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

68 lines
1.3 KiB
Objective-C

// RUN: %clang_cc1 -triple x86_64-apple-darwin -fblocks -emit-llvm -o - %s | FileCheck %s
@interface NSObject
+ (id) new;
- (id) init;
@end
@interface Base : NSObject @end
// @implementation Base
// {
// int dummy;
// }
// @end
@interface Derived : Base
{
@public int member;
}
@end
@implementation Derived
- (id) init
{
self = [super init];
member = 42;
return self;
}
@end
// CHECK: define internal i8* @"\01-[Derived init]"
// CHECK: [[IVAR:%.*]] = load i64* @"OBJC_IVAR_$_Derived.member", !invariant.load
void * variant_load_1(int i) {
void *ptr;
while (i--) {
Derived *d = [Derived new];
ptr = &d->member;
}
return ptr;
}
// CHECK-LABEL: define i8* @variant_load_1(i32 %i)
// CHECK: [[IVAR:%.*]] = load i64* @"OBJC_IVAR_$_Derived.member"{{$}}
@interface Container : Derived @end
@implementation Container
- (void *) invariant_load_1
{
return &self->member;
}
@end
// CHECK: define internal i8* @"\01-[Container invariant_load_1]"
// CHECK: [[IVAR:%.*]] = load i64* @"OBJC_IVAR_$_Derived.member", !invariant.load
@interface ForBlock
{
@public
id foo;
}
@end
// CHECK-LABEL: define internal i8* @block_block_invoke
// CHECK: load i64* @"OBJC_IVAR_$_ForBlock.foo"
id (^block)(ForBlock*) = ^(ForBlock* a) {
return a->foo;
};