1 files changed, 36 insertions, 0 deletions
diff --git a/clang/test/SemaOpenCL/extensions.cl b/clang/test/SemaOpenCL/extensions.cl
new file mode 100644
index 00000000000..31224e0df77
--- /dev/null
+++ b/clang/test/SemaOpenCL/extensions.cl
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only
+// RUN: %clang_cc1 %s -triple spir-unknown-unknown -verify -pedantic -fsyntax-only -cl-std=CL1.1
+
+// Test with a target not supporting fp64.
+// RUN: %clang_cc1 %s -triple r600-unknown-unknown -target-cpu r600 -verify -pedantic -fsyntax-only -DNOFP64
+
+void f1(double da) { // expected-error {{type 'double' requires cl_khr_fp64 extension}}
+  double d; // expected-error {{type 'double' requires cl_khr_fp64 extension}}
+  (void) 1.0; // expected-warning {{double precision constant requires cl_khr_fp64}}
+}
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+#ifdef NOFP64
+// expected-warning@-2{{unsupported OpenCL extension 'cl_khr_fp64' - ignoring}}
+#endif
+
+void f2(void) {
+  double d;
+#ifdef NOFP64
+// expected-error@-2{{use of type 'double' requires cl_khr_fp64 extension to be enabled}}
+#endif
+
+  (void) 1.0;
+#ifdef NOFP64
+// expected-warning@-2{{double precision constant requires cl_khr_fp64, casting to single precision}}
+#endif
+}
+
+#pragma OPENCL EXTENSION cl_khr_fp64 : disable
+#ifdef NOFP64
+// expected-warning@-2{{unsupported OpenCL extension 'cl_khr_fp64' - ignoring}}
+#endif
+
+void f3(void) {
+  double d; // expected-error {{type 'double' requires cl_khr_fp64 extension}}
+}