| ; RUN: llc %s -o %t -filetype=obj |
| ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s |
| |
| ; Checks that we emit debug info for the block variable declare. |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (DW_OP_fbreg +8, DW_OP_deref, DW_OP_plus_uconst 0x20) |
| ; CHECK-NEXT: DW_AT_name {{.*}} "block" |
| |
| ; Extracted from the clang output for: |
| ; void foo() { |
| ; void (^block)() = ^{ block(); }; |
| ; } |
| |
| ; ModuleID = 'foo.m' |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |
| |
| %struct.__block_descriptor = type { i64, i64 } |
| %struct.__block_literal_generic = type { ptr, i32, i32, ptr, ptr } |
| |
| @_NSConcreteStackBlock = external global ptr |
| @.str = private unnamed_addr constant [6 x i8] c"v8@?0\00", align 1 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: ssp uwtable |
| define internal void @__foo_block_invoke(ptr %.block_descriptor) #2 !dbg !8 { |
| entry: |
| %.block_descriptor.addr = alloca ptr, align 8 |
| %block.addr = alloca ptr, align 8 |
| store ptr %.block_descriptor, ptr %.block_descriptor.addr, align 8 |
| %0 = load ptr, ptr %.block_descriptor.addr |
| call void @llvm.dbg.value(metadata ptr %0, metadata !47, metadata !43), !dbg !66 |
| call void @llvm.dbg.declare(metadata ptr %.block_descriptor, metadata !47, metadata !43), !dbg !66 |
| store ptr %.block_descriptor, ptr %block.addr, align 8 |
| call void @llvm.dbg.declare(metadata ptr %block.addr, metadata !68, metadata !69), !dbg !70 |
| %block.capture.addr = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr }>, ptr %.block_descriptor, i32 0, i32 5, !dbg !71 |
| %1 = load ptr, ptr %block.capture.addr, align 8, !dbg !71 |
| %2 = getelementptr inbounds %struct.__block_literal_generic, ptr %1, i32 0, i32 3, !dbg !71 |
| %3 = load ptr, ptr %2, !dbg !71 |
| call void (ptr, ...) %3(ptr %1), !dbg !71 |
| ret void, !dbg !73 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| |
| attributes #0 = { nounwind ssp uwtable } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { ssp uwtable } |
| attributes #3 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!16, !17, !18, !19, !20, !21, !22} |
| !llvm.ident = !{!23} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_ObjC, producer: "clang version 3.6.0 (trunk 223471)", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "foo.m", directory: "") |
| !2 = !{} |
| !5 = !DIFile(filename: "foo.m", directory: "") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{null} |
| !8 = distinct !DISubprogram(name: "__foo_block_invoke", line: 2, isLocal: true, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !9, retainedNodes: !2) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{null, !11} |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null) |
| !13 = !DISubroutineType(types: !14) |
| !14 = !{null, !11, !11} |
| !16 = !{i32 1, !"Objective-C Version", i32 2} |
| !17 = !{i32 1, !"Objective-C Image Info Version", i32 0} |
| !18 = !{i32 1, !"Objective-C Image Info Section", !"__DATA, __objc_imageinfo, regular, no_dead_strip"} |
| !19 = !{i32 4, !"Objective-C Garbage Collection", i32 0} |
| !20 = !{i32 2, !"Dwarf Version", i32 2} |
| !21 = !{i32 2, !"Debug Info Version", i32 3} |
| !22 = !{i32 1, !"PIC Level", i32 2} |
| !23 = !{!"clang version 3.6.0 (trunk 223471)"} |
| !25 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !26) |
| !26 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_generic", line: 2, size: 256, flags: DIFlagAppleBlock, file: !1, scope: !5, elements: !27) |
| !27 = !{!28, !29, !31, !32, !36} |
| !28 = !DIDerivedType(tag: DW_TAG_member, name: "__isa", size: 64, align: 64, file: !1, scope: !5, baseType: !11) |
| !29 = !DIDerivedType(tag: DW_TAG_member, name: "__flags", size: 32, align: 32, offset: 64, file: !1, scope: !5, baseType: !30) |
| !30 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !31 = !DIDerivedType(tag: DW_TAG_member, name: "__reserved", size: 32, align: 32, offset: 96, file: !1, scope: !5, baseType: !30) |
| !32 = !DIDerivedType(tag: DW_TAG_member, name: "__FuncPtr", size: 64, align: 64, offset: 128, file: !1, scope: !5, baseType: !33) |
| !33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !34) |
| !34 = !DISubroutineType(types: !35) |
| !35 = !{null, null} |
| !36 = !DIDerivedType(tag: DW_TAG_member, name: "__descriptor", line: 2, size: 64, align: 64, offset: 192, file: !1, scope: !5, baseType: !37) |
| !37 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !38) |
| !38 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_descriptor", line: 2, size: 128, flags: DIFlagAppleBlock, file: !1, scope: !5, elements: !39) |
| !39 = !{!40, !42} |
| !40 = !DIDerivedType(tag: DW_TAG_member, name: "reserved", size: 64, align: 64, file: !1, scope: !5, baseType: !41) |
| !41 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) |
| !42 = !DIDerivedType(tag: DW_TAG_member, name: "Size", size: 64, align: 64, offset: 64, file: !1, scope: !5, baseType: !41) |
| !43 = !DIExpression() |
| !47 = !DILocalVariable(name: ".block_descriptor", line: 2, arg: 1, flags: DIFlagArtificial, scope: !8, file: !5, type: !48) |
| !48 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !49) |
| !49 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_1", line: 2, size: 320, align: 64, file: !1, scope: !5, elements: !50) |
| !50 = !{!51, !52, !53, !54, !56, !65} |
| !51 = !DIDerivedType(tag: DW_TAG_member, name: "__isa", line: 2, size: 64, align: 64, flags: DIFlagPublic, file: !1, scope: !5, baseType: !11) |
| !52 = !DIDerivedType(tag: DW_TAG_member, name: "__flags", line: 2, size: 32, align: 32, offset: 64, flags: DIFlagPublic, file: !1, scope: !5, baseType: !30) |
| !53 = !DIDerivedType(tag: DW_TAG_member, name: "__reserved", line: 2, size: 32, align: 32, offset: 96, flags: DIFlagPublic, file: !1, scope: !5, baseType: !30) |
| !54 = !DIDerivedType(tag: DW_TAG_member, name: "__FuncPtr", line: 2, size: 64, align: 64, offset: 128, flags: DIFlagPublic, file: !1, scope: !5, baseType: !55) |
| !55 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !6) |
| !56 = !DIDerivedType(tag: DW_TAG_member, name: "__descriptor", line: 2, size: 64, align: 64, offset: 192, flags: DIFlagPublic, file: !1, scope: !5, baseType: !57) |
| !57 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !58) |
| !58 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_descriptor_withcopydispose", line: 2, size: 256, align: 64, file: !1, elements: !59) |
| !59 = !{!60, !61, !62, !64} |
| !60 = !DIDerivedType(tag: DW_TAG_member, name: "reserved", line: 2, size: 64, align: 64, file: !1, scope: !58, baseType: !41) |
| !61 = !DIDerivedType(tag: DW_TAG_member, name: "Size", line: 2, size: 64, align: 64, offset: 64, file: !1, scope: !58, baseType: !41) |
| !62 = !DIDerivedType(tag: DW_TAG_member, name: "CopyFuncPtr", line: 2, size: 64, align: 64, offset: 128, file: !1, scope: !58, baseType: !63) |
| !63 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11) |
| !64 = !DIDerivedType(tag: DW_TAG_member, name: "DestroyFuncPtr", line: 2, size: 64, align: 64, offset: 192, file: !1, scope: !58, baseType: !63) |
| !65 = !DIDerivedType(tag: DW_TAG_member, name: "block", line: 2, size: 64, align: 64, offset: 256, flags: DIFlagPublic, file: !1, scope: !5, baseType: !25) |
| !66 = !DILocation(line: 2, column: 20, scope: !8) |
| !67 = !DILocation(line: 2, column: 21, scope: !8) |
| !68 = !DILocalVariable(name: "block", line: 2, scope: !8, file: !5, type: !25) |
| !69 = !DIExpression(DW_OP_deref, DW_OP_plus_uconst, 32) |
| !70 = !DILocation(line: 2, column: 9, scope: !8) |
| !71 = !DILocation(line: 2, column: 23, scope: !72) |
| !72 = distinct !DILexicalBlock(line: 2, column: 21, file: !1, scope: !8) |
| !73 = !DILocation(line: 2, column: 32, scope: !8) |