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40395d6771
compiler identification lines in test-cases. (Doing so only because it's then easier to search for references which are actually important and need fixing.) llvm-svn: 351200
85 lines
3.2 KiB
LLVM
85 lines
3.2 KiB
LLVM
; RUN: %llc_dwarf -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s
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; REQUIRES: object-emission
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; Generated by clang -c -g -std=c11 -S -emit-llvm from the following C11 source
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;
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; // every object of type struct data will be aligned to 128-byte boundary
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; struct data {
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; char x;
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; _Alignas(128) char arr[2];
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; };
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;
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; _Alignas(2048) struct data d; // this instance of data is aligned even stricter
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; int foo(void)
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; {
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; struct data local_data;
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; return 0;
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; }
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; CHECK: DW_TAG_variable
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name{{.*}}"d"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_alignment{{.*}}2048
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_TAG_member
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; CHECK: DW_TAG_member
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_name{{.*}}"arr"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_AT_alignment{{.*}}128
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; ModuleID = 'test.c'
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source_filename = "test.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.data = type { i8, [127 x i8], [2 x i8], [126 x i8] }
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@d = common global %struct.data zeroinitializer, align 2048, !dbg !0
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; Function Attrs: nounwind uwtable
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define i32 @foo() #0 !dbg !17 {
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entry:
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%local_data = alloca %struct.data, align 128
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call void @llvm.dbg.declare(metadata %struct.data* %local_data, metadata !21, metadata !22), !dbg !23
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ret i32 0, !dbg !24
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!14, !15}
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!llvm.ident = !{!16}
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!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "d", scope: !2, file: !3, line: 7, type: !6, isLocal: false, isDefinition: true, align: 16384)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 4.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "test.c", directory: "/tmp")
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!4 = !{}
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!5 = !{!0}
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!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "data", file: !3, line: 2, size: 2048, elements: !7)
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!7 = !{!8, !10}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !3, line: 3, baseType: !9, size: 8)
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!9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "arr", scope: !6, file: !3, line: 4, baseType: !11, size: 16, align: 1024, offset: 1024)
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!11 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 16, elements: !12)
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!12 = !{!13}
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!13 = !DISubrange(count: 2)
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!14 = !{i32 2, !"Dwarf Version", i32 4}
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{!"clang version 4.0.0"}
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!17 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 8, type: !18, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
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!18 = !DISubroutineType(types: !19)
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!19 = !{!20}
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!20 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!21 = !DILocalVariable(name: "local_data", scope: !17, file: !3, line: 10, type: !6)
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!22 = !DIExpression()
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!23 = !DILocation(line: 10, column: 17, scope: !17)
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!24 = !DILocation(line: 11, column: 5, scope: !17)
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