; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s ; ; // Compile with -O1 ; typedef struct { ; int a; ; long int b; ; } Inner; ; ; typedef struct { ; Inner inner[2]; ; } Outer; ; ; int foo(Outer outer) { ; Inner i1 = outer.inner[1]; ; return i1.a; ; } ; ; ; CHECK: DW_TAG_variable [4] ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] ([[LOC:.*]]) ; CHECK-NEXT: DW_AT_name {{.*}}"i1" ; ; CHECK: .debug_loc ; CHECK: [[LOC]]: Beginning address offset: 0x0000000000000004 ; CHECK-NEXT: Ending address offset: 0x0000000000000005 ; rax, piece 0x00000004 ; CHECK-NEXT: Location description: 50 93 04 ; ; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll' target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.9.0" %struct.Outer = type { [2 x %struct.Inner] } %struct.Inner = type { i32, i64 } ; Function Attrs: nounwind ssp uwtable define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 { entry: call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !DIExpression()), !dbg !26 %i1.sroa.0.0..sroa_idx = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i64 0, i32 0, i64 1, i32 0, !dbg !27 %i1.sroa.0.0.copyload = load i32, i32* %i1.sroa.0.0..sroa_idx, align 8, !dbg !27 call void @llvm.dbg.value(metadata i32 %i1.sroa.0.0.copyload, i64 0, metadata !28, metadata !29), !dbg !27 %i1.sroa.2.0..sroa_raw_cast = bitcast %struct.Outer* %outer to i8*, !dbg !27 %i1.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %i1.sroa.2.0..sroa_raw_cast, i64 20, !dbg !27 ret i32 %i1.sroa.0.0.copyload, !dbg !32 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: nounwind declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2 ; Function Attrs: nounwind readnone declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 attributes #0 = { nounwind ssp uwtable } attributes #1 = { nounwind readnone } attributes #2 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!22, !23} !llvm.ident = !{!24} !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) !1 = !DIFile(filename: "sroasplit-1.c", directory: "") !2 = !{} !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, variables: !2) !5 = !DIFile(filename: "sroasplit-1.c", directory: "") !6 = !DISubroutineType(types: !7) !7 = !{!8, !9} !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10) !10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11) !11 = !{!12} !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13) !13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20) !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15) !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16) !16 = !{!17, !18} !17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8) !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19) !19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) !20 = !{!21} !21 = !DISubrange(count: 2) !22 = !{i32 2, !"Dwarf Version", i32 2} !23 = !{i32 1, !"Debug Info Version", i32 3} !24 = !{!"clang version 3.5.0 "} !25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) !26 = !DILocation(line: 10, scope: !4) !27 = !DILocation(line: 11, scope: !4) !28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14) !29 = !DIExpression(DW_OP_bit_piece, 0, 32) !31 = !{i32 3, i32 0, i32 12} !32 = !DILocation(line: 12, scope: !4)