[llvm] r240834 - Debug info: Add more test coverage for bitfields.
Adrian Prantl
aprantl at apple.com
Fri Jun 26 14:27:16 PDT 2015
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
+; 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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