1 files changed, 44 insertions, 0 deletions
diff --git a/clang/test/OpenMP/declare_target_codegen_globalization.cpp b/clang/test/OpenMP/declare_target_codegen_globalization.cpp
new file mode 100644
index 00000000000..db0df9bd930
--- /dev/null
+++ b/clang/test/OpenMP/declare_target_codegen_globalization.cpp
@@ -0,0 +1,44 @@
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-nvidia-cuda -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s
+// expected-no-diagnostics
+
+int foo(int &a) { return a; }
+
+int bar() {
+  int a;
+  return foo(a);
+}
+
+// CHECK: define void @__omp_offloading_{{.*}}maini1{{.*}}_l[[@LINE+5]](i32* dereferenceable{{.*}})
+// CHECK-NOT: @__kmpc_data_sharing_push_stack
+
+int maini1() {
+  int a;
+#pragma omp target parallel map(from:a)
+  {
+    int b;
+    a = foo(b) + bar();
+  }
+  return a;
+}
+
+// parallel region
+// CHECK: define {{.*}}void @{{.*}}(i32* noalias {{.*}}, i32* noalias {{.*}}, i32* dereferenceable{{.*}})
+// CHECK: [[RES:%.+]] = call i8* @__kmpc_data_sharing_push_stack(i64 4, i16 0)
+// CHECK: [[GLOBALS:%.+]] = bitcast i8* [[RES]] to [[GLOBAL_ST:%struct[.].*]]*
+// CHECK: [[B_ADDR:%.+]] = getelementptr inbounds [[GLOBAL_ST]], [[GLOBAL_ST]]* [[GLOBALS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
+// CHECK: call {{.*}}[[FOO:@.*foo.*]](i32* dereferenceable{{.*}} [[B_ADDR]])
+// CHECK: call {{.*}}[[BAR:@.*bar.*]]()
+// CHECK: call void @__kmpc_data_sharing_pop_stack(i8* [[RES]])
+// CHECK: ret void
+
+// CHECK: define {{.*}}[[FOO]](i32* dereferenceable{{.*}})
+// CHECK-NOT: @__kmpc_data_sharing_push_stack
+
+// CHECK: define {{.*}}[[BAR]]()
+// CHECK: [[RES:%.+]] = call i8* @__kmpc_data_sharing_push_stack(i64 4, i16 0)
+// CHECK: [[GLOBALS:%.+]] = bitcast i8* [[RES]] to [[GLOBAL_ST:%struct[.].*]]*
+// CHECK: [[A_ADDR:%.+]] = getelementptr inbounds [[GLOBAL_ST]], [[GLOBAL_ST]]* [[GLOBALS]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
+// CHECK: call {{.*}}[[FOO]](i32* dereferenceable{{.*}} [[A_ADDR]])
+// CHECK: call void @__kmpc_data_sharing_pop_stack(i8* [[RES]])
+// CHECK: ret i32