Add bool m_IsCompressed to indicate if it's compressed

Author: uditagarwal97

sycl/source/detail/device_binary_image.cpp

@@ -728,9 +728,11 @@ void CompressedRTDeviceBinaryImage::Decompress() {
 
     Bin->Format = ur::getBinaryImageFormat(Bin->BinaryStart, getSize());
     Format = static_cast<ur::DeviceBinaryType>(Bin->Format);
+
+    m_IsCompressed = false;
   };
 
-  std::call_once(InitFlag, DecompressFunc);
+  std::call_once(m_InitFlag, DecompressFunc);
 }
 
 CompressedRTDeviceBinaryImage::~CompressedRTDeviceBinaryImage() {

sycl/source/detail/device_binary_image.hpp

@@ -322,7 +322,8 @@ class CompressedRTDeviceBinaryImage : public RTDeviceBinaryImage {
     return m_ImageSize;
   }
 
-  bool IsCompressed() const { return m_DecompressedData.get() == nullptr; }
+  bool IsCompressed() const { return m_IsCompressed; }
+
   void print() const override {
     RTDeviceBinaryImage::print();
     std::cerr << "    COMPRESSED\n";
@@ -333,7 +334,8 @@ class CompressedRTDeviceBinaryImage : public RTDeviceBinaryImage {
   size_t m_ImageSize = 0;
 
   // Flag to ensure decompression happens only once.
-  std::once_flag InitFlag;
+  std::once_flag m_InitFlag;
+  bool m_IsCompressed = true;
 };
 #endif // SYCL_RT_ZSTD_AVAILABLE