Add SV attribiutes emission supports to module, instance,
case, always, always_comb, always_ff ...

Adds a 'Attribute' python attribute which can be used to set (CIRCT)
attributes on modules. Use...

Some external modules (and modules which may instantiate our modules) expect multiple data ports...

Add the pattern mux(cond, 0, 1) -> ~cond
Fixes #4717

Add the `ConvertToArcs` conversion which collects the combinational
operations in a module body...

StructExplodeOp only needs the info from the value which it's exploding.
Add a builder for that.

Some low-level BSPs instantiate the top-level module with parameters. We
don't care about said ...

The workflow uses cibuildwheel to build the wheels, and uploads them
to GitHub. They're added t...

- Plumbing through signaling and adding it as an optional argument on Channel ports.
- Teach wr...

This is needed in order to run git describe --tag

Add an option to disallow the inlining of expressions into the index of
array get and slice ope...

Fixes #4651.

* Disable ZSTD so that MacOS binaries do not dynamically link against
libzstd
* Use install ...

Input FIFO0 channels produced `_ready` in the output ports during
lowering. Should have been `_r...

This is apparently used, continue to remove despite the annotation,
but issue warning.

Fixes two ASAN reported errors:
* erasing while iterating over uses
* don't use `.getDest()` o...

ExtractOp has a canonicalizer which uses computeKnownBits. This canonicalizer is very expensive...

This fixes a bug in the `EliminateCBranchIntoMuxPattern` canonicalization pattern where a `cond_...

Add the `Arc` dialect which is useful for capturing a canonical
representation of the state tra...

This commit propgates bin flags through icmp and varidic op canonicalizer.

* `icmp bin eq 1, ...

Teach ESI about FIFO signaling with a read enable latency of zero. Doesn't support buffering or ...

Hopefully this refactor will 1) be more robust and rely less on implicit rules and 2) be more am...

This pass replaces single-address memories with one register.
The write ports are ordered and i...

Ensure DontTouched ports have symbols on them to model "don't touch", consume the annotation.

...

This reverts commit ad55a2080167f8ea1b1e6593064b1aa9f212e2e4.

This reverts a revert which broke...

This reverts commit e31e7f2e77d300259555b89b980895eacb689261.

Adjusted the comment to indicate ...

Instead of listing all dialect libraries manually, query the list of
registered dialect librarie...

Without this we may end up generating conflicting symbols if other
conversion passes also declar...

This changes LowerAnnotations to make the module visility public. DUT interface is intended to b...

This implements canonicalizer to sink constant index to inner array create.

```
array_get c...

Signed-off-by: Schuyler Eldridge <[email protected]>

Fixes #4663.

Lowering `msft.instances` required the `__INST_HIER` parameter to exist,
so when lowering inside...

Implement a lowering which converts `esi.pure_module`s into `hw.module`s. Uses the `esi.pure_mod...

Modules which implement HWModuleLike can run service generators. We only
need the mutability to ...

Dumping the IR after every phase was wonky.

These ops are intended to be produced by service implementation generators to translate service ...

Re-implement the pass using an iterative Tarjan's SCC algorithm instead of the
current recursiv...

The PASSES field of System was replaced by PASS_PHASES some time ago.

Save users some keystrokes for a very common type -- a single bit.

Support both modes wherein external modules' signaling are bundled in SV interfaces and just app...

This changes LowerTypes to look up module visibilities. `module.isPublic()` cannot be called fro...

As per the [documentation in
HWOpInterfaces.td](https://github.com/llvm/circt/blob/a054073460650...

As part of this addition, I moved `ModulePortInfo` and all of its
dependent structs/enums to HWO...

In the past, ESI has only supported valid-ready signaling, so we didn't
need to encode the signa...

This analysis maps values back to their definitions (operations which produce a new value) and p...

Add a known and supported annotation to the LowerAnnotations Annotation
table. This was acciden...

Test that resolving using relative include directories works, and check behavior re:search order...

Fix case where port is named "" (_GEN), teach to grab name from instance.

Add test based on c...

Adds the '--exec' flag to tell this util to run the file instead of
parsing it and constructing...

Teach PyCDE about ESI pure modules.

A module containing only ESI channels and modules with only ESI ports. All non-local connectivit...

Change the way that BoringUtils-backing infrastructure creates wiring
problems to not suggest a ...

Block removal of read-only memories that are initialized via a file.
This is a common FPGA ROM p...

Size to largest size they might take since only a few more.

This PR extends HWLegalizeModules to support aggregate constants.
Also `signalPassFailure` is ...

Resolve legacy wiring annotations as WiringProblems.

Support Chisel BoringUtils.

Add an integration test of Chisel features for loading memories:

1. loadMemoryFromFile
2. l...

Add support to HWMemSimImpl for doing file-based memory initialization.
This comes in two flavor...

Signed-off-by: Schuyler Eldridge <[email protected]>

Add FIRRTL memory initialization via file support.

Signed-off-by: Schuyler Eldridge <schuyler.e...

Add Memory Initialization information to FIRRTL pipeline infrastructure.
This information is dro...

Add parsing of the two memory initialization annotations which implement
the Chisel loadMemoryFr...

Add a MemoryInitAttr to CHIRRTL memories (CombMemOp and SeqMemOp) to
record information about fi...

Add an optional attribute of type MemoryInitAttr to FIRRTL's MemOp in
order to capture external ...

Add, but do not use a dialect attribute, "MemoryInitAttr". This is a
single attribute that repr...

Adds a "BSP" for XRT which just sets up the infrastructure. Outputs the "build package" complete...

Often, we unconditionally print a space before printing optional attribute
dictionaries. Howeve...

With the recent change to how port location information is handled, the
upstream pass StripDebu...

This commit fixes bugs in spilling logic regarding expressions used in sensitivity list.

* Pr...

No longer implement the SubElementAttrInterface interface,
so this method is no longer useful.

Fixes #4542.

No folders to update, but explicitly move to new fold API.

This fixes an issue introduced by 92011d that an empty location is emitted
when a lowering optio...