| // RUN: %clang_cc1 -fobjc-arc -fblocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-HEAP %s |
| // RUN: %clang_cc1 -fobjc-arc -fblocks -fobjc-avoid-heapify-local-blocks -emit-llvm %s -o - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NOHEAP %s |
| |
| |
| typedef void (^block_t)(void); |
| void use_block(block_t); |
| void use_int(int); |
| |
| // rdar://problem/10211676 |
| |
| void test0(int i) { |
| block_t block = ^{ use_int(i); }; |
| // CHECK-LABEL: define {{.*}}void @test0( |
| // CHECK-HEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]], !clang.arc.copy_on_escape |
| // CHECK-NOHEAP-NOT: @llvm.objc.retainBlock( |
| // CHECK: ret void |
| } |
| |
| void test1(int i) { |
| id block = ^{ use_int(i); }; |
| // CHECK-LABEL: define {{.*}}void @test1( |
| // CHECK-HEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW]] |
| // CHECK-NOHEAP: call {{.*}}i8* @llvm.objc.retainBlock(i8* {{%.*}}) [[NUW:#[0-9]+]] |
| // CHECK-NOT: !clang.arc.copy_on_escape |
| // CHECK: ret void |
| } |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |
