1 ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump - | 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] ([[LOC:.*]]) 21 ; CHECK-NEXT: DW_AT_name {{.*}}"i1" 22 ; 23 ; CHECK: .debug_loc 24 ; CHECK: [[LOC]]: Beginning address offset: 0x0000000000000004 25 ; CHECK-NEXT: Ending address offset: 0x0000000000000005 26 ; rax, piece 0x00000004 27 ; CHECK-NEXT: Location description: 50 93 04 28 ; 29 ; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll' 30 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 31 target triple = "x86_64-apple-macosx10.9.0" 32 33 %struct.Outer = type { [2 x %struct.Inner] } 34 %struct.Inner = type { i32, i64 } 35 36 ; Function Attrs: nounwind ssp uwtable 37 define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 { 38 entry: 39 call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !DIExpression()), !dbg !26 40 %i1.sroa.0.0..sroa_idx = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i64 0, i32 0, i64 1, i32 0, !dbg !27 41 %i1.sroa.0.0.copyload = load i32, i32* %i1.sroa.0.0..sroa_idx, align 8, !dbg !27 42 call void @llvm.dbg.value(metadata i32 %i1.sroa.0.0.copyload, i64 0, metadata !28, metadata !29), !dbg !27 43 %i1.sroa.2.0..sroa_raw_cast = bitcast %struct.Outer* %outer to i8*, !dbg !27 44 %i1.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %i1.sroa.2.0..sroa_raw_cast, i64 20, !dbg !27 45 ret i32 %i1.sroa.0.0.copyload, !dbg !32 46 } 47 48 ; Function Attrs: nounwind readnone 49 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 50 51 ; Function Attrs: nounwind 52 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2 53 54 ; Function Attrs: nounwind readnone 55 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 56 57 attributes #0 = { nounwind ssp uwtable } 58 attributes #1 = { nounwind readnone } 59 attributes #2 = { nounwind } 60 61 !llvm.dbg.cu = !{!0} 62 !llvm.module.flags = !{!22, !23} 63 !llvm.ident = !{!24} 64 65 !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) 66 !1 = !DIFile(filename: "sroasplit-1.c", directory: "") 67 !2 = !{} 68 !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) 69 !5 = !DIFile(filename: "sroasplit-1.c", directory: "") 70 !6 = !DISubroutineType(types: !7) 71 !7 = !{!8, !9} 72 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 73 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10) 74 !10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11) 75 !11 = !{!12} 76 !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13) 77 !13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20) 78 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15) 79 !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16) 80 !16 = !{!17, !18} 81 !17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8) 82 !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19) 83 !19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 84 !20 = !{!21} 85 !21 = !DISubrange(count: 2) 86 !22 = !{i32 2, !"Dwarf Version", i32 2} 87 !23 = !{i32 1, !"Debug Info Version", i32 3} 88 !24 = !{!"clang version 3.5.0 "} 89 !25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) 90 !26 = !DILocation(line: 10, scope: !4) 91 !27 = !DILocation(line: 11, scope: !4) 92 !28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14) 93 !29 = !DIExpression(DW_OP_bit_piece, 0, 32) 94 !31 = !{i32 3, i32 0, i32 12} 95 !32 = !DILocation(line: 12, scope: !4) 96
