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d66f7fe8a2
1> Use DebugInfoFinder to find debug info MDNodes.
2> Add disable-debug-info-verifier to disable verifying debug info.
3> Disable verifying for testing cases that fail (will update the testing cases
later on).
4> MDNodes generated by clang can have empty filename for TAG_inheritance and
TAG_friend, so DIType::Verify is modified accordingly.
Note that DebugInfoFinder does not list all debug info MDNode.
For example, clang can generate:
metadata !{i32 786468}, which will fail to verify.
This MDNode is used by debug info but not included in DebugInfoFinder.
This MDNode is generated as a temporary node in DIBuilder::createFunction
Value *TElts[] = { GetTagConstant(VMContext, DW_TAG_base_type) };
MDNode::getTemporary(VMContext, TElts)
llvm-svn: 186634
50 lines
2.6 KiB
LLVM
50 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-pc-linux-gnu -disable-debug-info-verifier %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), !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) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 786449, metadata !20, i32 12, metadata !"clang version 3.0 (trunk)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !12, metadata !12, metadata !""} ; [ DW_TAG_compile_unit ]
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!1 = metadata !{i32 0}
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!3 = metadata !{metadata !5}
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!5 = metadata !{i32 720942, metadata !6, metadata !6, metadata !"f", metadata !"f", metadata !"", i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @f, null, null, metadata !10} ; [ DW_TAG_subprogram ]
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!6 = metadata !{i32 720937, metadata !20} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 720917, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{metadata !9}
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!9 = metadata !{i32 720932, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!10 = metadata !{metadata !11}
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!11 = metadata !{i32 720932} ; [ DW_TAG_base_type ]
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!12 = metadata !{metadata !14}
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!14 = metadata !{i32 720948, i32 0, null, metadata !"GLB", metadata !"GLB", metadata !"", metadata !6, i32 1, metadata !9, i32 0, i32 1, i32* @GLB, null} ; [ DW_TAG_variable ]
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!15 = metadata !{i32 786688, metadata !16, metadata !"LOC", metadata !6, i32 4, metadata !9, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
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!16 = metadata !{i32 786443, metadata !20, metadata !5, i32 3, i32 9, i32 0} ; [ DW_TAG_lexical_block ]
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!17 = metadata !{i32 4, i32 9, metadata !16, null}
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!18 = metadata !{i32 4, i32 23, metadata !16, null}
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!19 = metadata !{i32 5, i32 5, metadata !16, null}
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!20 = metadata !{metadata !"test.c", metadata !"/work/llvm/vanilla/test/DebugInfo"}
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; CHECK: DW_TAG_variable [3]
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000043] = "GLB")
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; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
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; CHECK: DW_TAG_variable [6]
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; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000004d] = "LOC")
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; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x04)
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