add hcc dialects sample

samples/0_Intro/hcc_dialects/Makefile

@@ -0,0 +1,66 @@
+HCC_HOME?=/opt/rocm/hcc
+HCC = $(HCC_HOME)/bin/hcc
+
+HCC_CFLAGS= `$(HCC_HOME)/bin/hcc-config --cxxflags` 
+HCC_LDFLAGS= `$(HCC_HOME)/bin/hcc-config --ldflags`
+
+CPPAMP_CFLAGS= -std=c++amp -stdlib=libc++ -I/opt/hcc/include
+CPPAMP_LDFLAGS=  -std=c++amp -L/opt/hcc/lib -Wl,--rpath=/opt/hcc/lib -lc++ -lc++abi -ldl -lpthread -Wl,--whole-archive -lmcwamp -Wl,--no-whole-archive 
+
+HIP_PATH?=/opt/rocm/hip
+HIPCC=$(HIP_PATH)/bin/hipcc
+HIP_PLATFORM=$(shell $(HIP_PATH)/bin/hipconfig --platform)
+
+ifneq (${HIP_PLATFORM}, hcc)
+$(error hcc_dialects requires hcc compiler and only runs on hcc platform)
+endif
+
+
+TARGETS=vadd_hc_arrayview vadd_hc_array vadd_amp_arrayview  vadd_hip  
+
+all: $(TARGETS)
+
+clean: 
+	rm -f $(TARGETS) *.o
+
+run: $(TARGETS)
+	@for t in $(TARGETS); do\
+		echo "Running $$t"; \
+		./$$t; \
+	done
+	
+
+# HCC version:
+vadd_hc_arrayview.o: vadd_hc_arrayview.cpp
+	$(HCC) $(HCC_CFLAGS) -c $< -o $@
+vadd_hc_arrayview: vadd_hc_arrayview.o
+	$(HCC) $(HCC_LDFLAGS) $< -o $@
+
+
+# HCC version, using explicit arrays:
+vadd_hc_array.o: vadd_hc_array.cpp
+	$(HCC) $(HCC_CFLAGS) -c $< -o $@
+vadd_hc_array: vadd_hc_array.o
+	$(HCC) $(HCC_LDFLAGS) $< -o $@
+
+
+# HCC version, using AM (accelerator memory) pointer
+vadd_hc_am.o: vadd_hc_am.cpp
+	$(HCC) $(HCC_CFLAGS) -c $< -o $@
+vadd_hc_am: vadd_hc_am.o
+	$(HCC) $(HCC_LDFLAGS) $< -o $@
+
+
+
+# HIP version:
+vadd_hip.o: vadd_hip.cpp
+	$(HIPCC) -c $< -o $@
+vadd_hip: vadd_hip.o
+	$(HIPCC) $< -o $@
+
+
+# AMP version:
+vadd_amp_arrayview.o: vadd_amp_arrayview.cpp
+	$(HCC) $(CPPAMP_CFLAGS) -c $< -o $@
+vadd_amp_arrayview: vadd_amp_arrayview.o
+	$(HCC) $(CPPAMP_LDFLAGS) $< -o $@