YouCompleteMe/cpp/llvm/tools/clang/test/CodeGenObjC/2009-01-26-WriteBarrier-2.m
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

20 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;
}