[TRITON][LANG] Added support for bitcast

include/triton/lang/ast.h

@@ -431,6 +431,7 @@ public:
   void DerefOpTypeChecking();
   void ReduceOpTypeChecking();
   void UnaryArithmOpTypeChecking();
+  void BitcastOpTypeChecking();
   void CastOpTypeChecking();
 
 protected:

include/triton/lang/code_gen.h

@@ -91,7 +91,8 @@ protected:
   ir::value* GenAssignOp(Expr* lvalue, ir::value* rhs);
   ir::value* GenBroadcastOp(ir::value* src, ir::type* dst_ty);
   ir::value* GenNumcastOp(ir::value*src, ir::type* dst_ty);
-  ir::value* GenCastOp(ir::value* op, ir::type* type);
+  ir::value* GenSemCastOp(ir::value* op, ir::type* type);
+  ir::value* GenBitCastOp(ir::value* src, ir::type* dst_ty);
 
   // Triton-IR types
   static ir::type* GenIRType(::Type* type, ir::context &ctx);

include/triton/lang/token.h

@@ -164,6 +164,7 @@ public:
     ALIGNOF, // _Alignof
     GENERIC, // _Generic
     IMAGINARY, // _Imaginary
+    BITCAST,
     // KEYWORD END
 
     IDENTIFIER,