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CHANGELOG.md

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[Unreleased]

[18.1.4] - 2024-05-09

Changed

  • Upgrade to LLVM 18.1.5 minimum

[18.1.4] - 2024-04-22

Changed

  • Upgrade to LLVM 18.1.4 minimum

Added

  • partial_inliner! pass

[18.1.3] - 2024-04-06

Changed

  • Deprecate unwind instruction
  • Attribute to_s and inspect call LLVM Attribute::getAsString() for a better and more consistent string
  • Switch to LLVM 18
    • Breaking changes to optimizing inline and always-inline
    • Previously, an inliner-threshold of nil would be no inlining
    • Currently, always-inline and inline are included, matching O0-3, unless disabled by parameter
    • Changes to LLVM const functions

Added

  • LLVM::Module#clone_module to clone a module entirely.
  • Attribute methods: readnone? readonly? writeonly? which work for new and old attributes
  • Function methods: readnone? readonly? writeonly? which work for new and old attributes
  • allow attribute comparisons to strings and symbols
  • more attribute tests

[17.0.0] - 2024-01-01

Changed

  • Switch to LLVM 17

Added

Breaking Changes

  • PassManager most methods will raise exceptions
  • PassManagerBuilder #build and #build_with_lto will raise exceptions
  • Users must switch to PassBuilder

[16.0.1] - 2023-12-11

Changed

  • Fix GenericValue.from_b. (@seven1m)
  • Fix build issues. (@seven1m)
  • Call instruction uses function calling convention by default.
  • Call instructions can use function names instead of functions.
  • Add test for invoke / invoke2.

Added

  • Added builder support for the fneg instruction.

[16.0.0] - 2023-06-01

  • Update to LLVM 16.
  • Several other related things.

[15.0.4] - 2022-05-14

Changed

  • Fixed segfaults when value type expected to be instruction but was globalvairable
  • inspect values should be more useful than raw pointer for modules, functions, instructions
  • Fixed tests
  • raise on use of deprecated constant expressions

Added

  • Add LLVM::Value#kind which calls LLVMGetValueKind and returns a symbol
  • Add LLVM::Module.parse_ir and LLVM::Module#write_ir!
  • More workflow tests - including ruby 3.2
  • Several additional Target tests
  • valid? method for modules and functions
  • ConstantInt#trunc
  • ConstantInt#ext alias for ConstantInt#sext
  • ConstantInt#to_f to const convert to float type
  • ConstantReal#to_i to const convert to int type
  • ConstantReal#trunc
  • ConstantReal#ext / ConstantReal#sext
  • Many more tests

[15.0.3] - 2022-02-24

Added

  • Tests for adding pass manager passes - catches pass removals and certain bugs
  • Additional documentation for passes
  • Missing passes:
    • dce!
    • bdce!
    • scalarizer!
    • mldst_motion!
    • new_gvn!
    • instsimplify!
    • loop_reroll!
    • loop_unroll_and_jam!
    • loweratomic!
    • partially_inline_libcalls!
    • verify!
    • early_cse_memssa!
    • scoped_noalias_aa!
    • lower_constant_intrinsics!
    • mergereturn!
    • lowerswitch!
    • add_discriminators!
    • called_value_propagation!
  • Warnings on removed passes:
    • arg_promote!
    • ipcp!
    • loop_unswitch!
    • simplify_libcalls!
    • constprop!
    • bb_vectorize!
  • Bug fixes for passes:
    • dae!
    • internalize!
    • scalarrepl_threshold!

[15.0.2] - 2022-01-30

Changed

Added

  • LLVM::Type.named(name) to get an existing type - Calls GetTypeByName2
  • LLVM::Type packed_struct? opaque_struct? literal_struct?
  • Tests for structs and named types
  • error checking for array and vector sizes
  • GitHub dependabot integration
  • GitHub preliminary CI

[15.0.1] - 2022-12-03

Changed

  • Fix to compiling ruby-llvm-support with clang++

[15.0.0] - 2022-10-29

Added

  • debug gem
  • add "2" version for several operations
    • build_load2, build_gep2, build_inbounded_gep2, build_struct_gep2, build_call2, build_invoke2

Changed

  • LLVM 15
  • Pointers only support opaque mode
    • Type#element_type returns void for pointers
  • Order for building is now: clang++-15 clang++ g++
  • updated various development gems: rubocop, minitest, etc

Removed

  • builder#build_with_lto

[13.0.2] - 2022-06-02

Changed

  • ruby version is >= 2.7
  • Error handling for Builder#ret
  • Error handling for Builder#call
  • Error handling for Builder#br
  • Error handling for Builder#cond
  • Error handling for extract element/value
  • Error handling for insert element/value
  • Error handling for position, position_at_end, position_before
  • default to "ret void" for Builder#ret
  • add Type#aggregate?

[13.0.1] - 2021-12-21

Changed

  • LLVM::Type#to_s now shows LLVM IR type
  • LLVM::Value#to_s now shows LLVM IR value
  • added ConstantInt#zext
  • added ConstantInt#sext
  • added PassManager#mergefunc! pass

[13.0.0] - 2021-10-21

Changed

  • LLVM Bindings upgraded to 13.0.0
  • update gem dependencies

[11.0.0] - 2020-12-07

Changed

  • LLVM Bindings upgraded to 11.0.0

[10.0.0] - 2020-06-19

Changed

  • LLVM Bindings upgraded to 10.0.0
  • update gem dependencies
  • remove some bindings to functions which no longer exist in llvm-c

[8.0.1] - 2019-03-28

Changed

  • MCJITCompiler initialized with code_model 0 again
  • Allow PassManager.new to be called without a machine parameter
  • PassManager.new warns on being called with a machine parameter

[8.0.0] - 2019-03-21

Changed

  • LLVM Bindings upgraded to 8.0.0