Fixed a dependency order issue between CMake targets

hpvm/test/dnn_benchmarks/hpvm-c/CMakeLists.txt

 # First get approxhpvm.py which we then use to compile benchmarks.
 get_filename_component(APPROXHPVM_PY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/approxhpvm.py REALPATH)
 
-# --[ llvm-lit test setup
-# lit.cfg.py looks for tests in CMAKE_CURRENT_BINARY_DIR (see lit.cfg.py)
-# as most of the tests require some kind of compilation / generation
-# which is best done over there.
-configure_lit_site_cfg(
-  ../../lit.site.cfg.py.in
-  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
-  MAIN_CONFIG
-  ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
-)
-add_lit_testsuite(check-hpvm-dnn "Running HPVM DNNs"
-  ${CMAKE_CURRENT_BINARY_DIR}
-  DEPENDS dnn_benchmarks  # Compile all dnn benchmarks to run them
-  ARGS "-j1"  # Run DNN benchmarks sequentially
-)
-# Install an accuracy comparator under build/bin
-set(BIN_DIR ${LLVM_BINARY_DIR}/${LLVM_TOOLS_INSTALL_DIR})
-add_custom_command(
-  OUTPUT ${BIN_DIR}/check_dnn_acc.py
-  COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/check_dnn_acc.py ${BIN_DIR}
-  COMMAND chmod +x ${BIN_DIR}/check_dnn_acc.py
-  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/check_dnn_acc.py
-)
-
 # Each source file contains a @MODEL_PARAMS_DIR@ waiting to be filled in.
 set(MODEL_PARAMS_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../model_params/")
 set(test_compile_targets "")
@@ -71,6 +47,32 @@ foreach(dir ${entries})
   hpvm_add_dnn_test(${dirname}_cudnn)
 endforeach(dir)
 
+# Install an accuracy comparator under build/bin for test suite.
+set(BIN_DIR ${LLVM_BINARY_DIR}/${LLVM_TOOLS_INSTALL_DIR})
+message("BIN_DIR = ${BIN_DIR}")
+add_custom_command(
+  OUTPUT ${BIN_DIR}/check_dnn_acc.py
+  COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/check_dnn_acc.py ${BIN_DIR}
+  COMMAND chmod +x ${BIN_DIR}/check_dnn_acc.py
+  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/check_dnn_acc.py
+)
+
 message(STATUS "List of HPVM-C DNN benchmarks: ${test_compile_targets}")
 add_custom_target(dnn_benchmarks DEPENDS ${test_compile_targets} ${BIN_DIR}/check_dnn_acc.py)
 message(STATUS "Target name for compiling all DNN benchmarks: dnn_benchmarks")
+
+# --[ llvm-lit test setup
+# lit.cfg.py looks for tests in CMAKE_CURRENT_BINARY_DIR (see lit.cfg.py)
+# as most of the tests require some kind of compilation / generation
+# which is best done over there.
+configure_lit_site_cfg(
+  ../../lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
+  MAIN_CONFIG
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
+)
+add_lit_testsuite(check-hpvm-dnn "Running HPVM DNNs"
+  ${CMAKE_CURRENT_BINARY_DIR}
+  DEPENDS dnn_benchmarks  # Compile all dnn benchmarks to run them
+  ARGS "-j1"  # Run DNN benchmarks sequentially
+)