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llvm / llvm-project / fd6cd1a249136e93e73cc09c3408871255c5ae72
commitfd6cd1a249136e93e73cc09c3408871255c5ae72[log] [tgz]
authorCraig Topper <craig.topper@sifive.com>Wed May 17 10:31:39 2023 -0700
committerCraig Topper <craig.topper@sifive.com>Wed May 17 10:31:39 2023 -0700
treef521c283ee8bf81df59c64a0ed540dfec0353a2c
parent30c57e275e5aea5ec4c021f1a53687c3ae97b6f9 [diff]
[RISCV] Refactor parseVTypeI and use ParseFail if we parsed more than one identifier.

Previously we lexed into a SmallVector and unlexed the tokens if
the parsing failed.

This patch gets rid of the SmallVector and the unlexing.

If the first token fails to parse, return MatchFail. This allows us
to fallback to parsing as an immediate. If we successfully parsed the
first token, use ParseFail if any later tokens fail to parse. This
avoids needing to UnLex the tokens.

I've used a state machine to keep track of what component we've
parsed so far.

Reviewed By: asb

Differential Revision: https://reviews.llvm.org/D150753
2 files changed
tree: f521c283ee8bf81df59c64a0ed540dfec0353a2c
  1. .github/
  2. bolt/
  3. clang/
  4. clang-tools-extra/
  5. cmake/
  6. compiler-rt/
  7. cross-project-tests/
  8. flang/
  9. libc/
  10. libclc/
  11. libcxx/
  12. libcxxabi/
  13. libunwind/
  14. lld/
  15. lldb/
  16. llvm/
  17. llvm-libgcc/
  18. mlir/
  19. openmp/
  20. polly/
  21. pstl/
  22. runtimes/
  23. third-party/
  24. utils/
  25. .arcconfig
  26. .arclint
  27. .clang-format
  28. .clang-tidy
  29. .git-blame-ignore-revs
  30. .gitignore
  31. .mailmap
  32. CONTRIBUTING.md
  33. LICENSE.TXT
  34. README.md
  35. SECURITY.md
README.md

The LLVM Compiler Infrastructure

Welcome to the LLVM project!

This repository contains the source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and run-time environments.

The LLVM project has multiple components. The core of the project is itself called “LLVM”. This contains all of the tools, libraries, and header files needed to process intermediate representations and convert them into object files. Tools include an assembler, disassembler, bitcode analyzer, and bitcode optimizer.

C-like languages use the Clang frontend. This component compiles C, C++, Objective-C, and Objective-C++ code into LLVM bitcode -- and from there into object files, using LLVM.

Other components include: the libc++ C++ standard library, the LLD linker, and more.

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For information on how to contribute to the LLVM project, please take a look at the Contributing to LLVM guide.

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