diff options
Diffstat (limited to 'clang/test/CodeGenObjC')
| -rw-r--r-- | clang/test/CodeGenObjC/property-aggregate.m | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjC/property-aggregate.m b/clang/test/CodeGenObjC/property-aggregate.m new file mode 100644 index 00000000000..f4b4dc96151 --- /dev/null +++ b/clang/test/CodeGenObjC/property-aggregate.m @@ -0,0 +1,29 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin -fobjc-nonfragile-abi -emit-llvm %s -o - | FileCheck %s + +// This structure's size is not a power of two, so the property does +// not get native atomics, even though x86-64 can do unaligned atomics +// with a lock prefix. +struct s3 { char c[3]; }; + +// This structure's size is, so it does, because it can. +struct s4 { char c[4]; }; + +@interface Test0 +@property struct s3 s3; +@property struct s4 s4; +@end +@implementation Test0 +@synthesize s3, s4; +@end + +// CHECK: define internal i24 @"\01-[Test0 s3]"( +// CHECK: call void @objc_copyStruct + +// CHECK: define internal void @"\01-[Test0 setS3:]"( +// CHECK: call void @objc_copyStruct + +// CHECK: define internal i32 @"\01-[Test0 s4]"( +// CHECK: load atomic i32* {{%.*}} unordered, align 1 + +// CHECK: define internal void @"\01-[Test0 setS4:]"( +// CHECK: store atomic i32 {{%.*}}, i32* {{%.*}} unordered, align 1 |
