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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
17define void @_Z1bv() #0 {
18entry:
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
26if.then:                                          ; preds = %entry
27  br label %if.end, !dbg !15
28
29if.end:                                           ; preds = %if.then, %entry
30  ret void, !dbg !16
31}
32
33; Function Attrs: nounwind readnone
34declare void @llvm.dbg.declare(metadata, metadata) #1
35
36attributes #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" }
37attributes #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