1// RUN: %clang_cc1 -no-opaque-pointers -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-HEAP %s
2// RUN: %clang_cc1 -no-opaque-pointers -fobjc-arc -fblocks -fobjc-avoid-heapify-local-blocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NOHEAP %s
3
4
5typedef void (^block_t)(void);
6void use_block(block_t);
7void use_int(int);
8
9// rdar://problem/10211676
10
11void test0(int i) {
12  block_t block = ^{ use_int(i); };
13  // CHECK-LABEL:      define {{.*}}void @test0(
14  // CHECK-HEAP:       call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape
15  // CHECK-NOHEAP-NOT: @llvm.objc.retainBlock(
16  // CHECK:            ret void
17}
18
19void test1(int i) {
20  id block = ^{ use_int(i); };
21  // CHECK-LABEL:   define {{.*}}void @test1(
22  // CHECK-HEAP:    call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW]]
23  // CHECK-NOHEAP:  call {{.*}}i8* @llvm.objc.retainBlock(i8*  {{%.*}}) [[NUW:#[0-9]+]]
24  // CHECK-NOT:     !clang.arc.copy_on_escape
25  // CHECK:         ret void
26}
27
28// CHECK: attributes [[NUW]] = { nounwind }
29