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Merged
methane merged 20 commits into from
Dec 14, 2017
Merged

bpo-29469: Move constant folding at AST level #2858

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b0c4745
bpo-29469: Move constant folding at AST level
methane Jul 25, 2017
a4edbc3
stable visitor order
methane Jul 26, 2017
9b0f10c
remove simple constant folding from peephole
methane Jul 26, 2017
a603d5b
stabilize prototype order
methane Jul 26, 2017
e2ae3fd
Merge remote-tracking branch 'origin/master' into ast-constant-fold
methane Oct 6, 2017
43ae08a
Merge remote-tracking branch 'origin/master' into ast-constant-fold
methane Dec 4, 2017
04fb56c
Remove code generator for ast_opt.c
methane Dec 12, 2017
5da0739
remove noop functions
methane Dec 12, 2017
af2a46b
make regen-all
methane Dec 12, 2017
078c1ed
Fix test.test_plistlib.TestPlistlib.test_tuple_members
methane Dec 12, 2017
b64240d
Merge remote-tracking branch 'origin/master' into ast-constant-fold
methane Dec 13, 2017
89c54ad
return type should be separated line
methane Dec 13, 2017
94160d4
Use Py_UNREACHABLE()
methane Dec 13, 2017
e416c5f
Fix KeyboardInterrupt handling
methane Dec 13, 2017
3f34890
Use designated initializer
methane Dec 13, 2017
e1f466d
Fix error handling in fold_binop()
methane Dec 13, 2017
1f3fc8e
fix
methane Dec 13, 2017
17396dc
Add NEWS entry
methane Dec 13, 2017
de2effe
fix
methane Dec 13, 2017
30edda9
make regen-all
methane Dec 14, 2017
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3 changes: 3 additions & 0 deletions Doc/whatsnew/3.7.rst
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Expand Up @@ -559,6 +559,9 @@ Optimizations
and :meth:`selectors.DevpollSelector.modify` may be around 10% faster under
heavy loads. (Contributed by Giampaolo Rodola' in :issue:`30014`)

* Constant folding is moved from peephole optimizer to new AST optimizer.
(Contributed by Eugene Toder and INADA Naoki in :issue:`29469`)

Build and C API Changes
=======================

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2 changes: 2 additions & 0 deletions Include/compile.h
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Expand Up @@ -75,6 +75,8 @@ PyAPI_FUNC(PyObject*) _Py_Mangle(PyObject *p, PyObject *name);
#define PY_INVALID_STACK_EFFECT INT_MAX
PyAPI_FUNC(int) PyCompile_OpcodeStackEffect(int opcode, int oparg);

PyAPI_FUNC(int) _PyAST_Optimize(struct _mod *, PyArena *arena);

#ifdef __cplusplus
}
#endif
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1 change: 1 addition & 0 deletions Makefile.pre.in
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Expand Up @@ -319,6 +319,7 @@ PYTHON_OBJS= \
Python/Python-ast.o \
Python/asdl.o \
Python/ast.o \
Python/ast_opt.o \
Python/bltinmodule.o \
Python/ceval.o \
Python/compile.o \
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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2017-07-26-00-20-15.bpo-29469.potmyI.rst
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@@ -0,0 +1,2 @@
Move constant folding from bytecode layer to AST layer.
Original patch by Eugene Toder.
1 change: 1 addition & 0 deletions PCbuild/pythoncore.vcxproj
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Expand Up @@ -356,6 +356,7 @@
<ClCompile Include="..\Python\_warnings.c" />
<ClCompile Include="..\Python\asdl.c" />
<ClCompile Include="..\Python\ast.c" />
<ClCompile Include="..\Python\ast_opt.c" />
<ClCompile Include="..\Python\bltinmodule.c" />
<ClCompile Include="..\Python\bootstrap_hash.c" />
<ClCompile Include="..\Python\ceval.c" />
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3 changes: 3 additions & 0 deletions PCbuild/pythoncore.vcxproj.filters
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Expand Up @@ -824,6 +824,9 @@
<ClCompile Include="..\Python\ast.c">
<Filter>Python</Filter>
</ClCompile>
<ClCompile Include="..\Python\ast_opt.c">
<Filter>Python</Filter>
</ClCompile>
<ClCompile Include="..\Python\bltinmodule.c">
<Filter>Python</Filter>
</ClCompile>
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