llvm-project/mlir/lib/TableGen
serge-sans-paille 75e164f61d [llvm] Cleanup header dependencies in ADT and Support
The cleanup was manual, but assisted by "include-what-you-use". It consists in

1. Removing unused forward declaration. No impact expected.
2. Removing unused headers in .cpp files. No impact expected.
3. Removing unused headers in .h files. This removes implicit dependencies and
   is generally considered a good thing, but this may break downstream builds.
   I've updated llvm, clang, lld, lldb and mlir deps, and included a list of the
   modification in the second part of the commit.
4. Replacing header inclusion by forward declaration. This has the same impact
   as 3.

Notable changes:

- llvm/Support/TargetParser.h no longer includes llvm/Support/AArch64TargetParser.h nor llvm/Support/ARMTargetParser.h
- llvm/Support/TypeSize.h no longer includes llvm/Support/WithColor.h
- llvm/Support/YAMLTraits.h no longer includes llvm/Support/Regex.h
- llvm/ADT/SmallVector.h no longer includes llvm/Support/MemAlloc.h nor llvm/Support/ErrorHandling.h

You may need to add some of these headers in your compilation units, if needs be.

As an hint to the impact of the cleanup, running

clang++ -E  -Iinclude -I../llvm/include ../llvm/lib/Support/*.cpp -std=c++14 -fno-rtti -fno-exceptions | wc -l

before: 8000919 lines
after:  7917500 lines

Reduced dependencies also helps incremental rebuilds and is more ccache
friendly, something not shown by the above metric :-)

Discourse thread on the topic: https://llvm.discourse.group/t/include-what-you-use-include-cleanup/5831
2022-01-21 13:54:49 +01:00
..
Argument.cpp [mlir] Add support for VariadicOfVariadic operands 2021-08-23 20:32:31 +00:00
AttrOrTypeDef.cpp [mlir][ods] AttrOrTypeGen uses Class 2021-12-01 16:53:23 +00:00
Attribute.cpp Fix more clang-tidy cleanups in mlir/ (NFC) 2021-12-22 20:53:11 +00:00
Builder.cpp [mlir][ODS] Add a C++ abstraction for OpBuilders 2021-01-11 12:06:22 -08:00
CMakeLists.txt [mlir][ods] Cleanup of Class Codegen helper 2021-11-12 21:22:01 +00:00
Class.cpp [mlir][ods] ODS ops get an `extraClassDefinition` 2022-01-06 01:43:26 +00:00
Constraint.cpp [mlir][ods] Unique attribute, successor, region constraints 2021-11-12 01:04:08 +00:00
Dialect.cpp Fix clang-tidy issues in mlir/ (NFC) 2021-12-20 20:25:01 +00:00
Format.cpp [llvm] Cleanup header dependencies in ADT and Support 2022-01-21 13:54:49 +01:00
Interfaces.cpp [mlir][Interfaces] Add a extraSharedClassDeclaration field 2022-01-12 14:12:08 -08:00
Operator.cpp Use reference for large object passed by value at the moment in MLIR TableGen (NFC) 2022-01-18 06:48:33 +00:00
Pass.cpp Fix more clang-tidy cleanups in mlir/ (NFC) 2021-12-22 20:53:11 +00:00
Pattern.cpp Apply clang-tidy fixes for performance-unnecessary-value-param to MLIR (NFC) 2022-01-02 01:45:18 +00:00
Predicate.cpp [llvm] Cleanup header dependencies in ADT and Support 2022-01-21 13:54:49 +01:00
Region.cpp [mlir][ODS] Add support for variadic regions. 2020-04-05 01:03:38 -07:00
SideEffects.cpp [mlir] Add support for adding attribute+type traits/interfaces to tablegen defs 2021-04-15 11:41:51 -07:00
Successor.cpp [llvm][ADT] Move TypeSwitch class from MLIR to LLVM 2020-04-14 15:14:41 -07:00
Trait.cpp Fix clang-tidy issues in mlir/ (NFC) 2021-12-20 20:25:01 +00:00
Type.cpp [mlir][ods] Unique attribute, successor, region constraints 2021-11-12 01:04:08 +00:00