compiler: unbreak casts to int32/int64.

artiq/compiler/builtins.py

@@ -126,10 +126,10 @@ def fn_int():
     return types.TConstructor(TInt())
 
 def fn_int32():
-    return types.TConstructor(TInt32())
+    return types.TBuiltinFunction("int32")
 
 def fn_int64():
-    return types.TConstructor(TInt64())
+    return types.TBuiltinFunction("int64")
 
 def fn_float():
     return types.TConstructor(TFloat())

artiq/compiler/prelude.py

@@ -14,6 +14,8 @@ def globals():
         "list":                 builtins.fn_list(),
         "array":                builtins.fn_array(),
         "range":                builtins.fn_range(),
+        "int32":                builtins.fn_int32(),
+        "int64":                builtins.fn_int64(),
 
         # Exception constructors
         "Exception":            builtins.fn_Exception(),

artiq/compiler/transforms/artiq_ir_generator.py

@@ -1599,7 +1599,8 @@ class ARTIQIRGenerator(algorithm.Visitor):
                 return self.coerce_to_bool(arg)
             else:
                 assert False
-        elif types.is_builtin(typ, "int"):
+        elif types.is_builtin(typ, "int") or \
+                types.is_builtin(typ, "int32") or types.is_builtin(typ, "int64"):
             if len(node.args) == 0 and len(node.keywords) == 0:
                 return ir.Constant(0, node.type)
             elif len(node.args) == 1 and \

artiq/compiler/transforms/inferencer.py

@@ -622,14 +622,28 @@ class Inferencer(algorithm.Visitor):
 
             self._unify(node.type, builtins.TBool(),
                         node.loc, None)
-        elif types.is_builtin(typ, "int"):
+        elif types.is_builtin(typ, "int") or \
+                types.is_builtin(typ, "int32") or types.is_builtin(typ, "int64"):
+            if types.is_builtin(typ, "int"):
                 valid_forms = lambda: [
                     valid_form("int() -> numpy.int?"),
-                valid_form("int(x:'a) -> numpy.int?"),
-                valid_form("int(x:'a, width=?) -> numpy.int?")
+                    valid_form("int(x:'a) -> numpy.int? where 'a is numeric")
                 ]
+                result_typ = builtins.TInt()
+            elif types.is_builtin(typ, "int32"):
+                valid_forms = lambda: [
+                    valid_form("numpy.int32() -> numpy.int32"),
+                    valid_form("numpy.int32(x:'a) -> numpy.int32 where 'a is numeric")
+                ]
+                result_typ = builtins.TInt32()
+            elif types.is_builtin(typ, "int64"):
+                valid_forms = lambda: [
+                    valid_form("numpy.int64() -> numpy.int64"),
+                    valid_form("numpy.int64(x:'a) -> numpy.int64 where 'a is numeric")
+                ]
+                result_typ = builtins.TInt64()
 
-            self._unify(node.type, builtins.TInt(),
+            self._unify(node.type, result_typ,
                         node.loc, None)
 
             if len(node.args) == 0 and len(node.keywords) == 0:
@@ -639,20 +653,7 @@ class Inferencer(algorithm.Visitor):
                 pass # undetermined yet
             elif len(node.args) == 1 and len(node.keywords) == 0 and \
                     builtins.is_numeric(node.args[0].type):
-                self._unify(node.type, builtins.TInt(),
-                            node.loc, None)
-            elif len(node.args) == 1 and len(node.keywords) == 1 and \
-                    builtins.is_numeric(node.args[0].type) and \
-                    node.keywords[0].arg == 'width':
-                width = node.keywords[0].value
-                if not (isinstance(width, asttyped.NumT) and isinstance(width.n, int)):
-                    diag = diagnostic.Diagnostic("error",
-                        "the width argument of int() must be an integer literal", {},
-                        node.keywords[0].loc)
-                    self.engine.process(diag)
-                    return
-
-                self._unify(node.type, builtins.TInt(types.TValue(width.n)),
+                self._unify(node.type, result_typ,
                             node.loc, None)
             else:
                 diagnose(valid_forms())

artiq/test/lit/inferencer/builtin_calls.py

@@ -13,8 +13,8 @@ int()
 # CHECK-L: int:<constructor int>(1.0:float):numpy.int?
 int(1.0)
 
-# CHECK-L: int:<constructor int>(1.0:float, width=64:numpy.int?):numpy.int64
-int(1.0, width=64)
+# CHECK-L: int64:<function int64>(1.0:float):numpy.int64
+int64(1.0)
 
 # CHECK-L: float:<constructor float {}>():float
 float()

artiq/test/lit/inferencer/cast.py

@@ -0,0 +1,5 @@
+# RUN: %python -m artiq.compiler.testbench.inferencer +mono %s >%t
+# RUN: OutputCheck %s --file-to-check=%t
+
+# CHECK-L: numpy.int64
+int64(2)**32

artiq/test/lit/inferencer/error_builtin_calls.py

@@ -1,10 +1,6 @@
 # RUN: %python -m artiq.compiler.testbench.inferencer +diag %s >%t
 # RUN: OutputCheck %s --file-to-check=%t
 
-a = 1
-# CHECK-L: ${LINE:+1}: error: the width argument of int() must be an integer literal
-int(1.0, width=a)
-
 # CHECK-L: ${LINE:+1}: error: the argument of len() must be of an iterable type
 len(1)
 

artiq/test/lit/integration/builtin.py

@@ -7,7 +7,7 @@ assert bool() is False
 
 assert int() is 0
 assert int(1.0) is 1
-#ARTIQ#assert int(1, width=64) << 40 is 1099511627776
+#ARTIQ#assert int64(1) << 40 is 1099511627776
 
 #ARTIQ#assert float() is 0.0
 #ARTIQ#assert float(1) is 1.0