[pypy-svn] r79718 - pypy/branch/arm-backend/pypy/jit/backend/arm/test

[david at codespeak.net]

Author: david
Date: Wed Dec  1 17:35:57 2010
New Revision: 79718

Added:
   pypy/branch/arm-backend/pypy/jit/backend/arm/test/test_ztranslate_backend.py
Log:
Test for the translation of the backend

Added: pypy/branch/arm-backend/pypy/jit/backend/arm/test/test_ztranslate_backend.py
==============================================================================
--- (empty file)
+++ pypy/branch/arm-backend/pypy/jit/backend/arm/test/test_ztranslate_backend.py	Wed Dec  1 17:35:57 2010
@@ -0,0 +1,55 @@
+import py
+from pypy.jit.metainterp.history import (AbstractFailDescr,
+                                         AbstractDescr,
+                                         BasicFailDescr,
+                                         BoxInt, Box, BoxPtr,
+                                         LoopToken,
+                                         ConstInt, ConstPtr,
+                                         BoxObj, Const,
+                                         ConstObj, BoxFloat, ConstFloat)
+from pypy.jit.metainterp.resoperation import ResOperation, rop
+from pypy.rpython.test.test_llinterp import interpret
+from pypy.jit.backend.detect_cpu import getcpuclass
+from pypy.jit.backend.arm.runner import ArmCPU
+
+class FakeStats(object):
+    pass
+cpu = getcpuclass()(rtyper=None, stats=FakeStats(), translate_support_code=True)
+class TestBackendTranslation(object):
+    def test_compile_bridge(self):
+        def loop():
+            i0 = BoxInt()
+            i1 = BoxInt()
+            i2 = BoxInt()
+            faildescr1 = BasicFailDescr(1)
+            faildescr2 = BasicFailDescr(2)
+            looptoken = LoopToken()
+            operations = [
+                ResOperation(rop.INT_ADD, [i0, ConstInt(1)], i1),
+                ResOperation(rop.INT_LE, [i1, ConstInt(9)], i2),
+                ResOperation(rop.GUARD_TRUE, [i2], None, descr=faildescr1),
+                ResOperation(rop.JUMP, [i1], None, descr=looptoken),
+                ]
+            inputargs = [i0]
+            operations[2].setfailargs([i1])
+            cpu.compile_loop(inputargs, operations, looptoken)
+
+            i1b = BoxInt()
+            i3 = BoxInt()
+            bridge = [
+                ResOperation(rop.INT_LE, [i1b, ConstInt(19)], i3),
+                ResOperation(rop.GUARD_TRUE, [i3], None, descr=faildescr2),
+                ResOperation(rop.JUMP, [i1b], None, descr=looptoken),
+            ]
+            bridge[1].setfailargs([i1b])
+
+            cpu.compile_bridge(faildescr1, [i1b], bridge)
+
+            cpu.set_future_value_int(0, 2)
+            fail = cpu.execute_token(looptoken)
+            res = cpu.get_latest_value_int(0)
+            return fail.identifier * 1000 + res
+
+        res = interpret(loop, [], insist=True)
+        assert res == 2020
+