1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=x86-64 -mcpu=corei7 -disable-cgp-select2branch < %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; We should not crash on this test. 4*9880d681SAndroid Build Coastguard Worker 5*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-f80:128:128-n8:16:32" 6*9880d681SAndroid Build Coastguard Workertarget triple = "i386-apple-darwin9.0.0" 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker@global = external constant [411 x i8], align 1 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine void @snork() nounwind { 11*9880d681SAndroid Build Coastguard Workerbb: 12*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb26, label %bb27 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerbb26: ; preds = %bb48, %bb26, %bb 15*9880d681SAndroid Build Coastguard Worker switch i32 undef, label %bb26 [ 16*9880d681SAndroid Build Coastguard Worker i32 142771596, label %bb28 17*9880d681SAndroid Build Coastguard Worker ] 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerbb27: ; preds = %bb48, %bb 20*9880d681SAndroid Build Coastguard Worker switch i32 undef, label %bb49 [ 21*9880d681SAndroid Build Coastguard Worker i32 142771596, label %bb28 22*9880d681SAndroid Build Coastguard Worker ] 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Workerbb28: ; preds = %bb27, %bb26 25*9880d681SAndroid Build Coastguard Worker %tmp = load i32, i32* null 26*9880d681SAndroid Build Coastguard Worker %tmp29 = trunc i32 %tmp to i8 27*9880d681SAndroid Build Coastguard Worker store i8* undef, i8** undef 28*9880d681SAndroid Build Coastguard Worker %tmp30 = load i32, i32* null 29*9880d681SAndroid Build Coastguard Worker %tmp31 = icmp eq i32 %tmp30, 0 30*9880d681SAndroid Build Coastguard Worker %tmp32 = getelementptr inbounds [411 x i8], [411 x i8]* @global, i32 0, i32 undef 31*9880d681SAndroid Build Coastguard Worker %tmp33 = load i8, i8* %tmp32, align 1 32*9880d681SAndroid Build Coastguard Worker %tmp34 = getelementptr inbounds [411 x i8], [411 x i8]* @global, i32 0, i32 0 33*9880d681SAndroid Build Coastguard Worker %tmp35 = load i8, i8* %tmp34, align 1 34*9880d681SAndroid Build Coastguard Worker %tmp36 = select i1 %tmp31, i8 %tmp35, i8 %tmp33 35*9880d681SAndroid Build Coastguard Worker %tmp37 = select i1 undef, i8 %tmp29, i8 %tmp36 36*9880d681SAndroid Build Coastguard Worker %tmp38 = zext i8 %tmp37 to i32 37*9880d681SAndroid Build Coastguard Worker %tmp39 = select i1 undef, i32 0, i32 %tmp38 38*9880d681SAndroid Build Coastguard Worker %tmp40 = getelementptr inbounds i32, i32* null, i32 %tmp39 39*9880d681SAndroid Build Coastguard Worker %tmp41 = load i32, i32* %tmp40, align 4 40*9880d681SAndroid Build Coastguard Worker %tmp42 = load i32, i32* undef, align 4 41*9880d681SAndroid Build Coastguard Worker %tmp43 = load i32, i32* undef 42*9880d681SAndroid Build Coastguard Worker %tmp44 = xor i32 %tmp42, %tmp43 43*9880d681SAndroid Build Coastguard Worker %tmp45 = lshr i32 %tmp44, 8 44*9880d681SAndroid Build Coastguard Worker %tmp46 = lshr i32 %tmp44, 7 45*9880d681SAndroid Build Coastguard Worker call void @spam() 46*9880d681SAndroid Build Coastguard Worker unreachable 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Workerbb47: ; No predecessors! 49*9880d681SAndroid Build Coastguard Worker ret void 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Workerbb48: ; No predecessors! 52*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb27, label %bb26 53*9880d681SAndroid Build Coastguard Worker 54*9880d681SAndroid Build Coastguard Workerbb49: ; preds = %bb49, %bb27 55*9880d681SAndroid Build Coastguard Worker br label %bb49 56*9880d681SAndroid Build Coastguard Worker 57*9880d681SAndroid Build Coastguard Workerbb50: ; preds = %bb50 58*9880d681SAndroid Build Coastguard Worker br label %bb50 59*9880d681SAndroid Build Coastguard Worker} 60*9880d681SAndroid Build Coastguard Worker 61*9880d681SAndroid Build Coastguard Workerdeclare void @spam() noreturn nounwind 62