llvm-for-llvmta/tools/clang/test/CodeGenObjC/pass-by-value-noalias.m

23 lines
865 B
Objective-C

// 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
// 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
@interface Bar
@property char value;
@end
// A struct large enough so it is not passed in registers on ARM64, but with a
// weak reference, so noalias should not be added even with
// -fpass-by-value-is-noalias.
struct Foo {
int a;
int b;
int c;
int d;
int e;
Bar *__weak f;
};
// WITH_NOALIAS: define{{.*}} void @take(%struct.Foo* %arg)
// NO_NOALIAS: define{{.*}} void @take(%struct.Foo* %arg)
void take(struct Foo arg) {}