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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
106 lines
4.3 KiB
LLVM
106 lines
4.3 KiB
LLVM
; RUN: llc -filetype=obj -o - < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
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;
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; Checks that we're omitting the first range, as it is empty, and that we're
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; emitting one that spans the rest of the function. In this case, the first
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; range, which we omit, describes 8 bytes of the variable using DW_OP_litX,
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; whereas the second one only describes 4 bytes, so clobbering the whole 8 byte
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; fragment with the 4 bytes fragment isn't necessarily best thing to do here,
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; but it is what is currently being emitted. Any change here needs to be
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; intentional, so the test is very specific.
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;
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; CHECK: DW_TAG_inlined_subroutine
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ({{.*}}
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; CHECK-NEXT: [0x00000004, 0x00000014): DW_OP_lit0, DW_OP_stack_value, DW_OP_piece 0x4)
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; Created form the following test case (PR26163) with
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; clang -cc1 -triple armv4t--freebsd11.0-gnueabi -emit-obj -debug-info-kind=standalone -O2 -x c test.c
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;
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; typedef unsigned int size_t;
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; struct timeval {
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; long long tv_sec;
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; int tv_usec;
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; };
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;
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; void *memset(void *, int, size_t);
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; void foo(void);
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;
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; static void
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; bar(int value)
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; {
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; struct timeval lifetime;
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;
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; memset(&lifetime, 0, sizeof(struct timeval));
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; lifetime.tv_sec = value;
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;
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; foo();
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; }
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;
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; int
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; parse_config_file(void)
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; {
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; int value;
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;
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; bar(value);
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; return (0);
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; }
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv4t--freebsd11.0-gnueabi"
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%struct.timeval = type { i64, i32 }
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @foo()
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define i32 @parse_config_file() !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !26), !dbg !27
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tail call void @llvm.dbg.declare(metadata %struct.timeval* undef, metadata !16, metadata !26), !dbg !29
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tail call void @llvm.dbg.value(metadata i64 0, metadata !16, metadata !30), !dbg !29
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tail call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !31), !dbg !29
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tail call void @foo() #3, !dbg !32
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ret i32 0, !dbg !33
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!22, !23, !24}
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!llvm.ident = !{!25}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/home/ubuntu/bugs")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "parse_config_file", scope: !5, file: !5, line: 22, type: !6, isLocal: false, isDefinition: true, scopeLine: 23, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)
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!5 = !DIFile(filename: "test.c", directory: "/home/ubuntu/bugs")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "value", scope: !4, file: !5, line: 24, type: !8)
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!11 = distinct !DISubprogram(name: "bar", scope: !5, file: !5, line: 11, type: !12, isLocal: true, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !14)
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!12 = !DISubroutineType(types: !13)
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!13 = !{null, !8}
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!14 = !{!15, !16}
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!15 = !DILocalVariable(name: "value", arg: 1, scope: !11, file: !5, line: 11, type: !8)
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!16 = !DILocalVariable(name: "lifetime", scope: !11, file: !5, line: 13, type: !17)
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!17 = !DICompositeType(tag: DW_TAG_structure_type, name: "timeval", file: !5, line: 2, size: 128, align: 64, elements: !18)
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!18 = !{!19, !21}
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!19 = !DIDerivedType(tag: DW_TAG_member, name: "tv_sec", scope: !17, file: !5, line: 3, baseType: !20, size: 64, align: 64)
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!20 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!21 = !DIDerivedType(tag: DW_TAG_member, name: "tv_usec", scope: !17, file: !5, line: 4, baseType: !8, size: 32, align: 32, offset: 64)
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!22 = !{i32 2, !"Debug Info Version", i32 3}
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!23 = !{i32 1, !"wchar_size", i32 4}
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!24 = !{i32 1, !"min_enum_size", i32 4}
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!25 = !{!"clang version 3.9.0"}
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!26 = !DIExpression()
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!27 = !DILocation(line: 11, scope: !11, inlinedAt: !28)
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!28 = distinct !DILocation(line: 26, scope: !4)
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!29 = !DILocation(line: 13, scope: !11, inlinedAt: !28)
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!30 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)
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!31 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
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!32 = !DILocation(line: 18, scope: !11, inlinedAt: !28)
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!33 = !DILocation(line: 27, scope: !4)
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