From 35e441e780bf1a2375d106c867491657054c0682 Mon Sep 17 00:00:00 2001 From: Adrian Prantl Date: Fri, 26 Jun 2015 21:27:16 +0000 Subject: [PATCH] Debug info: Add more test coverage for bitfields. llvm-svn: 240834 --- .../DebugInfo/X86/debug-info-packed-struct.ll | 140 ++++++++++++++++++ 1 file changed, 140 insertions(+) create mode 100644 llvm/test/DebugInfo/X86/debug-info-packed-struct.ll diff --git a/llvm/test/DebugInfo/X86/debug-info-packed-struct.ll b/llvm/test/DebugInfo/X86/debug-info-packed-struct.ll new file mode 100644 index 000000000000..614c1608fc8a --- /dev/null +++ b/llvm/test/DebugInfo/X86/debug-info-packed-struct.ll @@ -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 + +@l0 = common global %struct.layout0 zeroinitializer, align 8 +@l1 = common global %struct.layout1 zeroinitializer, align 4 +@l2 = common global %struct.layout2 zeroinitializer, align 1 +@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/", 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)"}