1// RUN: %clang_cc1 -fpass-by-value-is-noalias -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns -fobjc-runtime-has-weak -fobjc-arc -fobjc-dispatch-method=mixed %s -o - 2>&1 | FileCheck --check-prefix=WITH_NOALIAS %s
2// RUN: %clang_cc1 -triple arm64-apple-iphoneos -emit-llvm -disable-llvm-optzns -fobjc-runtime-has-weak -fobjc-arc -fobjc-dispatch-method=mixed %s -o - 2>&1 | FileCheck --check-prefix=NO_NOALIAS %s
3
4@interface Bar
5@property char value;
6@end
7
8// A struct large enough so it is not passed in registers on ARM64, but with a
9// weak reference, so noalias should not be added even with
10// -fpass-by-value-is-noalias.
11struct Foo {
12  int a;
13  int b;
14  int c;
15  int d;
16  int e;
17  Bar *__weak f;
18};
19
20// WITH_NOALIAS: define{{.*}} void @take(%struct.Foo* %arg)
21// NO_NOALIAS: define{{.*}} void @take(%struct.Foo* %arg)
22void take(struct Foo arg) {}
23