Add missing LLVM license info to file headers (#352)

* add LLVM license info to files header

* Add LLVM license info to files header

* Add LLVM license info to files header

* Add LLVM license info to file headers

* Revert "Add LLVM license info to files header"

This reverts commit 22869676ad.

* Add LLVM license info to file headers

* run git-clang-format

* add missing file descriptions

* run git clang-format

* Add LLVM license info to file headers

* Add LLVM license info to files header

include/circt-c/RTLDialect.h

@@ -1,5 +1,11 @@
 //===-- circt-c/RTLDialect.h - C API for RTL dialect --------------*- C -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This header declares the C interface for registering and accessing the
 // RTL dialect. A dialect should be registered with a context to make it
 // available to users of the context. These users must load the dialect

include/circt/Conversion/FIRRTLToLLHD/FIRRTLToLLHD.h

@@ -1,5 +1,11 @@
 //===- FIRRTLToLLHD.h - LLHD to LLVM pass entry point -----------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This header file defines prototypes that expose the FIRRTLToLLHD pass
 // constructors.
 //

include/circt/Conversion/FIRRTLToLLHD/Passes.td

@@ -1,5 +1,11 @@
 //===-- Passes.td - FIRRTL to LLHD pass definition file ----*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file contains definitions for the FIRRTL to LLHD conversion pass.
 //
 //===----------------------------------------------------------------------===//

include/circt/Conversion/HandshakeToFIRRTL/HandshakeToFIRRTL.h

@@ -1,10 +1,14 @@
 //===- HandshakeToFIRRTL.h --------------------------------------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares passes which together will lower the Handshake  dialect to
+// FIRRTL dialect.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef CIRCT_CONVERSION_HANDSHAKETOFIRRTL_H_
@@ -16,4 +20,4 @@ void registerHandshakeToFIRRTLPasses();
 } // namespace handshake
 } // namespace circt
 
-#endif // MLIR_CONVERSION_HANDSHAKETOFIRRTL_H_
+#endif // MLIR_CONVERSION_HANDSHAKETOFIRRTL_H_

include/circt/Conversion/LLHDToLLVM/LLHDToLLVM.h

@@ -1,5 +1,11 @@
 //===- LLHDToLLVM.h - LLHD to LLVM pass entry point -------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This header file defines prototypes that expose the LLHDToLLVM pass
 // constructors.
 //

include/circt/Conversion/LLHDToLLVM/Passes.td

@@ -1,5 +1,11 @@
 //===-- Passes.td - LLHD to LLVM pass definition file ------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file contains definitions for the LLHD to LLVM conversion pass.
 //
 //===----------------------------------------------------------------------===//

include/circt/Conversion/StandardToHandshake/StandardToHandshake.h

@@ -1,11 +1,15 @@
 //===- StandardToHandshake.h ------------------------------------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-// =============================================================================
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares passes which together will lower the Standard dialect to
+// Handshake dialect.
+//
+//===----------------------------------------------------------------------===//
 
 #ifndef CIRCT_CONVERSION_STANDARDTOHANDSHAKE_H_
 #define CIRCT_CONVERSION_STANDARDTOHANDSHAKE_H_

include/circt/Conversion/StandardToStaticLogic/StandardToStaticLogic.h

@@ -1,10 +1,14 @@
 //===- StandardToStaticLogic.h ----------------------------------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares passes which together will lower the Standard dialect to
+// StaticLogic dialect.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef CIRCT_CONVERSION_STANDARDTOSTATICLOGIC_H_

include/circt/Dialect/ESI/ESI.td

@@ -1,10 +1,16 @@
 //===- ESI.td - ESI dialect top level tblgen ---------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Top level tablegen file for the ESI dialect
 //
 //===----------------------------------------------------------------------===//
 
-
 #ifndef ESI_TD
 #define ESI_TD
 

include/circt/Dialect/ESI/ESIDialect.h

@@ -1,5 +1,11 @@
 //===- ESIDialect.h - ESI dialect Dialect class -----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // The Elastic Silicon Interconnect (ESI) dialect
 //
 // ESI is a system interconnect generator. It is type safe and

include/circt/Dialect/ESI/ESIOps.h

@@ -1,5 +1,11 @@
 //===- ESIOps.h - ESI operations --------------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // ESI Ops are defined in tablegen.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/ESI/ESIOps.td

@@ -1,5 +1,11 @@
 //===- ESIOps.td - ESI dialect operation definitions --------- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is where any operations for the ESI dialect live.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/ESI/ESIPasses.td

@@ -1,5 +1,12 @@
 //===-- ESIPasses.td - ESI pass definition file ------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file contains definitions for passes that work on the ESI dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/ESI/ESIPorts.td

@@ -1,5 +1,12 @@
 //===- ESIPorts.td - ESI port specifications ---------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // ESI ports are the primary mechanism on which the ESI dialect operates. These
 // types wrap other types to specify the port as an ESI port. They represent
 // ESI communication flows of various kinds. At first, ESI will only support

include/circt/Dialect/ESI/ESITypes.h

@@ -1,5 +1,12 @@
 //===- ESITypes.h - types for the ESI dialect -------------------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Types for ESI are mostly in tablegen. This file should contain C++ types used
 // in MLIR type parameters and other supporting declarations.
 //

include/circt/Dialect/ESI/cosim/CosimDpi.capnp

@@ -1,5 +1,11 @@
 ##===- CosimDpi.capnp - ESI cosim RPC schema ------------------*- CAPNP -*-===//
 ##
+## Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+## See https://llvm.org/LICENSE.txt for license information.
+## SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+##
+##===----------------------------------------------------------------------===//
+##
 ## The ESI cosimulation RPC Cap'nProto schema. Documentation is in
 ## docs/ESI/cosim.md. TL;DR: Run the simulation, then connect to its RPC server
 ## with a client generated by the Cap'nProto implementation for your language of

include/circt/Dialect/ESI/cosim/Cosim_DpiPkg.sv

@@ -1,5 +1,11 @@
 //===- Cosim_DpiPkg.sv - ESI cosim DPI declarations ---------*- verilog -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// 
 // Package: Cosim_DpiPkg
 //
 // DPI-exposed funcs for cosimserver cosimulation unit-test.

include/circt/Dialect/ESI/cosim/Cosim_Endpoint.sv

@@ -1,5 +1,11 @@
 //===- Cosim_Endpoint.sv - ESI cosim primary RTL module -----*- verilog -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Package: Cosim_DpiPkg
 //
 // Main cosim <--> dpi bridge module.

include/circt/Dialect/ESI/cosim/Endpoint.h

@@ -1,5 +1,11 @@
 //===- Endpoint.h - Cosim endpoint server -----------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Declare the class which is used to model DPI endpoints.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/ESI/cosim/Server.h

@@ -1,5 +1,11 @@
 //===- Server.h - ESI cosim RPC servers -------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Various classes used to implement the RPC server classes generated by
 // CapnProto. Capnp C++ RPC servers are based on 'libkj' and its asynchrony
 // model, which is very foreign. This is what the 'kj' namespace is along with

include/circt/Dialect/ESI/cosim/dpi.h

@@ -1,5 +1,11 @@
 //===- dpi.h - DPI function C++ declarations --------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Originally generated from 'Cosim_DpiPkg.sv' by an RTL simulator. All these
 // functions are called from RTL. Some of the funky types are produced by the
 // RTL simulators when it did the conversion.

include/circt/Dialect/FIRRTL/Dialect.h

@@ -1,5 +1,12 @@
 //===- FIRRTL/IR/Dialect.h - FIRRTL dialect declaration ---------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines an MLIR dialect for the FIRRTL IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/FIRParser.h

@@ -1,5 +1,12 @@
 //===- FIRParser.h - .fir to FIRRTL dialect parser --------------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Defines the interface to the .fir file parser.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/FIRRTL.td

@@ -1,5 +1,12 @@
 //===- FIRRTL.td - FIRRTL dialect definition ---------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the top level file for the FIRRTL dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/OpDeclarations.td

@@ -1,5 +1,12 @@
 //===- OpDeclarations.td - FIRRTL declaration ops ----------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for FIRRTL declarations.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/OpExpressions.td

@@ -1,5 +1,12 @@
 //===- OpExpressions.td - FIRRTL expression ops ------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for FIRRTL expressions.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/OpStatements.td

@@ -1,5 +1,12 @@
 //===- OpStatements.td - FIRRTL statement ops --------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for FIRRTL statements.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/OpStructure.td

@@ -1,5 +1,12 @@
 //===- OpStructure.td - Circuit and Module Definitions -----*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the FIRRTL Circuit and Module MLIR ops.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/Ops.h

@@ -1,5 +1,12 @@
 //===- FIRRTL/Ops.h - Declare FIRRTL dialect operations ---------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares the operation class for the FIRRTL IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/Passes.td

@@ -1,5 +1,12 @@
 //===-- Passes.td - FIRRTL pass definition file ------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file contains definitions for passes that work on the FIRRTL dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/Types.h

@@ -1,5 +1,12 @@
 //===- FIRRTL/IR/Types.h - FIRRTL Type System -------------------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines type type system for the FIRRTL Dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/Types.td

@@ -1,5 +1,12 @@
 //===- Types.td - FIRRTL Types Definition ------------------*- tablegen -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the FIRRTL types.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/FIRRTL/Visitors.h

@@ -1,5 +1,12 @@
 //===- FIRRTL/Visitors.h - FIRRTL Dialect Visitors --------------*- C++ -*-===//
 //
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines visitors that make it easier to work with FIRRTL IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/Handshake/HandshakeInterfaces.td

@@ -1,12 +1,12 @@
 //===- HandshakeInterfaces.td - Handshake interfaces -------*- tablegen -*-===//
 //
-// Copyright 2019 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-// =============================================================================
 //
+//===----------------------------------------------------------------------===//
+//
+// This is the definition file for the structured interface for Handshake ops.
 //
 //===----------------------------------------------------------------------===//
 

include/circt/Dialect/Handshake/HandshakeOps.h

@@ -1,12 +1,10 @@
-//===- Ops.h - Handshake MLIR Operations -----------------------------*- C++
-//-*-===//
-//
-// Copyright 2019 The CIRCT Authors.
+//===- Ops.h - Handshake MLIR Operations ------------------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-// =============================================================================
+//
+//===----------------------------------------------------------------------===//
 //
 // This file defines convenience types for working with handshake operations.
 //

include/circt/Dialect/Handshake/HandshakeOps.td

@@ -1,13 +1,12 @@
-//===- Ops.td - Handshake operation definitions ---------------*- tablegen
-//-*-===//
-//
-// Copyright 2019 The CIRCT Authors.
+//===- Ops.td - Handshake operation definitions ------------*- tablegen -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-// =============================================================================
 //
+//============================================================================//
+//
+// This file define Handshake ops in tablegen.
 //
 //===----------------------------------------------------------------------===//
 

include/circt/Dialect/Handshake/Visitor.h

@@ -1,10 +1,13 @@
 //===- Handshake/Visitors.h - Handshake Dialect Visitors --------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines visitors that make it easier to work with Handshake IR.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef CIRCT_DIALECT_HANDSHAKE_VISITORS_H

include/circt/Dialect/LLHD/IR/ArithmeticOps.td

@@ -1,5 +1,11 @@
 //===- ArithmeticOps.td - LLHD arithmetic operations -------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the additional arithmetic MLIR ops for LLHD.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/BitwiseOps.td

@@ -1,5 +1,11 @@
 //===- BitwiseOps.td - LLHD bitwise operations -------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the bitwise MLIR ops for LLHD.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/ExtractOps.td

@@ -1,5 +1,11 @@
 //===- ExtractOps.td - LLHD extract operations -------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for field and slice extractions.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/InsertOps.td

@@ -1,5 +1,11 @@
 //===- InsertOps.td - LLHD insert operations ---------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for field and slice insertions.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/LLHD.td

@@ -1,5 +1,11 @@
 //===- LLHD.td - LLHD dialect definition -------------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the top level file for the LLHD dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/LLHDCanonicalization.td

@@ -1,5 +1,11 @@
 //===- LLHDCanonicalization.td - LLHD canonicalization -----*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines LLHD canonicalization patterns.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/LLHDDialect.h

@@ -1,5 +1,11 @@
 //===- LLHDDialect.h - Declare LLHD dialect operations ----------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares an MLIR dialect for the LLHD IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/LLHDOps.h

@@ -1,5 +1,11 @@
 //===- LLHDOps.h - Declare LLHD dialect operations --------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares the operation class for the LLHD IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/MemoryOps.td

@@ -1,5 +1,11 @@
 //===- MemoryOps.td - LLHD memory operations ---------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for LLHD memory allocation and access.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/SignalOps.td

@@ -1,5 +1,11 @@
 //===- SignalOps.td - LLHD signal operations ---------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for LLHD signal creation and manipulation.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/StructureOps.td

@@ -1,5 +1,11 @@
 //===- StructureOps.td - Process and Entity definitions ----*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the LLHD Process, Entity and control flow MLIR ops.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/IR/ValueOps.td

@@ -1,5 +1,11 @@
 //===- ValueOps.td - LLHD value operations -----------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for LLHD value creation.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/Simulator/Engine.h

@@ -1,5 +1,11 @@
 //===- Engine.h - LLHD simulaton engine -------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines the main Engine class of the LLHD simulator.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/Transforms/Passes.h

@@ -1,5 +1,11 @@
 //===- Passes.h - LLHD pass entry points ------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This header file defines prototypes that expose pass constructors.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/Transforms/Passes.td

@@ -1,5 +1,11 @@
 //===-- Passes.td - LLHD pass definition file --------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file contains definitions for passes that work on the LLHD dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/LLHD/Translation/TranslateToVerilog.h

@@ -1,5 +1,11 @@
 //===- TranslateToVerilog.h - Verilog Printer -------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Defines the interface to the LLHD to Verilog Printer.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Combinatorial.td

@@ -1,5 +1,11 @@
 //===- Combinatorial.td - RTL combinatorial logic ops ------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for combinatorial logic.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Dialect.h

@@ -1,5 +1,11 @@
 //===- RTL/IR/Dialect.h - RTL dialect declaration ---------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines an RTL MLIR dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Ops.h

@@ -1,5 +1,11 @@
 //===- RTL/Ops.h - Declare RTL dialect operations ---------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares the operation classes for the RTL dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/RTL.td

@@ -1,5 +1,11 @@
 //===- RTL.td - RTL dialect definition ---------------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the top level file for the RTL dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Statements.td

@@ -1,5 +1,11 @@
 //===- Statements.td - RTL statements ops ------------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the MLIR ops for statements.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Structure.td

@@ -1,3 +1,15 @@
+//===- Structure.td - RTL structure ops ------------------*- tablegen -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This describes the MLIR ops for structure.
+//
+//===----------------------------------------------------------------------===//
+
 def RTLModuleOp : RTLOp<"module",
       [IsolatedFromAbove, FunctionLike, Symbol, RegionKindInterface,
        SingleBlockImplicitTerminator<"OutputOp">, HasParent<"mlir::ModuleOp">]>{

include/circt/Dialect/RTL/Types.h

@@ -1,5 +1,11 @@
 //===- Types.h - types for the RTL dialect ----------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Types for the RTL dialect are mostly in tablegen. This file should contain
 // C++ types used in MLIR type parameters.
 //

include/circt/Dialect/RTL/Types.td

@@ -1,5 +1,11 @@
 //===- Types.td - RTL data type definitions ----------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Basic data types for the RTL dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/RTL/Visitors.h

@@ -1,5 +1,11 @@
 //===- RTL/Visitors.h - RTL Dialect Visitors --------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines visitors that make it easier to work with RTL IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Dialect.h

@@ -1,5 +1,11 @@
 //===- SV/IR/Dialect.h - SV dialect declaration -----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines an SV MLIR dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Expressions.td

@@ -1,5 +1,11 @@
 //===- Expressions.td - SV expression ops ------------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the ops for SystemVerilog expressions.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Ops.h

@@ -1,5 +1,11 @@
 //===- SV/Ops.h - Declare SV dialect operations -----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares the operation classes for the SV dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/SV.td

@@ -1,5 +1,11 @@
 //===- SV.td - SystemVerilog dialect definition ------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the top level file for the SV dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Statements.td

@@ -1,5 +1,11 @@
 //===- Statements.td - SV statements ops -------------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the ops for System Verilog statements.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/TypeDecl.td

@@ -1,5 +1,11 @@
 //===- TypeDecl.td - SV type declaration ops ---------------*- tablegen -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This describes the ops for SystemVerilog type declartions.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Types.h

@@ -1,5 +1,11 @@
 //===- SV/Types.h - Declare SV dialect types --------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file declares the types for the SV dialect.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/SV/Visitors.h

@@ -1,5 +1,11 @@
 //===- SV/Visitors.h - SV Dialect Visitors ----------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file defines visitors that make it easier to work with SV IR.
 //
 //===----------------------------------------------------------------------===//

include/circt/Dialect/StaticLogic/StaticLogic.h

@@ -1,10 +1,13 @@
 //===- StaticLogic.h - StaticLogic Definitions ------------------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines an StaticLogic MLIR dialect.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef CIRCT_STATICLOGIC_OPS_H_

include/circt/Dialect/StaticLogic/StaticLogic.td

@@ -1,10 +1,13 @@
 //===- StaticLogic.td - StaticLogic Definitions ------------*- tablegen -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// StaticLogic Ops are defined in tablegen.
+//
 //===----------------------------------------------------------------------===//
 
 #ifdef STATICLOGIC_OPS

include/circt/Support/BackedgeBuilder.h

@@ -1,5 +1,11 @@
 //===- BackedgeBuilder.h - Support for building backedges -------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Backedges are operations/values which have to exist as operands before
 // they are produced in a result. Since it isn't clear how to build backedges
 // in MLIR, these helper classes set up a canonical way to do so.

include/circt/Support/ImplicitLocOpBuilder.h

@@ -1,5 +1,11 @@
 //===- ImplicitLocOpBuilder.h - Convenience OpBuilder -----------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Helper class to create ops with a modally set location.
 //
 //===----------------------------------------------------------------------===//

include/circt/Support/LLVM.h

@@ -1,5 +1,11 @@
 //===- LLVM.h - Import and forward declare core LLVM types ------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file forward declares and imports various common LLVM and MLIR datatypes
 // that we want to use unqualified.
 //

include/external/dpi/svdpi.h

@@ -1,14 +1,18 @@
-/* -*- C -*-
- *
- * svdpi.h
- *
- * SystemVerilog Direct Programming Interface (DPI).
- *
- * This file contains the constant definitions, structure definitions,
- * and routine declarations used by SystemVerilog DPI.
- *
- * This file is from the SystemVerilog IEEE 1800-2017 Annex I.
- */
+/*===-- dpi/svdpi.h - SystemVerilog Direct Programming Interface --*- C -*-===*\
+|*                                                                            *|
+|* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
+|* Exceptions.                                                                *|
+|* See https://llvm.org/LICENSE.txt for license information.                  *|
+|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file contains the constant definitions, structure definitions,        *|
+|* and routine declarations used by SystemVerilog DPI.                        *|
+|*                                                                            *|
+|* This file is from the SystemVerilog IEEE 1800-2017 Annex I.                *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
 
 #ifndef EXTERNAL_DPI_SVDPI_H
 #define EXTERNAL_DPI_SVDPI_H

lib/CAPI/RTL/RTLDialect.cpp

@@ -1,5 +1,11 @@
 //===- RTLDialect.cpp - C Interface for the RTL Dialect -------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 //  Implements a C Interface for the RTL Dialect
 //
 //===----------------------------------------------------------------------===//

lib/Conversion/FIRRTLToLLHD/FIRRTLToLLHD.cpp

@@ -1,5 +1,11 @@
 //===- FIRRTLToLLHD.cpp - FIRRTL to LLHD Conversion Pass ------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the main FIRRTL to LLHD Conversion Pass Implementation.
 //
 //===----------------------------------------------------------------------===//

lib/Conversion/FIRRTLToRTL/LowerToRTL.cpp

@@ -1,4 +1,12 @@
-//===- LowerToRTL.cpp - Lower FIRRTL -> RTL dialect -----------------------===//
+//===- LowerToRTL.cpp - FIRRTL to RTL Lowering Pass -----------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This is the main FIRRTL to RTL Lowering Pass Implementation.
 //
 //===----------------------------------------------------------------------===//
 

lib/Conversion/HandshakeToFIRRTL/HandshakeToFIRRTL.cpp

@@ -1,10 +1,13 @@
 //===- HandshakeToFIRRTL.cpp - Translate Handshake into FIRRTL ------------===//
 //
-// Copyright 2019 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+//===----------------------------------------------------------------------===//
+//
+// This is the main Handshake to FIRRTL Conversion Pass Implementation.
+//
 //===----------------------------------------------------------------------===//
 
 #include "circt/Conversion/HandshakeToFIRRTL/HandshakeToFIRRTL.h"

lib/Conversion/LLHDToLLVM/LLHDToLLVM.cpp

@@ -1,5 +1,11 @@
 //===- LLHDToLLVM.cpp - LLHD to LLVM Conversion Pass ----------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is the main LLHD to LLVM Conversion Pass Implementation.
 //
 //===----------------------------------------------------------------------===//

lib/Conversion/StandardToHandshake/StandardToHandshake.cpp

@@ -1,11 +1,13 @@
 //===- StandardToHandshake.cpp - Convert standard MLIR into dataflow IR ---===//
 //
-// Copyright 2019 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-// =============================================================================
+//===----------------------------------------------------------------------===//
+//
+// This is the main Standard to Handshake Conversion Pass Implementation.
+//
+//===----------------------------------------------------------------------===//
 
 #include "circt/Conversion/StandardToHandshake/StandardToHandshake.h"
 #include "circt/Dialect/Handshake/HandshakeOps.h"

lib/Conversion/StandardToStaticLogic/StandardToStaticLogic.cpp

@@ -1,10 +1,13 @@
 //===- Ops.h - StaticLogic MLIR Operations ----------------------*- C++ -*-===//
 //
-// Copyright 2020 The CIRCT Authors.
-//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This is the main Standard to StaticLogic Conversion Pass Implementation.
+//
 //===----------------------------------------------------------------------===//
 
 #include "circt/Conversion/StandardToStaticLogic/StandardToStaticLogic.h"

lib/Dialect/ESI/ESIDialect.cpp

@@ -1,5 +1,11 @@
 //===- ESIDialect.cpp - ESI dialect code defs -------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Dialect definitions. Should be relatively standard boilerplate.
 //
 //===----------------------------------------------------------------------===//

lib/Dialect/ESI/ESIOps.cpp

@@ -1,5 +1,11 @@
 //===- ESIOps.cpp - ESI op code defs ----------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This is where op definitions live.
 //
 //===----------------------------------------------------------------------===//

lib/Dialect/ESI/ESIPasses.cpp

@@ -1,5 +1,11 @@
 //===- ESIToRTL.cpp - ESI to RTL/SV conversion passes -----------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Lower ESI to RTL and SV.
 //
 //===----------------------------------------------------------------------===//

lib/Dialect/ESI/ESITypes.cpp

@@ -1,5 +1,11 @@
 //===- ESITypes.cpp - ESI types code defs -----------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Definitions for esi data types. Anything which doesn't have to be public
 // should go in here.
 //

lib/Dialect/ESI/cosim/MtiPliStub/DummySvDpi.cpp

@@ -1,5 +1,11 @@
 //===- DummySvDpi.cpp - Dummy stubs the svdpi.h -----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Dummy stubs for every function in svdpi.h. This produces an MtiPli.so for
 // linking a DPI library in the absence of a simulator. Should dynamicall link
 // with the MtiPli library supplied with the simulator at runtime. This shared

lib/Dialect/ESI/cosim/cosim_dpi_server/DpiEntryPoints.cpp

@@ -1,5 +1,11 @@
 //===- DpiEntryPoints.cpp - ESI cosim DPI calls -----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Cosim DPI function implementations. Mostly C-C++ gaskets to the C++
 // RpcServer.
 //

lib/Dialect/ESI/cosim/cosim_dpi_server/Endpoint.cpp

@@ -1,5 +1,11 @@
 //===- EndPoint.cpp - Definitions for EndPointRegistry ----------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Definitions for Cosim EndPoint and EndPointRegistry.
 //
 //===----------------------------------------------------------------------===//

lib/Dialect/ESI/cosim/cosim_dpi_server/Server.cpp

@@ -1,5 +1,11 @@
 //===- Server.cpp - Cosim RPC server ----------------------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Definitions for the RPC server class. Capnp C++ RPC servers are based on
 // 'libkj' and its asyncrony model plus the capnp C++ API, both of which feel
 // very foreign. In general, both RPC arguments and returns are passed as a C++

lib/Dialect/FIRRTL/Dialect.cpp

@@ -1,5 +1,13 @@
 //===- Dialect.cpp - Implement the FIRRTL dialect -------------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the FIRRTL dialect.
+//
 //===----------------------------------------------------------------------===//
 
 #include "circt/Dialect/FIRRTL/Dialect.h"

lib/Dialect/FIRRTL/Import/FIRLexer.cpp

@@ -1,5 +1,11 @@
 //===- FIRLexer.cpp - .fir file lexer implementation ----------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This implements a .fir file lexer.
 //
 //===----------------------------------------------------------------------===//
@@ -414,4 +420,4 @@ FIRToken FIRLexer::lexFloatingPoint(const char *tokStart) {
       ++curPtr;
   }
   return formToken(FIRToken::floatingpoint, tokStart);
-}
+}

lib/Dialect/FIRRTL/Import/FIRLexer.h

@@ -1,5 +1,11 @@
 //===- FIRLexer.h - .fir lexer and token definitions ------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // Defines the a Lexer and Token interface for .fir files.
 //
 //===----------------------------------------------------------------------===//

lib/Dialect/FIRRTL/Import/FIRParser.cpp

@@ -1,8 +1,15 @@
 //===- FIRParser.cpp - .fir to FIRRTL dialect parser ----------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This implements a .fir file parser.
 //
 //===----------------------------------------------------------------------===//
+
 #include "circt/Dialect/FIRRTL/FIRParser.h"
 
 #include "FIRLexer.h"

lib/Dialect/FIRRTL/Import/FIRTokenKinds.def

@@ -1,5 +1,11 @@
 //===- FIRTokenKinds.def - .fir file Token Descriptions ---------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
 // This file is intended to be #include'd multiple times to extract information
 // about tokens for various clients in the lexer.
 //

lib/Dialect/FIRRTL/OpFolds.cpp

@@ -1,5 +1,13 @@
 //===- OpFolds.cpp - Implement folds and canonicalizations for ops --------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implement the folding and canonicalizations for FIRRTL ops.
+//
 //===----------------------------------------------------------------------===//
 
 #include "circt/Dialect/FIRRTL/Ops.h"

lib/Dialect/FIRRTL/Ops.cpp

@@ -1,5 +1,13 @@
 //===- Ops.cpp - Implement the FIRRTL operations --------------------------===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implement the FIRRTL ops.
+//
 //===----------------------------------------------------------------------===//
 
 #include "circt/Dialect/FIRRTL/Ops.h"

lib/Dialect/FIRRTL/Transforms/LowerTypes.cpp

@@ -4,6 +4,10 @@
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //===----------------------------------------------------------------------===//
+//
+// This file implements the lowering of FIRRTL types to ground types.
+//
+//===----------------------------------------------------------------------===//
 
 #include "./PassDetails.h"
 #include "circt/Conversion/FIRRTLToRTL/FIRRTLToRTL.h"

lib/Dialect/FIRRTL/Transforms/PassDetails.h

@@ -1,5 +1,12 @@
 //===- PassDetails.h - FIRRTL pass class details ----------------*- C++ -*-===//
 //
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//
 //===----------------------------------------------------------------------===//
 
 // clang-tidy seems to expect the absolute path in the header guard on some