xref: /llvm-project/clang/test/PCH/arc-blocks.mm (revision f46b0e6d75fa84d2d2d9805e3d2be2c1e6c140f1) 
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -fblocks -std=c++1y -emit-pch %s -o %t
2// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-arc -fblocks -std=c++1y -include-pch %t -fobjc-avoid-heapify-local-blocks -emit-llvm -o - %s | FileCheck %s
3
4#ifndef HEADER_INCLUDED
5#define HEADER_INCLUDED
6
7namespace test_block_retain {
8  typedef void (^BlockTy)();
9  void foo1(id);
10
11  inline void initialization(id a) {
12    // Call to @llvm.objc.retainBlock isn't needed.
13    BlockTy b0 = ^{ foo1(a); };
14    b0();
15  }
16
17  inline void assignmentConditional(id a, bool c) {
18    BlockTy b0;
19    if (c)
20      // @llvm.objc.retainBlock is called since 'b0' is declared in the outer scope.
21      b0 = ^{ foo1(a); };
22    b0();
23  }
24}
25
26#else
27
28namespace test_block_retain {
29// CHECK-LABEL: define linkonce_odr void @_ZN17test_block_retain14initializationEP11objc_object(
30// CHECK-NOT: call i8* @llvm.objc.retainBlock(
31
32  void test_initialization(id a) {
33    initialization(a);
34  }
35
36// CHECK-LABEL: define{{.*}} void @_ZN17test_block_retain26test_assignmentConditionalEP11objc_objectb(
37// CHECK: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, ptr }>, align 8
38// CHECK: call ptr @llvm.objc.retainBlock(ptr %[[BLOCK]])
39
40  void test_assignmentConditional(id a, bool c) {
41    assignmentConditional(a, c);
42  }
43}
44
45#endif
46