[llvm] r240834 - Debug info: Add more test coverage for bitfields.
Adrian Prantl
aprantl at apple.com
Fri Jun 26 17:02:14 PDT 2015
> On Jun 26, 2015, at 4:01 PM, Robinson, Paul <Paul_Robinson at playstation.sony.com> wrote:
>
>
>
>> -----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.)
It’s also a better documentation of what’s being tested.
Added in r240863.
-— adrian
> 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)"}
>>
>>
>> _______________________________________________
>> llvm-commits mailing list
>> llvm-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
More information about the llvm-commits
mailing list