ir: add IRCall

compiler/ir.py

@@ -62,6 +62,20 @@ class IRMove(IRAction):
         return f"MOVE {self.source} -> {self.dest}"
 
 
+class IRCall(IRAction):
+    def __init__(self, location: SourceLocation, dest: IRAssignable, function: IRVariable, arguments: list[IRValue]):
+        super().__init__(location)
+        self.dest = dest
+        self.function = function
+        self.arguments = arguments
+
+    def codegen(self) -> str:
+        return f"CALL {self.function} -> {self.dest} : {', '.join(repr(arg) for arg in self.arguments)}"
+
+    def destination(self) -> IRValue:
+        return self.dest
+
+
 class IRImmediate(IRValue):
     @typecheck
     def __init__(self, location: SourceLocation, value: int | float | str):