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7c3ec60da7
The main lists of debug info metadata attached to the compile_unit had an extra layer of metadata nodes they went through for no apparent reason. This patch removes that (& still passes just as much of the GDB 7.5 test suite). If anyone can show evidence as to why these extra metadata nodes are there I'm open to reverting this patch & documenting why they're there. llvm-svn: 174266
41 lines
2.2 KiB
LLVM
41 lines
2.2 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-pc-linux-gnu -O0 -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; If stack is realigned, we shouldn't describe locations of local
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; variables by giving offset from the frame pointer (%rbp):
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; push %rpb
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; mov %rsp,%rbp
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; and ALIGNMENT,%rsp ; (%rsp and %rbp are different now)
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; It's better to use offset from %rsp instead.
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; DW_AT_location of variable "x" shouldn't be equal to
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; (DW_OP_fbreg: .*): DW_OP_fbreg has code 0x91
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; CHECK: {{0x.* DW_TAG_variable}}
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; CHECK-NOT: {{DW_AT_location.*DW_FORM_block1.*0x.*91}}
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; CHECK: NULL
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define void @_Z3runv() nounwind uwtable {
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entry:
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%x = alloca i32, align 32
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call void @llvm.dbg.declare(metadata !{i32* %x}, metadata !9), !dbg !12
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ret void, !dbg !13
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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, i32 0, i32 4, metadata !"test.cc", metadata !"/home/samsonov/debuginfo", metadata !"clang version 3.2 (trunk 155696:155697) (llvm/trunk 155696)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1} ; [ 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 786478, i32 0, metadata !6, metadata !"run", metadata !"run", metadata !"_Z3runv", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3runv, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ]
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!6 = metadata !{i32 786473, metadata !"test.cc", metadata !"/home/samsonov/debuginfo", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!8 = metadata !{null}
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!9 = metadata !{i32 786688, metadata !10, metadata !"x", metadata !6, i32 2, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ]
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!10 = metadata !{i32 786443, metadata !5, i32 1, i32 12, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
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!11 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!12 = metadata !{i32 2, i32 7, metadata !10, null}
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!13 = metadata !{i32 3, i32 1, metadata !10, null}
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