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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
74 lines
3.4 KiB
LLVM
74 lines
3.4 KiB
LLVM
; For http://llvm.org/bugs/show_bug.cgi?id=12942
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; There are two CUs coming from /tmp/foo.c in this module. Make sure it doesn't
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; blow llc up and produces something reasonable.
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;
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; REQUIRES: object-emission
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; RUN: %llc_dwarf %s -o %t -filetype=obj -O0
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; ModuleID = 'test.bc'
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@str = private unnamed_addr constant [4 x i8] c"FOO\00"
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@str1 = private unnamed_addr constant [6 x i8] c"Main!\00"
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define void @foo() nounwind {
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entry:
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([4 x i8]* @str, i32 0, i32 0)), !dbg !23
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ret void, !dbg !25
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}
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declare i32 @puts(i8* nocapture) nounwind
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define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !26
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tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !22, metadata !{!"0x102"}), !dbg !27
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%puts = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @str1, i32 0, i32 0)), !dbg !28
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tail call void @foo() nounwind, !dbg !30
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ret i32 0, !dbg !31
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0, !9}
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!llvm.module.flags = !{!33}
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!0 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !3, !1, !1} ; [ DW_TAG_compile_unit ]
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!1 = !{}
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!3 = !{!5}
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!5 = !{!"0x2e\00foo\00foo\00\005\000\001\000\006\00256\001\005", !32, !6, !7, null, void ()* @foo, null, null, !1} ; [ DW_TAG_subprogram ]
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!6 = !{!"0x29", !32} ; [ 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 = !{null}
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!9 = !{!"0x11\0012\00clang version 3.2 (trunk 156513)\001\00\000\00\001", !32, !1, !1, !10, !1, !1} ; [ DW_TAG_compile_unit ]
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!10 = !{!12}
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!12 = !{!"0x2e\00main\00main\00\0011\000\001\000\006\00256\001\0011", !32, !6, !13, null, i32 (i32, i8**)* @main, null, null, !19} ; [ DW_TAG_subprogram ]
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!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!14 = !{!15, !15, !16}
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!15 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
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!16 = !{!"0xf\00\000\0032\0032\000\000", null, null, !17} ; [ DW_TAG_pointer_type ]
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!17 = !{!"0xf\00\000\0032\0032\000\000", null, null, !18} ; [ DW_TAG_pointer_type ]
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!18 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
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!19 = !{!21, !22}
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!21 = !{!"0x101\00argc\0016777227\000", !12, !6, !15} ; [ DW_TAG_arg_variable ]
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!22 = !{!"0x101\00argv\0033554443\000", !12, !6, !16} ; [ DW_TAG_arg_variable ]
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!23 = !MDLocation(line: 6, column: 3, scope: !24)
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!24 = !{!"0xb\005\0016\000", !32, !5} ; [ DW_TAG_lexical_block ]
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!25 = !MDLocation(line: 7, column: 1, scope: !24)
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!26 = !MDLocation(line: 11, column: 14, scope: !12)
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!27 = !MDLocation(line: 11, column: 26, scope: !12)
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!28 = !MDLocation(line: 12, column: 3, scope: !29)
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!29 = !{!"0xb\0011\0034\000", !32, !12} ; [ DW_TAG_lexical_block ]
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!30 = !MDLocation(line: 13, column: 3, scope: !29)
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!31 = !MDLocation(line: 14, column: 3, scope: !29)
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!32 = !{!"foo.c", !"/tmp"}
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; This test is simple to be cross platform (many targets don't yet have
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; sufficiently good DWARF emission and/or dumping)
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; CHECK: {{DW_TAG_compile_unit}}
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; CHECK: {{foo\.c}}
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!33 = !{i32 1, !"Debug Info Version", i32 2}
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