| // 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: 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: 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: define void @_ZN16AtomicBoolMemberC2Eb |
| // CHECK: {{zext i1.*to i8}} |
| // CHECK-NEXT: store i8 |
| // CHECK-NEXT: ret void |
| AtomicBoolMember::AtomicBoolMember(bool b) : ab(b) { } |
| |