49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
|
// RUN: %clang_cc1 %s -emit-llvm -O1 -o - -triple=i686-apple-darwin9 | FileCheck %s
|
||
|
|
struct A {
|
||
|
|
_Atomic(int) i;
|
||
|
|
A(int j);
|
||
|
|
void v(int j);
|
||
|
|
};
|
||
|
|
// Storing to atomic values should be atomic
|
||
|
|
// CHECK: store atomic i32
|
||
|
|
void A::v(int j) { i = j; }
|
||
|
|
// Initialising atomic values should not be atomic
|
||
|
|
// CHECK-NOT: store atomic
|
||
|
|
A::A(int j) : i(j) {}
|
||
|
|
|
||
|
|
struct B {
|
||
|
|
int i;
|
||
|
|
B(int x) : i(x) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
_Atomic(B) b;
|
||
|
|
|
||
|
|
// CHECK-LABEL: define void @_Z11atomic_initR1Ai
|
||
|
|
void atomic_init(A& a, int i) {
|
||
|
|
// CHECK-NOT: atomic
|
||
|
|
// CHECK: tail call void @_ZN1BC1Ei
|
||
|
|
__c11_atomic_init(&b, B(i));
|
||
|
|
// CHECK-NEXT: ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: define void @_Z16atomic_init_boolPU7_Atomicbb
|
||
|
|
void atomic_init_bool(_Atomic(bool) *ab, bool b) {
|
||
|
|
// CHECK-NOT: atomic
|
||
|
|
// CHECK: {{zext i1.*to i8}}
|
||
|
|
// CHECK-NEXT: store i8
|
||
|
|
__c11_atomic_init(ab, b);
|
||
|
|
// CHECK-NEXT: ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
struct AtomicBoolMember {
|
||
|
|
_Atomic(bool) ab;
|
||
|
|
AtomicBoolMember(bool b);
|
||
|
|
};
|
||
|
|
|
||
|
|
// CHECK-LABEL: define void @_ZN16AtomicBoolMemberC2Eb
|
||
|
|
// CHECK: {{zext i1.*to i8}}
|
||
|
|
// CHECK-NEXT: store i8
|
||
|
|
// CHECK-NEXT: ret void
|
||
|
|
AtomicBoolMember::AtomicBoolMember(bool b) : ab(b) { }
|
||
|
|
|