| // RUN: %clang_cc1 -x objective-c++ -fblocks -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -std=c++1z -emit-llvm -o - %s | FileCheck %s |
| |
| // rdar://31385153 |
| // Shouldn't crash! |
| |
| // CHECK: %[[STRUCT_COPYABLE:.*]] = type { i8 } |
| // CHECK: %[[STRUCT_BLOCK_DESCRIPTOR:.*]] = type { i64, i64 } |
| // CHECK: %[[CLASS_ANON:.*]] = type { %[[STRUCT_COPYABLE]] } |
| // CHECK: %[[CLASS_ANON_0:.*]] = type { %[[STRUCT_COPYABLE]] } |
| // CHECK: %[[CLASS_ANON_1:.*]] = type { %[[STRUCT_COPYABLE]] } |
| // CHECK: %[[CLASS_ANON_2:.*]] = type { %[[STRUCT_COPYABLE]] } |
| |
| // CHECK: @[[BLOCK_DESC0:.*]] = internal constant { i64, i64, i8*, i8*, i8*, i8* } { i64 0, i64 33, i8* bitcast (void (i8*, i8*)* @[[COPY_HELPER0:.*__copy_helper_block_.*]] to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block{{.*}} to i8*), {{.*}}}, align 8 |
| // CHECK: @[[BLOCK_DESC1:.*]] = internal constant { i64, i64, i8*, i8*, i8*, i8* } { i64 0, i64 33, i8* bitcast (void (i8*, i8*)* @[[COPY_HELPER1:.*__copy_helper_block_.*]] to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block{{.*}} to i8*), {{.*}}}, align 8 |
| // CHECK: @[[BLOCK_DESC2:.*]] = internal constant { i64, i64, i8*, i8*, i8*, i8* } { i64 0, i64 33, i8* bitcast (void (i8*, i8*)* @[[COPY_HELPER2:.*__copy_helper_block_.*]] to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block{{.*}} to i8*), {{.*}}}, align 8 |
| // CHECK: @[[BLOCK_DESC3:.*]] = internal constant { i64, i64, i8*, i8*, i8*, i8* } { i64 0, i64 33, i8* bitcast (void (i8*, i8*)* @[[COPY_HELPER3:.*__copy_helper_block_.*]] to i8*), i8* bitcast (void (i8*)* @__destroy_helper_block{{.*}} to i8*), {{.*}}}, align 8 |
| |
| // CHECK: define void @_Z9hasLambda8Copyable( |
| // CHECK: %[[BLOCK:.*]] = alloca <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON]] }>, align 8 |
| // CHECK: %[[BLOCK1:.*]] = alloca <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_0]] }>, align 8 |
| // CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON]] }>, <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON]] }>* %[[BLOCK]], i32 0, i32 4 |
| // CHECK: store %[[STRUCT_BLOCK_DESCRIPTOR]]* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @[[BLOCK_DESC0]] to %[[STRUCT_BLOCK_DESCRIPTOR]]*), %[[STRUCT_BLOCK_DESCRIPTOR]]** %[[BLOCK_DESCRIPTOR]], align 8 |
| // CHECK: %[[BLOCK_DESCRIPTOR6:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_0]] }>, <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_0]] }>* %[[BLOCK1]], i32 0, i32 4 |
| // CHECK: store %[[STRUCT_BLOCK_DESCRIPTOR]]* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @[[BLOCK_DESC1]] to %[[STRUCT_BLOCK_DESCRIPTOR]]*), %[[STRUCT_BLOCK_DESCRIPTOR]]** %[[BLOCK_DESCRIPTOR6]], align 8 |
| |
| void takesBlock(void (^)(void)); |
| |
| struct Copyable { |
| Copyable(const Copyable &x); |
| }; |
| |
| // Check that each block has its block descriptor and helper function. |
| |
| void hasLambda(Copyable x) { |
| takesBlock([x] () { }); |
| takesBlock([x] () { }); |
| } |
| // CHECK: define internal void @[[COPY_HELPER0]] |
| // CHECK: call void @"_ZZ9hasLambda8CopyableEN3$_0C1ERKS0_" |
| // CHECK: define internal void @[[COPY_HELPER1]] |
| |
| // CHECK: define void @_Z17testHelperMerging8Copyable( |
| // CHECK: %[[CALL:.*]] = call void ()* @[[CONV_FUNC0:.*]](%[[CLASS_ANON_1]]* |
| // CHECK: call void @_Z10takesBlockU13block_pointerFvvE(void ()* %[[CALL]]) |
| // CHECK: %[[CALL1:.*]] = call void ()* @[[CONV_FUNC0]](%[[CLASS_ANON_1]]* |
| // CHECK: call void @_Z10takesBlockU13block_pointerFvvE(void ()* %[[CALL1]]) |
| // CHECK: %[[CALL2:.*]] = call void ()* @[[CONV_FUNC1:.*]](%[[CLASS_ANON_2]]* |
| // CHECK: call void @_Z10takesBlockU13block_pointerFvvE(void ()* %[[CALL2]]) |
| |
| // CHECK: define internal void ()* @[[CONV_FUNC0]]( |
| // CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_1]] }>, <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_1]] }>* %{{.*}}, i32 0, i32 4 |
| // CHECK: store %[[STRUCT_BLOCK_DESCRIPTOR]]* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @[[BLOCK_DESC2]] to %[[STRUCT_BLOCK_DESCRIPTOR]]*), %[[STRUCT_BLOCK_DESCRIPTOR]]** %[[BLOCK_DESCRIPTOR]], align 8 |
| |
| // CHECK: define internal void ()* @[[CONV_FUNC1]]( |
| // CHECK: %[[BLOCK_DESCRIPTOR:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_2]] }>, <{ i8*, i32, i32, i8*, %[[STRUCT_BLOCK_DESCRIPTOR]]*, %[[CLASS_ANON_2]] }>* %{{.*}}, i32 0, i32 4 |
| // CHECK: store %[[STRUCT_BLOCK_DESCRIPTOR]]* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @[[BLOCK_DESC3]] to %[[STRUCT_BLOCK_DESCRIPTOR]]*), %[[STRUCT_BLOCK_DESCRIPTOR]]** %[[BLOCK_DESCRIPTOR]], align 8 |
| |
| // CHECK-LABEL: define internal void @"_ZZ9hasLambda8CopyableEN3$_0C2ERKS0_" |
| // CHECK: call void @_ZN8CopyableC1ERKS_ |
| |
| // CHECK: define internal void @[[COPY_HELPER2]] |
| // CHECK: define internal void @[[COPY_HELPER3]] |
| |
| void testHelperMerging(Copyable x) { |
| auto lambda0 = [x]{}; |
| auto lambda1 = [x]{}; |
| takesBlock(lambda0); |
| |
| // This block has the same helper functions and a descriptor as the block |
| // created above. |
| takesBlock(lambda0); |
| |
| // This block has different helper functions and a descriptor as the blocks |
| // created above. |
| takesBlock(lambda1); |
| } |