Fixed warning from static code analyser

.

Author: igorban-intel

IGC/VectorCompiler/lib/GenXCodeGen/GenXLoadStoreLegalization.cpp

@@ -183,7 +183,7 @@ Value *GenXLoadStoreLegalization::splitMemoryOperation(Value *InsertTo,
                                                        unsigned SplitWidth,
                                                        unsigned &Index) const {
   const auto ExecSize = vc::InternalIntrinsic::getMemorySimdWidth(&CI);
-  const auto VectorSize =
+  const uint64_t VectorSize =
       vc::InternalIntrinsic::getMemoryVectorSizePerLane(&CI);
 
   auto *Func = getMemoryIntrinsic(CI, SplitWidth);
@@ -219,7 +219,7 @@ Value *GenXLoadStoreLegalization::extendMemoryOperation(Value *InsertTo,
                                                         unsigned ExtendWidth,
                                                         unsigned Index) const {
   const auto ExecSize = vc::InternalIntrinsic::getMemorySimdWidth(&CI);
-  const auto VectorSize =
+  const uint64_t VectorSize =
       vc::InternalIntrinsic::getMemoryVectorSizePerLane(&CI);
   const auto RestSize = ExecSize - Index;
   if (RestSize == 0)

IGC/VectorCompiler/lib/GenXCodeGen/GenXVerify.h

@@ -67,7 +67,7 @@ class GenXVerify : public ModulePass,
       cl::desc("Do not display non-fatal warnings.")};
 
   static inline const StringRef DbgPrefix = "GenXVerify";
-  LLVMContext *Ctx;
+  LLVMContext *Ctx = nullptr;
   bool IsBroken = false;
   GenXVerifyStage Stage;
   enum class IsFatal { No = 0, Yes = 1 };