add an unit test for printf

hipamd/tests/src/kernel/hipPrintfKernel.cpp

@@ -0,0 +1,38 @@
+/*
+Copyright (c) 2015-2017 Advanced Micro Devices, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+/* HIT_START
+ * BUILD: %t %s ../test_common.cpp 
+ * RUN: %t
+ * HIT_END
+ */
+
+#define HIP_ENABLE_PRINTF
+
+#include"test_common.h"
+
+__global__ void run_printf(hipLaunchParm lp){
+  printf("Hello World\n");
+}
+
+int main(){
+hipLaunchKernel(HIP_KERNEL_NAME(run_printf), dim3(1), dim3(1), 0, 0);
+hipDeviceSynchronize();
+passed();
+}