chriseth
4407af53b5
Gas meter for Yul expressions.
2019-05-28 11:34:47 +02:00
chriseth
4061ad0a7b
Implement references using InvertibleRelation as data structure.
2019-05-27 22:55:59 +02:00
chriseth
e5902c58a4
Merge pull request #6777 from sifmelcara/loop-cond-rewriter
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[YulOpt] Implement ForLoopConditionIntoBody
2019-05-23 12:51:51 +02:00
chriseth
0f146ce55a
Do not rematerialize recursively.
2019-05-23 12:03:39 +02:00
chriseth
1e3878121a
Do not inline recursive functions.
2019-05-22 18:15:21 +02:00
mingchuan
a86b00e8d0
[YulOpt] Implement ForLoopConditionIntoBody
2019-05-22 21:32:18 +08:00
chriseth
1dc15d5864
Modify parser and optimizer.
2019-05-20 17:32:56 +02:00
chriseth
46d9df7574
Add EVM opcodes as builtins.
2019-05-20 16:46:31 +02:00
chriseth
8daa281d3d
Merge pull request #6776 from ethereum/equivalentFunctionHashes
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Use block hashes in EquivalentFunctionDetector.
2019-05-20 14:35:39 +02:00
chriseth
4f3b7b232b
Merge pull request #6774 from ethereum/dialectRefactor
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Dialect refactor
2019-05-17 14:00:09 +02:00
chriseth
4bdb981224
Make dialect const& and allocate single instances statically.
2019-05-17 12:54:24 +02:00
Daniel Kirchner
05c210772a
Make use of make_vector where possible.
2019-05-17 10:08:53 +02:00
Daniel Kirchner
3c66a56e60
Use block hashes in EquivalentFunctionDetector.
2019-05-17 08:39:42 +02:00
chriseth
570db164c9
Make Dialect const.
2019-05-16 21:51:54 +02:00
chriseth
aa24e12054
Remove side-effect-free expressions, and not only movable expressions.
2019-05-16 12:30:05 +02:00
chriseth
e8a88b13e4
Introduce side-effect-free as relaxed version of movable.
2019-05-16 12:30:05 +02:00
Daniel Kirchner
a10501bb7d
Merge pull request #6725 from AndreyBronin/develop
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GCC 9.1 build fix. error: redundant move in return statement
2019-05-15 11:37:20 +02:00
Andrey Bronin
4eb37fe631
fix warning in GCC 9.1: redundant move in return statement
2019-05-14 17:44:28 +03:00
chriseth
439a225cee
Simplify single-run for loops to if statements.
2019-05-13 18:58:36 +02:00
chriseth
99e96c2d66
Refactor termination detection.
2019-05-13 18:58:36 +02:00
chriseth
d9831c8b96
Split structural simplifier.
2019-05-13 10:26:57 +02:00
chriseth
bf104f718f
Increase code cost for branching statements.
2019-04-25 17:08:11 +02:00
chriseth
6292adbde6
Merge pull request #6580 from ethereum/doNotGenerateInstructionsAsNmes
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Prevent instructions to be generated as names.
2019-04-24 22:07:05 +02:00
chriseth
0af8d758a5
Prevent instructions to be generated as names.
2019-04-24 14:35:21 +02:00
chriseth
aad4373da4
Disable redundent assign eliminator for deeply nested loops.
2019-04-23 09:50:25 +02:00
Mathias Baumann
3d061c83d7
IR: Generate inline asm blocks
2019-04-18 16:49:19 +02:00
fnatic
5b6ed7a97c
Removing scope rules for pre block in 'For Loops'
2019-04-17 05:58:40 +05:30
chriseth
fb06451f45
Add assertion that DeadCodeEliminator needs ForLoopInitRewriter.
2019-04-15 23:26:56 +02:00
mingchuan
d49733dfc3
Fix variable decl scope issue in DeadCodeEliminator
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FoorLoopInitRewriter needs to be run before DeadCodeEliminator.
2019-04-10 19:00:29 +08:00
chriseth
d20b3c9f9f
Function grouper is a requirement for the VarNameCleaner.
2019-04-05 13:41:38 +02:00
chriseth
887112b1b0
Fix SSA for multi-assignments.
2019-04-04 12:06:04 +02:00
Mathias Baumann
e20acf5d0a
Yul Optimizer: Remove dead code
2019-04-01 17:16:04 +02:00
chriseth
529aca5cbd
Merge pull request #6407 from ethereum/changeNamespace
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Remove "using namespace" from header and move Instruction to dev::eth.
2019-03-28 14:32:07 +01:00
chriseth
2308904f68
Remove "using namespace" from header and move Instruction to dev::eth.
2019-03-28 13:48:11 +01:00
chriseth
91f96c299e
More logic about control flow with continue and about finalize. Remove BlockScope.
2019-03-27 22:16:31 +01:00
Christian Parpart
a1ec49409d
Yul] RedundantAssignEliminator: Implements break/continue handling within ForLoop.
2019-03-26 17:36:43 +01:00
chriseth
8514c0bc60
Provide max iterations for stack compressor as parameter.
2019-03-20 15:07:05 +01:00
chriseth
aa9a2935ac
Properly determine whether a variable can be eliminated or not.
2019-03-20 15:07:05 +01:00
chriseth
38cbf8d230
Pass "optimize stack allocation" flag down to the stack compressor.
2019-03-20 15:03:27 +01:00
Alex Beregszaszi
5245a66d91
Merge pull request #6318 from ethereum/signal-failure-and-such
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Allow simplification patterns to signal failure
2019-03-20 03:38:51 +00:00
Alex Beregszaszi
f95388011b
Allow simplification patterns to signal failure
2019-03-19 15:51:52 +01:00
Christian Parpart
89f1dbfbb6
[Yul] Refactors RedundantAssignEliminator for future changes wrt. break/continue statements.
2019-03-19 12:24:45 +01:00
Christian Parpart
57bcb8ba83
[yul] Ensures DataFlowAnalyzer works fine with break/continue statements just like without.
2019-03-14 16:18:45 +01:00
chriseth
62d8080a19
Update optimiser readme.
2019-03-12 22:02:09 +01:00
Christian Parpart
05e2d362c8
[Yul] Adds break/continue statements and some general tests for for-loop syntax.
2019-03-11 15:05:05 +01:00
chriseth
791fde953d
First simplify switch with known constant expression.
2019-03-06 21:32:55 +01:00
chriseth
21115f8050
Fix visitation order bug for structural simplifier.
2019-03-06 19:34:07 +01:00
Mathias Baumann
21322dae29
YulOpt: Remove empty cases
2019-03-06 19:02:23 +01:00
Mathias Baumann
be52aa3181
YulOpt: Move if-branches into functions
2019-03-06 19:01:05 +01:00
Mathias Baumann
3ce7069766
YulOpt: Remove empty cases
2019-03-06 18:39:44 +01:00
Mathias Baumann
433175b19e
YulOpt: Add comment about optimization
2019-03-06 18:39:44 +01:00
Mathias Baumann
db3bea7b56
Use reference for so we have to type less
2019-03-06 18:39:44 +01:00
chriseth
831353c590
Merge pull request #6172 from ethereum/runYulOptAsLongAsHelpful
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[Yul] Run yul optimizer until it has no effect anymore.
2019-03-06 11:41:22 +01:00
chriseth
f35694f655
Run yul optimizer until it has no effect anymore.
2019-03-05 20:30:13 +01:00
Mathias Baumann
f6e09d6368
YulOpt: Extend StructuralSimplifier to work with all types
2019-03-05 18:39:27 +01:00
chriseth
3f784d6e00
Do not prepend function name to all variables when inlining.
2019-03-04 18:07:00 +01:00
Christian Parpart
609855546e
Yul: Adds optimizer pass to make variable names suffix-canonical.
2019-03-04 17:26:56 +01:00
Mathias Baumann
c686a65876
Yul Optimizer: reduce switches with const arguments
2019-02-28 15:43:10 +01:00
chriseth
477c53a46f
Fix expression simplifying by moving from SSAValueTracker to DataFlowAnalyzer as a base.
2019-02-27 16:14:39 +01:00
chriseth
8aeebf7fcd
Merge pull request #6071 from ethereum/moveEVMVersionToEVMDialect
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Make EVM version part of EVM dialect.
2019-02-25 11:56:53 +01:00
chriseth
7f5b335b47
Make EVM version part of EVM dialect.
2019-02-21 21:59:46 +01:00
chriseth
91fb2d094d
Clear state when entering new function.
2019-02-21 20:04:20 +01:00
Daniel Kirchner
8ca6715e18
More style checks.
2019-02-14 11:41:20 +01:00
chriseth
1a823f0bf8
Fix tabs/spaces.
2019-02-13 17:05:48 +01:00
chriseth
83083d2208
Stack compressor.
2019-02-11 15:48:29 +01:00
chriseth
5a34743d88
Allow optimizer steps to run on FunctionDefinition and group suite.
2019-02-11 15:48:29 +01:00
chriseth
b34e104173
Make dialect a shared pointer.
2019-02-11 15:48:29 +01:00
chriseth
11969cd760
Add some more explicit moves required in some compiler and boost version combinations.
2019-02-04 15:50:41 +01:00
Alex Beregszaszi
ee09d54525
Change FIXMEs into TODOs where appropriate
2019-01-29 00:35:23 +00:00
Alex Beregszaszi
2fc7928697
Merge pull request #5864 from ethereum/tuneOptOrder
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Some optimizer tuning.
2019-01-28 13:50:09 +00:00
chriseth
12e2187661
Some tuning.
2019-01-24 23:06:01 +01:00
chriseth
1fc98b8133
Fix optimizer suite.
2019-01-24 20:42:32 +01:00
Daniel Kirchner
29f66b2674
Stabilize SSAReverser.
2019-01-17 21:05:32 +01:00
Daniel Kirchner
fd16585724
Undo second SSA transformation and add more tests.
2019-01-17 20:37:43 +01:00
Daniel Kirchner
6de2d92f20
Add SSAReverser to the yul optimiser.
2019-01-17 20:37:43 +01:00
Christian Parpart
065c3c87af
libyul: changing some AST members from shared_ptr<> to unique_ptr<>
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* Some spaces look a little more verbose now, but that shouln't be a problem as it also should raise readability, too.
* This makes some use of return-value-optimizations also.
2019-01-16 14:58:59 +01:00
Daniel Kirchner
81f24f24e6
Add equivalent function combiner as Yul optimizer step.
2019-01-15 17:21:03 +01:00
Daniel Kirchner
4c8f8e9491
Disallow mismatching types in switch cases and detect duplicates by value for number literals.
2019-01-15 16:32:21 +01:00
Daniel Kirchner
5a99623fec
Avoid explicit conversion from Block to Statement in CodeSize visit.
2019-01-11 12:52:24 +01:00
chriseth
d9c6773664
Adjust inlining thresholds.
2019-01-09 16:57:33 +01:00
chriseth
edda79eec5
Variables are free with regards to code size.
2019-01-09 16:57:33 +01:00
chriseth
5b8b016fae
Use the block flattener.
2019-01-08 16:02:14 +01:00
chriseth
f5b24a38b8
Make function grouper idempotent.
2019-01-08 15:05:09 +01:00
chriseth
5b73c2ae3b
Take special functions that require literals into account.
2019-01-07 17:23:38 +01:00
chriseth
9222eff08f
Make the dialect available everywhere.
2019-01-07 16:41:03 +01:00
chriseth
2e9c70add0
Use rematerializer if variable is unreferenced or value is "cheap".
2019-01-07 14:03:32 +01:00
Christian Parpart
62fe57479e
make use of C++ = default
constructor declarations as well as more non-static member initialization syntax.
2018-12-19 11:26:42 +01:00
chriseth
bf7d71d6b3
Merge pull request #5613 from ethereum/yulStringLiterals
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[Yul] Use C++ user-defined literals for creating YulString constants.
2018-12-17 14:07:24 +01:00
chriseth
bc22a25a60
Remove VarDeclPropagator.
2018-12-13 16:51:10 +01:00
chriseth
6c6a53a439
Do not create unassigned variables.
2018-12-13 16:51:10 +01:00
chriseth
11209ec48a
Add variable declaration initializer.
2018-12-13 16:49:04 +01:00
chriseth
b11d413720
Consider return variables to be zero initially.
2018-12-13 16:02:30 +01:00
chriseth
60a368244a
Do not inline into already big functions.
2018-12-13 12:12:54 +01:00
Daniel Kirchner
5ac7620045
Use C++ user-defined literals for creating YulString constants.
2018-12-12 18:45:43 +01:00
chriseth
9557dd7e74
Support unassigned variables in the SSA value tracker and the data flow analyzer.
2018-12-12 18:06:28 +01:00
Daniel Kirchner
a18985800f
Fix compilation for certain combinations of boost and gcc.
2018-12-12 07:51:23 +01:00
liangdzou
362648a450
Reuse stack slots in Yul to EVM code generation.
2018-12-10 14:28:56 +01:00
Daniel Kirchner
1eb60cbb39
Add structural simplifier as optimization step for Yul.
2018-12-06 18:37:35 +01:00
Mathias Baumann
d0204eef2f
SSAValueTracker should only use nullptr for default values
2018-12-05 18:01:41 +01:00
chriseth
32c9da9419
Merge pull request #5593 from ethereum/issue-5384
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Fix expression simplifier asserting on default values
2018-12-05 17:58:23 +01:00