1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -indvars 2*9880d681SAndroid Build Coastguard Worker; PR4258 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" 4*9880d681SAndroid Build Coastguard Workertarget triple = "i386-pc-linux-gnu" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine void @0(i32*, i32*, i32, i32) nounwind { 7*9880d681SAndroid Build Coastguard Worker br i1 false, label %bb.nph1.preheader, label %.outer._crit_edge 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerbb.nph1.preheader: ; preds = %4 10*9880d681SAndroid Build Coastguard Worker %smax = select i1 false, i32 -1, i32 0 ; <i32> [#uses=1] 11*9880d681SAndroid Build Coastguard Worker %tmp12 = sub i32 0, %smax ; <i32> [#uses=1] 12*9880d681SAndroid Build Coastguard Worker br label %bb.nph1 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerbb.nph1: ; preds = %.outer, %bb.nph1.preheader 15*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb.nph3.preheader, label %.outer 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerbb.nph3.preheader: ; preds = %bb.nph1 18*9880d681SAndroid Build Coastguard Worker br label %bb.nph3 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerbb.nph3: ; preds = %bb.nph3, %bb.nph3.preheader 21*9880d681SAndroid Build Coastguard Worker %indvar7 = phi i32 [ %indvar.next8, %bb.nph3 ], [ 0, %bb.nph3.preheader ] ; <i32> [#uses=3] 22*9880d681SAndroid Build Coastguard Worker %tmp9 = mul i32 %indvar7, -1 ; <i32> [#uses=1] 23*9880d681SAndroid Build Coastguard Worker %tmp13 = add i32 %tmp9, %tmp12 ; <i32> [#uses=1] 24*9880d681SAndroid Build Coastguard Worker %tmp14 = add i32 %tmp13, -2 ; <i32> [#uses=1] 25*9880d681SAndroid Build Coastguard Worker %5 = icmp sgt i32 %tmp14, 0 ; <i1> [#uses=1] 26*9880d681SAndroid Build Coastguard Worker %indvar.next8 = add i32 %indvar7, 1 ; <i32> [#uses=1] 27*9880d681SAndroid Build Coastguard Worker br i1 %5, label %bb.nph3, label %.outer.loopexit 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker.outer.loopexit: ; preds = %bb.nph3 30*9880d681SAndroid Build Coastguard Worker %indvar7.lcssa = phi i32 [ %indvar7, %bb.nph3 ] ; <i32> [#uses=0] 31*9880d681SAndroid Build Coastguard Worker br label %.outer 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Worker.outer: ; preds = %.outer.loopexit, %bb.nph1 34*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb.nph1, label %.outer._crit_edge.loopexit 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker.outer._crit_edge.loopexit: ; preds = %.outer 37*9880d681SAndroid Build Coastguard Worker br label %.outer._crit_edge 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Worker.outer._crit_edge: ; preds = %.outer._crit_edge.loopexit, %4 40*9880d681SAndroid Build Coastguard Worker ret void 41*9880d681SAndroid Build Coastguard Worker} 42