minix/external/bsd/llvm/dist/clang/test/CodeGenObjC/2009-01-26-WriteBarrier-2.m
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

19 lines
529 B
Objective-C

// RUN: %clang_cc1 -fblocks -emit-llvm %s -fobjc-gc -o - | FileCheck %s
// CHECK: objc_assign_strongCast
// rdar://5541393
typedef __SIZE_TYPE__ size_t;
void * malloc(size_t size);
typedef struct {
void (^ivarBlock)(void);
} StructWithBlock_t;
int main(int argc, char *argv[]) {
StructWithBlock_t *swbp = (StructWithBlock_t *)malloc(sizeof(StructWithBlock_t*));
__block int i = 10;
// assigning a Block into an struct slot should elicit a write-barrier under GC
swbp->ivarBlock = ^ { ++i; };
return 0;
}