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Track unreachable variables globally instead of per function.

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This commit is contained in:
Daniel Kirchner
2020-10-06 10:38:26 +02:00
parent 756e21a888
commit 0b87849bcb
3 changed files with 19 additions and 37 deletions
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libyul/optimiser/StackLimitEvader.cpp
+2 -3
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@@ -66,14 +66,13 @@ struct MemoryOffsetAllocator
if (unreachableVariables.count(_function))
{
yulAssert(!slotAllocations.count(_function), "");
auto& assignedSlots = slotAllocations[_function];
for (YulString variable: unreachableVariables.at(_function))
if (variable.empty())
{
// TODO: Too many function arguments or return parameters.
}
else
assignedSlots[variable] = requiredSlots++;
slotAllocations[variable] = requiredSlots++;
}
return slotsRequiredForFunction[_function] = requiredSlots;
@@ -82,7 +81,7 @@ struct MemoryOffsetAllocator
map<YulString, set<YulString>> const& unreachableVariables;
map<YulString, set<YulString>> const& callGraph;
map<YulString, map<YulString, uint64_t>> slotAllocations{};
map<YulString, uint64_t> slotAllocations{};
map<YulString, uint64_t> slotsRequiredForFunction{};
};