[all-commits] [llvm/llvm-project] cc91bb: [Instrumentor] Add runtime examples: [1/N] A flop ...

[Johannes Doerfert via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cc91bbc5d88e56b85cd80e391d7faddd422bb3e4
      https://github.com/llvm/llvm-project/commit/cc91bbc5d88e56b85cd80e391d7faddd422bb3e4
  Author: Johannes Doerfert <jdoerfert.llvm at gmail.com>
  Date:   2026-06-25 (Thu, 25 Jun 2026)

  Changed paths:
    M clang/cmake/caches/CrossWinToARMLinux.cmake
    M clang/cmake/caches/VectorEngine.cmake
    M clang/cmake/caches/cross-linux-toolchain.cmake
    M compiler-rt/CMakeLists.txt
    M compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
    M compiler-rt/cmake/caches/AMDGPU.cmake
    M compiler-rt/cmake/caches/NVPTX.cmake
    M compiler-rt/cmake/caches/SPIRV64.cmake
    M compiler-rt/cmake/caches/hexagon-builtins-baremetal.cmake
    M compiler-rt/cmake/caches/hexagon-linux-builtins.cmake
    M compiler-rt/cmake/config-ix.cmake
    M compiler-rt/lib/CMakeLists.txt
    A compiler-rt/lib/instrumentor-tools/CMakeLists.txt
    A compiler-rt/lib/instrumentor-tools/README.md
    A compiler-rt/lib/instrumentor-tools/flop-counter/CMakeLists.txt
    A compiler-rt/lib/instrumentor-tools/flop-counter/README.md
    A compiler-rt/lib/instrumentor-tools/flop-counter/flop_counter_config.json
    A compiler-rt/lib/instrumentor-tools/flop-counter/flop_counter_runtime.cpp
    A compiler-rt/lib/instrumentor-tools/instrumentor_runtime.h
    M compiler-rt/test/CMakeLists.txt
    A compiler-rt/test/instrumentor-tools/CMakeLists.txt
    A compiler-rt/test/instrumentor-tools/lit.cfg.py
    A compiler-rt/test/instrumentor-tools/lit.site.cfg.py.in
    A compiler-rt/test/instrumentor-tools/simple_flops.c
    A compiler-rt/test/instrumentor-tools/vector_flops.cpp
    M libcxx/cmake/caches/Generic-llvm-libc.cmake

  Log Message:
  -----------
  [Instrumentor] Add runtime examples: [1/N] A flop counter (#205698)

This adds a instrumentor-tools folder into compiler RT to showcase use
cases of the instrumentor. The initial example is a program that, via
instrumentation, counts the number of flops performed. Call and
intrinsic support will follow after #198042.

This is the second try with more CMake magic after
https://github.com/llvm/llvm-project/pull/205221 failed on some
platforms.

Partially developped by Claude (AI), tested and verified by me.



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