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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
56 lines
2.3 KiB
LLVM
56 lines
2.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux-gnu %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; ModuleID = 'test.c'
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@GLB = common global i32 0, align 4
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define i32 @f() nounwind {
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%LOC = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %LOC, metadata !15, metadata !{!"0x102"}), !dbg !17
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%1 = load i32* @GLB, align 4, !dbg !18
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store i32 %1, i32* %LOC, align 4, !dbg !18
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%2 = load i32* @GLB, align 4, !dbg !19
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ret i32 %2, !dbg !19
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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 = !{!21}
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!0 = !{!"0x11\0012\00clang version 3.0 (trunk)\000\00\000\00\000", !20, !1, !1, !3, !12, !1} ; [ DW_TAG_compile_unit ]
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!1 = !{}
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!3 = !{!5}
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!5 = !{!"0x2e\00f\00f\00\003\000\001\000\006\000\000\000", !6, !6, !7, null, i32 ()* @f, null, null, null} ; [ DW_TAG_subprogram ] [line 3] [def] [scope 0] [f]
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!6 = !{!"0x29", !20} ; [ 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 ]
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!12 = !{!14}
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!14 = !{!"0x34\00GLB\00GLB\00\001\000\001", null, !6, !9, i32* @GLB, null} ; [ DW_TAG_variable ]
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!15 = !{!"0x100\00LOC\004\000", !16, !6, !9} ; [ DW_TAG_auto_variable ]
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!16 = !{!"0xb\003\009\000", !20, !5} ; [ DW_TAG_lexical_block ]
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!17 = !MDLocation(line: 4, column: 9, scope: !16)
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!18 = !MDLocation(line: 4, column: 23, scope: !16)
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!19 = !MDLocation(line: 5, column: 5, scope: !16)
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!20 = !{!"test.c", !"/work/llvm/vanilla/test/DebugInfo"}
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "GLB")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (1)
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "LOC")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_file [DW_FORM_data1] ("/work/llvm/vanilla/test/DebugInfo{{[/\\]}}test.c")
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (4)
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!21 = !{i32 1, !"Debug Info Version", i32 2}
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