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LLVM/SPIR-V Bi-Directional Translator

Build Status

This repository contains source code for the LLVM/SPIR-V Bi-Directional Translator, a library and tool for translation between LLVM IR and SPIR-V.

The LLVM/SPIR-V Bi-Directional Translator is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.

Directory Structure

The files/directories related to the translator:

  • include/SPIRV.h - header file
  • lib/SPIRV - library for SPIR-V in-memory representation, decoder/encoder and LLVM/SPIR-V translator
  • tools/llvm-spirv - command line utility for translating between LLVM bitcode and SPIR-V binary

Build Instructions

TBD

Test instructions

All tests related to the translator are placed in the test directory.

Execute the following command to run translator tests:

llvm-lit test

Run Instructions for llvm-spirv

To translate between LLVM IR and SPIR-V:

  1. Execute the following command to translate input.bc to input.spv

    llvm-spirv input.bc

  2. Execute the following command to translate input.spv to input.bc

    llvm-spirv -r input.spv

  3. Other options accepted by llvm-spirv

    • -o file_name - to specify output name
    • -spirv-debug - output debugging information
    • -spirv-text - read/write SPIR-V in an internal textual format for debugging purpose. The textual format is not defined by SPIR-V spec.
    • -help - to see full list of options