1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce -disable-output 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdefine void @try_swap() { 4*9880d681SAndroid Build Coastguard Workerentry: 5*9880d681SAndroid Build Coastguard Worker br i1 false, label %cond_continue.0.i, label %cond_false.0.i 6*9880d681SAndroid Build Coastguard Workercond_false.0.i: ; preds = %entry 7*9880d681SAndroid Build Coastguard Worker ret void 8*9880d681SAndroid Build Coastguard Workercond_continue.0.i: ; preds = %entry 9*9880d681SAndroid Build Coastguard Worker br i1 false, label %cond_continue.1.i, label %cond_false.1.i 10*9880d681SAndroid Build Coastguard Workercond_false.1.i: ; preds = %cond_continue.0.i 11*9880d681SAndroid Build Coastguard Worker ret void 12*9880d681SAndroid Build Coastguard Workercond_continue.1.i: ; preds = %cond_continue.0.i 13*9880d681SAndroid Build Coastguard Worker br i1 false, label %endif.3.i, label %else.0.i 14*9880d681SAndroid Build Coastguard Workerendif.3.i: ; preds = %cond_continue.1.i 15*9880d681SAndroid Build Coastguard Worker br i1 false, label %my_irand.exit82, label %endif.0.i62 16*9880d681SAndroid Build Coastguard Workerelse.0.i: ; preds = %cond_continue.1.i 17*9880d681SAndroid Build Coastguard Worker ret void 18*9880d681SAndroid Build Coastguard Workerendif.0.i62: ; preds = %endif.3.i 19*9880d681SAndroid Build Coastguard Worker ret void 20*9880d681SAndroid Build Coastguard Workermy_irand.exit82: ; preds = %endif.3.i 21*9880d681SAndroid Build Coastguard Worker br i1 false, label %else.2, label %then.4 22*9880d681SAndroid Build Coastguard Workerthen.4: ; preds = %my_irand.exit82 23*9880d681SAndroid Build Coastguard Worker ret void 24*9880d681SAndroid Build Coastguard Workerelse.2: ; preds = %my_irand.exit82 25*9880d681SAndroid Build Coastguard Worker br i1 false, label %find_affected_nets.exit, label %loopentry.1.i107.outer.preheader 26*9880d681SAndroid Build Coastguard Workerloopentry.1.i107.outer.preheader: ; preds = %else.2 27*9880d681SAndroid Build Coastguard Worker ret void 28*9880d681SAndroid Build Coastguard Workerfind_affected_nets.exit: ; preds = %else.2 29*9880d681SAndroid Build Coastguard Worker br i1 false, label %save_region_occ.exit, label %loopentry.1 30*9880d681SAndroid Build Coastguard Workersave_region_occ.exit: ; preds = %find_affected_nets.exit 31*9880d681SAndroid Build Coastguard Worker br i1 false, label %no_exit.1.preheader, label %loopexit.1 32*9880d681SAndroid Build Coastguard Workerloopentry.1: ; preds = %find_affected_nets.exit 33*9880d681SAndroid Build Coastguard Worker ret void 34*9880d681SAndroid Build Coastguard Workerno_exit.1.preheader: ; preds = %save_region_occ.exit 35*9880d681SAndroid Build Coastguard Worker ret void 36*9880d681SAndroid Build Coastguard Workerloopexit.1: ; preds = %save_region_occ.exit 37*9880d681SAndroid Build Coastguard Worker br i1 false, label %then.10, label %loopentry.3 38*9880d681SAndroid Build Coastguard Workerthen.10: ; preds = %loopexit.1 39*9880d681SAndroid Build Coastguard Worker ret void 40*9880d681SAndroid Build Coastguard Workerloopentry.3: ; preds = %endif.16, %loopexit.1 41*9880d681SAndroid Build Coastguard Worker %indvar342 = phi i32 [ %indvar.next343, %endif.16 ], [ 0, %loopexit.1 ] ; <i32> [#uses=2] 42*9880d681SAndroid Build Coastguard Worker br i1 false, label %loopexit.3, label %endif.16 43*9880d681SAndroid Build Coastguard Workerendif.16: ; preds = %loopentry.3 44*9880d681SAndroid Build Coastguard Worker %indvar.next343 = add i32 %indvar342, 1 ; <i32> [#uses=1] 45*9880d681SAndroid Build Coastguard Worker br label %loopentry.3 46*9880d681SAndroid Build Coastguard Workerloopexit.3: ; preds = %loopentry.3 47*9880d681SAndroid Build Coastguard Worker br label %loopentry.4 48*9880d681SAndroid Build Coastguard Workerloopentry.4: ; preds = %loopentry.4, %loopexit.3 49*9880d681SAndroid Build Coastguard Worker %indvar340 = phi i32 [ 0, %loopexit.3 ], [ %indvar.next341, %loopentry.4 ] ; <i32> [#uses=2] 50*9880d681SAndroid Build Coastguard Worker %tmp. = add i32 %indvar340, %indvar342 ; <i32> [#uses=1] 51*9880d681SAndroid Build Coastguard Worker %tmp.526 = load i32*, i32** null ; <i32*> [#uses=1] 52*9880d681SAndroid Build Coastguard Worker %gep.upgrd.1 = zext i32 %tmp. to i64 ; <i64> [#uses=1] 53*9880d681SAndroid Build Coastguard Worker %tmp.528 = getelementptr i32, i32* %tmp.526, i64 %gep.upgrd.1 ; <i32*> [#uses=1] 54*9880d681SAndroid Build Coastguard Worker store i32 0, i32* %tmp.528 55*9880d681SAndroid Build Coastguard Worker %indvar.next341 = add i32 %indvar340, 1 ; <i32> [#uses=1] 56*9880d681SAndroid Build Coastguard Worker br label %loopentry.4 57*9880d681SAndroid Build Coastguard Worker} 58