2 ; RUN: opt -S -passes='default<O3>' %s
3 %struct0 = type { i64, i64, i32, i64, i32 }
6 @g_6 = external dso_local global i32, align 1
7 @g_60 = external dso_local global i16, align 1
8 @g_79 = external dso_local global { i16, i16 }, align 1
9 @g_315 = external dso_local global %struct0, align 1
10 @g_359 = external dso_local global %struct0, align 1
12 define dso_local i16 @main(i16 %argc, ptr %argv) #0 {
14 %call2 = call i16 @func_1()
18 define internal i16 @func_1() #0 {
20 %call = call i16 @func_21(ptr undef, i32 undef, ptr undef)
24 define internal i16 @func_21(ptr %p_22, i32 %p_23, ptr %p_24) #0 {
26 call void @func_34(ptr align 1 undef, i32 undef, i32 undef, ptr @g_6, ptr byval(%union0) align 1 undef)
30 define internal void @func_34(ptr %agg.result, i32 %p_35, i32 %p_36, ptr %p_37, ptr %p_38) #0 {
32 %p_37.addr = alloca ptr, align 1
33 %cleanup.dest.slot = alloca i32, align 1
34 store ptr %p_37, ptr %p_37.addr, align 1
37 lbl_898: ; preds = %cleanup3097, %entry
40 lbl_1111: ; preds = %cleanup3097, %lbl_898
41 %0 = load i32, ptr getelementptr inbounds (%struct0, ptr @g_359, i32 0, i32 4), align 1
42 %tobool1833 = icmp ne i32 %0, 0
43 br i1 %tobool1833, label %land.rhs1834, label %land.end1851
45 land.rhs1834: ; preds = %lbl_1111
46 store i16 0, ptr @g_60, align 1
47 br label %land.end1851
49 land.end1851: ; preds = %land.rhs1834, %lbl_1111
50 %1 = load ptr, ptr %p_37.addr, align 1
51 %2 = load i32, ptr %1, align 1
52 %tobool2351 = icmp ne i32 %2, 0
53 br i1 %tobool2351, label %if.then2352, label %if.else3029
55 if.then2352: ; preds = %land.end1851
56 %3 = load i16, ptr getelementptr inbounds ({ i16, i16 }, ptr @g_79, i32 0, i32 0), align 1, !tbaa !1
57 %tobool3011 = icmp ne i16 %3, 0
58 call void @llvm.assume(i1 %tobool3011)
59 store i32 11, ptr %cleanup.dest.slot, align 1
62 if.else3029: ; preds = %land.end1851
63 store i32 3, ptr getelementptr inbounds (%struct0, ptr @g_315, i32 0, i32 4), align 1
64 store i32 132, ptr %cleanup.dest.slot, align 1
67 cleanup3097: ; preds = %if.else3029, %if.then2352
68 %cleanup.dest3113 = load i32, ptr %cleanup.dest.slot, align 1
69 switch i32 %cleanup.dest3113, label %cleanup3402 [
70 i32 132, label %lbl_1111
71 i32 11, label %lbl_898
74 cleanup3402: ; preds = %cleanup3097
78 ; Function Attrs: nofree nosync nounwind willreturn
79 declare void @llvm.assume(i1 noundef) #1
81 attributes #0 = { "use-soft-float"="false" }
82 attributes #1 = { nofree nosync nounwind willreturn }
86 !0 = !{!"clang version 13.0.0"}
88 !2 = !{!"omnipotent char", !3, i64 0}
89 !3 = !{!"Simple C/C++ TBAA"}