[NFC] Update src test to be more clear, amend comment

Signed-off-by: Michael D Toguchi <michael.d.toguchi@intel.com>

Author: mdtoguchi

clang/lib/Driver/Driver.cpp

@@ -3717,8 +3717,11 @@ class OffloadingActionBuilder final {
               continue;
             }
             // We want to move the AOCX/AOCR binary to the front of the objects
-            // allowing it to be picked up before the other device objects at
-            // runtime.
+            // allowing it to be picked up instead of the other device objects
+            // at runtime.
+            // TODO: In the presense of existing FPGA Device binaries (AOCX)
+            // we do not need to perform/add the SPIR-V generated device
+            // binaries from sources or objects.
             if (types::isFPGA(I->getType())) {
               // Do not perform a device link and only pass the aocr
               // file to the offline compilation before wrapping.  Just

clang/test/Driver/sycl-offload-intelfpga.cpp

@@ -153,7 +153,8 @@
 // CHK-FPGA-AOCX-SRC: clang-offload-bundler{{.*}} "-type=ao" "-targets=sycl-fpga_aocx-intel-unknown-sycldevice" "-inputs=[[LIBINPUT:.+\.a]]" "-outputs=[[BUNDLEOUT:.+\.aocx]]" "-unbundle"
 // CHK-FPGA-AOCX-SRC: clang-offload-wrapper{{.*}} "-o=[[WRAPOUT:.+\.bc]]" {{.*}} "-target=spir64_fpga" "-kind=sycl" "[[BUNDLEOUT]]"
 // CHK-FPGA-AOCX-SRC: llc{{.*}} "-filetype=obj" "-o" "[[LLCOUT:.+\.(o|obj)]]" "[[WRAPOUT]]"
-// CHK-FPGA-AOCX-SRC: llvm-link{{.*}} "-o" "[[LLVMLINKOUT:.+\.bc]]" "--suppress-warnings"
+// CHK-FPGA-AOCX-SRC: clang{{.*}} "-cc1" {{.*}} "-fsycl-is-device" {{.*}} "-o" "[[DEVICEBC:.+\.bc]]"
+// CHK-FPGA-AOCX-SRC: llvm-link{{.*}} "[[DEVICEBC]]" "-o" "[[LLVMLINKOUT:.+\.bc]]" "--suppress-warnings"
 // CHK-FPGA-AOCX-SRC: llvm-spirv{{.*}} "-o" "[[LLVMSPVOUT:.+\.spv]]" {{.*}} "[[LLVMLINKOUT]]"
 // CHK-FPGA-AOCX-SRC: clang-offload-wrapper{{.*}} "-o=[[WRAPOUTSRC:.+.bc]]" {{.*}} "-target=spir64_fpga" "-kind=sycl" "[[LLVMSPVOUT]]"
 // CHK-FPGA-AOCX-SRC: llc{{.*}} "-filetype=obj" "-o" "[[LLCOUTSRC:.+\.(o|obj)]]" "[[WRAPOUTSRC]]"