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Take user function side-effects into account for unused pruner.

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chriseth
2019-09-02 17:41:51 +02:00
parent 1c5845e3f2
commit 127bcfc69d
8 changed files with 72 additions and 26 deletions
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libyul/optimiser/Suite.cpp
+11 -11
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@@ -87,7 +87,7 @@ void OptimiserSuite::run(
DeadCodeEliminator{_dialect}(ast);
FunctionGrouper{}(ast);
EquivalentFunctionCombiner::run(ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
BlockFlattener{}(ast);
ControlFlowSimplifier{_dialect}(ast);
StructuralSimplifier{_dialect}(ast);
@@ -127,20 +127,20 @@ void OptimiserSuite::run(
ControlFlowSimplifier{_dialect}(ast);
BlockFlattener{}(ast);
DeadCodeEliminator{_dialect}(ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
}
{
// simplify again
CommonSubexpressionEliminator::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
}
{
// reverse SSA
SSAReverser::run(ast);
CommonSubexpressionEliminator::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
ExpressionJoiner::run(ast);
ExpressionJoiner::run(ast);
@@ -151,7 +151,7 @@ void OptimiserSuite::run(
{
// run functional expression inliner
ExpressionInliner(_dialect, ast).run();
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
}
{
@@ -185,7 +185,7 @@ void OptimiserSuite::run(
SSATransform::run(ast, dispenser);
RedundantAssignEliminator::run(_dialect, ast);
RedundantAssignEliminator::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
CommonSubexpressionEliminator::run(_dialect, ast);
}
}
@@ -194,19 +194,19 @@ void OptimiserSuite::run(
ExpressionJoiner::run(ast);
Rematerialiser::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
ExpressionJoiner::run(ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
ExpressionJoiner::run(ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
SSAReverser::run(ast);
CommonSubexpressionEliminator::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
ExpressionJoiner::run(ast);
Rematerialiser::run(_dialect, ast);
UnusedPruner::runUntilStabilised(_dialect, ast, reservedIdentifiers);
UnusedPruner::runUntilStabilisedOnFullAST(_dialect, ast, reservedIdentifiers);
// This is a tuning parameter, but actually just prevents infinite loops.
size_t stackCompressorMaxIterations = 16;