Author: Lukas Diekmann <lukas.diekm...@uni-duesseldorf.de>
Branch:
Changeset: r50011:6d12edf0639c
Date: 2011-11-30 15:14 +0100
http://bitbucket.org/pypy/pypy/changeset/6d12edf0639c/
Log: merge
diff --git a/pypy/annotation/specialize.py b/pypy/annotation/specialize.py
--- a/pypy/annotation/specialize.py
+++ b/pypy/annotation/specialize.py
@@ -36,9 +36,7 @@
newtup = SpaceOperation('newtuple', starargs, argscopy[-1])
newstartblock.operations.append(newtup)
newstartblock.closeblock(Link(argscopy, graph.startblock))
- graph.startblock.isstartblock = False
graph.startblock = newstartblock
- newstartblock.isstartblock = True
argnames = argnames + ['.star%d' % i for i in range(nb_extra_args)]
graph.signature = Signature(argnames)
# note that we can mostly ignore defaults: if nb_extra_args > 0,
diff --git a/pypy/jit/metainterp/warmspot.py b/pypy/jit/metainterp/warmspot.py
--- a/pypy/jit/metainterp/warmspot.py
+++ b/pypy/jit/metainterp/warmspot.py
@@ -255,10 +255,8 @@
s_binding = self.translator.annotator.binding
jd._portal_args_s = [s_binding(v) for v in args]
graph = copygraph(graph)
- graph.startblock.isstartblock = False
[jmpp] = find_jit_merge_points([graph])
graph.startblock = support.split_before_jit_merge_point(*jmpp)
- graph.startblock.isstartblock = True
# a crash in the following checkgraph() means that you forgot
# to list some variable in greens=[] or reds=[] in JitDriver,
# or that a jit_merge_point() takes a constant as an argument.
diff --git a/pypy/objspace/flow/model.py b/pypy/objspace/flow/model.py
--- a/pypy/objspace/flow/model.py
+++ b/pypy/objspace/flow/model.py
@@ -38,7 +38,6 @@
def __init__(self, name, startblock, return_var=None):
self.name = name # function name (possibly mangled already)
self.startblock = startblock
- self.startblock.isstartblock = True
# build default returnblock
self.returnblock = Block([return_var or Variable()])
self.returnblock.operations = ()
@@ -171,11 +170,10 @@
class Block(object):
- __slots__ = """isstartblock inputargs operations exitswitch
+ __slots__ = """inputargs operations exitswitch
exits blockcolor""".split()
def __init__(self, inputargs):
- self.isstartblock = False
self.inputargs = list(inputargs) # mixed list of variable/const XXX
self.operations = [] # list of SpaceOperation(s)
self.exitswitch = None # a variable or
@@ -452,7 +450,6 @@
newblock.closeblock(*newlinks)
newstartblock = blockmap[graph.startblock]
- newstartblock.isstartblock = True
newgraph = FunctionGraph(graph.name, newstartblock)
newgraph.returnblock = blockmap[graph.returnblock]
newgraph.exceptblock = blockmap[graph.exceptblock]
@@ -490,7 +487,6 @@
for block in graph.iterblocks():
- assert bool(block.isstartblock) == (block is graph.startblock)
assert type(block.exits) is tuple, (
"block.exits is a %s (closeblock() or recloseblock() missing?)"
% (type(block.exits).__name__,))
diff --git a/pypy/objspace/flow/test/test_checkgraph.py
b/pypy/objspace/flow/test/test_checkgraph.py
--- a/pypy/objspace/flow/test/test_checkgraph.py
+++ b/pypy/objspace/flow/test/test_checkgraph.py
@@ -13,20 +13,6 @@
py.test.raises(AssertionError, checkgraph, g)
-def test_nostartblock():
- g = FunctionGraph("g", Block([]))
- g.startblock.closeblock(Link([Constant(1)], g.returnblock))
- g.startblock.isstartblock = False
- py.test.raises(AssertionError, checkgraph, g)
-
-def test_twostartblocks():
- g = FunctionGraph("g", Block([]))
- b = Block([])
- b.isstartblock = True
- g.startblock.closeblock(Link([], b))
- b.closeblock(Link([Constant(1)], g.returnblock))
- py.test.raises(AssertionError, checkgraph, g)
-
def test_exitlessblocknotexitblock():
g = FunctionGraph("g", Block([]))
py.test.raises(AssertionError, checkgraph, g)
diff --git a/pypy/rpython/memory/gctransform/asmgcroot.py
b/pypy/rpython/memory/gctransform/asmgcroot.py
--- a/pypy/rpython/memory/gctransform/asmgcroot.py
+++ b/pypy/rpython/memory/gctransform/asmgcroot.py
@@ -92,7 +92,6 @@
# make a copy of the graph that will reload the values
graph2 = copygraph(fnptr._obj.graph)
block2 = graph2.startblock
- block2.isstartblock = False
block1 = Block([])
reloadedvars = []
for v, c_p in zip(block2.inputargs, sra):
@@ -109,7 +108,6 @@
[w], v))
reloadedvars.append(v)
block1.closeblock(Link(reloadedvars, block2))
- block1.isstartblock = True
graph2.startblock = block1
FUNC2 = lltype.FuncType([], FUNC1.RESULT)
fnptr2 = lltype.functionptr(FUNC2,
diff --git a/pypy/rpython/memory/gctransform/test/test_transform.py
b/pypy/rpython/memory/gctransform/test/test_transform.py
--- a/pypy/rpython/memory/gctransform/test/test_transform.py
+++ b/pypy/rpython/memory/gctransform/test/test_transform.py
@@ -102,12 +102,12 @@
llops.genop("gc_pop_alive", [var])
-def checkblock(block, is_borrowed):
+def checkblock(block, is_borrowed, is_start_block):
if block.operations == ():
# a return/exception block -- don't want to think about them
# (even though the test passes for somewhat accidental reasons)
return
- if block.isstartblock:
+ if is_start_block:
refs_in = 0
else:
refs_in = len([v for v in block.inputargs if isinstance(v, Variable)
@@ -167,7 +167,7 @@
if check:
for graph, is_borrowed in graphs_borrowed.iteritems():
for block in graph.iterblocks():
- checkblock(block, is_borrowed)
+ checkblock(block, is_borrowed, block is graph.startblock)
return t, transformer
def getops(graph):
diff --git a/pypy/rpython/memory/gctransform/transform.py
b/pypy/rpython/memory/gctransform/transform.py
--- a/pypy/rpython/memory/gctransform/transform.py
+++ b/pypy/rpython/memory/gctransform/transform.py
@@ -263,9 +263,7 @@
# still be empty (but let's check)
if starts_with_empty_block(graph) and inserted_empty_startblock:
old_startblock = graph.startblock
- graph.startblock.isstartblock = False
graph.startblock = graph.startblock.exits[0].target
- graph.startblock.isstartblock = True
checkgraph(graph)
diff --git a/pypy/rpython/normalizecalls.py b/pypy/rpython/normalizecalls.py
--- a/pypy/rpython/normalizecalls.py
+++ b/pypy/rpython/normalizecalls.py
@@ -116,8 +116,6 @@
v = Constant(default)
outlist.append(v)
newblock.closeblock(Link(outlist, oldblock))
- oldblock.isstartblock = False
- newblock.isstartblock = True
graph.startblock = newblock
for i in range(len(newdefaults)-1,-1,-1):
if newdefaults[i] is NODEFAULT:
@@ -171,8 +169,6 @@
# prepare the output args of newblock and link
outlist = inlist[:]
newblock.closeblock(Link(outlist, oldblock))
- oldblock.isstartblock = False
- newblock.isstartblock = True
graph.startblock = newblock
# finished
checkgraph(graph)
diff --git a/pypy/translator/backendopt/inline.py
b/pypy/translator/backendopt/inline.py
--- a/pypy/translator/backendopt/inline.py
+++ b/pypy/translator/backendopt/inline.py
@@ -453,7 +453,6 @@
#vars that need to be passed through the blocks of the inlined function
linktoinlined = splitlink
copiedstartblock = self.copy_block(self.graph_to_inline.startblock)
- copiedstartblock.isstartblock = False
#find args passed to startblock of inlined function
passon_args = []
for arg in self.op.args[1:]:
diff --git a/pypy/translator/backendopt/mallocv.py
b/pypy/translator/backendopt/mallocv.py
--- a/pypy/translator/backendopt/mallocv.py
+++ b/pypy/translator/backendopt/mallocv.py
@@ -391,7 +391,6 @@
virtualframe = VirtualFrame(graph2.startblock, 0, nodelist)
graphbuilder = GraphBuilder(self, graph2)
specblock = graphbuilder.start_from_virtualframe(virtualframe)
- specblock.isstartblock = True
specgraph = graph2
specgraph.name += '_mallocv'
specgraph.startblock = specblock
diff --git a/pypy/translator/backendopt/test/test_malloc.py
b/pypy/translator/backendopt/test/test_malloc.py
--- a/pypy/translator/backendopt/test/test_malloc.py
+++ b/pypy/translator/backendopt/test/test_malloc.py
@@ -50,7 +50,8 @@
# we do the loop ourselves instead of calling remove_simple_mallocs()
while True:
progress = remover.remove_mallocs_once(graph)
- simplify.transform_dead_op_vars_in_blocks(list(graph.iterblocks()))
+ simplify.transform_dead_op_vars_in_blocks(list(graph.iterblocks()),
+ [graph])
if progress and option.view:
t.view()
if expected_result is not Ellipsis:
diff --git a/pypy/translator/c/test/test_refcount.py
b/pypy/translator/c/test/test_refcount.py
--- a/pypy/translator/c/test/test_refcount.py
+++ b/pypy/translator/c/test/test_refcount.py
@@ -229,7 +229,6 @@
graph = t.buildflowgraph(g)
assert graph.startblock.operations == []
graph.startblock = graph.startblock.exits[0].target
- graph.startblock.isstartblock = True
from pypy.objspace.flow.model import checkgraph
checkgraph(graph)
t._prebuilt_graphs[g] = graph
diff --git a/pypy/translator/simplify.py b/pypy/translator/simplify.py
--- a/pypy/translator/simplify.py
+++ b/pypy/translator/simplify.py
@@ -397,7 +397,8 @@
def transform_dead_op_vars(graph, translator=None):
"""Remove dead operations and variables that are passed over a link
but not used in the target block. Input is a graph."""
- return transform_dead_op_vars_in_blocks(list(graph.iterblocks()),
translator)
+ return transform_dead_op_vars_in_blocks(list(graph.iterblocks()),
+ [graph], translator)
# the set of operations that can safely be removed
# (they have no side effects, at least in R-Python)
@@ -419,11 +420,19 @@
hasattr: True,
}
-def transform_dead_op_vars_in_blocks(blocks, translator=None):
+def find_start_blocks(graphs):
+ start_blocks = set()
+ for graph in graphs:
+ start_blocks.add(graph.startblock)
+ return start_blocks
+
+def transform_dead_op_vars_in_blocks(blocks, graphs, translator=None):
"""Remove dead operations and variables that are passed over a link
but not used in the target block. Input is a set of blocks"""
read_vars = {} # set of variables really used
variable_flow = {} # map {Var: list-of-Vars-it-depends-on}
+ set_of_blocks = set(blocks)
+ start_blocks = find_start_blocks(graphs)
def canremove(op, block):
if op.opname not in CanRemove:
@@ -451,7 +460,7 @@
if block.exits:
for link in block.exits:
- if link.target not in blocks:
+ if link.target not in set_of_blocks:
for arg, targetarg in zip(link.args,
link.target.inputargs):
read_vars[arg] = True
read_vars[targetarg] = True
@@ -465,7 +474,7 @@
read_vars[arg] = True
# an input block's inputargs should not be modified, even if some
# of the function's input arguments are not actually used
- if block.isstartblock:
+ if block in start_blocks:
for arg in block.inputargs:
read_vars[arg] = True
diff --git a/pypy/translator/transform.py b/pypy/translator/transform.py
--- a/pypy/translator/transform.py
+++ b/pypy/translator/transform.py
@@ -115,7 +115,7 @@
# to kill dead (never-followed) links,
# which can possibly remove more variables.
from pypy.translator.simplify import transform_dead_op_vars_in_blocks
- transform_dead_op_vars_in_blocks(block_subset)
+ transform_dead_op_vars_in_blocks(block_subset, self.translator.graphs)
def transform_dead_code(self, block_subset):
"""Remove dead code: these are the blocks that are not annotated at all
diff --git a/pypy/translator/unsimplify.py b/pypy/translator/unsimplify.py
--- a/pypy/translator/unsimplify.py
+++ b/pypy/translator/unsimplify.py
@@ -42,9 +42,7 @@
vars = [copyvar(annotator, v) for v in graph.startblock.inputargs]
newblock = Block(vars)
newblock.closeblock(Link(vars, graph.startblock))
- graph.startblock.isstartblock = False
graph.startblock = newblock
- graph.startblock.isstartblock = True
def starts_with_empty_block(graph):
return (not graph.startblock.operations
@@ -151,9 +149,7 @@
newop = SpaceOperation('direct_call', [c_initial_func], v_none)
extrablock.operations = [newop]
extrablock.closeblock(Link(args, entry_point.startblock))
- entry_point.startblock.isstartblock = False
entry_point.startblock = extrablock
- entry_point.startblock.isstartblock = True
checkgraph(entry_point)
def call_final_function(translator, final_func, annhelper=None):
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