[mlir][ROCDL] Remove unneeded bf16 expansion in LowerGPUToROCDL (#139603) The umbrella pass fol lowering GPU ops to ROCDL (aka lowering to LLVM + the AMDGPU-specific setup) would call the arith patterns that manually implemented extf and truncf on bfloat because the LLVM AMDGPU backend used to not suppport those operaitons. Since the backend does now support these operations and has for quite some time, remove these patterns from the default lowering flow.
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.