[GlobalOpt][FMV] Perform expensive checks when NumVersions < Threshold (#168054) Extends the static resolution algorith to handle cases where we can infer additional information on why a prior caller version of higher priority was skipped, based on the features of the current caller version. For example let's say the current caller is aes+sve2 and a previous caller was mops+sve2. Knowing that sve2 is available we could deduce that mops is unavailable. This would allow us to skip callee versions which depend on mops. This comes at the expense of performing more checks. However we can control the threshold (number of versions) which decides whether the expensive checks will be performed or not.
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.
Consult the Getting Started with LLVM page for information on building and running LLVM.
For information on how to contribute to the LLVM project, please take a look at the Contributing to LLVM guide.
Join the LLVM Discourse forums, Discord chat, LLVM Office Hours or Regular sync-ups.
The LLVM project has adopted a code of conduct for participants to all modes of communication within the project.