[SYCL] Use legacy offload entry type for now

llvm/llvm-project#124018 has switched to new
offload entry, we need to sync with all runtimes before switching,
use legacy offload entry for now.

Author: jsji

llvm/lib/Frontend/Offloading/SYCLOffloadWrapper.cpp

@@ -62,6 +62,18 @@ int8_t binaryImageFormatToInt8(SYCLBinaryImageFormat Format) {
   }
 }
 
+StructType* getLegacyOffloadEntryTy(Module &M) {
+  LLVMContext &C = M.getContext();
+  StructType *EntryTy =
+      StructType::getTypeByName(C, "struct.__tgt_offload_entry");
+  if (!EntryTy)
+    EntryTy = StructType::create(
+        "struct.__tgt_offload_entry", PointerType::getUnqual(C),
+        PointerType::getUnqual(C), M.getDataLayout().getIntPtrType(C),
+        Type::getInt32Ty(C), Type::getInt32Ty(C));
+  return EntryTy;
+}
+
 /// Wrapper helper class that creates all LLVM IRs wrapping given images.
 /// Note: All created structures, "_pi_device_*", "__sycl_*" and "__tgt*" names
 /// in this implementation are aligned with "sycl/include/sycl/detail/pi.h".
@@ -83,7 +95,7 @@ struct Wrapper {
 
     SyclPropTy = getSyclPropTy();
     SyclPropSetTy = getSyclPropSetTy();
-    EntryTy = offloading::getEntryTy(M);
+    EntryTy = getLegacyOffloadEntryTy(M);
     SyclDeviceImageTy = getSyclDeviceImageTy();
     SyclBinDescTy = getSyclBinDescTy();
   }