1; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v - | FileCheck %s 2; 3; // Compile with -O1 4; typedef struct { 5; int a; 6; long int b; 7; } Inner; 8; 9; typedef struct { 10; Inner inner[2]; 11; } Outer; 12; 13; int foo(Outer outer) { 14; Inner i1 = outer.inner[1]; 15; return i1.a; 16; } 17; 18; 19; CHECK: DW_TAG_variable [4] 20; CHECK-NEXT: DW_AT_location [DW_FORM_data4] ( 21; CHECK-NEXT: [0x0000000000000004, 0x0000000000000005): DW_OP_reg0 RAX, DW_OP_piece 0x4) 22; CHECK-NEXT: DW_AT_name {{.*}}"i1" 23 24; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll' 25target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 26target triple = "x86_64-apple-macosx10.9.0" 27 28%struct.Outer = type { [2 x %struct.Inner] } 29%struct.Inner = type { i32, i64 } 30 31; Function Attrs: nounwind ssp uwtable 32define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 { 33entry: 34 call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !DIExpression()), !dbg !26 35 %i1.sroa.0.0..sroa_idx = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i64 0, i32 0, i64 1, i32 0, !dbg !27 36 %i1.sroa.0.0.copyload = load i32, i32* %i1.sroa.0.0..sroa_idx, align 8, !dbg !27 37 call void @llvm.dbg.value(metadata i32 %i1.sroa.0.0.copyload, metadata !28, metadata !29), !dbg !27 38 %i1.sroa.2.0..sroa_raw_cast = bitcast %struct.Outer* %outer to i8*, !dbg !27 39 %i1.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %i1.sroa.2.0..sroa_raw_cast, i64 20, !dbg !27 40 ret i32 %i1.sroa.0.0.copyload, !dbg !32 41} 42 43; Function Attrs: nounwind readnone 44declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 45 46; Function Attrs: nounwind 47declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) #2 48 49; Function Attrs: nounwind readnone 50declare void @llvm.dbg.value(metadata, metadata, metadata) #1 51 52attributes #0 = { nounwind ssp uwtable } 53attributes #1 = { nounwind readnone } 54attributes #2 = { nounwind } 55 56!llvm.dbg.cu = !{!0} 57!llvm.module.flags = !{!22, !23} 58!llvm.ident = !{!24} 59 60!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 61!1 = !DIFile(filename: "sroasplit-1.c", directory: "") 62!2 = !{} 63!4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2) 64!5 = !DIFile(filename: "sroasplit-1.c", directory: "") 65!6 = !DISubroutineType(types: !7) 66!7 = !{!8, !9} 67!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 68!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10) 69!10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11) 70!11 = !{!12} 71!12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13) 72!13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20) 73!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15) 74!15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16) 75!16 = !{!17, !18} 76!17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8) 77!18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19) 78!19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 79!20 = !{!21} 80!21 = !DISubrange(count: 2) 81!22 = !{i32 2, !"Dwarf Version", i32 2} 82!23 = !{i32 1, !"Debug Info Version", i32 3} 83!24 = !{!"clang version 3.5.0 "} 84!25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) 85!26 = !DILocation(line: 10, scope: !4) 86!27 = !DILocation(line: 11, scope: !4) 87!28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14) 88!29 = !DIExpression(DW_OP_LLVM_fragment, 0, 32) 89!31 = !{i32 3, i32 0, i32 12} 90!32 = !DILocation(line: 12, scope: !4) 91