Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r79639:3aa319e4c7f0
Date: 2015-09-14 19:35 +0200
http://bitbucket.org/pypy/pypy/changeset/3aa319e4c7f0/

Log:    Progress

diff --git a/rpython/jit/backend/test/test_ll_random.py 
b/rpython/jit/backend/test/test_ll_random.py
--- a/rpython/jit/backend/test/test_ll_random.py
+++ b/rpython/jit/backend/test/test_ll_random.py
@@ -2,9 +2,8 @@
 from rpython.rtyper.lltypesystem import lltype, llmemory, rffi, rstr
 from rpython.rtyper import rclass
 from rpython.jit.backend.test import test_random
-from rpython.jit.metainterp.resoperation import ResOperation, rop
-from rpython.jit.metainterp.history import ConstInt, ConstPtr
-from rpython.jit.metainterp.history import BoxPtr
+from rpython.jit.metainterp.resoperation import ResOperation, rop, optypes
+from rpython.jit.metainterp.history import ConstInt, ConstPtr, getkind
 from rpython.jit.codewriter import heaptracker
 from rpython.jit.codewriter.effectinfo import EffectInfo
 from rpython.rtyper.annlowlevel import llhelper
@@ -101,10 +100,12 @@
             kwds['hints'] = {'vtable': with_vtable._obj}
         for i in range(r.randrange(1, 5)):
             if r.random() < 0.1:
+                kind = 'r'
                 TYPE = llmemory.GCREF
             else:
+                kind = 'i'
                 TYPE = self.get_random_primitive_type(r)
-            fields.append(('f%d' % i, TYPE))
+            fields.append(('%s%d' % (kind, i), TYPE))
         S = type('S%d' % self.counter, *fields, **kwds)
         self.counter += 1
         if cache:
@@ -120,7 +121,7 @@
         self.vtable_counter += 1
         S = self.get_random_structure_type(r, with_vtable=vtable, cache=False)
         name = S._name
-        vtable.name = rclass.alloc_array_name(name)
+        heaptracker.set_testing_vtable_for_gcstruct(S, vtable, name)
         self.structure_types_and_vtables.append((S, vtable))
         #
         return S, vtable
@@ -168,7 +169,7 @@
         if length == 0:
             raise test_random.CannotProduceOperation
         v_index = r.choice(self.intvars)
-        if not (0 <= v_index.value < length):
+        if not (0 <= v_index.getint() < length):
             v_index = ConstInt(r.random_integer() % length)
         return v_index
 
@@ -242,14 +243,14 @@
         if r.random() < 0.5:
             return GuardClassOperation.gen_guard(self, builder, r)
         else:
-            v = BoxPtr(lltype.nullptr(llmemory.GCREF.TO))
-            op = ResOperation(rop.SAME_AS, [ConstPtr(v.value)], v)
+            NULL = lltype.nullptr(llmemory.GCREF.TO)
+            op = ResOperation(rop.SAME_AS_R, [ConstPtr(NULL)])
             builder.loop.operations.append(op)
             v2, S2 = builder.get_structptr_var(r, must_have_vtable=True)
             vtable2 = S2._hints['vtable']._as_ptr()
             c_vtable2 = ConstAddr(llmemory.cast_ptr_to_adr(vtable2),
                                   builder.cpu)
-            op = ResOperation(self.opnum, [v, c_vtable2], None)
+            op = ResOperation(self.opnum, [op, c_vtable2], None)
             return op, False
 
 class ZeroPtrFieldOperation(test_random.AbstractOperation):
@@ -263,7 +264,7 @@
         choice = []
         for name in names:
             FIELD = getattr(S, name)
-            if isinstance(FIELD, lltype.Ptr) and FIELD._needsgc():
+            if FIELD is lltype.Signed:  # xxx should be a gc ptr, but works too
                 choice.append(name)
         if not choice:
             raise test_random.CannotProduceOperation
@@ -282,10 +283,12 @@
         if names[0] == 'parent':
             names = names[1:]
         choice = []
+        kind = optypes[self.opnum]
         for name in names:
             FIELD = getattr(S, name)
             if not isinstance(FIELD, lltype.Ptr):
-                choice.append(name)
+                if kind == 'n' or getkind(FIELD)[0] == kind:
+                    choice.append(name)
         if not choice:
             raise test_random.CannotProduceOperation
         name = r.choice(choice)
@@ -341,7 +344,8 @@
                 w = ConstInt(r.random_integer())
             else:
                 w = r.choice(builder.intvars)
-            if rffi.cast(lltype.Signed, rffi.cast(TYPE, w.value)) == w.value:
+            value = w.getint()
+            if rffi.cast(lltype.Signed, rffi.cast(TYPE, value)) == value:
                 break
         builder.do(self.opnum, [v, w], descr)
 
@@ -353,13 +357,14 @@
                 w = ConstInt(r.random_integer())
             else:
                 w = r.choice(builder.intvars)
-            if rffi.cast(lltype.Signed, rffi.cast(TYPE, w.value)) == w.value:
+            value = w.getint()
+            if rffi.cast(lltype.Signed, rffi.cast(TYPE, value)) == value:
                 break
         builder.do(self.opnum, [v, v_index, w], descr)
 
 class NewOperation(test_random.AbstractOperation):
-    def size_descr(self, builder, S):
-        descr = builder.cpu.sizeof(S)
+    def size_descr(self, builder, S, *vtable):
+        descr = builder.cpu.sizeof(S, *vtable)
         descr._random_info = 'cpu.sizeof(...)'
         descr._random_type = S
         return descr
@@ -367,13 +372,11 @@
     def produce_into(self, builder, r):
         if self.opnum == rop.NEW_WITH_VTABLE:
             S, vtable = builder.get_random_structure_type_and_vtable(r)
-            args = [ConstAddr(llmemory.cast_ptr_to_adr(vtable), builder.cpu)]
-            descr = None
+            descr = self.size_descr(builder, S, vtable)
         else:
             S = builder.get_random_structure_type(r)
-            args = []
             descr = self.size_descr(builder, S)
-        v_ptr = builder.do(self.opnum, args, descr)
+        v_ptr = builder.do(self.opnum, [], descr)
         builder.ptrvars.append((v_ptr, S))
 
 class ArrayOperation(test_random.AbstractOperation):
@@ -408,7 +411,8 @@
                 w = ConstInt(r.random_integer())
             else:
                 w = r.choice(builder.intvars)
-            if rffi.cast(lltype.Signed, rffi.cast(A.OF, w.value)) == w.value:
+            value = w.getint()
+            if rffi.cast(lltype.Signed, rffi.cast(A.OF, value)) == value:
                 break
         builder.do(self.opnum, [v, v_index, w], descr)
 
@@ -486,7 +490,7 @@
 class AbstractSetItemOperation(AbstractStringOperation):
     def produce_into(self, builder, r):
         v_string = self.get_string(builder, r)
-        if not isinstance(v_string, BoxPtr):
+        if isinstance(v_string, ConstPtr):
             raise test_random.CannotProduceOperation  # setitem(Const, ...)
         v_index = builder.get_index(len(v_string.getref(self.ptr).chars), r)
         v_target = ConstInt(r.random_integer() % self.max)
@@ -501,13 +505,15 @@
     def produce_into(self, builder, r):
         v_srcstring = self.get_string(builder, r)
         v_dststring = self.get_string(builder, r)
-        if v_srcstring.value == v_dststring.value:    # because it's not a
+        src = v_srcstring.getref(self.ptr)
+        dst = v_dststring.getref(self.ptr)
+        if src == dst:                                # because it's not a
             raise test_random.CannotProduceOperation  # memmove(), but memcpy()
-        srclen = len(v_srcstring.getref(self.ptr).chars)
-        dstlen = len(v_dststring.getref(self.ptr).chars)
+        srclen = len(src.chars)
+        dstlen = len(dst.chars)
         v_length = builder.get_index(min(srclen, dstlen), r)
-        v_srcstart = builder.get_index(srclen - v_length.value + 1, r)
-        v_dststart = builder.get_index(dstlen - v_length.value + 1, r)
+        v_srcstart = builder.get_index(srclen - v_length.getint() + 1, r)
+        v_dststart = builder.get_index(dstlen - v_length.getint() + 1, r)
         builder.do(self.opnum, [v_srcstring, v_dststring,
                                 v_srcstart, v_dststart, v_length])
 
@@ -548,16 +554,22 @@
 class BaseCallOperation(test_random.AbstractOperation):
     def non_raising_func_code(self, builder, r):
         subset = builder.subset_of_intvars(r)
-        if len(subset) == 0:
-            sum = ""
-            funcargs = ""
+        funcargs = ", ".join(['arg_%d' % i for i in range(len(subset))])
+        sum = "intmask(%s)" % " + ".join(
+            ['arg_%d' % i for i in range(len(subset))] + ['42'])
+        if self.opnum == rop.CALL_I:
+            result = 'sum'
+        elif self.opnum == rop.CALL_F:
+            result = 'float(sum)'
+        elif self.opnum == rop.CALL_N:
+            result = ''
         else:
-            funcargs = ", ".join(['arg_%d' % i for i in range(len(subset))])
-            sum = "intmask(%s)" % " + ".join(['arg_%d' % i for i in 
range(len(subset))])
+            raise AssertionError(self.opnum)
         code = py.code.Source("""
         def f(%s):
-           return %s
-        """ % (funcargs, sum)).compile()
+            sum = %s
+            return %s
+        """ % (funcargs, sum, result)).compile()
         d = {'intmask' : intmask}
         exec code in d
         return subset, d['f']
@@ -573,14 +585,25 @@
         """ % funcargs).compile()
         vtableptr = v._hints['vtable']._as_ptr()
         d = {
-            'ptr': S.value,
+            'ptr': S.getref_base(),
             'vtable' : vtableptr,
             'LLException' : LLException,
             }
         exec code in d
         return subset, d['f'], vtableptr
 
+    def getresulttype(self):
+        if self.opnum == rop.CALL_I:
+            return lltype.Signed
+        elif self.opnum == rop.CALL_F:
+            return lltype.Float
+        elif self.opnum == rop.CALL_N or self.opnum == rop.COND_CALL:
+            return lltype.Void
+        else:
+            raise AssertionError(self.opnum)
+
     def getcalldescr(self, builder, TP):
+        assert TP.RESULT == self.getresulttype()
         ef = EffectInfo.MOST_GENERAL
         return builder.cpu.calldescrof(TP, TP.ARGS, TP.RESULT, ef)
 
@@ -589,17 +612,14 @@
     def produce_into(self, builder, r):
         fail_subset = builder.subset_of_intvars(r)
         subset, f = self.non_raising_func_code(builder, r)
-        if len(subset) == 0:
-            RES = lltype.Void
-        else:
-            RES = lltype.Signed
+        RES = self.getresulttype()
         TP = lltype.FuncType([lltype.Signed] * len(subset), RES)
         ptr = llhelper(lltype.Ptr(TP), f)
         c_addr = ConstAddr(llmemory.cast_ptr_to_adr(ptr), builder.cpu)
         args = [c_addr] + subset
         descr = self.getcalldescr(builder, TP)
         self.put(builder, args, descr)
-        op = ResOperation(rop.GUARD_NO_EXCEPTION, [], None,
+        op = ResOperation(rop.GUARD_NO_EXCEPTION, [],
                           descr=builder.getfaildescr())
         op.setfailargs(fail_subset)
         builder.loop.operations.append(op)
@@ -609,10 +629,7 @@
 class CallOperationException(BaseCallOperation):
     def produce_into(self, builder, r):
         subset, f = self.non_raising_func_code(builder, r)
-        if len(subset) == 0:
-            RES = lltype.Void
-        else:
-            RES = lltype.Signed
+        RES = self.getresulttype()
         TP = lltype.FuncType([lltype.Signed] * len(subset), RES)
         ptr = llhelper(lltype.Ptr(TP), f)
         c_addr = ConstAddr(llmemory.cast_ptr_to_adr(ptr), builder.cpu)
@@ -621,7 +638,7 @@
         self.put(builder, args, descr)
         _, vtableptr = builder.get_random_structure_type_and_vtable(r)
         exc_box = ConstAddr(llmemory.cast_ptr_to_adr(vtableptr), builder.cpu)
-        op = ResOperation(rop.GUARD_EXCEPTION, [exc_box], BoxPtr(),
+        op = ResOperation(rop.GUARD_EXCEPTION, [exc_box],
                           descr=builder.getfaildescr())
         op.setfailargs(builder.subset_of_intvars(r))
         op._exc_box = None
@@ -642,7 +659,7 @@
         descr = self.getcalldescr(builder, TP)
         self.put(builder, args, descr)
         exc_box = ConstAddr(llmemory.cast_ptr_to_adr(exc), builder.cpu)
-        op = ResOperation(rop.GUARD_EXCEPTION, [exc_box], BoxPtr(),
+        op = ResOperation(rop.GUARD_EXCEPTION, [exc_box],
                           descr=builder.getfaildescr())
         op.setfailargs(fail_subset)
         builder.loop.operations.append(op)
@@ -658,7 +675,7 @@
         args = [c_addr] + subset
         descr = self.getcalldescr(builder, TP)
         self.put(builder, args, descr)
-        op = ResOperation(rop.GUARD_NO_EXCEPTION, [], BoxPtr(),
+        op = ResOperation(rop.GUARD_NO_EXCEPTION, [],
                           descr=builder.getfaildescr())
         op._exc_box = ConstAddr(llmemory.cast_ptr_to_adr(exc), builder.cpu)
         op.setfailargs(builder.subset_of_intvars(r))
@@ -682,7 +699,7 @@
             if vtableptr != exc:
                 break
         other_box = ConstAddr(llmemory.cast_ptr_to_adr(vtableptr), builder.cpu)
-        op = ResOperation(rop.GUARD_EXCEPTION, [other_box], BoxPtr(),
+        op = ResOperation(rop.GUARD_EXCEPTION, [other_box],
                           descr=builder.getfaildescr())
         op._exc_box = ConstAddr(llmemory.cast_ptr_to_adr(exc), builder.cpu)
         op.setfailargs(builder.subset_of_intvars(r))
@@ -713,7 +730,7 @@
         args = [v_cond, c_addr] + subset
         descr = self.getcalldescr(builder, TP)
         self.put(builder, args, descr)
-        op = ResOperation(rop.GUARD_NO_EXCEPTION, [], None,
+        op = ResOperation(rop.GUARD_NO_EXCEPTION, [],
                           descr=builder.getfaildescr())
         op.setfailargs(fail_subset)
         builder.loop.operations.append(op)
@@ -723,17 +740,18 @@
 OPERATIONS = test_random.OPERATIONS[:]
 
 for i in range(4):      # make more common
-    OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC))
-    OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC))
-    OPERATIONS.append(GetInteriorFieldOperation(rop.GETINTERIORFIELD_GC))
+    OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC_I))
+    OPERATIONS.append(GetFieldOperation(rop.GETFIELD_GC_I))
+    OPERATIONS.append(GetInteriorFieldOperation(rop.GETINTERIORFIELD_GC_I))
+    OPERATIONS.append(GetInteriorFieldOperation(rop.GETINTERIORFIELD_GC_I))
     OPERATIONS.append(SetFieldOperation(rop.SETFIELD_GC))
     OPERATIONS.append(ZeroPtrFieldOperation(rop.ZERO_PTR_FIELD))
     OPERATIONS.append(SetInteriorFieldOperation(rop.SETINTERIORFIELD_GC))
     OPERATIONS.append(NewOperation(rop.NEW))
     OPERATIONS.append(NewOperation(rop.NEW_WITH_VTABLE))
 
-    OPERATIONS.append(GetArrayItemOperation(rop.GETARRAYITEM_GC))
-    OPERATIONS.append(GetArrayItemOperation(rop.GETARRAYITEM_GC))
+    OPERATIONS.append(GetArrayItemOperation(rop.GETARRAYITEM_GC_I))
+    OPERATIONS.append(GetArrayItemOperation(rop.GETARRAYITEM_GC_I))
     OPERATIONS.append(SetArrayItemOperation(rop.SETARRAYITEM_GC))
     OPERATIONS.append(NewArrayOperation(rop.NEW_ARRAY_CLEAR))
     OPERATIONS.append(ArrayLenOperation(rop.ARRAYLEN_GC))
@@ -750,14 +768,16 @@
 
 for i in range(2):
     OPERATIONS.append(GuardClassOperation(rop.GUARD_CLASS))
-    OPERATIONS.append(CallOperation(rop.CALL))
-    OPERATIONS.append(RaisingCallOperation(rop.CALL))
-    OPERATIONS.append(RaisingCallOperationGuardNoException(rop.CALL))
-    OPERATIONS.append(RaisingCallOperationWrongGuardException(rop.CALL))
-    OPERATIONS.append(CallOperationException(rop.CALL))
     OPERATIONS.append(CondCallOperation(rop.COND_CALL))
+    OPERATIONS.append(RaisingCallOperation(rop.CALL_N))
+    OPERATIONS.append(RaisingCallOperationGuardNoException(rop.CALL_N))
+    OPERATIONS.append(RaisingCallOperationWrongGuardException(rop.CALL_N))
 OPERATIONS.append(GuardNonNullClassOperation(rop.GUARD_NONNULL_CLASS))
 
+for _opnum in [rop.CALL_I, rop.CALL_F, rop.CALL_N]:
+    OPERATIONS.append(CallOperation(_opnum))
+    OPERATIONS.append(CallOperationException(_opnum))
+
 LLtypeOperationBuilder.OPERATIONS = OPERATIONS
 
 # ____________________________________________________________
diff --git a/rpython/jit/backend/test/test_random.py 
b/rpython/jit/backend/test/test_random.py
--- a/rpython/jit/backend/test/test_random.py
+++ b/rpython/jit/backend/test/test_random.py
@@ -8,7 +8,7 @@
 from rpython.jit.metainterp.resoperation import ResOperation, rop
 from rpython.jit.metainterp.resoperation import InputArgInt, InputArgRef
 from rpython.jit.metainterp.resoperation import InputArgFloat
-from rpython.jit.metainterp.executor import execute_nonspec_const
+from rpython.jit.metainterp.executor import _execute_arglist, wrap_constant
 from rpython.jit.metainterp.resoperation import opname
 from rpython.jit.codewriter import longlong
 from rpython.rtyper.lltypesystem import lltype, rstr
@@ -56,11 +56,11 @@
         self.fakemetainterp._got_exc = None
         op = ResOperation(opnum, argboxes, descr)
         if opnum != rop.ZERO_PTR_FIELD:
-            assert op.type != VOID, op
-            c_result = execute_nonspec_const(self.cpu, self.fakemetainterp,
-                                             opnum, argboxes, descr,
-                                             type=op.type)
-            op.copy_value_from(c_result)
+            result = _execute_arglist(self.cpu, self.fakemetainterp,
+                                      opnum, argboxes, descr)
+            if result is not None:
+                c_result = wrap_constant(result)
+                op.copy_value_from(c_result)
         self.loop.operations.append(op)
         return op
 
@@ -300,6 +300,8 @@
             elif v_result.type == FLOAT:
                 builder.floatvars.append(v_result)
                 assert self.boolres != True
+            elif v_result.type == VOID:
+                assert self.boolres != True
             else:
                 raise NotImplementedError(v_result)
 
@@ -828,6 +830,8 @@
         op = self.should_fail_by
         if not op.getfailargs():
             return False
+        for _fail_box in fail_args:
+            _fail_box.set_forwarded(None)
         # generate the branch: a sequence of operations that ends in a FINISH
         subloop = DummyLoop([])
         self.subloops.append(subloop)   # keep around for debugging
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