llvm-6502/test/FrontendObjC/2009-01-26-WriteBarrier-2.m
Dale Johannesen 8bca3b7664 Testcase for 6522054.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63067 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-26 23:22:19 +00:00

15 lines
450 B
Objective-C

// RUN: %llvmgcc -x objective-c -S %s -fobjc-gc -o - | grep objc_assign_strongCast
// rdar://5541393
typedef struct {
void (^ivarBlock)(void);
} StructWithBlock_t;
int main(char *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;
}