Vendor import of clang trunk r154661:

http://llvm.org/svn/llvm-project/cfe/trunk@r154661

1 files changed, 48 insertions, 0 deletions

diff --git a/test/CodeGenCXX/atomicinit.cpp b/test/CodeGenCXX/atomicinit.cpp
new file mode 100644
index 0000000..38d012e
--- /dev/null
+++ b/test/CodeGenCXX/atomicinit.cpp
@@ -0,0 +1,48 @@
+// 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) { }
+