[llvm] r240834 - Debug info: Add more test coverage for bitfields.
Robinson, Paul
Paul_Robinson at playstation.sony.com
Fri Jun 26 16:01:34 PDT 2015
> -----Original Message-----
> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-
> bounces at cs.uiuc.edu] On Behalf Of Adrian Prantl
> Sent: Friday, June 26, 2015 2:27 PM
> To: llvm-commits at cs.uiuc.edu
> Subject: [llvm] r240834 - Debug info: Add more test coverage for
> bitfields.
>
> Author: adrian
> Date: Fri Jun 26 16:27:16 2015
> New Revision: 240834
>
> URL: http://llvm.org/viewvc/llvm-project?rev=240834&view=rev
> Log:
> Debug info: Add more test coverage for bitfields.
>
> Added:
> llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll
>
> Added: llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll
> URL: http://llvm.org/viewvc/llvm-
> project/llvm/trunk/test/DebugInfo/X86/debug-info-packed-
> struct.ll?rev=240834&view=auto
> ==========================================================================
> ====
> --- llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll (added)
> +++ llvm/trunk/test/DebugInfo/X86/debug-info-packed-struct.ll Fri Jun 26
> 16:27:16 2015
> @@ -0,0 +1,140 @@
> +; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c
I prefer to have the actual C source copied inline in the .ll file.
Today's version of the Clang test does what you want, but will it still
do so every time this test needs to be regenerated? (Which seems to
come up moderately often these days, as people overhaul how metadata works.)
Thanks,
--paulr
> +; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c'
> +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
> +target triple = "x86_64-apple-darwin"
> +
> +; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s
> +; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s
> +; REQUIRES: object-emission
> +
> +%struct.layout0 = type { i8, %struct.size8, i8 }
> +%struct.size8 = type { i64 }
> +; CHECK: DW_TAG_structure_type
> +; CHECK: DW_AT_name {{.*}} "layout0"
> +; CHECK: DW_AT_byte_size {{.*}} (0x18)
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l0_ofs0"
> +; CHECK: DW_AT_data_member_location {{.*}}00
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l0_ofs8"
> +; CHECK: DW_AT_data_member_location {{.*}}08
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l0_ofs16"
> +; CHECK: DW_AT_bit_size {{.*}} (0x01)
> +; CHECK: DW_AT_bit_offset {{.*}} (0x1f)
> +; CHECK: DW_AT_data_member_location {{.*}}10
> +
> +%struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }>
> +%struct.size8_anon = type { i64 }
> +
> +; CHECK: DW_TAG_structure_type
> +; CHECK: DW_AT_name {{.*}} "layout1"
> +; CHECK: DW_AT_byte_size {{.*}} (0x0c)
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l1_ofs0"
> +; CHECK: DW_AT_data_member_location {{.*}}00
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l1_ofs1"
> +; CHECK: DW_AT_data_member_location {{.*}}01
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l1_ofs9"
> +; CHECK: DW_AT_byte_size {{.*}} (0x04)
> +; CHECK: DW_AT_bit_size {{.*}} (0x01)
> +; CHECK: DW_AT_bit_offset {{.*}} (0x17)
> +; CHECK: DW_AT_data_member_location {{.*}}08
> +
> +%struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }>
> +%struct.size8_pack1 = type { i64 }
> +
> +; CHECK: DW_TAG_structure_type
> +; CHECK: DW_AT_name {{.*}} "layout2"
> +; CHECK: DW_AT_byte_size {{.*}} (0x0a)
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l2_ofs0"
> +; CHECK: DW_AT_data_member_location {{.*}}00
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l2_ofs1"
> +; CHECK: DW_AT_data_member_location {{.*}}01
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l2_ofs9"
> +; CHECK: DW_AT_byte_size {{.*}} (0x04)
> +; CHECK: DW_AT_bit_size {{.*}} (0x01)
> +; CHECK: DW_AT_bit_offset {{.*}} (0x17)
> +; CHECK: DW_AT_data_member_location {{.*}}08
> +
> +%struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8]
> }>
> +%struct.size8_pack4 = type { i64 }
> +
> +; CHECK: DW_TAG_structure_type
> +; CHECK: DW_AT_name {{.*}} "layout3"
> +; CHECK: DW_AT_byte_size {{.*}} (0x10)
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l3_ofs0"
> +; CHECK: DW_AT_data_member_location {{.*}}00
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l3_ofs4"
> +; CHECK: DW_AT_data_member_location {{.*}}04
> +; CHECK: DW_TAG_member
> +; CHECK: DW_AT_name {{.*}} "l3_ofs12"
> +; CHECK: DW_AT_byte_size {{.*}} (0x04)
> +; CHECK: DW_AT_bit_size {{.*}} (0x01)
> +; CHECK: DW_AT_bit_offset {{.*}} (0x1f)
> +; CHECK: DW_AT_data_member_location {{.*}}0c
> +
> + at l0 = common global %struct.layout0 zeroinitializer, align 8
> + at l1 = common global %struct.layout1 zeroinitializer, align 4
> + at l2 = common global %struct.layout2 zeroinitializer, align 1
> + at l3 = common global %struct.layout3 zeroinitializer, align 4
> +
> +!llvm.dbg.cu = !{!0}
> +!llvm.module.flags = !{!45, !46}
> +!llvm.ident = !{!47}
> +
> +!0 = !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang
> version 3.7.0 (trunk 240791) (llvm/trunk 240790)", isOptimized: false,
> runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2,
> subprograms: !2, globals: !3, imports: !2)
> +!1 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>",
> directory: "/llvm/_build.ninja.release")
> +!2 = !{}
> +!3 = !{!4, !18, !25, !35}
> +!4 = !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type:
> !6, isLocal: false, isDefinition: true, variable: %struct.layout0* @l0)
> +!5 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-
> struct.c", directory: "/llvm/_build.ninja.release")
> +!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file:
> !5, line: 15, size: 192, align: 64, elements: !7)
> +!7 = !{!8, !10, !17}
> +!8 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !6, file:
> !5, line: 16, baseType: !9, size: 8, align: 8)
> +!9 = !DIBasicType(name: "char", size: 8, align: 8, encoding:
> DW_ATE_signed_char)
> +!10 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !6,
> file: !5, line: 17, baseType: !11, size: 64, align: 64, offset: 64)
> +!11 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file:
> !5, line: 11, size: 64, align: 64, elements: !12)
> +!12 = !{!13, !15}
> +!13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !11, file: !5,
> line: 12, baseType: !14, size: 4, align: 32)
> +!14 = !DIBasicType(name: "int", size: 32, align: 32, encoding:
> DW_ATE_signed)
> +!15 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !11, file: !5,
> line: 13, baseType: !16, size: 60, offset: 4)
> +!16 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding:
> DW_ATE_signed)
> +!17 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !6,
> file: !5, line: 18, baseType: !14, size: 1, align: 32, offset: 128)
> +!18 = !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type:
> !19, isLocal: false, isDefinition: true, variable: %struct.layout1* @l1)
> +!19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file:
> !5, line: 34, size: 96, align: 32, elements: !20)
> +!20 = !{!21, !22, !24}
> +!21 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !19,
> file: !5, line: 35, baseType: !9, size: 8, align: 8)
> +!22 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !19,
> file: !5, line: 36, baseType: !23, size: 64, align: 8, offset: 8)
> +!23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon",
> file: !5, line: 30, size: 64, align: 8, elements: !2)
> +!24 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !19,
> file: !5, line: 37, baseType: !14, size: 1, align: 32, offset: 72)
> +!25 = !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type:
> !26, isLocal: false, isDefinition: true, variable: %struct.layout2* @l2)
> +!26 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file:
> !5, line: 54, size: 80, align: 8, elements: !27)
> +!27 = !{!28, !29, !34}
> +!28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !26,
> file: !5, line: 55, baseType: !9, size: 8, align: 8)
> +!29 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !26,
> file: !5, line: 56, baseType: !30, size: 64, align: 8, offset: 8)
> +!30 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1",
> file: !5, line: 50, size: 64, align: 8, elements: !31)
> +!31 = !{!32, !33}
> +!32 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !30, file: !5,
> line: 51, baseType: !14, size: 4, align: 32)
> +!33 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !30, file: !5,
> line: 52, baseType: !16, size: 60, offset: 4)
> +!34 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !26,
> file: !5, line: 57, baseType: !14, size: 1, align: 32, offset: 72)
> +!35 = !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type:
> !36, isLocal: false, isDefinition: true, variable: %struct.layout3* @l3)
> +!36 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file:
> !5, line: 76, size: 128, align: 32, elements: !37)
> +!37 = !{!38, !39, !44}
> +!38 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !36,
> file: !5, line: 77, baseType: !9, size: 8, align: 8)
> +!39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !36,
> file: !5, line: 78, baseType: !40, size: 64, align: 32, offset: 32)
> +!40 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4",
> file: !5, line: 72, size: 64, align: 32, elements: !41)
> +!41 = !{!42, !43}
> +!42 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !40, file: !5,
> line: 73, baseType: !14, size: 4, align: 32)
> +!43 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !40, file: !5,
> line: 74, baseType: !16, size: 60, offset: 4)
> +!44 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !36,
> file: !5, line: 79, baseType: !14, size: 1, align: 32, offset: 96)
> +!45 = !{i32 2, !"Dwarf Version", i32 2}
> +!46 = !{i32 2, !"Debug Info Version", i32 3}
> +!47 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"}
>
>
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