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// 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) { }
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