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341 Commits

Author SHA1 Message Date
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