Add warning report when use syclcompat.

Author: tangjj11

clang/lib/DPCT/AnalysisInfo.cpp

@@ -2434,6 +2434,7 @@ unsigned DpctGlobalInfo::ExtensionDDFlag = 0;
 unsigned DpctGlobalInfo::ExperimentalFlag = 0;
 unsigned DpctGlobalInfo::HelperFuncPreferenceFlag = 0;
 bool DpctGlobalInfo::AnalysisModeFlag = false;
+bool DpctGlobalInfo::UseSYCLCompatFlag = false;
 unsigned int DpctGlobalInfo::ColorOption = 1;
 std::unordered_map<int, std::shared_ptr<DeviceFunctionInfo>>
     DpctGlobalInfo::CubPlaceholderIndexMap;

clang/lib/DPCT/AnalysisInfo.h

@@ -1286,6 +1286,8 @@ class DpctGlobalInfo {
   static bool useNoQueueDevice() {
     return getHelperFuncPreference(HelperFuncPreference::NoQueueDevice);
   }
+  static void setUseSYCLCompat(bool Flag = true) { UseSYCLCompatFlag = Flag; }
+  static bool useSYCLCompat() { return UseSYCLCompatFlag; }
   static bool useEnqueueBarrier() {
     return getUsingExtensionDE(
         DPCPPExtensionsDefaultEnabled::ExtDE_EnqueueBarrier);
@@ -1595,6 +1597,7 @@ class DpctGlobalInfo {
   static unsigned ExperimentalFlag;
   static unsigned HelperFuncPreferenceFlag;
   static bool AnalysisModeFlag;
+  static bool UseSYCLCompatFlag;
   static unsigned int ColorOption;
   static std::unordered_map<int, std::shared_ptr<DeviceFunctionInfo>>
       CubPlaceholderIndexMap;

clang/lib/DPCT/CallExprRewriterCommon.h

@@ -1709,6 +1709,10 @@ inline auto UseNonUniformGroups = [](const CallExpr *C) -> bool {
   return DpctGlobalInfo::useExpNonUniformGroups();
 };
 
+inline auto UseSYCLCompat = [](const CallExpr *C) -> bool {
+  return DpctGlobalInfo::useSYCLCompat();
+};
+
 class CheckDerefedTypeBeforeCast {
   unsigned Idx;
   std::string TypeName;

clang/lib/DPCT/Diagnostics.inc

@@ -176,8 +176,8 @@ DEF_WARNING(OUT_OF_PLACE_FFT_EXEC, 1071, LOW_LEVEL, "deprecated")
 DEF_COMMENT(OUT_OF_PLACE_FFT_EXEC, 1071, LOW_LEVEL, "deprecated")
 DEF_WARNING(UNSUPPORT_FREE_MEMORY_SIZE, 1072, LOW_LEVEL, "SYCL currently does not support getting the available memory on the current device. You may need to adjust the code.")
 DEF_COMMENT(UNSUPPORT_FREE_MEMORY_SIZE, 1072, LOW_LEVEL, "SYCL currently does not support getting the available memory on the current device. You may need to adjust the code.")
-DEF_WARNING(CANNOT_CAPUTURE_AGUMENTS, 1073, MEDIUM_LEVEL, "deprecated")
-DEF_COMMENT(CANNOT_CAPUTURE_AGUMENTS, 1073, MEDIUM_LEVEL, "deprecated")
+DEF_WARNING(SYCLCOMPAT, 1073, MEDIUM_LEVEL, "deprecated")
+DEF_COMMENT(SYCLCOMPAT, 1073, MEDIUM_LEVEL, "deprecated")
 DEF_WARNING(TEX_FLAG_UNSUPPORT, 1074, MEDIUM_LEVEL, "The SYCL Image class does not support some of the flags used in the original code. Unsupported flags were ignored. Data read from SYCL Image could not be normalized as specified in the original code.")
 DEF_COMMENT(TEX_FLAG_UNSUPPORT, 1074, MEDIUM_LEVEL, "The SYCL Image class does not support some of the flags used in the original code. Unsupported flags were ignored. Data read from SYCL Image could not be normalized as specified in the original code.")
 DEF_WARNING(CHECK_RELATED_QUEUE, 1075, LOW_LEVEL, "deprecated")

clang/lib/DPCT/Rewriters/Math/RewriterHalf2ArithmeticFunctions.cpp

@@ -138,9 +138,12 @@ RewriterMap dpct::createHalf2ArithmeticFunctionsRewriterMap() {
                                                   "ext::intel::math::hcmadd",
                                               ARG(0), ARG(1), ARG(2))))),
               EMPTY_FACTORY_ENTRY("__hcmadd"),
-              CALL_FACTORY_ENTRY("__hcmadd", CALL(MapNames::getDpctNamespace() +
-                                                      "complex_mul_add",
-                                                  ARG(0), ARG(1), ARG(2)))))
+              CALL_FACTORY_ENTRY(
+                  "__hcmadd",
+                  CALL(DpctGlobalInfo::useSYCLCompat()
+                           ? MapNames::getDpctNamespace() + "cmul_add"
+                           : MapNames::getDpctNamespace() + "complex_mul_add",
+                       ARG(0), ARG(1), ARG(2)))))
       // __hfma2
       MATH_API_REWRITER_DEVICE_OVERLOAD(
           CheckArgType(0, "__half2"),