diff options
Diffstat (limited to 'llvm/test/DebugInfo/X86/align_c11.ll')
| -rw-r--r-- | llvm/test/DebugInfo/X86/align_c11.ll | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/align_c11.ll b/llvm/test/DebugInfo/X86/align_c11.ll new file mode 100644 index 00000000000..0e9119de5b0 --- /dev/null +++ b/llvm/test/DebugInfo/X86/align_c11.ll @@ -0,0 +1,83 @@ +; RUN: %llc_dwarf -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s +; REQUIRES: object-emission + +; Generated by clang -c -g -std=c11 -S -emit-llvm from the following C11 source +; +; // every object of type struct data will be aligned to 128-byte boundary +; struct data { +; char x; +; _Alignas(128) char arr[2]; +; }; +; +; _Alignas(2048) struct data d; // this instance of data is aligned even stricter +; int foo(void) +; { +; struct data local_data; +; return 0; +; } + +; CHECK: DW_TAG_variable +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_name{{.*}}"d" +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_alignment{{.*}}2048 +; CHECK: DW_TAG_structure_type +; CHECK: DW_TAG_member +; CHECK: DW_TAG_member +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_name{{.*}}"arr" +; CHECK-NOT: DW_TAG +; CHECK: DW_AT_alignment{{.*}}128 + +; ModuleID = 'test.c' +source_filename = "test.c" +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +%struct.data = type { i8, [127 x i8], [2 x i8], [126 x i8] } + +@d = common global %struct.data zeroinitializer, align 2048, !dbg !0 + +; Function Attrs: nounwind uwtable +define i32 @foo() #0 !dbg !17 { +entry: + %local_data = alloca %struct.data, align 128 + call void @llvm.dbg.declare(metadata %struct.data* %local_data, metadata !21, metadata !22), !dbg !23 + ret i32 0, !dbg !24 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 + +attributes #0 = { nounwind uwtable } +attributes #1 = { nounwind readnone } + +!llvm.dbg.cu = !{!1} +!llvm.module.flags = !{!14, !15} +!llvm.ident = !{!16} + +!0 = distinct !DIGlobalVariable(name: "d", scope: !1, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true, align: 16384) +!1 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 4.0.0 (http://llvm.org/git/clang.git 9ce5220b821054019059c2ac4a9b132c7723832d) (http://llvm.org/git/llvm.git 9a6298be89ce0359b151c0a37af2776a12c69e85)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3, globals: !4) +!2 = !DIFile(filename: "test.c", directory: "/tmp") +!3 = !{} +!4 = !{!0} +!5 = !DIFile(filename: "test.c", directory: "/tmp") +!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "data", file: !5, line: 2, size: 2048, elements: !7) +!7 = !{!8, !10} +!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !5, line: 3, baseType: !9, size: 8) +!9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) +!10 = !DIDerivedType(tag: DW_TAG_member, name: "arr", scope: !6, file: !5, line: 4, baseType: !11, size: 16, align: 1024, offset: 1024) +!11 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 16, elements: !12) +!12 = !{!13} +!13 = !DISubrange(count: 2) +!14 = !{i32 2, !"Dwarf Version", i32 4} +!15 = !{i32 2, !"Debug Info Version", i32 3} +!16 = !{!"clang version 4.0.0 (http://llvm.org/git/clang.git 9ce5220b821054019059c2ac4a9b132c7723832d) (http://llvm.org/git/llvm.git 9a6298be89ce0359b151c0a37af2776a12c69e85)"} +!17 = distinct !DISubprogram(name: "foo", scope: !5, file: !5, line: 8, type: !18, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !1, variables: !3) +!18 = !DISubroutineType(types: !19) +!19 = !{!20} +!20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!21 = !DILocalVariable(name: "local_data", scope: !17, file: !5, line: 10, type: !6) +!22 = !DIExpression() +!23 = !DILocation(line: 10, column: 17, scope: !17) +!24 = !DILocation(line: 11, column: 5, scope: !17) |
