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37ac8d3622
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
2.1 KiB
LLVM
41 lines
2.1 KiB
LLVM
; RUN: llc -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; Make sure that the base type from the subrange type has a name.
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; CHECK: DW_TAG_subrange_type
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; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]+}} => {[[SUBTYPE:0x[0-9a-f]*]]})
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; CHECK: [[SUBTYPE]]: DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name
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define i32 @main() nounwind uwtable {
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entry:
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%retval = alloca i32, align 4
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%i = alloca [2 x i32], align 4
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store i32 0, i32* %retval
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call void @llvm.dbg.declare(metadata [2 x i32]* %i, metadata !10, metadata !{!"0x102"}), !dbg !15
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ret i32 0, !dbg !16
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!18}
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!0 = !{!"0x11\0012\00clang version 3.3 (trunk 171472) (llvm/trunk 171487)\000\00\000\00\000", !17, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99]
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!1 = !{}
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!3 = !{!5}
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!5 = !{!"0x2e\00main\00main\00\002\000\001\000\006\00256\000\003", !6, !6, !7, null, i32 ()* @main, null, null, !1} ; [ DW_TAG_subprogram ] [line 2] [def] [scope 3] [main]
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!6 = !{!"0x29", !17} ; [ DW_TAG_file_type ]
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!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = !{!9}
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!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = !{!"0x100\00i\004\000", !11, !6, !12} ; [ DW_TAG_auto_variable ] [i] [line 4]
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!11 = !{!"0xb\003\000\000", !6, !5} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/echristo/tmp/foo.c]
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!12 = !{!"0x1\00\000\0064\0032\000\000", null, null, !9, !13, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 64, align 32, offset 0] [from int]
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!13 = !{!14}
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!14 = !{!"0x21\000\002"} ; [ DW_TAG_subrange_type ] [0, 1]
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!15 = !MDLocation(line: 4, scope: !11)
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!16 = !MDLocation(line: 6, scope: !11)
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!17 = !{!"foo.c", !"/usr/local/google/home/echristo/tmp"}
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!18 = !{i32 1, !"Debug Info Version", i32 2}
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