101 lines · plain
1; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | llvm-dwarfdump - | FileCheck %s2; CHECK: DW_TAG_subprogram3; CHECK: DW_AT_name ("h")4; CHECK: 0x00000[[VLAEXPR:.*]]: DW_TAG_variable5; CHECK-NEXT: DW_AT_name ("vla_expr")6; CHECK: DW_TAG_array_type7; CHECK-NEXT: DW_AT_type {{.*}}"int"8; CHECK-NOT: DW_TAG9; CHECK: DW_TAG_subrange_type10; CHECK-NEXT: DW_AT_type {{.*}}"__ARRAY_SIZE_TYPE__"11; CHECK-NEXT: DW_AT_count (0x00000[[VLAEXPR]]12;13;14; Generated from (and then modified):15;16; #define DECLARE_ARRAY(type, var_name, size) type var_name[size]17;18; void h(void);19; void k(ptr);20;21; void g() {22; h();23; }24;25; void h() {26; int count = 2;27; DECLARE_ARRAY(int, array, count);28; k((ptr)array);29; }30source_filename = "/tmp/test.c"31target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"32target triple = "x86_64-apple-macosx10.13.0"33 34; Function Attrs: nounwind ssp uwtable35define void @g() local_unnamed_addr #0 !dbg !10 {36entry:37 %vla2.i = alloca [2 x i32], align 16, !dbg !1338 call void @llvm.dbg.declare(metadata ptr %vla2.i, metadata !20, metadata !DIExpression(DW_OP_stack_value)), !dbg !1339 call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %vla2.i), !dbg !2540 call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !2541 call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !1342 call void @llvm.dbg.value(metadata i32 2, metadata !16, metadata !DIExpression()) #3, !dbg !2543 call void @llvm.dbg.value(metadata i64 2, metadata !18, metadata !DIExpression()) #3, !dbg !1344 call void @k(ptr nonnull %vla2.i) #3, !dbg !2645 call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %vla2.i), !dbg !2746 ret void, !dbg !2847}48 49; Function Attrs: nounwind readnone speculatable50declare void @llvm.dbg.declare(metadata, metadata, metadata) #151 52declare void @k(ptr) local_unnamed_addr53 54; Function Attrs: nounwind readnone speculatable55declare void @llvm.dbg.value(metadata, metadata, metadata) #156 57; Function Attrs: argmemonly nounwind58declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #259 60; Function Attrs: argmemonly nounwind61declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #262 63attributes #0 = { nounwind ssp uwtable }64attributes #1 = { nounwind readnone speculatable }65attributes #2 = { argmemonly nounwind }66attributes #3 = { nounwind }67 68!llvm.dbg.cu = !{!0}69!llvm.module.flags = !{!5, !6, !7, !8}70!llvm.ident = !{!9}71 72!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)73!1 = !DIFile(filename: "/tmp/test.c", directory: "/")74!2 = !{}75!3 = !{!4}76!4 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)77!5 = !{i32 2, !"Dwarf Version", i32 4}78!6 = !{i32 2, !"Debug Info Version", i32 3}79!7 = !{i32 1, !"wchar_size", i32 4}80!8 = !{i32 7, !"PIC Level", i32 2}81!9 = !{!"clang version 7.0.0 (trunk 324259) (llvm/trunk 324261)"}82!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)83!11 = !DISubroutineType(types: !12)84!12 = !{null}85!13 = !DILocation(line: 12, column: 3, scope: !14, inlinedAt: !24)86!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)87!15 = !{!16, !18, !20}88!16 = !DILocalVariable(name: "count", scope: !14, file: !1, line: 11, type: !17)89!17 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)90!18 = !DILocalVariable(name: "vla_expr", scope: !14, file: !1, line: 12, type: !19)91!19 = !DIBasicType(name: "long unsigned int", size: 64, encoding: DW_ATE_unsigned)92!20 = !DILocalVariable(name: "array", scope: !14, file: !1, line: 12, type: !21)93!21 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, elements: !22)94!22 = !{!23}95!23 = !DISubrange(count: !18)96!24 = distinct !DILocation(line: 7, column: 3, scope: !10)97!25 = !DILocation(line: 11, column: 7, scope: !14, inlinedAt: !24)98!26 = !DILocation(line: 13, column: 3, scope: !14, inlinedAt: !24)99!27 = !DILocation(line: 14, column: 1, scope: !14, inlinedAt: !24)100!28 = !DILocation(line: 8, column: 1, scope: !10)101