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LocalAccessValidator: fix validation of closures with no outer variables.

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This commit is contained in:
whitequark 2015-07-21 13:16:18 +03:00
parent 6f11fa6bb1
commit e299801c0f
1 changed files with 8 additions and 6 deletions
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14
artiq/compiler/validators/local_access.py
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@ -99,12 +99,14 @@ class LocalAccessValidator:
if isinstance(insn, ir.Closure):
env = insn.environment()
for var_name in block_state[env]:
if not block_state[env][var_name]:
# A closure would capture this variable while it is not always
# initialized. Note that this check is transitive.
self._uninitialized_access(insn, var_name,
pred_at_fault(env, var_name))
# Make sure this environment has any interesting variables.
if env in block_state:
for var_name in block_state[env]:
if not block_state[env][var_name]:
# A closure would capture this variable while it is not always
# initialized. Note that this check is transitive.
self._uninitialized_access(insn, var_name,
pred_at_fault(env, var_name))
# Save the state.
state[block] = block_state