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2020-07-14Delete outdated scalastyle configuration comments from sourceAlbert Magyar
2020-07-14Remove scalastyle configs from repositoryAlbert Magyar
* Drop plugin * Drop make recipe
2020-07-14Fix parsing of info on multi-line registers (#1735)Jack Koenig
For multi-line registers, the parsed source locator is located in a different place in the concrete syntax tree than it is for other Statements. Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-13[spec] Specify execution order of side-effect-having statements (#1724)Albert Magyar
* Define 'same clock' in a syntactic sense Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-13Change ProtoBuf generated directory (#1762)Jack Koenig
Changed from target/<scala-version>/src_managed/main/firrtl/ to target/<scala-version>/src_managed/main/compiled_protobuf/firrtl/ The protobuf generation clears its target directory so it would clear the generated ANTLR-generated files.
2020-07-13add .bloop and .metals to .gitignore (#1761)Albert Chen
* add .bloop and .metals to .gitignore * add project/metals.sbt to .gitignore
2020-07-10Remove Left Over References to Gender in Code (#1752)Kevin Laeufer
* RemoveAccess: update gender to flow * ExpandWhens: update female to sink * RemoveCHIRRTL: female -> sink, male -> source
2020-07-09[spec] Explicitly disallow shadowing of component names (#1749)Albert Magyar
2020-07-08dedup: use structural sha256 hash instead of agnostify and serialize (#1731)Kevin Laeufer
* benchmark: add hot.DedupBenchmark * dedup: use structural md5 hash instead of agnostify and serialize * StructuralHash: generate PrimOp LUT * StructuralHash: change MessageDigestHasher to not be a case class * StructuralHash: we want Blocks and EmptyStmt to be ignored * StructuralHash: use SHA-256 instead of MD5 * StructuralHash: clarify extmodule port name agnistification * StructuralHash: hash the name of width vars instead of trying to agnostify This should be in line with the old Dedup behavior. The prior use of n(..) was incorrect since the namespace of these vars is different from the normal module scope namespace. * StructuralHash: address Schuyler's review comments Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-08ir: add faster serializer (#1694)Kevin Laeufer
This Serializer which is implemented external to the IR node definition uses a StringBuilder to achieve about a 1.7x performance improvement when serializing. Eventually, all implementations of the `serialize` methd should be replaced with a call to `Serializer.serialize`. However, for this PR we keep the old code in place in order to allow for easy regression testing with the benchmark JAR like this: > java -cp utils/bin/firrtl-benchmark.jar \ firrtl.benchmark.hot.SerializationBenchmark \ ~/benchmarks/medium.pb 2 5 test Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-07verification: emit mesage as Verilog comment (#1712)Kevin Laeufer
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-07-01Fix unchecked type in ManipulateNames (#1726)Schuyler Eldridge
Fix a bug where a type check would always yield true. This caused a bug where allow/block-list annotations would be incorrectly applied to all subtypes of ManipulateNames. The tests are updated to check that this now works. Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-26Enable ConvertAsserts in default Verilog compilerAlbert Magyar
2020-06-26Add test for ConvertAssertsAlbert Magyar
* Add testcase for empty message
2020-06-26Add ConvertAsserts transform to map asserts to Verilog-friendly nodesAlbert Magyar
* ConvertAsserts maps each assert into a gated print-and-stop * ConvertAsserts is an optional prereq of RemoveVerificationStatements * ConvertAsserts generates Low FIRRTL * Drop print for asserts that have an empty message * Fix scaladoc formatting from review Co-authored-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Batch renames in LowerTypes (#1718)Schuyler Eldridge
* Batch renames in LowerTypes Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com> * Add benchmarking for LowerTypes Add infrastructure of benchmarking Transforms (in addition to existing infra for Passes). Also run System.gc between each timed benchmark to improve stability. Co-authored-by: Jack Koenig <koenig@sifive.com> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-25Merge pull request #1638 from freechipsproject/manipulate-names-issues-refactorSchuyler Eldridge
Refactor ManipulateNames to use Target
2020-06-25Add --change-name-case <lower|upper> optionSchuyler Eldridge
Adds an options to the FIRRTL compiler command line to schedule the LowerCaseNames and UpperCaseNames transforms. Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Test both LowerCaseNames and UpperCaseNamesSchuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Add LetterCaseTransformsSchuyler Eldridge
This adds three new transforms: - (abstract) LetterCaseTransform parent of case manipulation - LowerCaseNames to lower case all names - UpperCaseNames to upper case all names Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Add a second instance to Verilog keyword testSchuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Test ManipulateNamesAllowlistResultAnnotationSchuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Test ManipulateNamesSpecSchuyler Eldridge
Add tests for the ManipulateNames transform. Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Add ManipulateNamesAllowlistResultAnnotationSchuyler Eldridge
Add a new annotation that stores the resulting name of an allowlist name to be manipulated. Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-25Refactor RemoveKeywordCollisions->ManipulateNamesSchuyler Eldridge
Rewrite of RemoveKeywordCollisions into a more generic ManipulateNames. The new ManipulateNames transform is abstract in a '(String, Namespace) => String' method that can be used for arbitrary manipulation of names in a circuit. The software architecture remains mostly the same (a rename map is used as the underlying data store). However, the new ManipulateNames used Target as opposed to Named. Add the ability for naming to be selectively enabled or disabled via: - ManipulateNamesAllowlistAnnotation - ManipulateNamesBlocklistAnnotation Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-24verification: clarify the meaning of verification statement in warning ↵Kevin Laeufer
message (#1717) Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-23Don't Dedup modules if it would change semantics (#1713)Jack Koenig
If a module has ports of type Bundle that are used in aggregate connections in parent modules, Dedup cannot change the names of the fields of the Bundle or it would change the semantics of the connection. Dedup now detects this case and refrains from agnostifying the ports of such modules to prevent this issue.
2020-06-23Basic model checking API (#1653)Tom Alcorn
* Add assume, assert, cover statements * Assert submodule assumptions * Add warning when removing verification statements * Remove System Verilog behaviour emitter warning * Add option to disable AssertSubmoduleAssumptions * Document verification statements in the spec The syntax for the new statements is assert(clk, cond, en, msg) assume(clk, cond, en, msg) cover(clk, cond, en, msg) With assert as a representative example, the semantics is as follows: `clk` is the clock, `cond` is the expression being asserted, `en` is the enable signal (if `en` is low then the assert is not checked) and `msg` is a string message intended to be reported as an error message by the model checker if the assertion fails. In the Verilog emitter, the new statements are handled by a new `formals` map, which groups the statements by clock domain. All model checking statements are then emitted within the context of an `ifdef FORMAL` block, which allows model checking tools (like Symbiyosys) to utilize the statements while keeping them out of synthesis flows. Co-authored-by: Albert Magyar <albert.magyar@gmail.com>
2020-06-23Add support for ValidIf to ProtoBuf [de]serializationJack Koenig
2020-06-22Merge pull request #1700 from freechipsproject/deprecate-PreservesAllSchuyler Eldridge
Deprecate PreservesAll Trait, Remove Usages
2020-06-22Convert PreservesAll to explicit invalidates=falseSchuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-22Deprecate PreservesAllSchuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-22Set prerequisite of -X high to MinimalHighForm (#1704)Schuyler Eldridge
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-22Support Memory Initialization for Simulation and FPGA Flows (#1645)Kevin Laeufer
* Support Memory Initialization for Simulation and FPGA Flows This adds a minimal annotation that allows users to influence if memories are randomly initialized, if all entries are initialized to the same scalar or if each entry should be initialized to a different value. We use the init block in order to initialize memories which is supported by verilator as well as yosys and has previously been used to randomize the initial memory contents. * LowerTypes: error when trying to split up a memory with MemoryInitAnnotation Currently the MemoryInitAnnotation only works for ground-type memories. We catch misuse of this annotation at the point of the firrtl compiler at which memories on non-ground type get split up, i.e., the LowerTypes transform. Chisel should try to prevent annotating non-ground type memories in the frontend, but it is nice to have an additional check. * MemoryInitSpec: test JSON deserialization * MemoryInitAnnotation: split up into three different annotations instead of exposing MemoryInitValue Co-authored-by: Albert Magyar <albert.magyar@gmail.com> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-22recore of Attributes (#1643)Jiuyang Liu
* Add attributes, ifdefs to emitter. * Make ifdef API a little cleaner. * Remove references to ifdefs. * Remove more of the ifdef stuff I missed * Fix up failing tests * Add multiple attribute test case * Remove tpe as a parameter from Annotations. Some general refactoring. * Add some documentation. * Incorporate some feedback * Expand some spaghetti code, add comments * Fix type signature by removing it * bug fix in test * Fix unchecked type parameter matches in AddDescriptionNodes. * use target to replace name Co-authored-by: Paul Rigge <rigge@berkeley.edu> Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-19RemoveIntervals: invalidate InferTypes and ResolveKinds (#1689)Albert Chen
2020-06-12delete usages of toSet for determinism (#1686)Albert Chen
* delete usages of toSet for determinism * add formatting suggestion from code review
2020-06-11Compiler: demote compile time to info instead of error (#1685)Kevin Laeufer
This message informs the user, it does not indicate a failure.
2020-06-10Build ArrayBuffers in Block.mapStmt (#1669)Jack Koenig
* Build ArrayBuffers in Block.mapStmt * Have empty Block serialize as "skip" The FIRRTL parser requires at least one indented line in each module. Sometimes tests emit and parse modules with no contents; this ensures there's always at least a "skip" in empty modules. Also fix tests that expected certain skips * Use var List as stack in Block.mapStmt impl This replaces Iterator concatenation. In Scala 2.11, RHS recursion on Iterators is not stack safe. This seems to have been fixed in 2.12 by Scala PR 5033. Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-10Merge pull request #1648 from freechipsproject/heap-boundJack Koenig
2020-06-09Add find_heap_bound.py script for finding minimum heap sizeJack Koenig
Co-authored-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-09Refactor benchmark_code_compile.py to have job running utilityJack Koenig
This provides a common Python interfaces for monitoring resource usage of subprocesses Co-authored-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-09Use Travis Workspaces (#1675)Jack Koenig
* Use Travis Workspaces Add stage to build FIRRTL and share it with later steps running the tests * [CI] Do not sbt clean in formal_equiv.sh This change takes advantage of shared workspace in Travis Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
2020-06-09Update Mergify to refer to travis-ci.com (#1672)Jack Koenig
2020-06-09Speed up ExpandWhens for very large designs (#1666)Jack Koenig
Use WrappedExpression instead of MemoizedHash. The benefit of memoizing the hash pales in comparison to the cost of hashing deeply nested Types in the AST. Co-authored-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
2020-06-04Add test case for retype-based component renaming in DedupModulesAlbert Magyar
2020-06-04Add unit test for Utils.expandRefAlbert Magyar
2020-06-04Make Utils.expandRef properly return intermediate expressionsAlbert Magyar
* Switch to more idiomatic flatMap for Utils.expandRef
2020-06-03Use recursive-then-iterative approach for check_width_eAlbert Magyar
* Avoid excessively deep recursion * Avoid overhead of DFS for shallow expression trees * Reduce work: skip expressions that cannot contain error-containing subtrees * Review feedback: added commentary to explain new check_widths_e structure
2020-06-03Generalize pattern of ResolveKindsBenchmarkAlbert Magyar
* Extend PassBenchmark to benchmark a particular Pass * Add license note to file
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