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      1 ; REQUIRES: object-emission
      2 
      3 ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s \
      4 ; RUN:     | llvm-dwarfdump -debug-dump=info - | FileCheck %s
      5 
      6 ; CHECK: DW_TAG_lexical_block
      7 ; CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr]
      8 ; CHECK-NEXT: DW_AT_high_pc [DW_FORM_data4]
      9 
     10 ; Test case produced from:
     11 ; void b() {
     12 ;   if (int i = 3)
     13 ;     return;
     14 ; }
     15 
     16 ; Function Attrs: nounwind uwtable
     17 define void @_Z1bv() #0 {
     18 entry:
     19   %i = alloca i32, align 4
     20   call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !11), !dbg !14
     21   store i32 3, i32* %i, align 4, !dbg !14
     22   %0 = load i32* %i, align 4, !dbg !14
     23   %tobool = icmp ne i32 %0, 0, !dbg !14
     24   br i1 %tobool, label %if.then, label %if.end, !dbg !14
     25 
     26 if.then:                                          ; preds = %entry
     27   br label %if.end, !dbg !15
     28 
     29 if.end:                                           ; preds = %if.then, %entry
     30   ret void, !dbg !16
     31 }
     32 
     33 ; Function Attrs: nounwind readnone
     34 declare void @llvm.dbg.declare(metadata, metadata) #1
     35 
     36 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     37 attributes #1 = { nounwind readnone }
     38 
     39 !llvm.dbg.cu = !{!0}
     40 !llvm.module.flags = !{!8, !9}
     41 !llvm.ident = !{!10}
     42 
     43 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/lexical_block.cpp] [DW_LANG_C_plus_plus]
     44 !1 = metadata !{metadata !"lexical_block.cpp", metadata !"/tmp/dbginfo"}
     45 !2 = metadata !{}
     46 !3 = metadata !{metadata !4}
     47 !4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"b", metadata !"b", metadata !"_Z1bv", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z1bv, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [b]
     48 !5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/dbginfo/lexical_block.cpp]
     49 !6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
     50 !7 = metadata !{null}
     51 !8 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
     52 !9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
     53 !10 = metadata !{metadata !"clang version 3.5.0 "}
     54 !11 = metadata !{i32 786688, metadata !12, metadata !"i", metadata !5, i32 2, metadata !13, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 2]
     55 !12 = metadata !{i32 786443, metadata !1, metadata !4, i32 2, i32 0, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/lexical_block.cpp]
     56 !13 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
     57 !14 = metadata !{i32 2, i32 0, metadata !12, null}
     58 !15 = metadata !{i32 3, i32 0, metadata !12, null}
     59 !16 = metadata !{i32 4, i32 0, metadata !4, null}
     60