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1; REQUIRES: asserts2; RUN: opt -S -passes='default<O3>' %s3%struct0 = type { i64, i64, i32, i64, i32 }4%union0 = type { i32 }5 6@g_6 = external dso_local global i32, align 17@g_60 = external dso_local global i16, align 18@g_79 = external dso_local global { i16, i16 }, align 19@g_315 = external dso_local global %struct0, align 110@g_359 = external dso_local global %struct0, align 111 12define dso_local i16 @main(i16 %argc, ptr %argv) #0 {13entry:14 %call2 = call i16 @func_1()15 unreachable16}17 18define internal i16 @func_1() #0 {19entry:20 %call = call i16 @func_21(ptr undef, i32 undef, ptr undef)21 ret i16 undef22}23 24define internal i16 @func_21(ptr %p_22, i32 %p_23, ptr %p_24) #0 {25entry:26 call void @func_34(ptr align 1 undef, i32 undef, i32 undef, ptr @g_6, ptr byval(%union0) align 1 undef)27 unreachable28}29 30define internal void @func_34(ptr %agg.result, i32 %p_35, i32 %p_36, ptr %p_37, ptr %p_38) #0 {31entry:32 %p_37.addr = alloca ptr, align 133 %cleanup.dest.slot = alloca i32, align 134 store ptr %p_37, ptr %p_37.addr, align 135 br label %lbl_89836 37lbl_898: ; preds = %cleanup3097, %entry38 br label %lbl_111139 40lbl_1111: ; preds = %cleanup3097, %lbl_89841 %0 = load i32, ptr getelementptr inbounds (%struct0, ptr @g_359, i32 0, i32 4), align 142 %tobool1833 = icmp ne i32 %0, 043 br i1 %tobool1833, label %land.rhs1834, label %land.end185144 45land.rhs1834: ; preds = %lbl_111146 store i16 0, ptr @g_60, align 147 br label %land.end185148 49land.end1851: ; preds = %land.rhs1834, %lbl_111150 %1 = load ptr, ptr %p_37.addr, align 151 %2 = load i32, ptr %1, align 152 %tobool2351 = icmp ne i32 %2, 053 br i1 %tobool2351, label %if.then2352, label %if.else302954 55if.then2352: ; preds = %land.end185156 %3 = load i16, ptr @g_79, align 1, !tbaa !157 %tobool3011 = icmp ne i16 %3, 058 call void @llvm.assume(i1 %tobool3011)59 store i32 11, ptr %cleanup.dest.slot, align 160 br label %cleanup309761 62if.else3029: ; preds = %land.end185163 store i32 3, ptr getelementptr inbounds (%struct0, ptr @g_315, i32 0, i32 4), align 164 store i32 132, ptr %cleanup.dest.slot, align 165 br label %cleanup309766 67cleanup3097: ; preds = %if.else3029, %if.then235268 %cleanup.dest3113 = load i32, ptr %cleanup.dest.slot, align 169 switch i32 %cleanup.dest3113, label %cleanup3402 [70 i32 132, label %lbl_111171 i32 11, label %lbl_89872 ]73 74cleanup3402: ; preds = %cleanup309775 ret void76}77 78; Function Attrs: nofree nosync nounwind willreturn79declare void @llvm.assume(i1 noundef) #180 81attributes #0 = { "use-soft-float"="false" }82attributes #1 = { nofree nosync nounwind willreturn }83 84!llvm.ident = !{!0}85 86!0 = !{!"clang version 13.0.0"}87!1 = !{!2, !2, i64 0}88!2 = !{!"omnipotent char", !3, i64 0}89!3 = !{!"Simple C/C++ TBAA"}90