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37 lines
1.6 KiB
LLVM
37 lines
1.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -o - %s -filetype=obj \
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; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s
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; A hand-crafted FrameIndex location with a DW_OP_deref.
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; CHECK: DW_TAG_formal_parameter
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; fbreg -8, deref
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; CHECK-NEXT: DW_AT_location {{.*}} (DW_OP_fbreg -8, DW_OP_deref)
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; CHECK-NEXT: DW_AT_name {{.*}} "foo"
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define void @f(i8* %bar) !dbg !6 {
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entry:
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%foo.addr = alloca i8*
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store i8* %bar, i8** %foo.addr
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call void @llvm.dbg.declare(metadata i8** %foo.addr, metadata !12, metadata !13), !dbg !14
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ret void, !dbg !15
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "t.c", directory: "/")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9}
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
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!10 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
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!11 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!12 = !DILocalVariable(name: "foo", arg: 1, scope: !6, file: !1, line: 1, type: !10)
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!13 = !DIExpression(DW_OP_deref)
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!14 = !DILocation(line: 1, scope: !6)
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!15 = !DILocation(line: 1, scope: !6)
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