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419 Commits

Author SHA1 Message Date
chriseth
9417d6775f Control flow side-effects for user-defined functions. 2021-10-14 17:46:07 +02:00
Kamil Śliwak
620ec47efb OptimizerSuite: Rewrite runSequence() with support for nested brackets 2021-10-06 19:15:02 +02:00
Kamil Śliwak
2fb8f1be5b OptimiserSuite: Use string_view instead of string for step sequences 2021-10-06 18:48:41 +02:00
Sreekesh V
79d9d5bf0d Change optimizer sequence validations to allow nested brackets 2021-10-06 18:46:53 +02:00
chriseth
1531863835 Split Common.h into Numeric.h. 2021-09-23 15:27:29 +02:00
chriseth
280ff8cbd4 Use iterateReplacing in StatementRemover. 2021-09-16 15:34:48 +02:00
Daniel Kirchner
c499f27a63 Change RematCandidateSelector to not depend on variable name sorting. 2021-09-08 15:41:40 +02:00
chriseth
be95a8172b
Merge pull request #11891 from ethereum/guidedRematerializer 
Allow the Rematerializer to be restricted to an exact set of variables.
 2021-09-06 16:22:14 +02:00
hrkrshnn
2cdd3b2081 Resolving Keccak-256: check if arguments are identifiers early. 
Previously, the check on whether the optimization was useful gas wise was done before checking if
the keccak256 opcode had identifier as arguments. Since the gas meter crashes when encountering
certain Yul opcodes (create, dataoffset, etc.), this optimizer step crashed.
 2021-09-06 13:48:07 +02:00
Daniel Kirchner
646421fee1 Allow the Rematerializer to be restricted to an exact set of variables. 2021-09-03 15:29:51 +02:00
chriseth
8926274000 Fix recursion protection. 2021-08-19 12:51:54 +02:00
chriseth
4b038e3f02 Extend knowledge base. 2021-08-18 12:42:46 +02:00
Daniel Kirchner
f609288cba Add missing header. 2021-08-17 16:04:38 +02:00
chriseth
3622b30a1d Refactor RedundantAssignEliminator. 2021-08-13 14:25:14 +02:00
Daniel Kirchner
c341445f8e Maintain disambiguation when generating new functions in StackToMemoryMover. 2021-06-28 18:11:57 +02:00
Daniel Kirchner
dfce7b667d Move function arguments and return values. 2021-06-28 18:11:57 +02:00
Daniel Kirchner
cc0169ad68 Function definition collector. 2021-06-28 18:11:57 +02:00
TerranCivilian
c15501eea9 Remove unneeded include files 2021-06-07 12:53:18 -04:00
chriseth
d305c219d8 Fix namespace styles. 2021-05-27 17:41:04 +02:00
hrkrshnn
39b23420ec Extracted the class SMT Solver from ReasoningBasedSimplifier 2021-05-06 11:26:26 +02:00
franzihei
13eec106f4 DOCS: update optimizer docs, harmonize spelling and add Yul-based optimizer module 2021-05-04 17:37:02 +02:00
Djordje Mijovic
e404b6e7a6 Refactoring yul source locations. 2021-05-04 16:05:23 +02:00
chriseth
e2d8005737 Add verbatim builtin. 2021-04-26 19:56:44 +02:00
chriseth
d9df3d50e2
Merge pull request #11311 from anurag-git/issue_10738-3 
Use range-v3 loops(remove_erase, remove_erase_if)
 2021-04-26 14:18:15 +02:00
Harikrishnan Mulackal
2cb525f607
Merge pull request #11306 from ethereum/toevminstruction 
Add toEVMInstruction helper
 2021-04-26 08:41:25 +02:00
anurag4u80
c4cf412fed Replaced boost remove_erase and remove_erase_if 2021-04-24 08:10:41 +05:30
Alex Beregszaszi
d508544340 Add toEVMInstruction helper 
Co-authored-by: Harikrishnan Mulackal <webmail.hari@gmail.com>
 2021-04-23 22:56:50 +01:00
Alex Beregszaszi
e39433198d Remove the usage of boost::noncopyable 
Prior to this half of the codebase used explicit deleted copy constructors, the others used boost::noncopyable.
 2021-04-23 14:57:01 +01:00
Harikrishnan Mulackal
f162c484ca
Merge pull request #11026 from ethereum/resolve-keccak 
Evaluate ``keccak256(a, const)``, when the value at memory location ``a`` is known at compile time and ``const <= 32``
 2021-04-22 19:18:19 +02:00
hrkrshnn
b599235b8d Skip resolving Keccak if AST contains msize. 
Also a refactoring changing `m_optimizeMLoad` to `m_containsMSize`.
 2021-04-22 18:19:47 +02:00
hrkrshnn
3bc4f5708a Evaluate keccak(a, const) if value at memory location a is known 
Here the value of constant can be at most 32.
 2021-04-22 18:19:47 +02:00
hrkrshnn
1f5b874eaf Optimizer context has parameter expectedExecutionsPerDeployment 2021-04-22 17:27:57 +02:00
chriseth
a6a3af58a0 Add test. 2021-04-22 17:23:56 +02:00
chriseth
00fb2d390b Do not replace zeros by return variable. 2021-04-22 16:54:02 +02:00
chriseth
35b651103d Adjust cost of literal zero. 2021-04-22 11:42:42 +02:00
Daniel Kirchner
afae46dcb5 Add ScopedSaveAndRestore helper. 2021-04-16 10:56:56 +02:00
anurag4u80
bbcdddeed9 Replaced keys, values and reverse with ranges 2021-03-31 23:33:04 +05:30
hrkrshnn
0100f48e05 FunctionSpecializer: skip specializing recursive functions 
This avoids potential pathological behaviour, like in Ackermann function.
 2021-03-29 11:02:31 +02:00
hrkrshnn
45a3747701 Added FunctionSpecializer to the optimization suite 2021-03-29 11:02:18 +02:00
hrkrshnn
22ebdc7438 Implemented FunctionSpecializer 
Optimiser step that specializes the function with its literal arguments.
 2021-03-29 11:02:18 +02:00
hrkrshnn
8564d08228 Added a helper class FunctionCopier in ASTCopier 
Helper class that creates a copy of the function definition, replacing the names of the variable
declaration with a new name.
 2021-03-29 11:02:18 +02:00
hrkrshnn
b42fc2015c NameCollecter can now only collect VariableDeclarations 
This is done to help with the optimizer step FunctionSpecializer
 2021-03-25 11:49:16 +01:00
chriseth
fc0e571a07 Refined cleanup. 2021-02-16 14:20:27 +01:00
Daniel Kirchner
f34d7120a2 Add and use mapTuple helper. 2021-01-13 17:23:27 +01:00
Daniel Kirchner
91cdb606a5 Some style review suggestions. 2021-01-13 12:43:38 +01:00
Daniel Kirchner
4505889481 Replace ranges::all_of wrapper by range-v3. 2021-01-12 21:44:42 +01:00
Daniel Kirchner
75bed10be5 Check for scopes in LoadResolver. 2021-01-12 21:41:51 +01:00
Daniel Kirchner
eb035147d2 Rephrase erasure condition in DataFlowAnalyzer. 2021-01-12 21:40:52 +01:00
Daniel Kirchner
3ed55613ba Add and use cxx20::ranges::all_of. 2021-01-12 21:40:52 +01:00
Daniel Kirchner
970e8064bb Clear variables, but not backreferences in popScope. 2021-01-12 21:40:52 +01:00
Daniel Kirchner
7fe03cbab0 Implement cxx20 polyfill and replace InvertibleMap entirely. 2021-01-12 21:40:40 +01:00
Daniel Kirchner
625d402dbb Various optimizations for the DataFlowAnalyzer. 2021-01-12 21:39:20 +01:00
Leonardo Alt
ced79497f5 Fix BFS 2021-01-06 10:17:17 +01:00
Alex Beregszaszi
0425936c8a Rename AsmScope* to Scope* 2020-12-18 11:55:17 +00:00
chriseth
561280a5cc Merge remote-tracking branch 'origin/develop' into breaking 2020-12-14 11:33:40 +01:00
Alex Beregszaszi
bd641a5206 Enable more C++ compiler warnings 2020-12-10 21:03:58 +00:00
Alex Beregszaszi
7df986539f Disallow using reserved identifiers in NameDispenser/VarNameCleaner 2020-12-10 17:10:38 +01:00
hrkrshnn
06d719e4f1 Move filter to CommonData.h 2020-12-09 11:13:27 +01:00
hrkrshnn
7ea96c5583 Move the implementation of createLinkingFunction into a cpp file 2020-12-09 11:13:27 +01:00
Daniel Kirchner
6c70208d5f
Merge pull request #10359 from ethereum/extra-semi 
Enable the -Wextra-semi warning
 2020-12-07 14:35:30 +01:00
chriseth
5e61f2a8cb
Merge pull request #10491 from ethereum/loadStoreDialectFunctions 
Add storage load/store functions to Yul dialect.
 2020-12-07 12:19:20 +01:00
Alex Beregszaszi
1e2bfbd6b2 Enable the -Wextra-semi warning 2020-12-04 17:21:19 +01:00
Daniel Kirchner
96a50b52e2 Add storage load/store functions to Yul dialect. 2020-12-03 19:10:05 +01:00
chriseth
27e44b85e3
Merge pull request #10419 from ethereum/bug-namesimplifier 
Fix a bug in NameSimplifier.
 2020-12-03 17:52:40 +01:00
hrkrshnn
3efac3eef0 NameSimplifier is removed from steps available to users. 2020-12-02 13:48:01 +01:00
hrkrshnn
5a15a4a6bd Fix a bug in NameSimplifier. 
A new name created by NameSimplifier could also be created by NameDispenser, since the knowledge of
the new name was not stored in NameSimplifier.
 2020-12-02 13:48:01 +01:00
chriseth
8279d90ba2
Merge pull request #10403 from ethereum/rename-asmdata 
Rename AsmData* to AST*
 2020-12-01 14:33:11 +01:00
hrkrshnn
cf6fe5a777 NameDispenser: Added three public functions. 
The private function `illegalName` was converted into a public function.

A new public getter function `usedNames()` returns a reference to `m_usedNames`.

A public function reset that would change all `m_usedNames` to *only* the names that are used in the
AST. Also resets the counter. This will be used before the final NameSimplifier step in the
optimization phase.

The first two functions were added so that `NameSimplifier` could use it instead of traversing the AST
using `NameCollector` to find used names.
 2020-11-30 14:02:57 +01:00
chriseth
a5a560e163
Merge pull request #10417 from ethereum/onlyClearForAssignment 
DataFlowAnalyzer: Only clear known values for assignment.
 2020-11-30 12:02:28 +01:00
chriseth
45307a24d6
Merge pull request #10416 from ethereum/speedUpByMovingAssertion 
Superspeed.
 2020-11-30 11:35:20 +01:00
chriseth
21c35924df Only clear for assignment. 2020-11-26 18:32:13 +01:00
chriseth
111eaa1e9b Superspeed. 2020-11-26 17:38:01 +01:00
chriseth
ac9b31d623 Abort early if the optimizer sequence is empty. 2020-11-26 16:41:20 +01:00
Alex Beregszaszi
a22077f736 Rename AsmData -> AST 
Also attempt to only include ASTForward where appropriate.
 2020-11-25 17:58:02 +00:00
chriseth
b18d5ab257 Fix move bug. 2020-10-28 17:21:08 +01:00
Daniel Kirchner
61a03036fe Refactor stack to memory mover in preparation of moving function arguments. 2020-10-13 12:20:04 +02:00
chriseth
d513e05ce9
Merge pull request #9961 from ethereum/stackLimitEvaderRefactor2 
StackToMemoryMover: encapsulate memory offset tracking into its own class.
 2020-10-08 19:56:44 +02:00
chriseth
70ebc0a13c
Merge pull request #9960 from ethereum/stackLimitEvaderRefactor 
StackLimitEvader: Track unreachable variables globally instead of per function.
 2020-10-08 19:01:26 +02:00
Daniel Kirchner
5442a7ade2 Always run the FunctionHoister as part of the optimizer Suite. 2020-10-06 22:30:37 +02:00
Daniel Kirchner
c8a7098f2f StackToMemoryMover: encapsulate memory offset tracking into its own class. 2020-10-06 11:10:43 +02:00
Daniel Kirchner
0b87849bcb Track unreachable variables globally instead of per function. 2020-10-06 10:38:26 +02:00
Daniel Kirchner
f3c2d6cfdc Move memory load and store functions to the dialect. 2020-09-17 22:13:27 +02:00
Daniel Kirchner
48f620fb50 Reverse the order of the memory offsets assigned to variables. 2020-09-17 22:13:27 +02:00
Daniel Kirchner
976abf4715 Easy review fixes. 2020-09-17 22:13:27 +02:00
Daniel Kirchner
f4b42d1c72 Add stack limit evader. 2020-09-17 22:13:27 +02:00
chriseth
6e2d2feb10 Small fixes wrt ReasoningBasedSimplifier. 2020-09-16 18:08:54 +02:00
chriseth
bfd3ab23e2 Disallow optimizer steps that require SMT if none is available. 2020-09-15 15:57:59 +02:00
chriseth
9bcc2f1713 Make ReasoningBasedSimplifier available as step. 2020-09-15 15:57:59 +02:00
chriseth
f73fb726af Reasoning based optimizer. 2020-09-15 15:57:58 +02:00
chriseth
552a5f0913
Merge pull request #9314 from ethereum/inlineStartingFromLeaves 
Handle "leaf functions" first in full inliner.
 2020-09-14 20:22:48 +02:00
chriseth
8e39110a30 Remove flag. 2020-09-14 17:35:04 +02:00
chriseth
42c26e0bf5 Inline tiny functions first. 2020-09-10 17:01:20 +02:00
chriseth
f102feaf09 Handle "leaf functions" first in full inliner. 2020-09-10 17:01:19 +02:00
chriseth
6101bdf7e2 Name simplifier. 2020-09-10 16:23:29 +02:00
Harikrishnan Mulackal
d166c2540a Fix typo block 2020-09-07 17:24:03 +02:00
Harikrishnan Mulackal
e2fd41f097 Implemented UnusedFunctionArgumentPruner 2020-09-03 13:15:38 +02:00
Alex Beregszaszi
2426616859 Disallow language keywords to be used as identifiers by NameDispenser and VarNameCleaner 
Also introduce isRestrictedIdentifier helper in OptimizerUtilities
 2020-08-31 12:52:17 +01:00
chriseth
e72afcba47 Fix inlining order to correspond to source order. 2020-08-26 10:20:18 +02:00
Harikrishnan Mulackal
5c6e7f03b4 Extended LoopInvariantCodeMotion for storage and state 2020-08-19 12:41:29 +02:00
Harikrishnan Mulackal
3cbe65e4f3 Refactor SideEffects struct 2020-08-18 14:53:59 +02:00