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87c77233df
Since r241097, `DIBuilder` has only created distinct `DICompileUnit`s.
The backend is liable to start relying on that (if it hasn't already),
so make uniquable `DICompileUnit`s illegal and automatically upgrade old
bitcode. This is a nice cleanup, since we can remove an unnecessary
`DenseSet` (and the associated uniquing info) from `LLVMContextImpl`.
Almost all the testcases were updated with this script:
git grep -e '= !DICompileUnit' -l -- test |
grep -v test/Bitcode |
xargs sed -i '' -e 's,= !DICompileUnit,= distinct !DICompileUnit,'
I imagine something similar should work for out-of-tree testcases.
llvm-svn: 243885
34 lines
1.5 KiB
LLVM
34 lines
1.5 KiB
LLVM
; RUN: llc -split-dwarf=Enable -mtriple=powerpc64-unknown-linux-gnu -O0 -filetype=asm < %s | FileCheck %s
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; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
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; that here instead of raw assembly printing
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; CHECK: debug_info.dwo
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; 3 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
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; CHECK: .byte 3{{ *}}# DW_AT_location
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; DW_OP_const_index (0xfx == 252) to refer to the debug_addr table
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; CHECK-NEXT: .byte 252
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; an index of zero into the debug_addr table
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; CHECK-NEXT: .byte 0
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; DW_OP_GNU_push_tls_address
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; CHECK-NEXT: .byte 224
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; check that the expected TLS address description is the first thing in the debug_addr section
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; CHECK: debug_addr
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; CHECK-NEXT: .Laddr_sec:
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; CHECK-NEXT: .quad tls@dtprel+32768
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@tls = thread_local global i32 0, align 4
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, splitDebugFilename: "tls.dwo", emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2)
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!1 = !DIFile(filename: "tls.cpp", directory: "/tmp")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !6, variable: i32* @tls)
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!5 = !DIFile(filename: "tls.cpp", directory: "/tmp")
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!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 3}
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!8 = !{i32 1, !"Debug Info Version", i32 3}
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