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102 lines
4.4 KiB
102 lines
4.4 KiB
4 months ago
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; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | llvm-dwarfdump - | FileCheck %s
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; CHECK: DW_TAG_subprogram
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; CHECK: DW_AT_name ("h")
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; CHECK: 0x00000[[VLAEXPR:.*]]: DW_TAG_variable
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; CHECK-NEXT: DW_AT_name ("vla_expr")
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; CHECK: DW_TAG_array_type
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; CHECK-NEXT: DW_AT_type {{.*}}"int"
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; CHECK-NOT: DW_TAG
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; CHECK: DW_TAG_subrange_type
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; CHECK-NEXT: DW_AT_type {{.*}}"__ARRAY_SIZE_TYPE__"
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; CHECK-NEXT: DW_AT_count (0x00000[[VLAEXPR]]
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;
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;
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; Generated from (and then modified):
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;
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; #define DECLARE_ARRAY(type, var_name, size) type var_name[size]
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;
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; void h(void);
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; void k(void *);
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;
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; void g() {
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; h();
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; }
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;
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; void h() {
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; int count = 2;
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; DECLARE_ARRAY(int, array, count);
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; k((void *)array);
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; }
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source_filename = "/tmp/test.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.13.0"
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; Function Attrs: nounwind ssp uwtable
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define void @g() local_unnamed_addr #0 !dbg !10 {
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entry:
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%vla2.i = alloca [2 x i32], align 16, !dbg !13
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call void @llvm.dbg.declare(metadata [2 x i32]* %vla2.i, metadata !20, metadata !DIExpression(DW_OP_stack_value)), !dbg !13
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%0 = bitcast [2 x i32]* %vla2.i to i8*, !dbg !25
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call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %0), !dbg !25
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call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !25
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call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !13
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call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !25
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call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !13
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call void @k(i8* nonnull %0) #3, !dbg !26
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call void @llvm.lifetime.end.p0i8(i64 8, i8* nonnull %0), !dbg !27
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ret void, !dbg !28
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @k(i8*) local_unnamed_addr
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #2
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #2
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone speculatable }
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attributes #2 = { argmemonly nounwind }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!5, !6, !7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3)
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!1 = !DIFile(filename: "/tmp/test.c", directory: "/")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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!5 = !{i32 2, !"Dwarf Version", i32 4}
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!6 = !{i32 2, !"Debug Info Version", i32 3}
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!7 = !{i32 1, !"wchar_size", i32 4}
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!8 = !{i32 7, !"PIC Level", i32 2}
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!9 = !{!"clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)"}
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!10 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 6, type: !11, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !0, retainedNodes: !2)
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!11 = !DISubroutineType(types: !12)
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!12 = !{null}
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!13 = !DILocation(line: 12, column: 3, scope: !14, inlinedAt: !24)
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!14 = distinct !DISubprogram(name: "h", scope: !1, file: !1, line: 10, type: !11, isLocal: false, isDefinition: true, scopeLine: 10, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !15)
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!15 = !{!16, !18, !20}
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!16 = !DILocalVariable(name: "count", scope: !14, file: !1, line: 11, type: !17)
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!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!18 = !DILocalVariable(name: "vla_expr", scope: !14, file: !1, line: 12, type: !19)
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!19 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)
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!20 = !DILocalVariable(name: "array", scope: !14, file: !1, line: 12, type: !21)
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!21 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, elements: !22)
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!22 = !{!23}
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!23 = !DISubrange(count: !18)
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!24 = distinct !DILocation(line: 7, column: 3, scope: !10)
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!25 = !DILocation(line: 11, column: 7, scope: !14, inlinedAt: !24)
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!26 = !DILocation(line: 13, column: 3, scope: !14, inlinedAt: !24)
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!27 = !DILocation(line: 14, column: 1, scope: !14, inlinedAt: !24)
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!28 = !DILocation(line: 8, column: 1, scope: !10)
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