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75da1f2b54
This is just the basic groundwork for supporting DW_TAG_imported_module but I wanted to commit this before pushing support further into Clang or LLVM so that this rather churny change is isolated from the rest of the work. The major churn here is obviously adding another field (within the common DIScope prefix) to all DIScopes (files, classes, namespaces, lexical scopes, etc). This should be the last big churny change needed for DW_TAG_imported_module/using directive support/PR14606. llvm-svn: 178099
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 4, null, metadata !6, metadata !"clang version 3.2 (trunk 155696:155697) (llvm/trunk 155696)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, 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 786478, metadata !6, null, 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", null, metadata !"/home/samsonov/debuginfo", null} ; [ DW_TAG_file_type ]
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!7 = metadata !{i32 786453, i32 0, null, 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 !6, null, metadata !5, i32 1, i32 12, i32 0} ; [ DW_TAG_lexical_block ]
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!11 = metadata !{i32 786468, null, 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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