, bb229, bb224, 44 ; BBIT: bb197, bb224, 45 ; BBIT: bb224, 46 47 ; RNIT: entry, __label_002001.outer => __label_000020, __label_000020, 48 ; RNIT: __label_002001.outer, __label_002001, bb93, bb197 => bb229, bb229, 49 ; RNIT: bb197, bb224 => bb229, 50 ; RNIT: bb224, 51
