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 @meread_() nounwind { 8 entry: 9 br label %bb23 10 11 bb23: 12 br label %bb.i 13 14 bb.i: ; preds = %bb.i, %bb54 15 br label %pflini_.exit 16 17 pflini_.exit: ; preds = %bb.i 18 br label %bb58thread-split 19 20 bb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit 21 br label %bb58 22 23 bb58: ; preds = %bb60, %bb58thread-split 24 br i1 1, label %bb59, label %bb23 25 26 bb59: ; preds = %bb58 27 switch i32 1, label %bb60 [ 28 i32 1, label %l98 29 ] 30 31 bb60: ; preds = %bb59 32 br i1 1, label %bb61, label %bb58 33 34 bb61: ; preds = %bb60 35 br label %bb58thread-split 36 37 l98: ; preds = %bb69, %bb59 38 ret void 39 } 40 ; CHECK-NOT: => 41 ; CHECK: [0] entry => <Function Return> 42 ; CHECK: [1] bb23 => l98 43 ; STAT: 2 region - The # of regions 44 ; STAT: 1 region - The # of simple regions 45 46 ; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98, 47 ; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, 48 49 ; RNIT: entry, bb23 => l98, l98, 50 ; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, 51
