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      1 ; RUN: llc -mtriple x86_64-apple-darwin -filetype=obj -o %t.o < %s
      2 ; RUN: llvm-dwarfdump %t.o | FileCheck %s
      3 ;
      4 ; Test that DW_AT_location is generated for a captured "self" inside a
      5 ; block.
      6 ;
      7 ; This test is split into two parts, the frontend part can be found at
      8 ; llvm/tools/clang/test/CodeGenObjC/debug-info-block-captured-self.m
      9 ;
     10 ; CHECK: {{.*}}DW_AT_name{{.*}}_block_invoke{{.*}}
     11 ; CHECK: DW_TAG_variable
     12 ; CHECK-NOT:  DW_TAG
     13 ; CHECK:   DW_AT_location
     14 ; CHECK-NOT: DW_TAG
     15 ; CHECK:   DW_AT_name{{.*}}"self"{{.*}}
     16 ;
     17 ; CHECK: {{.*}}DW_AT_name{{.*}}_block_invoke{{.*}}
     18 ; CHECK: DW_TAG_variable
     19 ; CHECK-NOT:  DW_TAG
     20 ; CHECK:   DW_AT_location
     21 ; CHECK-NOT: DW_TAG
     22 ; CHECK:   DW_AT_name{{.*}}"self"{{.*}}
     23 ;
     24 ; Generated (and then reduced) from
     25 ; ----------------------------------------------------------------------
     26 ;
     27 ; @class T;
     28 ; @interface S
     29 ; @end
     30 ; @interface Mode
     31 ; -(int) count;
     32 ; @end
     33 ; @interface Context
     34 ; @end
     35 ; @interface ViewController
     36 ; @property (nonatomic, readwrite, strong) Context *context;
     37 ; @end
     38 ; typedef enum {
     39 ;     Unknown = 0,
     40 ; } State;
     41 ; @interface Main : ViewController
     42 ; {
     43 ;     T * t1;
     44 ;     T * t2;
     45 ; }
     46 ; @property(readwrite, nonatomic) State state;
     47 ; @end
     48 ; @implementation Main
     49 ; - (id) initWithContext:(Context *) context
     50 ; {
     51 ;     t1 = [self.context withBlock:^(id obj){
     52 ;         id *mode1;
     53 ; 	t2 = [mode1 withBlock:^(id object){
     54 ; 	    Mode *mode2 = object;
     55 ; 	    if ([mode2 count] != 0) {
     56 ; 	      self.state = 0;
     57 ; 	    }
     58 ; 	  }];
     59 ;       }];
     60 ; }
     61 ; @end
     62 ; ----------------------------------------------------------------------
     63 ; ModuleID = 'llvm/tools/clang/test/CodeGenObjC/debug-info-block-captured-self.m'
     64 %0 = type opaque
     65 %struct.__block_descriptor = type { i64, i64 }
     66 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
     67 define internal void @"__24-[Main initWithContext:]_block_invoke"(i8* %.block_descriptor, i8* %obj) #0 !dbg !38 {
     68   %block = bitcast i8* %.block_descriptor to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !84
     69   %block.captured-self = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %block, i32 0, i32 5, !dbg !84
     70   call void @llvm.dbg.declare(metadata <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %block, metadata !86, metadata !110), !dbg !87
     71   ret void, !dbg !87
     72 }
     73 
     74 define internal void @"__24-[Main initWithContext:]_block_invoke_2"(i8* %.block_descriptor, i8* %object) #0 !dbg !42 {
     75   %block = bitcast i8* %.block_descriptor to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !103
     76   %block.captured-self = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %block, i32 0, i32 5, !dbg !103
     77   call void @llvm.dbg.declare(metadata <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %block, metadata !105, metadata !109), !dbg !106
     78   ret void, !dbg !106
     79 }
     80 
     81 !llvm.dbg.cu = !{!0}
     82 !llvm.module.flags = !{!108}
     83 !0 = distinct !DICompileUnit(language: DW_LANG_ObjC, producer: "clang version 3.3 ", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, file: !107, enums: !2, retainedTypes: !4, globals: !15, imports:  !15)
     84 !1 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/debug-info-block-captured-self.m", directory: "")
     85 !2 = !{!3}
     86 !3 = !DICompositeType(tag: DW_TAG_enumeration_type, line: 20, size: 32, align: 32, file: !107, elements: !4)
     87 !4 = !{}
     88 !15 = !{}
     89 !27 = !DIDerivedType(tag: DW_TAG_typedef, name: "id", line: 31, file: !107, baseType: !28)
     90 !28 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !29)
     91 !29 = !DICompositeType(tag: DW_TAG_structure_type, name: "objc_object", file: !107, elements: !30)
     92 !30 = !{!31}
     93 !31 = !DIDerivedType(tag: DW_TAG_member, name: "isa", size: 64, file: !107, scope: !29, baseType: !32)
     94 !32 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !33)
     95 !33 = !DICompositeType(tag: DW_TAG_structure_type, name: "objc_class", flags: DIFlagFwdDecl, file: !107)
     96 !34 = !DICompositeType(tag: DW_TAG_structure_type, name: "Main", line: 23, flags: DIFlagArtificial | DIFlagObjectPointer, runtimeLang: DW_LANG_ObjC, file: !107)
     97 !38 = distinct !DISubprogram(name: "__24-[Main initWithContext:]_block_invoke", line: 33, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 33, file: !1, scope: !1, type: !39, variables: !15)
     98 !39 = !DISubroutineType(types: !40)
     99 !40 = !{null, !41, !27}
    100 !41 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
    101 !42 = distinct !DISubprogram(name: "__24-[Main initWithContext:]_block_invoke_2", line: 35, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 35, file: !1, scope: !1, type: !39, variables: !15)
    102 !84 = !DILocation(line: 33, scope: !38)
    103 !86 = !DILocalVariable(name: "self", line: 41, scope: !38, file: !1, type: !34)
    104 !87 = !DILocation(line: 41, scope: !38)
    105 !103 = !DILocation(line: 35, scope: !42)
    106 !105 = !DILocalVariable(name: "self", line: 40, scope: !42, file: !1, type: !34)
    107 !106 = !DILocation(line: 40, scope: !42)
    108 !107 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/debug-info-block-captured-self.m", directory: "")
    109 !108 = !{i32 1, !"Debug Info Version", i32 3}
    110 !109 = !DIExpression(DW_OP_deref, DW_OP_plus, 32)
    111 !110 = !DIExpression(DW_OP_deref, DW_OP_plus, 32)
    112