; RUN: llc %s -mtriple=i386-apple-macosx10.6.7 -o /dev/null

; This used to crash because early dup was not ignoring debug instructions.

%struct.cpp_dir = type { %struct.cpp_dir*, i8*, i32, i8, i8**, i8*, i8* (i8*, %struct.cpp_dir*)*, i64, i32, i8 }

declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone

define internal i8* @framework_construct_pathname(i8* %fname, %struct.cpp_dir* %dir) nounwind ssp {
entry:
  br i1 undef, label %bb33, label %bb

bb:                                               ; preds = %entry
  %tmp = icmp eq i32 undef, 0
  %tmp1 = add i32 0, 11
  call void @llvm.dbg.value(metadata !{i32 %tmp1}, i64 0, metadata !0)
  br i1 undef, label %bb18, label %bb31.preheader

bb31.preheader:                                   ; preds = %bb19, %bb
  %tmp2 = getelementptr inbounds i8* %fname, i32 0
  br label %bb31

bb18:                                             ; preds = %bb
  %tmp3 = icmp eq i32 undef, 0
  br i1 %tmp3, label %bb19, label %bb33

bb19:                                             ; preds = %bb18
  call void @foobar(i32 0)
  br label %bb31.preheader

bb22:                                             ; preds = %bb31
  %tmp4 = add i32 0, %tmp1
  call void @foobar(i32 %tmp4)
  br i1 undef, label %bb33, label %bb31

bb31:                                             ; preds = %bb22, %bb31.preheader
  br i1 false, label %bb33, label %bb22

bb33:                                             ; preds = %bb31, %bb22, %bb18, %entry
  ret i8* undef
}

declare void @foobar(i32)

!llvm.dbg.cu = !{!4}
!llvm.module.flags = !{!47}
!0 = metadata !{i32 590080, metadata !1, metadata !"frname_len", metadata !3, i32 517, metadata !38, i32 0} ; [ DW_TAG_auto_variable ]
!1 = metadata !{i32 589835, metadata !44, metadata !2, i32 515, i32 0, i32 19} ; [ DW_TAG_lexical_block ]
!2 = metadata !{i32 589870, metadata !44, null, metadata !"framework_construct_pathname", metadata !"framework_construct_pathname", metadata !"", i32 515, metadata !5, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 true, i8* (i8*, %struct.cpp_dir*)* @framework_construct_pathname, null, null, null, i32 0} ; [ DW_TAG_subprogram ]
!3 = metadata !{i32 589865, metadata !44}  ; [ DW_TAG_file_type ]
!4 = metadata !{i32 589841, metadata !44, i32 1, metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, metadata !"", i32 0, metadata !46, metadata !46, metadata !45, null, null, metadata !""} ; [ DW_TAG_compile_unit ]
!5 = metadata !{i32 589845, metadata !44, metadata !3, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !6, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!6 = metadata !{metadata !7, metadata !9, metadata !11}
!7 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_pointer_type ]
!8 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
!9 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ]
!10 = metadata !{i32 589862, metadata !44, metadata !3, metadata !"", i32 0, i64 8, i64 8, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ]
!11 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !12} ; [ DW_TAG_pointer_type ]
!12 = metadata !{i32 589846, metadata !41, metadata !13, metadata !"cpp_dir", i32 45, i64 0, i64 0, i64 0, i32 0, metadata !14} ; [ DW_TAG_typedef ]
!13 = metadata !{i32 589865, metadata !41} ; [ DW_TAG_file_type ]
!14 = metadata !{i32 589843, metadata !41, metadata !3, metadata !"cpp_dir", i32 43, i64 352, i64 32, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [cpp_dir] [line 43, size 352, align 32, offset 0] [def] [from ]
!15 = metadata !{metadata !16, metadata !18, metadata !19, metadata !21, metadata !23, metadata !25, metadata !27, metadata !29, metadata !33, metadata !36}
!16 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"next", i32 572, i64 32, i64 32, i64 0, i32 0, metadata !17} ; [ DW_TAG_member ]
!17 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !14} ; [ DW_TAG_pointer_type ]
!18 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"name", i32 575, i64 32, i64 32, i64 32, i32 0, metadata !7} ; [ DW_TAG_member ]
!19 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"len", i32 576, i64 32, i64 32, i64 64, i32 0, metadata !20} ; [ DW_TAG_member ]
!20 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"unsigned int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
!21 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"sysp", i32 580, i64 8, i64 8, i64 96, i32 0, metadata !22} ; [ DW_TAG_member ]
!22 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"unsigned char", i32 0, i64 8, i64 8, i64 0, i32 0, i32 8} ; [ DW_TAG_base_type ]
!23 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"name_map", i32 584, i64 32, i64 32, i64 128, i32 0, metadata !24} ; [ DW_TAG_member ]
!24 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !9} ; [ DW_TAG_pointer_type ]
!25 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"header_map", i32 590, i64 32, i64 32, i64 160, i32 0, metadata !26} ; [ DW_TAG_member ]
!26 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
!27 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"construct", i32 597, i64 32, i64 32, i64 192, i32 0, metadata !28} ; [ DW_TAG_member ]
!28 = metadata !{i32 589839, metadata !44, metadata !3, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, metadata !5} ; [ DW_TAG_pointer_type ]
!29 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"ino", i32 601, i64 64, i64 64, i64 224, i32 0, metadata !30} ; [ DW_TAG_member ]
!30 = metadata !{i32 589846, metadata !42, metadata !31, metadata !"ino_t", i32 141, i64 0, i64 0, i64 0, i32 0, metadata !32} ; [ DW_TAG_typedef ]
!31 = metadata !{i32 589865, metadata !42} ; [ DW_TAG_file_type ]
!32 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"long long unsigned int", i32 0, i64 64, i64 64, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
!33 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"dev", i32 602, i64 32, i64 32, i64 288, i32 0, metadata !34} ; [ DW_TAG_member ]
!34 = metadata !{i32 589846, metadata !42, metadata !31, metadata !"dev_t", i32 107, i64 0, i64 0, i64 0, i32 0, metadata !35} ; [ DW_TAG_typedef ]
!35 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!36 = metadata !{i32 589837, metadata !41, metadata !14, metadata !"user_supplied_p", i32 605, i64 8, i64 8, i64 320, i32 0, metadata !37} ; [ DW_TAG_member ]
!37 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"_Bool", i32 0, i64 8, i64 8, i64 0, i32 0, i32 2} ; [ DW_TAG_base_type ]
!38 = metadata !{i32 589846, metadata !43, metadata !39, metadata !"size_t", i32 326, i64 0, i64 0, i64 0, i32 0, metadata !40} ; [ DW_TAG_typedef ]
!39 = metadata !{i32 589865, metadata !43} ; [ DW_TAG_file_type ]
!40 = metadata !{i32 589860, metadata !44, metadata !3, metadata !"long unsigned int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
!41 = metadata !{metadata !"cpplib.h", metadata !"/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/../libcpp/include"}
!42 = metadata !{metadata !"types.h", metadata !"/usr/include/sys"}
!43 = metadata !{metadata !"stddef.h", metadata !"/Users/espindola/llvm/build-llvm-gcc/./prev-gcc/include"}
!44 = metadata !{metadata !"darwin-c.c", metadata !"/Users/espindola/llvm/build-llvm-gcc/gcc/../../llvm-gcc-4.2/gcc/config"}
!45 = metadata !{metadata !2}
!46 = metadata !{i32 0}
!47 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}