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432 Commits

Author SHA1 Message Date
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
Alex Beregszaszi
f6a57af809 Add LiteralKind to Dialect.literalArguments 
Co-authored-by: Daniel Kirchner <daniel@ekpyron.org>
 2020-08-05 11:37:00 +01:00
Alex Beregszaszi
d41fc31046 Do not use Parser::instructions() but depend on the dialect in NameDispenser and VarNameCleaner 2020-07-29 13:15:54 +01:00
Sachin Grover
b7adb2aa42 Add SPDX license identifier if not present already in source file 
Fixes: #9220
 2020-07-17 20:24:12 +05:30
Daniel Kirchner
99d831d7d1 Extract recursive function detection from Semantics into the CallGraph. 2020-07-15 20:30:52 +02:00
chriseth
711ed588d7 Require for loop init rewriter for SSA. 
Co-authored-by: Harikrishnan Mulackal <webmail.hari@gmail.com>
 2020-07-03 19:24:31 +02:00
chriseth
e0b1d8b9bd Make DataFlowAnalyzer aware of storage / memory slot after sload / mload. 2020-07-01 13:45:25 +02:00
Djordje Mijovic
33e7b24df0 Adding fixes for signedness conversion warnings in libyul 
Co-authored-by: Kamil Śliwak <kamil.sliwak@codepoets.it>
 2020-06-12 10:39:30 +02:00
TrentZ
7eb73b52a1 Rename blacklist for clarity. 2020-06-09 23:43:14 +02:00
chriseth
a06ac0f39f
Merge pull request #8958 from ethereum/evm-version-dependent-rules 
[yul] Add support for EVM version-dependent rules.
 2020-05-27 12:52:51 +02:00
Christian Parpart
b7fa5d5040 Mark EVM instruction pc() as deprecated when used in inline assembly. 2020-05-27 12:07:23 +02:00
Alexander Arlt
a7b89065ca [yul] Add support for EVM version-dependent rules. 2020-05-27 11:57:08 +02:00
Kamil Śliwak
d199fc537b Add configurable weights to CodeSize metric 2020-05-20 16:47:23 +02:00
Daniel Kirchner
c1ed5bbb0f Update Dockerfiles and CI scripts to Ubuntu 20.04 and simplify them. 2020-05-11 17:35:01 +02:00
chriseth
debee799dc
Merge pull request #8892 from ethereum/boost-cxx11 
Replace boost/algorithm/cxx11 with C++11 features
 2020-05-11 16:29:42 +02:00
Alex Beregszaszi
875415a132 Replace boost/algorithm/cxx11 with C++11 features 2020-05-11 14:27:54 +01:00
Kamil Śliwak
e8aec6de54 More information about --yul-optimizations option in READMEs and docs 2020-05-08 22:29:57 +02:00
chriseth
6fb112fa8e Remove some unneeded headers. 2020-05-07 01:49:46 +02:00
Kamil Śliwak
c41a832f65 Move the default optimisation steps from OptimiserSuite to OptimiserSettings 
- Now it's a mandatory parameter in OptimiserSuite::run()
 2020-04-24 17:30:56 +02:00
Kamil Śliwak
69b79f848b OptimiserSuite: Allow validating the optimisation sequence without executing it 
- Create a separate validateSequence() that can be used independently.
- Tweak the exception messages a bit to be usable as command-line errors
 2020-04-24 17:30:56 +02:00
Kamil Śliwak
e2c0e6331c OptimiserSuite: Define NonStepAbbreviations and use it for extra sanity checks 2020-04-24 17:30:56 +02:00
Kamil Śliwak
5a515240ac OptimiserSuite: Use brackets instead of parentheses as syntax for repeating abbreviation sequences 
- We want to start accepting abbreviation sequences on the command line and parentheses would always have to be escaped in that context.
- There wasn't any important reason behind choosing () rather than [] or {} and it still isn't too late to switch.
 2020-04-24 17:30:56 +02:00
Kamil Śliwak
9db7d2bde9 OptimiserSuite: Replace full step names in run() with abbreviations 2020-04-16 16:09:15 +02:00
Kamil Śliwak
9d7df5db69 OptimiserSuite: Add a variant of runSequence() that works with a string of abbreviations 2020-04-16 16:09:15 +02:00
Kamil Śliwak
1b4e06605d OptimiserSuite: Extract the code for repeating a sequence into runSequenceUntilStable() 
- Define a constant for the maximum number of repeats of the optimisation string
 2020-04-16 15:23:38 +02:00
Alexander Arlt
aac7a1e434 Apply modernize-pass-by-value. 2020-04-14 10:32:13 -05:00
Mathias Baumann
5203503583 Allow for per-parameter literalValues builtin functions 2020-04-08 16:41:38 +02:00
Alexander Arlt
cae6e7769f Apply modernize-use-override. 2020-04-02 18:00:44 -05:00
Djordje Mijovic
c891597204 Adding ssa type check and test for that one 2020-02-24 15:05:19 +01:00
Djordje Mijovic
2efda4129b Adding test for multi return values including bool in evmTyped dialect. Calling zeroLiteralForType from inliner 2020-02-24 15:05:19 +01:00
chriseth
a52305d3bd Use bool type in conditional simplifier and for loop condition into body. 2020-02-24 15:05:19 +01:00
Djordje Mijovic
a52c9af5b9 Adding vardecl optimization for boolean types 2020-02-24 15:05:19 +01:00
chriseth
e75cace78d Properly assign types in control flow simplifier. 2020-02-24 15:05:19 +01:00
chriseth
b9b36cd89e Properly assign types in ExpressionSplitter. 2020-02-24 15:05:19 +01:00
chriseth
915cb65106 Collect types together with names. 2020-02-24 15:05:19 +01:00
Jason Cobb
6db0d50094
Don't use identifiers starting with an underscore followed by an uppercase letter 2020-02-17 12:44:39 -05:00
chriseth
0e100e7e7e
Merge pull request #8267 from ghallak/prune-unnecessary-funcs 
[Yul] Prune functions that call each other but are otherwise unreferenced
 2020-02-12 11:09:27 +01:00
Gaith Hallak
24d6702986 [Yul] Prune functions that call each other but are otherwise unreferenced 2020-02-11 20:39:32 +03:00
Mathias Baumann
1a3998648c Run yul optimizer on user code without refs 2020-02-11 13:55:47 +01:00
cameel
4e7c1c7876 OptimiserSuite: Add two maps for converting between step names and abbreviations 
- Abbreviations match those used in yulopti.
- I considered using boost::bimap but I think it would be an overkill. Two simple maps are good enough in a situation where data is constant and there isn't much of it.
- I could also use InvertibleMap from libsolutil but I don't even need any of its methods since my map is a constant. I also don't need the inverted map to store sets because my values are unique.
- The reverseMap() is generic enough to be moved to some global file with utilities but I don't sure if it's going to actually be useful to others in practice.
 2020-02-03 12:22:47 +01:00
cameel
2ee7e6042b OptimiserSuite: Remove VarNameCleaner from the list of available steps 2020-01-30 17:35:27 +01:00
chriseth
b8488597da Combine value and loop depth. 2020-01-08 12:25:46 +01:00
chriseth
40c0602b5c Do not rematerialize in loops. 2020-01-08 09:56:08 +01:00
chriseth
25d3f27c11 Tune Rematerializer 2020-01-08 09:56:08 +01:00
Christian Parpart
345f9928ab Library libdevcore renamed to libsolutil. 2020-01-07 15:51:50 +01:00
Christian Parpart
6b23412fae C++ namespace cleanup (except tests). 2020-01-07 15:51:50 +01:00
chriseth
aab8b9bc36 Fix redundant assignment removal in combination with break / continue. 2019-12-29 15:53:47 +01:00
chriseth
b6fc703a27 Merge remote-tracking branch 'origin/release' into HEAD 2019-12-17 19:47:59 +01:00
chriseth
7b84e141dc Descend into for loops when determining call graph. 2019-12-17 13:47:51 +01:00
chriseth
42d9a8e962 Merge remote-tracking branch 'origin/develop' into develop_060 2019-12-04 17:01:44 +01:00
chriseth
bbeb093abf Detect loops in call graph generator. 2019-12-03 21:38:20 +01:00
chriseth
f7fc42d8c3
Merge pull request #7826 from ethereum/develop 
Merge develop into develop_060
 2019-11-28 13:37:19 +01:00
chriseth
301215f186
Merge pull request #7461 from sifmelcara/licm 
[YulOpt] Implement loop-invariant code motion
 2019-11-28 12:00:19 +01:00
mingchuan
db60d123d0 [YulOpt] Implement loop-invariant code motion 2019-11-28 11:59:29 +01:00
chriseth
1ebcc757e1 Merge remote-tracking branch 'origin/develop' into develop_060 2019-11-27 19:14:08 +01:00
chriseth
9e9b643b93 Tune the suite. 2019-11-27 11:56:11 +01:00
chriseth
b0db64ff5b Merge remote-tracking branch 'origin/develop' into develop_060 2019-11-26 16:19:35 +01:00
Leonardo Alt
2bfa3a7c97 Rewrite GenericVisitor 2019-11-26 15:55:06 +01:00
Leonardo Alt
72eff30778 Fix develop 060 merge 2019-11-20 13:49:40 +01:00
Leonardo Alt
389da5228e Merge remote-tracking branch 'origin/develop' into merge_develop_060 2019-11-20 12:27:40 +01:00
Leonardo Alt
be849b3c47 Replace boost::variant by std::variant in libyul 2019-11-19 17:23:18 +01:00
Erik K
94272d44aa
Merge pull request #7745 from ethereum/develop 
Merge develop into develop_060
 2019-11-19 15:30:31 +01:00
chriseth
e70ef0b820 Simplify patterns. 2019-11-15 00:34:01 +01:00
chriseth
2e5a42836c
Merge pull request #7681 from ethereum/develop 
Merge develop into develop_060
 2019-11-11 16:42:03 +01:00
Christian Parpart
f15d47f165 Yul: Remove obsoleted FunctionalInstruction. 2019-11-11 16:04:39 +01:00
chriseth
fa02667075 Generalize instructions. 2019-11-07 14:33:34 +01:00
chriseth
e275bb88f0 Fix windows build. 2019-11-06 02:06:19 +01:00
chriseth
46ac16d25c Merge remote-tracking branch 'origin/develop' into develop_060 2019-11-04 19:09:11 +01:00
Christian Parpart
cf82bc04d2 Fix compilation error on CI (due to "possibly uninitialized field member"). 2019-11-04 13:45:26 +01:00
chriseth
02d5b7c18a Run literal rematerializer before for loop condition out of body. 2019-11-01 14:01:56 +01:00
chriseth
1cc5a03e42 Fix bug in unsimplifier. 2019-11-01 14:01:56 +01:00
chriseth
61a2d44f38 Conditional unsimplifier 2019-11-01 14:01:56 +01:00
chriseth
19ccdfb0b3 No into body. 2019-11-01 14:01:56 +01:00
chriseth
5d6e983be3 Conditional simplifier. 2019-11-01 14:01:56 +01:00
Christian Parpart
112e63fe15 libyul: AST cleanup, eliminating dead Instruction AST type. 2019-11-01 12:32:25 +01:00
chriseth
f98925d8b6 Remove `leave` at end of function. 2019-10-29 14:32:16 +01:00
chriseth
ceb8ee9124 [Yul] leave statement. 2019-10-29 14:32:16 +01:00
chriseth
edf1e83fda Merge remote-tracking branch 'origin/develop' into develop_060 2019-10-28 15:21:49 +01:00
Christian Parpart
df729b3084 Make use of C++17 std::optional<> instead of boost::optional<>. 2019-10-28 11:39:30 +01:00
Christian Parpart
e23998fc6e Assembly: Remove Label instruction. 2019-10-25 15:01:25 +02:00
Christian Parpart
5e8d348f66 Assembly: Remove StackAssignment instruction. 2019-10-25 15:01:25 +02:00
chriseth
45705b0e29 Debug optimizer steps. 2019-10-16 14:06:18 +02:00
chriseth
9ce1ca2340 Refactor Optimiser Steps Interface. 2019-09-24 14:52:01 +02:00
mingchuan
520a3ccfff [YulOpt] declare SSA var when control flow joins 2019-09-17 13:22:02 +02:00
chriseth
7a79742f3d Out of body again. 2019-09-17 12:30:15 +02:00
chriseth
2d601a4f23
Merge pull request #7414 from ethereum/refactorSSA 
Refactor SSA transform.
 2019-09-13 17:55:39 +02:00
chriseth
20bada4c60 Refactor SSA transform. 2019-09-12 20:07:39 +02:00
Daniel Kirchner
f86c5da202 Fix SSA reverser in special case of declaration followed by self-assignment. 2019-09-12 18:17:13 +02:00