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llvm-mirror/test/DebugInfo/X86/debug-info-blocks.ll
Shiva Chen a2029fa58e [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 
In order to set breakpoints on labels and list source code around
labels, we need collect debug information for labels, i.e., label
name, the function label belong, line number in the file, and the
address label located. In order to keep these information in LLVM
IR and to allow backend to generate debug information correctly.
We create a new kind of metadata for labels, DILabel. The format
of DILabel is

!DILabel(scope: !1, name: "foo", file: !2, line: 3)

We hope to keep debug information as much as possible even the
code is optimized. So, we create a new kind of intrinsic for label
metadata to avoid the metadata is eliminated with basic block.
The intrinsic will keep existing if we keep it from optimized out.
The format of the intrinsic is

llvm.dbg.label(metadata !1)

It has only one argument, that is the DILabel metadata. The
intrinsic will follow the label immediately. Backend could get the
label metadata through the intrinsic's parameter.

We also create DIBuilder API for labels to be used by Frontend.
Frontend could use createLabel() to allocate DILabel objects, and use
insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR.

Differential Revision: https://reviews.llvm.org/D45024

Patch by Hsiangkai Wang.

llvm-svn: 331841
2018-05-09 02:40:45 +00:00

381 lines
30 KiB
LLVM
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; RUN: llc -mtriple x86_64-apple-darwin -filetype=obj -o %t.o < %s
; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s
; Generated from llvm/tools/clang/test/CodeGenObjC/debug-info-blocks.m
; rdar://problem/9279956
; test that the DW_AT_location of self is at ( fbreg +{{[0-9]+}}, deref, +{{[0-9]+}} )
; CHECK: [[A:.*]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_APPLE_objc_complete_type
; CHECK-NEXT: DW_AT_name{{.*}}"A"
; CHECK: DW_TAG_subprogram
; CHECK: DW_TAG_subprogram
; CHECK: DW_TAG_subprogram
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_object_pointer
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}_block_invoke
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}.block_descriptor
; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_variable
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location{{.*}}(DW_OP_fbreg -24, DW_OP_deref, DW_OP_plus_uconst 0x20)
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}}"self"
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_type{{.*}}{[[APTR:.*]]}
; CHECK-NOT: DW_TAG
; CHECK: DW_AT_artificial
; CHECK: [[APTR]]: DW_TAG_pointer_type
; CHECK-NEXT: {[[A]]}
; ModuleID = 'llvm/tools/clang/test/CodeGenObjC/debug-info-blocks.m'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin"
%0 = type opaque
%1 = type opaque
%struct._class_t = type { %struct._class_t*, %struct._class_t*, %struct._objc_cache*, i8* (i8*, i8*)**, %struct._class_ro_t* }
%struct._objc_cache = type opaque
%struct._class_ro_t = type { i32, i32, i32, i8*, i8*, %struct.__method_list_t*, %struct._objc_protocol_list*, %struct._ivar_list_t*, i8*, %struct._prop_list_t* }
%struct.__method_list_t = type { i32, i32, [0 x %struct._objc_method] }
%struct._objc_method = type { i8*, i8*, i8* }
%struct._objc_protocol_list = type { i64, [0 x %struct._protocol_t*] }
%struct._protocol_t = type { i8*, i8*, %struct._objc_protocol_list*, %struct.__method_list_t*, %struct.__method_list_t*, %struct.__method_list_t*, %struct.__method_list_t*, %struct._prop_list_t*, i32, i32, i8** }
%struct._prop_list_t = type { i32, i32, [0 x %struct._prop_t] }
%struct._prop_t = type { i8*, i8* }
%struct._ivar_list_t = type { i32, i32, [0 x %struct._ivar_t] }
%struct._ivar_t = type { i64*, i8*, i8*, i32, i32 }
%struct._message_ref_t = type { i8*, i8* }
%struct._objc_super = type { i8*, i8* }
%struct.__block_descriptor = type { i64, i64 }
%struct.__block_literal_generic = type { i8*, i32, i32, i8*, %struct.__block_descriptor* }
@"OBJC_CLASS_$_A" = global %struct._class_t { %struct._class_t* @"OBJC_METACLASS_$_A", %struct._class_t* @"OBJC_CLASS_$_NSObject", %struct._objc_cache* @_objc_empty_cache, i8* (i8*, i8*)** @_objc_empty_vtable, %struct._class_ro_t* @"\01l_OBJC_CLASS_RO_$_A" }, section "__DATA, __objc_data", align 8
@"\01L_OBJC_CLASSLIST_SUP_REFS_$_" = internal global %struct._class_t* @"OBJC_CLASS_$_A", section "__DATA, __objc_superrefs, regular, no_dead_strip", align 8
@"\01L_OBJC_METH_VAR_NAME_" = internal global [5 x i8] c"init\00", section "__TEXT,__objc_methname,cstring_literals", align 1
@"\01L_OBJC_SELECTOR_REFERENCES_" = internal externally_initialized global i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"OBJC_CLASS_$_NSMutableDictionary" = external global %struct._class_t
@"\01L_OBJC_CLASSLIST_REFERENCES_$_" = internal global %struct._class_t* @"OBJC_CLASS_$_NSMutableDictionary", section "__DATA, __objc_classrefs, regular, no_dead_strip", align 8
@"\01L_OBJC_METH_VAR_NAME_1" = internal global [6 x i8] c"alloc\00", section "__TEXT,__objc_methname,cstring_literals", align 1
@"\01l_objc_msgSend_fixup_alloc" = weak hidden global { i8* (i8*, %struct._message_ref_t*, ...)*, i8* } { i8* (i8*, %struct._message_ref_t*, ...)* @objc_msgSend_fixup, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01L_OBJC_METH_VAR_NAME_1", i32 0, i32 0) }, section "__DATA, __objc_msgrefs, coalesced", align 16
@"\01L_OBJC_METH_VAR_NAME_2" = internal global [6 x i8] c"count\00", section "__TEXT,__objc_methname,cstring_literals", align 1
@"\01l_objc_msgSend_fixup_count" = weak hidden global { i8* (i8*, %struct._message_ref_t*, ...)*, i8* } { i8* (i8*, %struct._message_ref_t*, ...)* @objc_msgSend_fixup, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01L_OBJC_METH_VAR_NAME_2", i32 0, i32 0) }, section "__DATA, __objc_msgrefs, coalesced", align 16
@"OBJC_IVAR_$_A.ivar" = global i64 0, section "__DATA, __objc_ivar", align 8
@_NSConcreteStackBlock = external global i8*
@.str = private unnamed_addr constant [6 x i8] c"v8@?0\00", align 1
@__block_descriptor_tmp = internal constant { i64, i64, i8*, i8*, i8*, i64 } { i64 0, i64 40, i8* bitcast (void (i8*, i8*)* @__copy_helper_block_ to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block_ to i8*), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i32 0, i32 0), i64 256 }
@_objc_empty_cache = external global %struct._objc_cache
@_objc_empty_vtable = external global i8* (i8*, i8*)*
@"OBJC_METACLASS_$_NSObject" = external global %struct._class_t
@"\01L_OBJC_CLASS_NAME_" = internal global [2 x i8] c"A\00", section "__TEXT,__objc_classname,cstring_literals", align 1
@"\01l_OBJC_METACLASS_RO_$_A" = internal global %struct._class_ro_t { i32 1, i32 40, i32 40, i8* null, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), %struct.__method_list_t* null, %struct._objc_protocol_list* null, %struct._ivar_list_t* null, i8* null, %struct._prop_list_t* null }, section "__DATA, __objc_const", align 8
@"OBJC_METACLASS_$_A" = global %struct._class_t { %struct._class_t* @"OBJC_METACLASS_$_NSObject", %struct._class_t* @"OBJC_METACLASS_$_NSObject", %struct._objc_cache* @_objc_empty_cache, i8* (i8*, i8*)** @_objc_empty_vtable, %struct._class_ro_t* @"\01l_OBJC_METACLASS_RO_$_A" }, section "__DATA, __objc_data", align 8
@"OBJC_CLASS_$_NSObject" = external global %struct._class_t
@"\01L_OBJC_METH_VAR_TYPE_" = internal global [8 x i8] c"@16@0:8\00", section "__TEXT,__objc_methtype,cstring_literals", align 1
@"\01l_OBJC_$_INSTANCE_METHODS_A" = internal global { i32, i32, [1 x %struct._objc_method] } { i32 24, i32 1, [1 x %struct._objc_method] [%struct._objc_method { i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @"\01L_OBJC_METH_VAR_TYPE_", i32 0, i32 0), i8* bitcast (i8* (%0*, i8*)* @"\01-[A init]" to i8*) }] }, section "__DATA, __objc_const", align 8
@"\01L_OBJC_METH_VAR_NAME_3" = internal global [5 x i8] c"ivar\00", section "__TEXT,__objc_methname,cstring_literals", align 1
@"\01L_OBJC_METH_VAR_TYPE_4" = internal global [2 x i8] c"i\00", section "__TEXT,__objc_methtype,cstring_literals", align 1
@"\01l_OBJC_$_INSTANCE_VARIABLES_A" = internal global { i32, i32, [1 x %struct._ivar_t] } { i32 32, i32 1, [1 x %struct._ivar_t] [%struct._ivar_t { i64* @"OBJC_IVAR_$_A.ivar", i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01L_OBJC_METH_VAR_NAME_3", i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @"\01L_OBJC_METH_VAR_TYPE_4", i32 0, i32 0), i32 2, i32 4 }] }, section "__DATA, __objc_const", align 8
@"\01l_OBJC_CLASS_RO_$_A" = internal global %struct._class_ro_t { i32 0, i32 0, i32 4, i8* null, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), %struct.__method_list_t* bitcast ({ i32, i32, [1 x %struct._objc_method] }* @"\01l_OBJC_$_INSTANCE_METHODS_A" to %struct.__method_list_t*), %struct._objc_protocol_list* null, %struct._ivar_list_t* bitcast ({ i32, i32, [1 x %struct._ivar_t] }* @"\01l_OBJC_$_INSTANCE_VARIABLES_A" to %struct._ivar_list_t*), i8* null, %struct._prop_list_t* null }, section "__DATA, __objc_const", align 8
@"\01L_OBJC_CLASSLIST_REFERENCES_$_5" = internal global %struct._class_t* @"OBJC_CLASS_$_A", section "__DATA, __objc_classrefs, regular, no_dead_strip", align 8
@"\01L_OBJC_LABEL_CLASS_$" = internal global [1 x i8*] [i8* bitcast (%struct._class_t* @"OBJC_CLASS_$_A" to i8*)], section "__DATA, __objc_classlist, regular, no_dead_strip", align 8
@llvm.used = appending global [14 x i8*] [i8* bitcast (%struct._class_t** @"\01L_OBJC_CLASSLIST_SUP_REFS_$_" to i8*), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_" to i8*), i8* bitcast (%struct._class_t** @"\01L_OBJC_CLASSLIST_REFERENCES_$_" to i8*), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01L_OBJC_METH_VAR_NAME_1", i32 0, i32 0), i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01L_OBJC_METH_VAR_NAME_2", i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @"\01L_OBJC_CLASS_NAME_", i32 0, i32 0), i8* getelementptr inbounds ([8 x i8], [8 x i8]* @"\01L_OBJC_METH_VAR_TYPE_", i32 0, i32 0), i8* bitcast ({ i32, i32, [1 x %struct._objc_method] }* @"\01l_OBJC_$_INSTANCE_METHODS_A" to i8*), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01L_OBJC_METH_VAR_NAME_3", i32 0, i32 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @"\01L_OBJC_METH_VAR_TYPE_4", i32 0, i32 0), i8* bitcast ({ i32, i32, [1 x %struct._ivar_t] }* @"\01l_OBJC_$_INSTANCE_VARIABLES_A" to i8*), i8* bitcast (%struct._class_t** @"\01L_OBJC_CLASSLIST_REFERENCES_$_5" to i8*), i8* bitcast ([1 x i8*]* @"\01L_OBJC_LABEL_CLASS_$" to i8*)], section "llvm.metadata"
define internal i8* @"\01-[A init]"(%0* %self, i8* %_cmd) #0 !dbg !13 {
%1 = alloca %0*, align 8
%2 = alloca i8*, align 8
%3 = alloca %struct._objc_super
%4 = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, align 8
store %0* %self, %0** %1, align 8
call void @llvm.dbg.declare(metadata %0** %1, metadata !60, metadata !DIExpression()), !dbg !62
store i8* %_cmd, i8** %2, align 8
call void @llvm.dbg.declare(metadata i8** %2, metadata !63, metadata !DIExpression()), !dbg !62
%5 = load %0*, %0** %1, !dbg !65
%6 = bitcast %0* %5 to i8*, !dbg !65
%7 = getelementptr inbounds %struct._objc_super, %struct._objc_super* %3, i32 0, i32 0, !dbg !65
store i8* %6, i8** %7, !dbg !65
%8 = load %struct._class_t*, %struct._class_t** @"\01L_OBJC_CLASSLIST_SUP_REFS_$_", !dbg !65
%9 = bitcast %struct._class_t* %8 to i8*, !dbg !65
%10 = getelementptr inbounds %struct._objc_super, %struct._objc_super* %3, i32 0, i32 1, !dbg !65
store i8* %9, i8** %10, !dbg !65
%11 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !dbg !65, !invariant.load !67
%12 = call i8* bitcast (i8* (%struct._objc_super*, i8*, ...)* @objc_msgSendSuper2 to i8* (%struct._objc_super*, i8*)*)(%struct._objc_super* %3, i8* %11), !dbg !65
%13 = bitcast i8* %12 to %0*, !dbg !65
store %0* %13, %0** %1, align 8, !dbg !65
%14 = icmp ne %0* %13, null, !dbg !65
br i1 %14, label %15, label %24, !dbg !65
; <label>:15 ; preds = %0
%16 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 0, !dbg !68
store i8* bitcast (i8** @_NSConcreteStackBlock to i8*), i8** %16, !dbg !68
%17 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 1, !dbg !68
store i32 -1040187392, i32* %17, !dbg !68
%18 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 2, !dbg !68
store i32 0, i32* %18, !dbg !68
%19 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 3, !dbg !68
store i8* bitcast (void (i8*)* @"__9-[A init]_block_invoke" to i8*), i8** %19, !dbg !68
%20 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 4, !dbg !68
store %struct.__block_descriptor* bitcast ({ i64, i64, i8*, i8*, i8*, i64 }* @__block_descriptor_tmp to %struct.__block_descriptor*), %struct.__block_descriptor** %20, !dbg !68
%21 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 5, !dbg !68
%22 = load %0*, %0** %1, align 8, !dbg !68
store %0* %22, %0** %21, align 8, !dbg !68
%23 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4 to void ()*, !dbg !68
call void @run(void ()* %23), !dbg !68
br label %24, !dbg !70
; <label>:24 ; preds = %15, %0
%25 = load %0*, %0** %1, align 8, !dbg !71
%26 = bitcast %0* %25 to i8*, !dbg !71
ret i8* %26, !dbg !71
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
declare i8* @objc_msgSendSuper2(%struct._objc_super*, i8*, ...)
define internal void @run(void ()* %block) #0 !dbg !39 {
%1 = alloca void ()*, align 8
store void ()* %block, void ()** %1, align 8
call void @llvm.dbg.declare(metadata void ()** %1, metadata !72, metadata !DIExpression()), !dbg !73
%2 = load void ()*, void ()** %1, align 8, !dbg !74
%3 = bitcast void ()* %2 to %struct.__block_literal_generic*, !dbg !74
%4 = getelementptr inbounds %struct.__block_literal_generic, %struct.__block_literal_generic* %3, i32 0, i32 3, !dbg !74
%5 = bitcast %struct.__block_literal_generic* %3 to i8*, !dbg !74
%6 = load i8*, i8** %4, !dbg !74
%7 = bitcast i8* %6 to void (i8*)*, !dbg !74
call void %7(i8* %5), !dbg !74
ret void, !dbg !75
}
define internal void @"__9-[A init]_block_invoke"(i8* %.block_descriptor) #0 !dbg !27 {
%1 = alloca i8*, align 8
%2 = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, align 8
%d = alloca %1*, align 8
store i8* %.block_descriptor, i8** %1, align 8
%3 = load i8*, i8** %1
call void @llvm.dbg.value(metadata i8* %3, metadata !76, metadata !DIExpression()), !dbg !88
call void @llvm.dbg.declare(metadata i8* %.block_descriptor, metadata !76, metadata !DIExpression()), !dbg !88
%4 = bitcast i8* %.block_descriptor to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !88
store <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>** %2, align 8, !dbg !88
%5 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 5, !dbg !88
call void @llvm.dbg.declare(metadata <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>** %2, metadata !89, metadata !111), !dbg !90
call void @llvm.dbg.declare(metadata %1** %d, metadata !91, metadata !DIExpression()), !dbg !100
%6 = load %struct._class_t*, %struct._class_t** @"\01L_OBJC_CLASSLIST_REFERENCES_$_", !dbg !100
%7 = bitcast %struct._class_t* %6 to i8*, !dbg !100
%8 = load i8*, i8** getelementptr inbounds (%struct._message_ref_t, %struct._message_ref_t* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_alloc" to %struct._message_ref_t*), i32 0, i32 0), !dbg !100
%9 = bitcast i8* %8 to i8* (i8*, i8*)*, !dbg !100
%10 = call i8* %9(i8* %7, i8* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_alloc" to i8*)), !dbg !100
%11 = bitcast i8* %10 to %1*, !dbg !100
%12 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !dbg !100, !invariant.load !67
%13 = bitcast %1* %11 to i8*, !dbg !100
%14 = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %13, i8* %12), !dbg !100
%15 = bitcast i8* %14 to %1*, !dbg !100
store %1* %15, %1** %d, align 8, !dbg !100
%16 = load %1*, %1** %d, align 8, !dbg !101
%17 = bitcast %1* %16 to i8*, !dbg !101
%18 = load i8*, i8** getelementptr inbounds (%struct._message_ref_t, %struct._message_ref_t* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_count" to %struct._message_ref_t*), i32 0, i32 0), !dbg !101
%19 = bitcast i8* %18 to i32 (i8*, i8*)*, !dbg !101
%20 = call i32 %19(i8* %17, i8* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_count" to i8*)), !dbg !101
%21 = add nsw i32 42, %20, !dbg !101
%22 = load %0*, %0** %5, align 8, !dbg !101
%23 = load i64, i64* @"OBJC_IVAR_$_A.ivar", !dbg !101, !invariant.load !67
%24 = bitcast %0* %22 to i8*, !dbg !101
%25 = getelementptr inbounds i8, i8* %24, i64 %23, !dbg !101
%26 = bitcast i8* %25 to i32*, !dbg !101
store i32 %21, i32* %26, align 4, !dbg !101
ret void, !dbg !90
}
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
declare i8* @objc_msgSend_fixup(i8*, %struct._message_ref_t*, ...)
declare i8* @objc_msgSend(i8*, i8*, ...) #2
define internal void @__copy_helper_block_(i8*, i8*) !dbg !31 {
%3 = alloca i8*, align 8
%4 = alloca i8*, align 8
store i8* %0, i8** %3, align 8
call void @llvm.dbg.declare(metadata i8** %3, metadata !102, metadata !DIExpression()), !dbg !103
store i8* %1, i8** %4, align 8
call void @llvm.dbg.declare(metadata i8** %4, metadata !104, metadata !DIExpression()), !dbg !103
%5 = load i8*, i8** %4, !dbg !103
%6 = bitcast i8* %5 to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !103
%7 = load i8*, i8** %3, !dbg !103
%8 = bitcast i8* %7 to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !103
%9 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %6, i32 0, i32 5, !dbg !103
%10 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %8, i32 0, i32 5, !dbg !103
%11 = load %0*, %0** %9, !dbg !103
%12 = bitcast %0* %11 to i8*, !dbg !103
%13 = bitcast %0** %10 to i8*, !dbg !103
call void @_Block_object_assign(i8* %13, i8* %12, i32 3) #3, !dbg !103
ret void, !dbg !103
}
declare void @_Block_object_assign(i8*, i8*, i32)
define internal void @__destroy_helper_block_(i8*) !dbg !35 {
%2 = alloca i8*, align 8
store i8* %0, i8** %2, align 8
call void @llvm.dbg.declare(metadata i8** %2, metadata !105, metadata !DIExpression()), !dbg !106
%3 = load i8*, i8** %2, !dbg !106
%4 = bitcast i8* %3 to <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>*, !dbg !106
%5 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, %0* }>* %4, i32 0, i32 5, !dbg !106
%6 = load %0*, %0** %5, !dbg !106
%7 = bitcast %0* %6 to i8*, !dbg !106
call void @_Block_object_dispose(i8* %7, i32 3) #3, !dbg !106
ret void, !dbg !106
}
declare void @_Block_object_dispose(i8*, i32)
define i32 @main() #0 !dbg !36 {
%1 = alloca i32, align 4
%a = alloca %0*, align 8
store i32 0, i32* %1
call void @llvm.dbg.declare(metadata %0** %a, metadata !107, metadata !DIExpression()), !dbg !108
%2 = load %struct._class_t*, %struct._class_t** @"\01L_OBJC_CLASSLIST_REFERENCES_$_5", !dbg !108
%3 = bitcast %struct._class_t* %2 to i8*, !dbg !108
%4 = load i8*, i8** getelementptr inbounds (%struct._message_ref_t, %struct._message_ref_t* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_alloc" to %struct._message_ref_t*), i32 0, i32 0), !dbg !108
%5 = bitcast i8* %4 to i8* (i8*, i8*)*, !dbg !108
%6 = call i8* %5(i8* %3, i8* bitcast ({ i8* (i8*, %struct._message_ref_t*, ...)*, i8* }* @"\01l_objc_msgSend_fixup_alloc" to i8*)), !dbg !108
%7 = bitcast i8* %6 to %0*, !dbg !108
%8 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !dbg !108, !invariant.load !67
%9 = bitcast %0* %7 to i8*, !dbg !108
%10 = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %9, i8* %8), !dbg !108
%11 = bitcast i8* %10 to %0*, !dbg !108
store %0* %11, %0** %a, align 8, !dbg !108
ret i32 0, !dbg !109
}
attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { nonlazybind }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!56, !57, !58, !59, !110}
!0 = distinct !DICompileUnit(language: DW_LANG_ObjC, producer: "clang version 3.3 ", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
!1 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/<unknown>", directory: "llvm/_build.ninja.Debug")
!2 = !{}
!3 = !{!4}
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 33, size: 32, align: 32, flags: DIFlagObjcClassComplete, runtimeLang: DW_LANG_ObjC, file: !5, scope: !6, elements: !7)
!5 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/debug-info-blocks.m", directory: "llvm/_build.ninja.Debug")
!6 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/debug-info-blocks.m", directory: "llvm/_build.ninja.Debug")
!7 = !{!8, !10}
!8 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !4, baseType: !9)
!9 = !DICompositeType(tag: DW_TAG_structure_type, name: "NSObject", line: 21, align: 8, runtimeLang: DW_LANG_ObjC, file: !5, scope: !6, elements: !2)
!10 = !DIDerivedType(tag: DW_TAG_member, name: "ivar", line: 35, size: 32, align: 32, file: !5, scope: !6, baseType: !11)
!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!13 = distinct !DISubprogram(name: "-[A init]", line: 46, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 46, file: !5, scope: !6, type: !14, retainedNodes: !2)
!14 = !DISubroutineType(types: !15)
!15 = !{!16, !23, !24}
!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "id", line: 46, file: !5, baseType: !17)
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !18)
!18 = !DICompositeType(tag: DW_TAG_structure_type, name: "objc_object", file: !1, elements: !19)
!19 = !{!20}
!20 = !DIDerivedType(tag: DW_TAG_member, name: "isa", size: 64, file: !1, scope: !18, baseType: !21)
!21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !22)
!22 = !DICompositeType(tag: DW_TAG_structure_type, name: "objc_class", flags: DIFlagFwdDecl, file: !1)
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
!24 = !DIDerivedType(tag: DW_TAG_typedef, name: "SEL", line: 46, flags: DIFlagArtificial, file: !5, baseType: !25)
!25 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !26)
!26 = !DICompositeType(tag: DW_TAG_structure_type, name: "objc_selector", flags: DIFlagFwdDecl, file: !1)
!27 = distinct !DISubprogram(name: "__9-[A init]_block_invoke", line: 49, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 49, file: !5, scope: !6, type: !28, retainedNodes: !2)
!28 = !DISubroutineType(types: !29)
!29 = !{null, !30}
!30 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
!31 = distinct !DISubprogram(name: "__copy_helper_block_", line: 52, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 52, file: !1, scope: !32, type: !33, retainedNodes: !2)
!32 = !DIFile(filename: "llvm/tools/clang/test/CodeGenObjC/<unknown>", directory: "llvm/_build.ninja.Debug")
!33 = !DISubroutineType(types: !34)
!34 = !{null, !30, !30}
!35 = distinct !DISubprogram(name: "__destroy_helper_block_", line: 52, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 52, file: !1, scope: !32, type: !28, retainedNodes: !2)
!36 = distinct !DISubprogram(name: "main", line: 59, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, scopeLine: 60, file: !5, scope: !6, type: !37, retainedNodes: !2)
!37 = !DISubroutineType(types: !38)
!38 = !{!11}
!39 = distinct !DISubprogram(name: "run", line: 39, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 40, file: !5, scope: !6, type: !40, retainedNodes: !2)
!40 = !DISubroutineType(types: !41)
!41 = !{null, !42}
!42 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !43)
!43 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_generic", line: 40, size: 256, flags: DIFlagAppleBlock, file: !5, scope: !6, elements: !44)
!44 = !{!45, !46, !47, !48, !49}
!45 = !DIDerivedType(tag: DW_TAG_member, name: "__isa", size: 64, align: 64, file: !5, scope: !6, baseType: !30)
!46 = !DIDerivedType(tag: DW_TAG_member, name: "__flags", size: 32, align: 32, offset: 64, file: !5, scope: !6, baseType: !11)
!47 = !DIDerivedType(tag: DW_TAG_member, name: "__reserved", size: 32, align: 32, offset: 96, file: !5, scope: !6, baseType: !11)
!48 = !DIDerivedType(tag: DW_TAG_member, name: "__FuncPtr", size: 64, align: 64, offset: 128, file: !5, scope: !6, baseType: !30)
!49 = !DIDerivedType(tag: DW_TAG_member, name: "__descriptor", line: 40, size: 64, align: 64, offset: 192, file: !5, scope: !6, baseType: !50)
!50 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !51)
!51 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_descriptor", line: 40, size: 128, flags: DIFlagAppleBlock, file: !5, scope: !6, elements: !52)
!52 = !{!53, !55}
!53 = !DIDerivedType(tag: DW_TAG_member, name: "reserved", size: 64, align: 64, file: !5, scope: !6, baseType: !54)
!54 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned)
!55 = !DIDerivedType(tag: DW_TAG_member, name: "Size", size: 64, align: 64, offset: 64, file: !5, scope: !6, baseType: !54)
!56 = !{i32 1, !"Objective-C Version", i32 2}
!57 = !{i32 1, !"Objective-C Image Info Version", i32 0}
!58 = !{i32 1, !"Objective-C Image Info Section", !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
!59 = !{i32 4, !"Objective-C Garbage Collection", i32 0}
!60 = !DILocalVariable(name: "self", line: 46, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !13, file: !32, type: !61)
!61 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
!62 = !DILocation(line: 46, scope: !13)
!63 = !DILocalVariable(name: "_cmd", line: 46, arg: 2, flags: DIFlagArtificial, scope: !13, file: !32, type: !64)
!64 = !DIDerivedType(tag: DW_TAG_typedef, name: "SEL", line: 46, file: !5, baseType: !25)
!65 = !DILocation(line: 48, scope: !66)
!66 = distinct !DILexicalBlock(line: 47, column: 0, file: !5, scope: !13)
!67 = !{}
!68 = !DILocation(line: 49, scope: !69)
!69 = distinct !DILexicalBlock(line: 48, column: 0, file: !5, scope: !66)
!70 = !DILocation(line: 53, scope: !69)
!71 = !DILocation(line: 54, scope: !66)
!72 = !DILocalVariable(name: "block", line: 39, arg: 1, scope: !39, file: !6, type: !42)
!73 = !DILocation(line: 39, scope: !39)
!74 = !DILocation(line: 41, scope: !39)
!75 = !DILocation(line: 42, scope: !39)
!76 = !DILocalVariable(name: ".block_descriptor", line: 49, arg: 1, flags: DIFlagArtificial, scope: !27, file: !6, type: !77)
!77 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !78)
!78 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_literal_1", line: 49, size: 320, align: 64, file: !5, scope: !6, elements: !79)
!79 = !{!80, !81, !82, !83, !84, !87}
!80 = !DIDerivedType(tag: DW_TAG_member, name: "__isa", line: 49, size: 64, align: 64, file: !5, scope: !6, baseType: !30)
!81 = !DIDerivedType(tag: DW_TAG_member, name: "__flags", line: 49, size: 32, align: 32, offset: 64, file: !5, scope: !6, baseType: !11)
!82 = !DIDerivedType(tag: DW_TAG_member, name: "__reserved", line: 49, size: 32, align: 32, offset: 96, file: !5, scope: !6, baseType: !11)
!83 = !DIDerivedType(tag: DW_TAG_member, name: "__FuncPtr", line: 49, size: 64, align: 64, offset: 128, file: !5, scope: !6, baseType: !30)
!84 = !DIDerivedType(tag: DW_TAG_member, name: "__descriptor", line: 49, size: 64, align: 64, offset: 192, file: !5, scope: !6, baseType: !85)
!85 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !86)
!86 = !DICompositeType(tag: DW_TAG_structure_type, name: "__block_descriptor_withcopydispose", line: 49, flags: DIFlagFwdDecl, file: !1)
!87 = !DIDerivedType(tag: DW_TAG_member, name: "self", line: 49, size: 64, align: 64, offset: 256, file: !5, scope: !6, baseType: !61)
!88 = !DILocation(line: 49, scope: !27)
!89 = !DILocalVariable(name: "self", line: 52, scope: !27, file: !32, type: !23)
!90 = !DILocation(line: 52, scope: !27)
!91 = !DILocalVariable(name: "d", line: 50, scope: !92, file: !6, type: !93)
!92 = distinct !DILexicalBlock(line: 49, column: 0, file: !5, scope: !27)
!93 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !94)
!94 = !DICompositeType(tag: DW_TAG_structure_type, name: "NSMutableDictionary", line: 30, align: 8, runtimeLang: DW_LANG_ObjC, file: !5, scope: !6, elements: !95)
!95 = !{!96}
!96 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !94, baseType: !97)
!97 = !DICompositeType(tag: DW_TAG_structure_type, name: "NSDictionary", line: 26, align: 8, runtimeLang: DW_LANG_ObjC, file: !5, scope: !6, elements: !98)
!98 = !{!99}
!99 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !97, baseType: !9)
!100 = !DILocation(line: 50, scope: !92)
!101 = !DILocation(line: 51, scope: !92)
!102 = !DILocalVariable(name: "", line: 52, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, file: !32, type: !30)
!103 = !DILocation(line: 52, scope: !31)
!104 = !DILocalVariable(name: "", line: 52, arg: 2, flags: DIFlagArtificial, scope: !31, file: !32, type: !30)
!105 = !DILocalVariable(name: "", line: 52, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !35, file: !32, type: !30)
!106 = !DILocation(line: 52, scope: !35)
!107 = !DILocalVariable(name: "a", line: 61, scope: !36, file: !6, type: !61)
!108 = !DILocation(line: 61, scope: !36)
!109 = !DILocation(line: 62, scope: !36)
!110 = !{i32 1, !"Debug Info Version", i32 3}
!111 = !DIExpression(DW_OP_deref, DW_OP_plus_uconst, 32)
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