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// 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 ptr @"\01-[Derived init]"
// CHECK: [[IVAR:%.*]] = load i64, ptr @"OBJC_IVAR_$_Derived.member", align 8, !invariant.load
void * variant_load_1(int i) {
void *ptr;
while (i--) {
Derived *d = [Derived new];
ptr = &d->member;
}
return ptr;
}
// CHECK-LABEL: define{{.*}} ptr @variant_load_1(i32 noundef %i)
// CHECK: [[IVAR:%.*]] = load i64, ptr @"OBJC_IVAR_$_Derived.member", align 8{{$}}
@interface Container : Derived @end
@implementation Container
- (void *) invariant_load_1
{
return &self->member;
}
@end
// CHECK-LABEL: define internal ptr @"\01-[Container invariant_load_1]"
// CHECK: [[IVAR:%.*]] = load i64, ptr @"OBJC_IVAR_$_Derived.member", align 8, !invariant.load
@interface ForBlock
{
@public
id foo;
}
@end
// CHECK-LABEL: define internal ptr @block_block_invoke
// CHECK: load i64, ptr @"OBJC_IVAR_$_ForBlock.foo"
id (^block)(ForBlock*) = ^(ForBlock* a) {
return a->foo;
};
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