[pypy-commit] pypy default: Warning

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r87061:a8a4ffe56b74
Date: 2016-09-13 09:37 +0100
http://bitbucket.org/pypy/pypy/changeset/a8a4ffe56b74/

Log:	Warning

diff --git a/rpython/jit/codewriter/call.py b/rpython/jit/codewriter/call.py
--- a/rpython/jit/codewriter/call.py
+++ b/rpython/jit/codewriter/call.py
@@ -250,6 +250,8 @@
                     error = '@jit.loop_invariant'
                 if hasattr(graph.func, '_call_aroundstate_target_'):
                     error = '_call_aroundstate_target_'
+                if hasattr(graph.func, '_call_shortcut_'):
+                    error = '@jit.call_shortcut'
                 if not error:
                     continue
                 raise Exception(
diff --git a/rpython/rlib/jit.py b/rpython/rlib/jit.py
--- a/rpython/rlib/jit.py
+++ b/rpython/rlib/jit.py
@@ -259,6 +259,8 @@
 
 def call_shortcut(func):
     """A decorator to ensure that a function has a fast-path.
+    DOES NOT RELIABLY WORK ON METHODS, USE ONLY ON FUNCTIONS!
+
     Only useful on functions that the JIT doesn't normally look inside.
     It still replaces residual calls to that function with inline code
     that checks for a fast path, and only does the call if not.  For