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1; RUN: llc %s -filetype=obj -o - -experimental-debug-variable-locations=true | llvm-dwarfdump -v - | FileCheck %s2;3; // Compile with -O14; typedef struct {5; int a;6; 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; CHECK: DW_TAG_formal_parameter [3]19; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (20; CHECK-NEXT: [0x0000000000000000, 0x0000000000000009): DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_piece 0x4, DW_OP_reg4 RSI, DW_OP_piece 0x421; CHECK-NEXT: DW_AT_name {{.*}}"outer"22; CHECK: DW_TAG_variable23; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (0x0000002a24; CHECK-NEXT: [0x0000000000000007, 0x0000000000000009): DW_OP_reg4 RSI, DW_OP_piece 0x4)25; CHECK-NEXT: "i1"26 27; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-2.ll'28target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"29target triple = "x86_64-apple-macosx10.9.0"30 31; Function Attrs: nounwind ssp uwtable32define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 !dbg !4 {33 call void @llvm.dbg.value(metadata i64 %outer.coerce0, metadata !24, metadata !25), !dbg !2634 call void @llvm.dbg.declare(metadata !{null}, metadata !27, metadata !28), !dbg !2635 call void @llvm.dbg.value(metadata i64 %outer.coerce1, metadata !29, metadata !30), !dbg !2636 call void @llvm.dbg.declare(metadata !{null}, metadata !31, metadata !32), !dbg !2637 ; The 'trunc' generates no extra code, thus i1 is visible throughout its scope.38 %outer.sroa.1.8.extract.trunc = trunc i64 %outer.coerce1 to i32, !dbg !3339 call void @llvm.dbg.value(metadata i32 %outer.sroa.1.8.extract.trunc, metadata !34, metadata !35), !dbg !3340 %outer.sroa.1.12.extract.shift = lshr i64 %outer.coerce1, 32, !dbg !3341 %outer.sroa.1.12.extract.trunc = trunc i64 %outer.sroa.1.12.extract.shift to i32, !dbg !3342 call void @llvm.dbg.value(metadata i64 %outer.sroa.1.12.extract.shift, metadata !34, metadata !37), !dbg !3343 call void @llvm.dbg.value(metadata i32 %outer.sroa.1.12.extract.trunc, metadata !34, metadata !37), !dbg !3344 call void @llvm.dbg.declare(metadata !{null}, metadata !34, metadata !35), !dbg !3345 ret i32 %outer.sroa.1.8.extract.trunc, !dbg !3646}47 48; Function Attrs: nounwind readnone49declare void @llvm.dbg.declare(metadata, metadata, metadata) #150 51; Function Attrs: nounwind52declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) #253 54; Function Attrs: nounwind readnone55declare void @llvm.dbg.value(metadata, metadata, metadata) #156 57attributes #0 = { nounwind ssp uwtable "frame-pointer"="all" }58attributes #1 = { nounwind readnone }59attributes #2 = { nounwind }60 61!llvm.dbg.cu = !{!0}62!llvm.module.flags = !{!21, !22}63!llvm.ident = !{!23}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-2.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, retainedNodes: !2)69!5 = !DIFile(filename: "sroasplit-2.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: 128, align: 32, file: !1, elements: !11)75!11 = !{!12}76!12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 128, align: 32, file: !1, scope: !10, baseType: !13)77!13 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !14, elements: !19)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: 64, align: 32, 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: 32, align: 32, offset: 32, file: !1, scope: !15, baseType: !8)83!19 = !{!20}84!20 = !DISubrange(count: 2)85!21 = !{i32 2, !"Dwarf Version", i32 2}86!22 = !{i32 1, !"Debug Info Version", i32 3}87!23 = !{!"clang version 3.5.0 "}88!24 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)89!25 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)90!26 = !DILocation(line: 10, scope: !4)91!27 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)92!28 = !DIExpression(DW_OP_LLVM_fragment, 64, 64)93!29 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)94!30 = !DIExpression(DW_OP_LLVM_fragment, 96, 32)95!31 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)96!32 = !DIExpression(DW_OP_LLVM_fragment, 64, 32)97!33 = !DILocation(line: 11, scope: !4)98!34 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)99!35 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)100!36 = !DILocation(line: 12, scope: !4)101!37 = !DIExpression(DW_OP_LLVM_fragment, 32, 32)102