| // RUN: %clang_cc1 %s -emit-llvm -O1 -o - -triple=i686-apple-darwin9 -std=c++11 | FileCheck %s |
| |
| // CHECK-DAG: @PR22043 = global i32 0, align 4 |
| typedef _Atomic(int) AtomicInt; |
| AtomicInt PR22043 = AtomicInt(); |
| |
| // CHECK-DAG: @_ZN7PR180978constant1aE = global { i16, i8 } { i16 1, i8 6 }, align 4 |
| // CHECK-DAG: @_ZN7PR180978constant1bE = global { i16, i8 } { i16 2, i8 6 }, align 4 |
| // CHECK-DAG: @_ZN7PR180978constant1cE = global { i16, i8 } { i16 3, i8 6 }, align 4 |
| // CHECK-DAG: @_ZN7PR180978constant1yE = global { { i16, i8 }, i32 } { { i16, i8 } { i16 4, i8 6 }, i32 5 }, align 4 |
| |
| 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) { } |
| |
| namespace PR18097 { |
| namespace dynamic { |
| struct X { |
| X(int); |
| short n; |
| char c; |
| }; |
| |
| // CHECK-LABEL: define {{.*}} @__cxx_global_var_init |
| // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1aE, i32 1) |
| _Atomic(X) a = X(1); |
| |
| // CHECK-LABEL: define {{.*}} @__cxx_global_var_init |
| // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1bE, i32 2) |
| _Atomic(X) b(X(2)); |
| |
| // CHECK-LABEL: define {{.*}} @__cxx_global_var_init |
| // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1cE, i32 3) |
| _Atomic(X) c{X(3)}; |
| |
| struct Y { |
| _Atomic(X) a; |
| _Atomic(int) b; |
| }; |
| // CHECK-LABEL: define {{.*}} @__cxx_global_var_init |
| // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 0), i32 4) |
| // CHECK: store i32 5, i32* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 1) |
| Y y = { X(4), 5 }; |
| } |
| |
| // CHECKs at top of file. |
| namespace constant { |
| struct X { |
| constexpr X(int n) : n(n) {} |
| short n; |
| char c = 6; |
| }; |
| _Atomic(X) a = X(1); |
| _Atomic(X) b(X(2)); |
| _Atomic(X) c{X(3)}; |
| |
| struct Y { |
| _Atomic(X) a; |
| _Atomic(int) b; |
| }; |
| Y y = { X(4), 5 }; |
| } |
| } |