[pypy-commit] pypy default: small steps - get rid of a confusing loop

[fijal]

Author: Maciej Fijalkowski <fijall at gmail.com>
Branch: 
Changeset: r74895:dcf1b6b1b8a5
Date: 2014-12-12 14:01 +0200
http://bitbucket.org/pypy/pypy/changeset/dcf1b6b1b8a5/

Log:	small steps - get rid of a confusing loop

diff --git a/rpython/jit/metainterp/compile.py b/rpython/jit/metainterp/compile.py
--- a/rpython/jit/metainterp/compile.py
+++ b/rpython/jit/metainterp/compile.py
@@ -146,7 +146,7 @@
     loop.quasi_immutable_deps = {}
     if part.quasi_immutable_deps:
         loop.quasi_immutable_deps.update(part.quasi_immutable_deps)
-    while part.operations[-1].getopnum() == rop.LABEL:
+    if part.operations[-1].getopnum() == rop.LABEL:
         inliner = Inliner(inputargs, jumpargs)
         part.quasi_immutable_deps = None
         part.operations = [part.operations[-1]] + \
@@ -167,6 +167,7 @@
         loop.operations = loop.operations[:-1] + part.operations
         if part.quasi_immutable_deps:
             loop.quasi_immutable_deps.update(part.quasi_immutable_deps)
+    assert part.operations[-1].getopnum() != rop.LABEL
 
     if not loop.quasi_immutable_deps:
         loop.quasi_immutable_deps = None