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+// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple x86_64-apple-darwin -O0 -emit-llvm %s -o %t-64.s
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+// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
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+// rdar://12184410
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+
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+void x(id y) {}
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+void y(int a) {}
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+
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+extern id opaque_id();
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+
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+void f() {
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+ __weak id wid;
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+ __block int byref_int = 0;
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+ char ch = 'a';
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+ char ch1 = 'b';
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+ char ch2 = 'c';
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+ short sh = 2;
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+ const id bar = (id) opaque_id();
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+ id baz = 0;
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+ __strong id strong_void_sta;
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+ __block id byref_bab = (id)0;
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+ __block id bl_var1;
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+ int i; double dob;
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+
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+// The patterns here are a sequence of bytes, each saying first how
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+// many sizeof(void*) chunks to skip (high nibble) and then how many
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+// to scan (low nibble). A zero byte says that we've reached the end
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+// of the pattern.
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+//
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+// All of these patterns start with 01 3x because the block header on
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+// LP64 consists of an isa pointer (which we're supposed to scan for
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+// some reason) followed by three words (2 ints, a function pointer,
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+// and a descriptor pointer).
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+
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+// Test 1
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+// block variable layout: BL_BYREF:1, BL_STRONG:3, BL_BYREF:1, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [4 x i8] c"@2@\00"
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+ void (^b)() = ^{
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+ byref_int = sh + ch+ch1+ch2 ;
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+ x(bar);
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+ x(baz);
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+ x((id)strong_void_sta);
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+ x(byref_bab);
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+ };
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+ b();
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+
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+// Test 2
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+// block variable layout: BL_BYREF:1, BL_STRONG:3, BL_WEAK:1, BL_BYREF:2, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [5 x i8] c"@2PA\00"
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+ void (^c)() = ^{
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+ byref_int = sh + ch+ch1+ch2 ;
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+ x(bar);
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+ x(baz);
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+ x((id)strong_void_sta);
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+ x(wid);
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+ bl_var1 = 0;
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+ x(byref_bab);
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+ };
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+}
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+
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+@class NSString, NSNumber;
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+void g() {
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+ NSString *foo;
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+ NSNumber *bar;
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+ unsigned int bletch;
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+ __weak id weak_delegate;
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+ unsigned int i;
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+ NSString *y;
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+ NSString *z;
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+// block variable layout: BL_STRONG:2, BL_WEAK:1, BL_STRONG:2, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [4 x i8] c"1P1\00"
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+ void (^c)() = ^{
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+ int j = i + bletch;
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+ x(foo);
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+ x(bar);
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+ x(weak_delegate);
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+ x(y);
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+ x(z);
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+ };
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+ c();
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+}
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+
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+// Test 5 (unions/structs and their nesting):
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+void h() {
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+ struct S5 {
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+ int i1;
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+ __unsafe_unretained id o1;
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+ struct V {
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+ int i2;
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+ __unsafe_unretained id o2;
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+ } v1;
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+ int i3;
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+ union UI {
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+ void * i1;
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+ __unsafe_unretained id o1;
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+ int i3;
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+ __unsafe_unretained id o3;
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+ }ui;
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+ };
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+
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+ union U {
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+ void * i1;
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+ __unsafe_unretained id o1;
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+ int i3;
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+ __unsafe_unretained id o3;
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+ }ui;
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+
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+ struct S5 s2;
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+ union U u2;
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+ __block id block_id;
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+
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+/**
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+block variable layout: BL_NON_OBJECT_WORD:1, BL_UNRETAINE:1, BL_NON_OBJECT_WORD:1,
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+ BL_UNRETAINE:1, BL_NON_OBJECT_WORD:3, BL_BYREF:1, BL_OPERATOR:0
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+*/
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [7 x i8] c" ` `\22@\00"
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+ void (^c)() = ^{
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+ x(s2.ui.o1);
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+ x(u2.o1);
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+ block_id = 0;
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+ };
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+ c();
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+}
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+
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+// Test for array of stuff.
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+void arr1() {
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+ struct S {
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+ __unsafe_unretained id unsafe_unretained_var[4];
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+ } imported_s;
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+
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+// block variable layout: BL_UNRETAINE:4, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [2 x i8] c"c\00"
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+ void (^c)() = ^{
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+ x(imported_s.unsafe_unretained_var[2]);
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+ };
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+
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+ c();
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+}
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+
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+// Test2 for array of stuff.
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+void arr2() {
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+ struct S {
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+ int a;
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+ __unsafe_unretained id unsafe_unretained_var[4];
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+ } imported_s;
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+
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+// block variable layout: BL_NON_OBJECT_WORD:1, BL_UNRETAINE:4, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [3 x i8] c" c\00"
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+ void (^c)() = ^{
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+ x(imported_s.unsafe_unretained_var[2]);
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+ };
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+
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+ c();
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+}
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+
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+// Test3 for array of stuff.
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+void arr3() {
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+ struct S {
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+ int a;
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+ __unsafe_unretained id unsafe_unretained_var[0];
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+ } imported_s;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ void (^c)() = ^{
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+ int i = imported_s.a;
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+ };
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+
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+ c();
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+}
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+
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+
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+// Test4 for array of stuff.
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+@class B;
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+void arr4() {
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+ struct S {
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+ struct s0 {
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+ __unsafe_unretained id s_f0;
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+ __unsafe_unretained id s_f1;
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+ } f0;
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+
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+ __unsafe_unretained id f1;
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+
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+ struct s1 {
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+ int *f0;
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+ __unsafe_unretained B *f1;
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+ } f4[2][2];
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+ } captured_s;
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+
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+/**
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+block variable layout: BL_UNRETAINE:3,
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+ BL_NON_OBJECT_WORD:1, BL_UNRETAINE:1,
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+ BL_NON_OBJECT_WORD:1, BL_UNRETAINE:1,
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+ BL_NON_OBJECT_WORD:1, BL_UNRETAINE:1,
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+ BL_NON_OBJECT_WORD:1, BL_UNRETAINE:1,
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+ BL_OPERATOR:0
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+*/
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [10 x i8]
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+ void (^c)() = ^{
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+ id i = captured_s.f0.s_f1;
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+ };
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+
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+ c();
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+}
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+
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+// Test1 bitfield in cpatured aggregate.
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+void bf1() {
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+ struct S {
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+ int flag : 25;
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+ int flag1: 7;
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+ int flag2 :1;
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+ int flag3: 7;
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+ int flag4: 24;
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+ } s;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ int (^c)() = ^{
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+ return s.flag;
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+ };
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+ c();
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+}
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+
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+// Test2 bitfield in cpatured aggregate.
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+void bf2() {
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+ struct S {
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+ int flag : 1;
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+ } s;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ int (^c)() = ^{
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+ return s.flag;
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+ };
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+ c();
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+}
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+
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+// Test3 bitfield in cpatured aggregate.
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+void bf3() {
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+
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+ struct {
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+ unsigned short _reserved : 16;
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+
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+ unsigned char _draggedNodesAreDeletable: 1;
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+ unsigned char _draggedOutsideOutlineView : 1;
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+ unsigned char _adapterRespondsTo_addRootPaths : 1;
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+ unsigned char _adapterRespondsTo_moveDataNodes : 1;
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+ unsigned char _adapterRespondsTo_removeRootDataNode : 1;
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+ unsigned char _adapterRespondsTo_doubleClickDataNode : 1;
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+ unsigned char _adapterRespondsTo_selectDataNode : 1;
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+ unsigned char _adapterRespondsTo_textDidEndEditing : 1;
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+ unsigned char _adapterRespondsTo_updateAndSaveRoots : 1;
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+ unsigned char _adapterRespondsTo_askToDeleteRootNodes : 1;
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+ unsigned char _adapterRespondsTo_contextMenuForSelectedNodes : 1;
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+ unsigned char _adapterRespondsTo_pasteboardFilenamesForNodes : 1;
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+ unsigned char _adapterRespondsTo_writeItemsToPasteboard : 1;
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+ unsigned char _adapterRespondsTo_writeItemsToPasteboardXXXX : 1;
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+
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+ unsigned int _filler : 32;
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+ } _flags;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ unsigned char (^c)() = ^{
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+ return _flags._draggedNodesAreDeletable;
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+ };
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+
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+ c();
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+}
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+
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+// Test4 unnamed bitfield
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+void bf4() {
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+
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+ struct {
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+ unsigned short _reserved : 16;
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+
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+ unsigned char _draggedNodesAreDeletable: 1;
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+ unsigned char _draggedOutsideOutlineView : 1;
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+ unsigned char _adapterRespondsTo_addRootPaths : 1;
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+ unsigned char _adapterRespondsTo_moveDataNodes : 1;
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+ unsigned char _adapterRespondsTo_removeRootDataNode : 1;
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+ unsigned char _adapterRespondsTo_doubleClickDataNode : 1;
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+ unsigned char _adapterRespondsTo_selectDataNode : 1;
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+ unsigned char _adapterRespondsTo_textDidEndEditing : 1;
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+
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+ unsigned long long : 64;
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+
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+ unsigned char _adapterRespondsTo_updateAndSaveRoots : 1;
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+ unsigned char _adapterRespondsTo_askToDeleteRootNodes : 1;
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+ unsigned char _adapterRespondsTo_contextMenuForSelectedNodes : 1;
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+ unsigned char _adapterRespondsTo_pasteboardFilenamesForNodes : 1;
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+ unsigned char _adapterRespondsTo_writeItemsToPasteboard : 1;
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+ unsigned char _adapterRespondsTo_writeItemsToPasteboardXXXX : 1;
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+
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+ unsigned int _filler : 32;
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+ } _flags;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ unsigned char (^c)() = ^{
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+ return _flags._draggedNodesAreDeletable;
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+ };
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+
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+ c();
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+}
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+
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+
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+
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+// Test5 unnamed bitfield.
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+void bf5() {
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+ struct {
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+ unsigned char flag : 1;
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+ unsigned int : 32;
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+ unsigned char flag1 : 1;
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+ } _flags;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ unsigned char (^c)() = ^{
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+ return _flags.flag;
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+ };
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+
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+ c();
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+}
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+
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+
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+// Test6 0 length bitfield.
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+void bf6() {
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+ struct {
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+ unsigned char flag : 1;
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+ unsigned int : 0;
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+ unsigned char flag1 : 1;
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+ } _flags;
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+
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+// block variable layout: BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [1 x i8] zeroinitializer
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+ unsigned char (^c)() = ^{
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+ return _flags.flag;
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+ };
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+
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+ c();
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+}
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+
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+// Test7 large number of captured variables.
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+void Test7() {
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+ __weak id wid;
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+ __weak id wid1, wid2, wid3, wid4;
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+ __weak id wid5, wid6, wid7, wid8;
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+ __weak id wid9, wid10, wid11, wid12;
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+ __weak id wid13, wid14, wid15, wid16;
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+ const id bar = (id) opaque_id();
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+//block variable layout: BL_STRONG:1, BL_WEAK:16, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [3 x i8] c"0_\00"
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+ void (^b)() = ^{
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+ x(bar);
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+ x(wid1);
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+ x(wid2);
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+ x(wid3);
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+ x(wid4);
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+ x(wid5);
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+ x(wid6);
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+ x(wid7);
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+ x(wid8);
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+ x(wid9);
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+ x(wid10);
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+ x(wid11);
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+ x(wid12);
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+ x(wid13);
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+ x(wid14);
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+ x(wid15);
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+ x(wid16);
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+ };
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+}
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+
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+
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+// Test 8 very large number of captured variables.
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+void Test8() {
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+__weak id wid;
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+ __weak id wid1, wid2, wid3, wid4;
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+ __weak id wid5, wid6, wid7, wid8;
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+ __weak id wid9, wid10, wid11, wid12;
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+ __weak id wid13, wid14, wid15, wid16;
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+ __weak id w1, w2, w3, w4;
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+ __weak id w5, w6, w7, w8;
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+ __weak id w9, w10, w11, w12;
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+ __weak id w13, w14, w15, w16;
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+ const id bar = (id) opaque_id();
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+// block variable layout: BL_STRONG:1, BL_WEAK:16, BL_WEAK:16, BL_WEAK:1, BL_OPERATOR:0
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+// CHECK-LP64: @"\01L_OBJC_CLASS_NAME_{{.*}}" = internal global [5 x i8]
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+ void (^b)() = ^{
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+ x(bar);
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+ x(wid1);
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+ x(wid2);
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+ x(wid3);
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+ x(wid4);
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+ x(wid5);
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+ x(wid6);
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+ x(wid7);
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+ x(wid8);
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+ x(wid9);
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+ x(wid10);
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+ x(wid11);
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+ x(wid12);
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+ x(wid13);
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+ x(wid14);
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+ x(wid15);
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+ x(wid16);
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+ x(w1);
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+ x(w2);
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+ x(w3);
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+ x(w4);
|
|
|
+ x(w5);
|
|
|
+ x(w6);
|
|
|
+ x(w7);
|
|
|
+ x(w8);
|
|
|
+ x(w9);
|
|
|
+ x(w10);
|
|
|
+ x(w11);
|
|
|
+ x(w12);
|
|
|
+ x(w13);
|
|
|
+ x(w14);
|
|
|
+ x(w15);
|
|
|
+ x(w16);
|
|
|
+ x(wid);
|
|
|
+ };
|
|
|
+}
|
Fariborz Jahanian