1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-rotate -loop-reduce -verify-dom-info -verify-loop-info -disable-output 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine fastcc void @foo() nounwind { 4*9880d681SAndroid Build Coastguard WorkerBB: 5*9880d681SAndroid Build Coastguard Worker br label %BB1 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard WorkerBB1: ; preds = %BB19, %BB 8*9880d681SAndroid Build Coastguard Worker br label %BB4 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard WorkerBB2: ; preds = %BB4 11*9880d681SAndroid Build Coastguard Worker %tmp = bitcast i32 undef to i32 ; <i32> [#uses=1] 12*9880d681SAndroid Build Coastguard Worker br label %BB4 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard WorkerBB4: ; preds = %BB3, %BB1 15*9880d681SAndroid Build Coastguard Worker %tmp5 = phi i32 [ undef, %BB1 ], [ %tmp, %BB2 ] ; <i32> [#uses=1] 16*9880d681SAndroid Build Coastguard Worker br i1 false, label %BB8, label %BB2 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard WorkerBB8: ; preds = %BB6 19*9880d681SAndroid Build Coastguard Worker %tmp7 = bitcast i32 %tmp5 to i32 ; <i32> [#uses=2] 20*9880d681SAndroid Build Coastguard Worker br i1 false, label %BB9, label %BB13 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard WorkerBB9: ; preds = %BB12, %BB8 23*9880d681SAndroid Build Coastguard Worker %tmp10 = phi i32 [ %tmp11, %BB12 ], [ %tmp7, %BB8 ] ; <i32> [#uses=2] 24*9880d681SAndroid Build Coastguard Worker %tmp11 = add i32 %tmp10, 1 ; <i32> [#uses=1] 25*9880d681SAndroid Build Coastguard Worker br label %BB12 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard WorkerBB12: ; preds = %BB9 28*9880d681SAndroid Build Coastguard Worker br i1 false, label %BB9, label %BB17 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard WorkerBB13: ; preds = %BB15, %BB8 31*9880d681SAndroid Build Coastguard Worker %tmp14 = phi i32 [ %tmp16, %BB15 ], [ %tmp7, %BB8 ] ; <i32> [#uses=1] 32*9880d681SAndroid Build Coastguard Worker br label %BB15 33*9880d681SAndroid Build Coastguard Worker 34*9880d681SAndroid Build Coastguard WorkerBB15: ; preds = %BB13 35*9880d681SAndroid Build Coastguard Worker %tmp16 = add i32 %tmp14, -1 ; <i32> [#uses=1] 36*9880d681SAndroid Build Coastguard Worker br i1 false, label %BB13, label %BB18 37*9880d681SAndroid Build Coastguard Worker 38*9880d681SAndroid Build Coastguard WorkerBB17: ; preds = %BB12 39*9880d681SAndroid Build Coastguard Worker br label %BB19 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard WorkerBB18: ; preds = %BB15 42*9880d681SAndroid Build Coastguard Worker br label %BB19 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard WorkerBB19: ; preds = %BB18, %BB17 45*9880d681SAndroid Build Coastguard Worker %tmp20 = phi i32 [ %tmp10, %BB17 ], [ undef, %BB18 ] ; <i32> [#uses=0] 46*9880d681SAndroid Build Coastguard Worker br label %BB1 47*9880d681SAndroid Build Coastguard Worker} 48