| ; RUN: llc %s -filetype=obj -o - -experimental-debug-variable-locations=true | llvm-dwarfdump -v - | FileCheck %s |
| ; |
| ; // Compile with -O1 |
| ; typedef struct { |
| ; int a; |
| ; int b; |
| ; } Inner; |
| ; |
| ; typedef struct { |
| ; Inner inner[2]; |
| ; } Outer; |
| ; |
| ; int foo(Outer outer) { |
| ; Inner i1 = outer.inner[1]; |
| ; return i1.a; |
| ; } |
| ; |
| ; CHECK: DW_TAG_formal_parameter [3] |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] ( |
| ; CHECK-NEXT: [0x0000000000000000, 0x0000000000000009): DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_piece 0x4, DW_OP_reg4 RSI, DW_OP_piece 0x4 |
| ; CHECK-NEXT: DW_AT_name {{.*}}"outer" |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (0x0000002a |
| ; CHECK-NEXT: [0x0000000000000007, 0x0000000000000009): DW_OP_reg4 RSI, DW_OP_piece 0x4) |
| ; CHECK-NEXT: "i1" |
| |
| ; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-2.ll' |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.9.0" |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 !dbg !4 { |
| call void @llvm.dbg.value(metadata i64 %outer.coerce0, metadata !24, metadata !25), !dbg !26 |
| call void @llvm.dbg.declare(metadata !{null}, metadata !27, metadata !28), !dbg !26 |
| call void @llvm.dbg.value(metadata i64 %outer.coerce1, metadata !29, metadata !30), !dbg !26 |
| call void @llvm.dbg.declare(metadata !{null}, metadata !31, metadata !32), !dbg !26 |
| ; The 'trunc' generates no extra code, thus i1 is visible throughout its scope. |
| %outer.sroa.1.8.extract.trunc = trunc i64 %outer.coerce1 to i32, !dbg !33 |
| call void @llvm.dbg.value(metadata i32 %outer.sroa.1.8.extract.trunc, metadata !34, metadata !35), !dbg !33 |
| %outer.sroa.1.12.extract.shift = lshr i64 %outer.coerce1, 32, !dbg !33 |
| %outer.sroa.1.12.extract.trunc = trunc i64 %outer.sroa.1.12.extract.shift to i32, !dbg !33 |
| call void @llvm.dbg.value(metadata i64 %outer.sroa.1.12.extract.shift, metadata !34, metadata !37), !dbg !33 |
| call void @llvm.dbg.value(metadata i32 %outer.sroa.1.12.extract.trunc, metadata !34, metadata !37), !dbg !33 |
| call void @llvm.dbg.declare(metadata !{null}, metadata !34, metadata !35), !dbg !33 |
| ret i32 %outer.sroa.1.8.extract.trunc, !dbg !36 |
| } |
| |
| ; 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, i1) #2 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind ssp uwtable "frame-pointer"="all" } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!21, !22} |
| !llvm.ident = !{!23} |
| |
| !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-2.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, retainedNodes: !2) |
| !5 = !DIFile(filename: "sroasplit-2.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: 128, align: 32, file: !1, elements: !11) |
| !11 = !{!12} |
| !12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 128, align: 32, file: !1, scope: !10, baseType: !13) |
| !13 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !14, elements: !19) |
| !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15) |
| !15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 64, align: 32, 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: 32, align: 32, offset: 32, file: !1, scope: !15, baseType: !8) |
| !19 = !{!20} |
| !20 = !DISubrange(count: 2) |
| !21 = !{i32 2, !"Dwarf Version", i32 2} |
| !22 = !{i32 1, !"Debug Info Version", i32 3} |
| !23 = !{!"clang version 3.5.0 "} |
| !24 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) |
| !25 = !DIExpression(DW_OP_LLVM_fragment, 0, 64) |
| !26 = !DILocation(line: 10, scope: !4) |
| !27 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) |
| !28 = !DIExpression(DW_OP_LLVM_fragment, 64, 64) |
| !29 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) |
| !30 = !DIExpression(DW_OP_LLVM_fragment, 96, 32) |
| !31 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9) |
| !32 = !DIExpression(DW_OP_LLVM_fragment, 64, 32) |
| !33 = !DILocation(line: 11, scope: !4) |
| !34 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14) |
| !35 = !DIExpression(DW_OP_LLVM_fragment, 0, 32) |
| !36 = !DILocation(line: 12, scope: !4) |
| !37 = !DIExpression(DW_OP_LLVM_fragment, 32, 32) |