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 ; rax, piece 0x00000004 21 ; CHECK-NEXT: DW_AT_location [DW_FORM_block1]{{.*}}50 93 04 22 ; CHECK-NEXT: DW_AT_name {{.*}}"i1" 23 ; 24 ; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll' 25 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 26 target 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 32 define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 { 33 entry: 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, i64 0, 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 44 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 45 46 ; Function Attrs: nounwind 47 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2 48 49 ; Function Attrs: nounwind readnone 50 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 51 52 attributes #0 = { nounwind ssp uwtable } 53 attributes #1 = { nounwind readnone } 54 attributes #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: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 61 !1 = !DIFile(filename: "sroasplit-1.c", directory: "") 62 !2 = !{} 63 !3 = !{!4} 64 !4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !5, type: !6, variables: !2) 65 !5 = !DIFile(filename: "sroasplit-1.c", directory: "") 66 !6 = !DISubroutineType(types: !7) 67 !7 = !{!8, !9} 68 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 69 !9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10) 70 !10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11) 71 !11 = !{!12} 72 !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13) 73 !13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20) 74 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15) 75 !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16) 76 !16 = !{!17, !18} 77 !17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8) 78 !18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19) 79 !19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed) 80 !20 = !{!21} 81 !21 = !DISubrange(count: 2) 82 !22 = !{i32 2, !"Dwarf Version", i32 2} 83 !23 = !{i32 1, !"Debug Info Version", i32 3} 84 !24 = !{!"clang version 3.5.0 "} 85 !25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) 86 !26 = !DILocation(line: 10, scope: !4) 87 !27 = !DILocation(line: 11, scope: !4) 88 !28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14) 89 !29 = !DIExpression(DW_OP_bit_piece, 0, 32) 90 !31 = !{i32 3, i32 0, i32 12} 91 !32 = !DILocation(line: 12, scope: !4) 92
