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9c1b0af658
Since Split DWARF needs to name the actual .dwo file that is generated, it can't be known at the time the llvm::Module is produced as it may be merged with other Modules before the object is generated and that object may be generated with any name. By passing the Split DWARF file name when LLVM is producing object code the .dwo file name in the object file can match correctly. The support for Split DWARF for implicit modules remains the same - using metadata to store the dwo name and dwo id so that potentially multiple skeleton CUs referring to different dwo files can be generated from one llvm::Module. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301062 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.5 KiB
LLVM
36 lines
1.5 KiB
LLVM
; RUN: llc -split-dwarf-file=foo.dwo -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: .section .debug_addr,"",@progbits
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; CHECK-NEXT: .quad tls@DTPREL+32768
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source_filename = "test/DebugInfo/PowerPC/tls-fission.ll"
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@tls = thread_local global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!7, !8}
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = !DIGlobalVariable(name: "tls", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "tls.cpp", directory: "/tmp")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.4 ", isOptimized: false, runtimeVersion: 0, splitDebugFilename: "tls.dwo", emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)
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!5 = !{}
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!6 = !{!0}
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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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