1 // RUN: %clang_cc1 %s -emit-llvm -O1 -o - -triple=i686-apple-darwin9 -std=c++11 | FileCheck %s 2 3 // CHECK-DAG: @PR22043 = global i32 0, align 4 4 typedef _Atomic(int) AtomicInt; 5 AtomicInt PR22043 = AtomicInt(); 6 7 // CHECK-DAG: @_ZN7PR180978constant1aE = global { i16, i8 } { i16 1, i8 6 }, align 4 8 // CHECK-DAG: @_ZN7PR180978constant1bE = global { i16, i8 } { i16 2, i8 6 }, align 4 9 // CHECK-DAG: @_ZN7PR180978constant1cE = global { i16, i8 } { i16 3, i8 6 }, align 4 10 // CHECK-DAG: @_ZN7PR180978constant1yE = global { { i16, i8 }, i32 } { { i16, i8 } { i16 4, i8 6 }, i32 5 }, align 4 11 12 struct A { 13 _Atomic(int) i; 14 A(int j); 15 void v(int j); 16 }; 17 // Storing to atomic values should be atomic 18 // CHECK: store atomic i32 19 void A::v(int j) { i = j; } 20 // Initialising atomic values should not be atomic 21 // CHECK-NOT: store atomic 22 A::A(int j) : i(j) {} 23 24 struct B { 25 int i; 26 B(int x) : i(x) {} 27 }; 28 29 _Atomic(B) b; 30 31 // CHECK-LABEL: define void @_Z11atomic_initR1Ai 32 void atomic_init(A& a, int i) { 33 // CHECK-NOT: atomic 34 // CHECK: tail call void @_ZN1BC1Ei 35 __c11_atomic_init(&b, B(i)); 36 // CHECK-NEXT: ret void 37 } 38 39 // CHECK-LABEL: define void @_Z16atomic_init_boolPU7_Atomicbb 40 void atomic_init_bool(_Atomic(bool) *ab, bool b) { 41 // CHECK-NOT: atomic 42 // CHECK: {{zext i1.*to i8}} 43 // CHECK-NEXT: store i8 44 __c11_atomic_init(ab, b); 45 // CHECK-NEXT: ret void 46 } 47 48 struct AtomicBoolMember { 49 _Atomic(bool) ab; 50 AtomicBoolMember(bool b); 51 }; 52 53 // CHECK-LABEL: define void @_ZN16AtomicBoolMemberC2Eb 54 // CHECK: {{zext i1.*to i8}} 55 // CHECK-NEXT: store i8 56 // CHECK-NEXT: ret void 57 AtomicBoolMember::AtomicBoolMember(bool b) : ab(b) { } 58 59 namespace PR18097 { 60 namespace dynamic { 61 struct X { 62 X(int); 63 short n; 64 char c; 65 }; 66 67 // CHECK-LABEL: define {{.*}} @__cxx_global_var_init 68 // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* @_ZN7PR180977dynamic1aE, i32 1) 69 _Atomic(X) a = X(1); 70 71 // CHECK-LABEL: define {{.*}} @__cxx_global_var_init 72 // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* @_ZN7PR180977dynamic1bE, i32 2) 73 _Atomic(X) b(X(2)); 74 75 // CHECK-LABEL: define {{.*}} @__cxx_global_var_init 76 // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* @_ZN7PR180977dynamic1cE, i32 3) 77 _Atomic(X) c{X(3)}; 78 79 struct Y { 80 _Atomic(X) a; 81 _Atomic(int) b; 82 }; 83 // CHECK-LABEL: define {{.*}} @__cxx_global_var_init 84 // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 0), i32 4) 85 // CHECK: store i32 5, i32* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 1) 86 Y y = { X(4), 5 }; 87 } 88 89 // CHECKs at top of file. 90 namespace constant { 91 struct X { 92 constexpr X(int n) : n(n) {} 93 short n; 94 char c = 6; 95 }; 96 _Atomic(X) a = X(1); 97 _Atomic(X) b(X(2)); 98 _Atomic(X) c{X(3)}; 99 100 struct Y { 101 _Atomic(X) a; 102 _Atomic(int) b; 103 }; 104 Y y = { X(4), 5 }; 105 } 106 } 107
