1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGenCXX/builtin-calling-conv.cpp b/test/CodeGenCXX/builtin-calling-conv.cpp
new file mode 100644
index 0000000000..6fdeca0d2c
--- /dev/null
+++ b/test/CodeGenCXX/builtin-calling-conv.cpp
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -triple x86_64-linux-pc -DREDECL -emit-llvm %s -o - | FileCheck %s -check-prefix LINUX
+// RUN: %clang_cc1 -triple spir-unknown-unknown -DREDECL -DSPIR -emit-llvm %s -o - | FileCheck %s -check-prefix SPIR
+// RUN: %clang_cc1 -triple x86_64-linux-pc -emit-llvm %s -o - | FileCheck %s -check-prefix LINUX
+// RUN: %clang_cc1 -triple spir-unknown-unknown -DSPIR -emit-llvm %s -o - | FileCheck %s -check-prefix SPIR
+
+#ifdef REDECL
+namespace std {
+#ifdef SPIR
+using size_t = unsigned int;
+#else
+using size_t = unsigned long;
+#endif // SPIR
+} // namespace std
+
+float __builtin_atan2f(float, float);
+void *operator new(std::size_t);
+#endif // REDECL
+
+void foo();
+
+void user() {
+  int i;
+  ::operator new(5);
+  (void)__builtin_atan2f(1.1, 2.2);
+  foo();
+}
+
+// LINUX: define void @_Z4userv()
+// LINUX: call i8* @_Znwm
+// LINUX: call float @atan2f
+// LINUX: call void @_Z3foov
+// LINUX: declare noalias i8* @_Znwm(i64)
+// LINUX: declare float @atan2f(float, float)
+// LINUX: declare void @_Z3foov()
+
+// SPIR: define spir_func void @_Z4userv()
+// SPIR: call spir_func i8* @_Znwj
+// SPIR: call spir_func float @atan2f
+// SPIR: call spir_func void @_Z3foov
+// SPIR: declare spir_func noalias i8* @_Znwj(i32)
+// SPIR: declare spir_func float @atan2f(float, float)
+// SPIR: declare spir_func void @_Z3foov()