Add a test case for r251476.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@251477 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/OpenMP/function-attr.cpp b/test/OpenMP/function-attr.cpp
new file mode 100644 (file)
index 0000000..87aba40
--- /dev/null
+++ b/test/OpenMP/function-attr.cpp
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10  -stack-protector 2 -emit-llvm -o - %s | FileCheck %s
+
+// Check that function attributes are added to the OpenMP runtime functions.
+
+template <class T>
+struct S {
+  T f;
+  S(T a) : f(a) {}
+  S() : f() {}
+  operator T() { return T(); }
+  ~S() {}
+};
+
+// CHECK: define internal void @.omp.copyprivate.copy_func(i8*, i8*) [[ATTR0:#[0-9]+]] {
+
+void foo0();
+
+int foo1() {
+  char a;
+
+#pragma omp parallel
+  a = 2;
+#pragma omp single copyprivate(a)
+  foo0();
+
+  return 0;
+}
+
+// CHECK: define internal void @.omp_task_privates_map.({{.*}}) [[ATTR3:#[0-9]+]] {
+// CHECK: define internal i32 @.omp_task_entry.({{.*}}) [[ATTR0]] {
+// CHECK: define internal i32 @.omp_task_destructor.({{.*}}) [[ATTR0]] {
+
+int foo2() {
+  S<double> s_arr[] = {1, 2};
+  S<double> var(3);
+#pragma omp task private(s_arr, var)
+  s_arr[0] = var;
+  return 0;
+}
+
+// CHECK: define internal void @.omp.reduction.reduction_func(i8*, i8*) [[ATTR0]] {
+
+float foo3(int n, float *a, float *b) {
+  int i;
+  float result;
+
+#pragma omp parallel for private(i) reduction(+:result)
+  for (i=0; i < n; i++)
+    result = result + (a[i] * b[i]);
+  return result;
+}
+
+// CHECK: attributes [[ATTR0]] = {{{.*}} sspstrong {{.*}}}
+// CHECK: attributes [[ATTR3]] = {{{.*}} sspstrong {{.*}}}