Move convert_to_bool to type_normalization

Author: r41k0u

pythonbpf/expr/expr_pass.py

@@ -5,7 +5,7 @@
 from typing import Dict
 
 from pythonbpf.type_deducer import ctypes_to_ir, is_ctypes
-from .type_normalization import normalize_types
+from .type_normalization import normalize_types, convert_to_bool
 
 logger: Logger = logging.getLogger(__name__)
 
@@ -197,16 +197,6 @@ def _handle_compare(
     return _handle_comparator(func, builder, cond.ops[0], lhs, rhs)
 
 
-def convert_to_bool(builder, val):
-    if val.type == ir.IntType(1):
-        return val
-    if isinstance(val.type, ir.PointerType):
-        zero = ir.Constant(val.type, None)
-    else:
-        zero = ir.Constant(val.type, 0)
-    return builder.icmp_signed("!=", val, zero)
-
-
 def _handle_unary_op(
     func,
     module,

pythonbpf/expr/type_normalization.py

@@ -84,3 +84,14 @@ def normalize_types(func, builder, lhs, rhs):
             elif rhs_depth < lhs_depth:
                 lhs = _deref_to_depth(func, builder, lhs, lhs_depth - rhs_depth)
             return normalize_types(func, builder, lhs, rhs)
+
+
+def convert_to_bool(builder, val):
+    """Convert a value to boolean."""
+    if val.type == ir.IntType(1):
+        return val
+    if isinstance(val.type, ir.PointerType):
+        zero = ir.Constant(val.type, None)
+    else:
+        zero = ir.Constant(val.type, 0)
+    return builder.icmp_signed("!=", val, zero)