diff options
Diffstat (limited to 'rpython/memory/gctransform/transform.py')
| -rw-r--r-- | rpython/memory/gctransform/transform.py | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/rpython/memory/gctransform/transform.py b/rpython/memory/gctransform/transform.py index d793f91ef2..d3dd64702f 100644 --- a/rpython/memory/gctransform/transform.py +++ b/rpython/memory/gctransform/transform.py @@ -19,6 +19,8 @@ from rpython.rtyper.lltypesystem.lloperation import llop from rpython.translator.simplify import cleanup_graph from rpython.memory.gctransform.log import log +class GCTransformError(Exception): + pass class GcHighLevelOp(object): def __init__(self, gct, op, index, llops): @@ -236,8 +238,12 @@ class BaseGCTransformer(object): inserted_empty_startblock = True is_borrowed = self.compute_borrowed_vars(graph) - for block in graph.iterblocks(): - self.transform_block(block, is_borrowed) + try: + for block in graph.iterblocks(): + self.transform_block(block, is_borrowed) + except GCTransformError as e: + e.args = ('[function %s]: %s' % (graph.name, e.message),) + raise for link, livecounts in self.links_to_split.iteritems(): llops = LowLevelOpList() @@ -519,6 +525,12 @@ class GCTransformer(BaseGCTransformer): def gct_malloc(self, hop, add_flags=None): TYPE = hop.spaceop.result.concretetype.TO + if TYPE._hints.get('never_allocate'): + raise GCTransformError( + "struct %s was marked as @never_allocate but a call to malloc() " + "was found. This probably means that the corresponding class is " + "supposed to be constant-folded away, but for some reason it was not." + % TYPE._name) assert not TYPE._is_varsize() flags = hop.spaceop.args[1].value flavor = flags['flavor'] |