| // RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm -fblocks -o - %s | FileCheck %s |
| |
| // test1. All of this is somehow testing rdar://6676764 |
| struct S { |
| void (^F)(struct S*); |
| } P; |
| |
| |
| @interface T |
| - (int)foo: (T (^)(T*)) x; |
| @end |
| |
| void foo(T *P) { |
| [P foo: 0]; |
| } |
| |
| @interface A |
| -(void) im0; |
| @end |
| |
| // CHECK: define internal i32 @"__8-[A im0]_block_invoke_0"( |
| @implementation A |
| -(void) im0 { |
| (void) ^{ return 1; }(); |
| } |
| @end |
| |
| @interface B : A @end |
| @implementation B |
| -(void) im1 { |
| ^(void) { [self im0]; }(); |
| } |
| -(void) im2 { |
| ^{ [super im0]; }(); |
| } |
| -(void) im3 { |
| ^{ ^{[super im0];}(); }(); |
| } |
| @end |
| |
| // rdar://problem/9006315 |
| // In-depth test for the initialization of a __weak __block variable. |
| @interface Test2 -(void) destroy; @end |
| void test2(Test2 *x) { |
| extern void test2_helper(void (^)(void)); |
| // CHECK: define void @test2( |
| // CHECK: [[X:%.*]] = alloca [[TEST2:%.*]]*, |
| // CHECK-NEXT: [[WEAKX:%.*]] = alloca [[WEAK_T:%.*]], |
| // CHECK-NEXT: [[BLOCK:%.*]] = alloca [[BLOCK_T:%.*]], |
| // CHECK-NEXT: store [[TEST2]]* |
| |
| // isa=1 for weak byrefs. |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 0 |
| // CHECK-NEXT: store i8* inttoptr (i32 1 to i8*), i8** [[T0]] |
| |
| // Forwarding. |
| // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 1 |
| // CHECK-NEXT: store [[WEAK_T]]* [[WEAKX]], [[WEAK_T]]** [[T1]] |
| |
| // Flags. This is just BLOCK_HAS_COPY_DISPOSE. |
| // CHECK-NEXT: [[T2:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 2 |
| // CHECK-NEXT: store i32 33554432, i32* [[T2]] |
| |
| // Size. |
| // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 3 |
| // CHECK-NEXT: store i32 28, i32* [[T3]] |
| |
| // Copy and dipose helpers. |
| // CHECK-NEXT: [[T4:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 4 |
| // CHECK-NEXT: store i8* bitcast (void (i8*, i8*)* @__Block_byref_object_copy_{{.*}} to i8*), i8** [[T4]] |
| // CHECK-NEXT: [[T5:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 5 |
| // CHECK-NEXT: store i8* bitcast (void (i8*)* @__Block_byref_object_dispose_{{.*}} to i8*), i8** [[T5]] |
| |
| // Actually capture the value. |
| // CHECK-NEXT: [[T6:%.*]] = getelementptr inbounds [[WEAK_T]]* [[WEAKX]], i32 0, i32 6 |
| // CHECK-NEXT: [[CAPTURE:%.*]] = load [[TEST2]]** [[X]] |
| // CHECK-NEXT: store [[TEST2]]* [[CAPTURE]], [[TEST2]]** [[T6]] |
| |
| // Then we initialize the block, blah blah blah. |
| // CHECK: call void @test2_helper( |
| |
| // Finally, kill the variable with BLOCK_FIELD_IS_BYREF. We're not |
| // supposed to pass BLOCK_FIELD_IS_WEAK here. |
| // CHECK: [[T0:%.*]] = bitcast [[WEAK_T]]* [[WEAKX]] to i8* |
| // CHECK: call void @_Block_object_dispose(i8* [[T0]], i32 8) |
| |
| __weak __block Test2 *weakX = x; |
| test2_helper(^{ [weakX destroy]; }); |
| } |
| |
| // rdar://problem/9124263 |
| // In the test above, check that the use in the invocation function |
| // doesn't require a read barrier. |
| // CHECK: define internal void @__test2_block_invoke_ |
| // CHECK: [[BLOCK:%.*]] = bitcast i8* {{%.*}} to [[BLOCK_T]]* |
| // CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5 |
| // CHECK-NEXT: [[T1:%.*]] = load i8** [[T0]] |
| // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[WEAK_T]]* |
| // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[WEAK_T]]* [[T2]], i32 0, i32 1 |
| // CHECK-NEXT: [[T4:%.*]] = load [[WEAK_T]]** [[T3]] |
| // CHECK-NEXT: [[WEAKX:%.*]] = getelementptr inbounds [[WEAK_T]]* [[T4]], i32 0, i32 6 |
| // CHECK-NEXT: [[T0:%.*]] = load [[TEST2]]** [[WEAKX]], align 4 |