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Inline tiny functions first.

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This commit is contained in:
chriseth
2020-09-10 17:01:20 +02:00
parent f102feaf09
commit 42c26e0bf5
8 changed files with 182 additions and 315 deletions
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libyul/optimiser/FullInliner.cpp
+10 -2
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@@ -42,7 +42,9 @@ using namespace solidity::yul;
void FullInliner::run(OptimiserStepContext& _context, Block& _ast)
{
FullInliner{_ast, _context.dispenser, _context.dialect}.run();
FullInliner inliner{_ast, _context.dispenser, _context.dialect};
inliner.run(Pass::InlineTiny);
inliner.run(Pass::InlineRest);
}
FullInliner::FullInliner(Block& _ast, NameDispenser& _dispenser, Dialect const& _dialect):
@@ -73,8 +75,10 @@ FullInliner::FullInliner(Block& _ast, NameDispenser& _dispenser, Dialect const&
}
}
void FullInliner::run()
void FullInliner::run(Pass _pass)
{
m_pass = _pass;
// Note that the order of inlining can result in very different code.
// Since AST IDs and thus function names depend on whether or not a contract
// is compiled together with other source files, a change in AST IDs
@@ -171,6 +175,10 @@ bool FullInliner::shallInline(FunctionCall const& _funCall, YulString _callSite)
if (size <= 1)
return true;
// In the first pass, only inline tiny functions.
if (m_pass == Pass::InlineTiny)
return false;
// Do not inline into already big functions.
if (m_functionSizes.at(_callSite) > 45)
return false;