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transforms.interleaver: add a diagnostic for interleave inlining failure.

This commit is contained in:
whitequark 2015-11-24 02:52:41 +08:00
parent 8527e306c3
commit fec5c2ebf0
2 changed files with 26 additions and 0 deletions

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@ -3,6 +3,8 @@
the timestamp would always monotonically nondecrease.
"""
from pythonparser import diagnostic
from .. import types, builtins, ir, iodelay
from ..analyses import domination
from ..algorithms import inline
@ -127,6 +129,14 @@ class Interleaver:
else: # It's a call.
need_to_inline = len(source_blocks) > 1
if need_to_inline:
if old_decomp.static_target_function is None:
diag = diagnostic.Diagnostic("fatal",
"it is not possible to interleave this function call within "
"a 'with parallel:' statement because the compiler could not "
"prove that the same function would always be called", {},
old_decomp.loc)
self.engine.process(diag)
inline(old_decomp)
postdom_tree = domination.PostDominatorTree(func)
continue

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@ -0,0 +1,16 @@
# RUN: %python -m artiq.compiler.testbench.signature +diag %s >%t
# RUN: OutputCheck %s --file-to-check=%t
def f():
delay_mu(2)
def g():
delay_mu(2)
x = f if True else g
def h():
with parallel:
f()
# CHECK-L: ${LINE:+1}: fatal: it is not possible to interleave this function call within a 'with parallel:' statement because the compiler could not prove that the same function would always be called
x()