|  | ; RUN: llc -O0 < %s -o /dev/null | 
|  | ; Ignore unreachable scopes. | 
|  | declare void @foo(i32) noreturn | 
|  |  | 
|  | define i32 @bar() nounwind ssp { | 
|  | entry: | 
|  | br i1 undef, label %bb, label %bb11, !dbg !0 | 
|  |  | 
|  | bb:                                               ; preds = %entry | 
|  | call void @foo(i32 0) noreturn nounwind, !dbg !7 | 
|  | unreachable, !dbg !7 | 
|  |  | 
|  | bb11:                                             ; preds = %entry | 
|  | ret i32 1, !dbg !11 | 
|  | } | 
|  |  | 
|  | !0 = metadata !{i32 8647, i32 0, metadata !1, null} | 
|  | !1 = metadata !{i32 458763, metadata !2}          ; [ DW_TAG_lexical_block ] | 
|  | !2 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar", metadata !"bar", metadata !"bar", metadata !3, i32 8639, metadata !4, i1 true, i1 true, i32 0, i32 0, null} ; [ DW_TAG_subprogram ] | 
|  | !3 = metadata !{i32 458769, i32 0, i32 1, metadata !"c-parser.c", metadata !"llvmgcc", metadata !"LLVM build 00", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] | 
|  | !4 = metadata !{i32 458773, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0} ; [ DW_TAG_subroutine_type ] | 
|  | !5 = metadata !{metadata !6} | 
|  | !6 = metadata !{i32 458788, metadata !3, metadata !"char", metadata !3, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] | 
|  | !7 = metadata !{i32 8648, i32 0, metadata !8, null} | 
|  | !8 = metadata !{i32 458763, metadata !9}          ; [ DW_TAG_lexical_block ] | 
|  | !9 = metadata !{i32 458763, metadata !10}         ; [ DW_TAG_lexical_block ] | 
|  | !10 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar2", metadata !"bar2", metadata !"bar2", metadata !3, i32 8639, metadata !4, i1 true, i1 true, i32 0, i32 0, null} ; [ DW_TAG_subprogram ] | 
|  | !11 = metadata !{i32 8652, i32 0, metadata !1, null} |