index c67fa53d3a3b8f6a4555faf51518d11f6f968961..04a50639ae2ccc32268430cc2d253c62880749f2 100644 (file)
-; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
+; RUN: llc %s -o %t -filetype=obj
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; Checks that we emit debug info for the block variable declare.
-; CHECK: 0x00000030: DW_TAG_subprogram [3]
-; CHECK: 0x0000005b: DW_TAG_variable [5]
-; CHECK: 0x0000005c: DW_AT_name [DW_FORM_strp] ( .debug_str[0x000000e6] = "block")
-; CHECK: 0x00000066: DW_AT_location [DW_FORM_data4] (0x00000023)
+; CHECK: DW_TAG_subprogram
+; CHECK: DW_TAG_variable
+; fbreg +8, deref, +32
+; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x05> 91 08 06 23 20 )
+; CHECK-NEXT: DW_AT_name {{.*}} "block"
-%struct.__block_descriptor = type { i64, i64 }
-%struct.__block_literal_generic = type { i8*, i32, i32, i8*, %struct.__block_descriptor* }
+; Extracted from the clang output for:
+; void foo() {
+; void (^block)() = ^{ block(); };
+; }
-declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
-
-define hidden void @__foo_block_invoke_0(i8* %.block_descriptor) uwtable ssp {
-entry:
- %exn.slot = alloca i8*
- %ehselector.slot = alloca i32
- call void @llvm.dbg.value(metadata !{i8* %.block_descriptor}, i64 0, metadata !39), !dbg !51
- %block = bitcast i8* %.block_descriptor to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void ()* }>*, !dbg !52
- call void @llvm.dbg.declare(metadata !{<{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void ()* }>* %block}, metadata !53), !dbg !54
- %block.capture.addr = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void ()* }>* %block, i32 0, i32 5, !dbg !55
- %0 = load void ()** %block.capture.addr, align 8, !dbg !55
- %block.literal = bitcast void ()* %0 to %struct.__block_literal_generic*, !dbg !55
- %1 = getelementptr inbounds %struct.__block_literal_generic* %block.literal, i32 0, i32 3, !dbg !55
- %2 = bitcast %struct.__block_literal_generic* %block.literal to i8*, !dbg !55
- %3 = load i8** %1, !dbg !55
- %4 = bitcast i8* %3 to void (i8*)*, !dbg !55
- invoke void %4(i8* %2)
- to label %invoke.cont unwind label %lpad, !dbg !55
+; ModuleID = 'foo.m'
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-darwin"
-invoke.cont: ; preds = %entry
- br label %eh.cont, !dbg !58
+%struct.__block_descriptor = type { i64, i64 }
+%struct.__block_literal_generic = type { i8*, i32, i32, i8*, %struct.__block_descriptor* }
-eh.cont: ; preds = %catch, %invoke.cont
- ret void, !dbg !61
+@_NSConcreteStackBlock = external global i8*
+@.str = private unnamed_addr constant [6 x i8] c"v8@?0\00", align 1
-lpad: ; preds = %entry
- %5 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
- catch i8* null, !dbg !55
- %6 = extractvalue { i8*, i32 } %5, 0, !dbg !55
- store i8* %6, i8** %exn.slot, !dbg !55
- %7 = extractvalue { i8*, i32 } %5, 1, !dbg !55
- store i32 %7, i32* %ehselector.slot, !dbg !55
- br label %catch, !dbg !55
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-catch: ; preds = %lpad
- %exn = load i8** %exn.slot, !dbg !62
- %exn.adjusted = call i8* @objc_begin_catch(i8* %exn) nounwind, !dbg !62
- call void @objc_end_catch(), !dbg !58
- br label %eh.cont, !dbg !58
+; Function Attrs: ssp uwtable
+define internal void @__foo_block_invoke(i8* %.block_descriptor) #2 {
+entry:
+ %.block_descriptor.addr = alloca i8*, align 8
+ %block.addr = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>*, align 8
+ store i8* %.block_descriptor, i8** %.block_descriptor.addr, align 8
+ %0 = load i8** %.block_descriptor.addr
+ call void @llvm.dbg.value(metadata !{i8* %0}, i64 0, metadata !47, metadata !43), !dbg !66
+ call void @llvm.dbg.declare(metadata !{i8* %.block_descriptor}, metadata !47, metadata !43), !dbg !66
+ %block = bitcast i8* %.block_descriptor to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>*, !dbg !67
+ store <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>* %block, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>** %block.addr, align 8
+ call void @llvm.dbg.declare(metadata !{<{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>** %block.addr}, metadata !68, metadata !69), !dbg !70
+ %block.capture.addr = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, void (...)* }>* %block, i32 0, i32 5, !dbg !71
+ %1 = load void (...)** %block.capture.addr, align 8, !dbg !71
+ %block.literal = bitcast void (...)* %1 to %struct.__block_literal_generic*, !dbg !71
+ %2 = getelementptr inbounds %struct.__block_literal_generic* %block.literal, i32 0, i32 3, !dbg !71
+ %3 = bitcast %struct.__block_literal_generic* %block.literal to i8*, !dbg !71
+ %4 = load i8** %2, !dbg !71
+ %5 = bitcast i8* %4 to void (i8*, ...)*, !dbg !71
+ call void (i8*, ...)* %5(i8* %3), !dbg !71
+ ret void, !dbg !73
}
-declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
-
-declare i8* @objc_begin_catch(i8*)
+; Function Attrs: nounwind readnone
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
-declare void @objc_end_catch()
-declare i32 @__objc_personality_v0(...)
+attributes #0 = { nounwind ssp uwtable }
+attributes #1 = { nounwind readnone }
+attributes #2 = { ssp uwtable }
+attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!35, !36, !37, !38}
+!llvm.module.flags = !{!16, !17, !18, !19, !20, !21, !22}
+!llvm.ident = !{!23}
-!0 = metadata !{i32 786449, metadata !63, i32 16, metadata !"clang version 3.1 (trunk 151227)", i1 false, metadata !"", i32 2, metadata !1, metadata !1, metadata !3, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ]
-!1 = metadata !{i32 0}
-!3 = metadata !{metadata !5, metadata !28, metadata !31, metadata !34}
-!5 = metadata !{i32 786478, metadata !6, metadata !"foo", metadata !"foo", metadata !"", metadata !6, i32 5, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !26, i32 5} ; [ DW_TAG_subprogram ]
-!6 = metadata !{i32 786473, metadata !63} ; [ DW_TAG_file_type ]
-!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
-!8 = metadata !{null, metadata !9}
-!9 = metadata !{i32 786454, metadata !63, null, metadata !"dispatch_block_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_typedef ]
-!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ]
-!11 = metadata !{i32 786451, metadata !63, metadata !6, metadata !"__block_literal_generic", i32 5, i64 256, i64 0, i32 0, i32 8, null, metadata !12, i32 0, i32 0} ; [ DW_TAG_structure_type ]
-!12 = metadata !{metadata !13, metadata !15, metadata !17, metadata !18, metadata !19}
-!13 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__isa", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !14} ; [ DW_TAG_member ]
-!14 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ]
-!15 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__flags", i32 0, i64 32, i64 32, i64 64, i32 0, metadata !16} ; [ DW_TAG_member ]
-!16 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!17 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__reserved", i32 0, i64 32, i64 32, i64 96, i32 0, metadata !16} ; [ DW_TAG_member ]
-!18 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__FuncPtr", i32 0, i64 64, i64 64, i64 128, i32 0, metadata !14} ; [ DW_TAG_member ]
-!19 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__descriptor", i32 5, i64 64, i64 64, i64 192, i32 0, metadata !20} ; [ DW_TAG_member ]
-!20 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !21} ; [ DW_TAG_pointer_type ]
-!21 = metadata !{i32 786451, metadata !63, metadata !6, metadata !"__block_descriptor", i32 5, i64 128, i64 0, i32 0, i32 8, null, metadata !22, i32 0, i32 0} ; [ DW_TAG_structure_type ]
-!22 = metadata !{metadata !23, metadata !25}
-!23 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"reserved", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !24} ; [ DW_TAG_member ]
-!24 = metadata !{i32 786468, null, null, metadata !"long unsigned int", i32 0, i64 64, i64 64, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
-!25 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"Size", i32 0, i64 64, i64 64, i64 64, i32 0, metadata !24} ; [ DW_TAG_member ]
-!26 = metadata !{metadata !27}
-!27 = metadata !{i32 786468} ; [ DW_TAG_base_type ]
-!28 = metadata !{i32 786478, metadata !6, metadata !"__foo_block_invoke_0", metadata !"__foo_block_invoke_0", metadata !"", metadata !6, i32 7, metadata !29, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i8*)* @__foo_block_invoke_0, null, null, metadata !26, i32 7} ; [ DW_TAG_subprogram ]
-!29 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
-!30 = metadata !{null, metadata !14}
-!31 = metadata !{i32 786478, metadata !6, metadata !"__copy_helper_block_", metadata !"__copy_helper_block_", metadata !"", metadata !6, i32 10, metadata !32, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !26, i32 10} ; [ DW_TAG_subprogram ]
-!32 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !33, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
-!33 = metadata !{null, metadata !14, metadata !14}
-!34 = metadata !{i32 786478, metadata !6, metadata !"__destroy_helper_block_", metadata !"__destroy_helper_block_", metadata !"", metadata !6, i32 10, metadata !29, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, null, null, null, metadata !26, i32 10} ; [ DW_TAG_subprogram ]
-!35 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
-!36 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
-!37 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
-!38 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}
-!39 = metadata !{i32 786689, metadata !28, metadata !".block_descriptor", metadata !6, i32 16777223, metadata !40, i32 64, i32 0} ; [ DW_TAG_arg_variable ]
-!40 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !41} ; [ DW_TAG_pointer_type ]
-!41 = metadata !{i32 786451, metadata !63, metadata !6, metadata !"__block_literal_1", i32 7, i64 320, i64 64, i32 0, i32 0, null, metadata !42, i32 0, i32 0} ; [ DW_TAG_structure_type ]
-!42 = metadata !{metadata !43, metadata !44, metadata !45, metadata !46, metadata !47, metadata !50}
-!43 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__isa", i32 7, i64 64, i64 64, i64 0, i32 0, metadata !14} ; [ DW_TAG_member ]
-!44 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__flags", i32 7, i64 32, i64 32, i64 64, i32 0, metadata !16} ; [ DW_TAG_member ]
-!45 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__reserved", i32 7, i64 32, i64 32, i64 96, i32 0, metadata !16} ; [ DW_TAG_member ]
-!46 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__FuncPtr", i32 7, i64 64, i64 64, i64 128, i32 0, metadata !14} ; [ DW_TAG_member ]
-!47 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"__descriptor", i32 7, i64 64, i64 64, i64 192, i32 0, metadata !48} ; [ DW_TAG_member ]
-!48 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !49} ; [ DW_TAG_pointer_type ]
-!49 = metadata !{i32 786451, metadata !63, null, metadata !"__block_descriptor_withcopydispose", i32 7, i32 0, i32 0, i32 0, i32 4, null, null, i32 0} ; [ DW_TAG_structure_type ]
-!50 = metadata !{i32 786445, metadata !63, metadata !6, metadata !"block", i32 7, i64 64, i64 64, i64 256, i32 0, metadata !9} ; [ DW_TAG_member ]
-!51 = metadata !{i32 7, i32 18, metadata !28, null}
-!52 = metadata !{i32 7, i32 19, metadata !28, null}
-!53 = metadata !{i32 786688, metadata !28, metadata !"block", metadata !6, i32 5, metadata !9, i32 0, i32 0, i64 1, i64 32} ; [ DW_TAG_auto_variable ]
-!54 = metadata !{i32 5, i32 27, metadata !28, null}
-!55 = metadata !{i32 8, i32 22, metadata !56, null}
-!56 = metadata !{i32 786443, metadata !57, i32 7, i32 26, metadata !6, i32 2} ; [ DW_TAG_lexical_block ]
-!57 = metadata !{i32 786443, metadata !28, i32 7, i32 19, metadata !6, i32 1} ; [ DW_TAG_lexical_block ]
-!58 = metadata !{i32 10, i32 20, metadata !59, null}
-!59 = metadata !{i32 786443, metadata !60, i32 9, i32 35, metadata !6, i32 4} ; [ DW_TAG_lexical_block ]
-!60 = metadata !{i32 786443, metadata !57, i32 9, i32 35, metadata !6, i32 3} ; [ DW_TAG_lexical_block ]
-!61 = metadata !{i32 10, i32 21, metadata !28, null}
-!62 = metadata !{i32 9, i32 20, metadata !56, null}
-!63 = metadata !{metadata !"foo.m", metadata !"/Users/echristo"}
+!0 = metadata !{metadata !"0x11\0016\00clang version 3.6.0 (trunk 223471)\000\00\002\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [/foo.m] [DW_LANG_ObjC]
+!1 = metadata !{metadata !"foo.m", metadata !""}
+!2 = metadata !{}
+!3 = metadata !{metadata !8}
+!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/foo.m]
+!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!7 = metadata !{null}
+!8 = metadata !{metadata !"0x2e\00__foo_block_invoke\00__foo_block_invoke\00\002\001\001\000\000\00256\000\002", metadata !1, metadata !5, metadata !9, null, void (i8*)* @__foo_block_invoke, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [local] [def] [__foo_block_invoke]
+!9 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !10, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!10 = metadata !{null, metadata !11}
+!11 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, null} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
+!13 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!14 = metadata !{null, metadata !11, metadata !11}
+!16 = metadata !{i32 1, metadata !"Objective-C Version", i32 2}
+!17 = metadata !{i32 1, metadata !"Objective-C Image Info Version", i32 0}
+!18 = metadata !{i32 1, metadata !"Objective-C Image Info Section", metadata !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
+!19 = metadata !{i32 4, metadata !"Objective-C Garbage Collection", i32 0}
+!20 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!21 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
+!22 = metadata !{i32 1, metadata !"PIC Level", i32 2}
+!23 = metadata !{metadata !"clang version 3.6.0 (trunk 223471)"}
+!25 = metadata !{metadata !"0xf\00\000\0064\000\000\000", null, null, metadata !26} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __block_literal_generic]
+!26 = metadata !{metadata !"0x13\00__block_literal_generic\002\00256\000\000\008\000", metadata !1, metadata !5, null, metadata !27, null, null, null} ; [ DW_TAG_structure_type ] [__block_literal_generic] [line 2, size 256, align 0, offset 0] [def] [from ]
+!27 = metadata !{metadata !28, metadata !29, metadata !31, metadata !32, metadata !36}
+!28 = metadata !{metadata !"0xd\00__isa\000\0064\0064\000\000", metadata !1, metadata !5, metadata !11} ; [ DW_TAG_member ] [__isa] [line 0, size 64, align 64, offset 0] [from ]
+!29 = metadata !{metadata !"0xd\00__flags\000\0032\0032\0064\000", metadata !1, metadata !5, metadata !30} ; [ DW_TAG_member ] [__flags] [line 0, size 32, align 32, offset 64] [from int]
+!30 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!31 = metadata !{metadata !"0xd\00__reserved\000\0032\0032\0096\000", metadata !1, metadata !5, metadata !30} ; [ DW_TAG_member ] [__reserved] [line 0, size 32, align 32, offset 96] [from int]
+!32 = metadata !{metadata !"0xd\00__FuncPtr\000\0064\0064\00128\000", metadata !1, metadata !5, metadata !33} ; [ DW_TAG_member ] [__FuncPtr] [line 0, size 64, align 64, offset 128] [from ]
+!33 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !34} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
+!34 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !35, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!35 = metadata !{null, null}
+!36 = metadata !{metadata !"0xd\00__descriptor\002\0064\0064\00192\000", metadata !1, metadata !5, metadata !37} ; [ DW_TAG_member ] [__descriptor] [line 2, size 64, align 64, offset 192] [from ]
+!37 = metadata !{metadata !"0xf\00\000\0064\000\000\000", null, null, metadata !38} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __block_descriptor]
+!38 = metadata !{metadata !"0x13\00__block_descriptor\002\00128\000\000\008\000", metadata !1, metadata !5, null, metadata !39, null, null, null} ; [ DW_TAG_structure_type ] [__block_descriptor] [line 2, size 128, align 0, offset 0] [def] [from ]
+!39 = metadata !{metadata !40, metadata !42}
+!40 = metadata !{metadata !"0xd\00reserved\000\0064\0064\000\000", metadata !1, metadata !5, metadata !41} ; [ DW_TAG_member ] [reserved] [line 0, size 64, align 64, offset 0] [from long unsigned int]
+!41 = metadata !{metadata !"0x24\00long unsigned int\000\0064\0064\000\000\007", null, null} ; [ DW_TAG_base_type ] [long unsigned int] [line 0, size 64, align 64, offset 0, enc DW_ATE_unsigned]
+!42 = metadata !{metadata !"0xd\00Size\000\0064\0064\0064\000", metadata !1, metadata !5, metadata !41} ; [ DW_TAG_member ] [Size] [line 0, size 64, align 64, offset 64] [from long unsigned int]
+!43 = metadata !{metadata !"0x102"} ; [ DW_TAG_expression ]
+!47 = metadata !{metadata !"0x101\00.block_descriptor\0016777218\0064", metadata !8, metadata !5, metadata !48} ; [ DW_TAG_arg_variable ] [.block_descriptor] [line 2]
+!48 = metadata !{metadata !"0xf\00\000\0064\000\000\000", null, null, metadata !49} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __block_literal_1]
+!49 = metadata !{metadata !"0x13\00__block_literal_1\002\00320\0064\000\000\000", metadata !1, metadata !5, null, metadata !50, null, null, null} ; [ DW_TAG_structure_type ] [__block_literal_1] [line 2, size 320, align 64, offset 0] [def] [from ]
+!50 = metadata !{metadata !51, metadata !52, metadata !53, metadata !54, metadata !56, metadata !65}
+!51 = metadata !{metadata !"0xd\00__isa\002\0064\0064\000\003", metadata !1, metadata !5, metadata !11} ; [ DW_TAG_member ] [__isa] [line 2, size 64, align 64, offset 0] [public] [from ]
+!52 = metadata !{metadata !"0xd\00__flags\002\0032\0032\0064\003", metadata !1, metadata !5, metadata !30} ; [ DW_TAG_member ] [__flags] [line 2, size 32, align 32, offset 64] [public] [from int]
+!53 = metadata !{metadata !"0xd\00__reserved\002\0032\0032\0096\003", metadata !1, metadata !5, metadata !30} ; [ DW_TAG_member ] [__reserved] [line 2, size 32, align 32, offset 96] [public] [from int]
+!54 = metadata !{metadata !"0xd\00__FuncPtr\002\0064\0064\00128\003", metadata !1, metadata !5, metadata !55} ; [ DW_TAG_member ] [__FuncPtr] [line 2, size 64, align 64, offset 128] [public] [from ]
+!55 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !6} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
+!56 = metadata !{metadata !"0xd\00__descriptor\002\0064\0064\00192\003", metadata !1, metadata !5, metadata !57} ; [ DW_TAG_member ] [__descriptor] [line 2, size 64, align 64, offset 192] [public] [from ]
+!57 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !58} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from __block_descriptor_withcopydispose]
+!58 = metadata !{metadata !"0x13\00__block_descriptor_withcopydispose\002\00256\0064\000\000\000", metadata !1, null, null, metadata !59, null, null, null} ; [ DW_TAG_structure_type ] [__block_descriptor_withcopydispose] [line 2, size 256, align 64, offset 0] [def] [from ]
+!59 = metadata !{metadata !60, metadata !61, metadata !62, metadata !64}
+!60 = metadata !{metadata !"0xd\00reserved\002\0064\0064\000\000", metadata !1, metadata !58, metadata !41} ; [ DW_TAG_member ] [reserved] [line 2, size 64, align 64, offset 0] [from long unsigned int]
+!61 = metadata !{metadata !"0xd\00Size\002\0064\0064\0064\000", metadata !1, metadata !58, metadata !41} ; [ DW_TAG_member ] [Size] [line 2, size 64, align 64, offset 64] [from long unsigned int]
+!62 = metadata !{metadata !"0xd\00CopyFuncPtr\002\0064\0064\00128\000", metadata !1, metadata !58, metadata !63} ; [ DW_TAG_member ] [CopyFuncPtr] [line 2, size 64, align 64, offset 128] [from ]
+!63 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
+!64 = metadata !{metadata !"0xd\00DestroyFuncPtr\002\0064\0064\00192\000", metadata !1, metadata !58, metadata !63} ; [ DW_TAG_member ] [DestroyFuncPtr] [line 2, size 64, align 64, offset 192] [from ]
+!65 = metadata !{metadata !"0xd\00block\002\0064\0064\00256\003", metadata !1, metadata !5, metadata !25} ; [ DW_TAG_member ] [block] [line 2, size 64, align 64, offset 256] [public] [from ]
+!66 = metadata !{i32 2, i32 20, metadata !8, null}
+!67 = metadata !{i32 2, i32 21, metadata !8, null}
+!68 = metadata !{metadata !"0x100\00block\002\000", metadata !8, metadata !5, metadata !25} ; [ DW_TAG_auto_variable ] [block] [line 2]
+!69 = metadata !{metadata !"0x102\006\0034\0032"} ; [ DW_TAG_expression ] [DW_OP_derefUnknown]
+!70 = metadata !{i32 2, i32 9, metadata !8, null}
+!71 = metadata !{i32 2, i32 23, metadata !72, null}
+!72 = metadata !{metadata !"0xb\002\0021\000", metadata !1, metadata !8} ; [ DW_TAG_lexical_block ] [/foo.m]
+!73 = metadata !{i32 2, i32 32, metadata !8, null}