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| author | chriseth <chris@ethereum.org> | 2017-10-17 00:45:21 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-17 00:45:21 +0800 |
| commit | f5e91e4a94b01daf2bbde637abef1796f063c348 (patch) | |
| tree | 9c987c533bc9f9dbe68ad1a13bc7cb5352cbd737 /libevmasm/Assembly.cpp | |
| parent | 7c94e5462abb327016520b896178de41bea473c2 (diff) | |
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Throw on too many peephole optimizer iterations.
Diffstat (limited to 'libevmasm/Assembly.cpp')
| -rw-r--r-- | libevmasm/Assembly.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libevmasm/Assembly.cpp b/libevmasm/Assembly.cpp index 37c4fb22..5fab24e1 100644 --- a/libevmasm/Assembly.cpp +++ b/libevmasm/Assembly.cpp @@ -407,8 +407,11 @@ map<u256, u256> Assembly::optimiseInternal( if (_settings.runPeephole) { PeepholeOptimiser peepOpt(m_items); - while (peepOpt.optimise() && count < 0xffffff) + while (peepOpt.optimise()) + { count++; + assertThrow(count < 64000, OptimizerException, "Peephole optimizer seems to be stuck."); + } } // This only modifies PushTags, we have to run again to actually remove code. |