forked from OSchip/llvm-project
107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
// RUN: %clang_cc1 %s -emit-llvm -O1 -fno-experimental-new-pass-manager -o - -triple=i686-apple-darwin9 -std=c++11 | FileCheck %s
|
|
|
|
// CHECK-DAG: @PR22043 = local_unnamed_addr global i32 0, align 4
|
|
typedef _Atomic(int) AtomicInt;
|
|
AtomicInt PR22043 = AtomicInt();
|
|
|
|
// CHECK-DAG: @_ZN7PR180978constant1aE = local_unnamed_addr global { i16, i8 } { i16 1, i8 6 }, align 4
|
|
// CHECK-DAG: @_ZN7PR180978constant1bE = local_unnamed_addr global { i16, i8 } { i16 2, i8 6 }, align 4
|
|
// CHECK-DAG: @_ZN7PR180978constant1cE = local_unnamed_addr global { i16, i8 } { i16 3, i8 6 }, align 4
|
|
// CHECK-DAG: @_ZN7PR180978constant1yE = local_unnamed_addr 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: 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: 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 };
|
|
}
|
|
}
|