Awesome

LLVM-O0-BitcodeWriter

patch for LLVM to generate O0 bitcode

Steps

patch

git clone https://github.com/llvm/llvm-project
cd llvm-project
git checkout 5521236a18074584542b81fd680158d89a845fca
patch -p1 < PATCH_FILE

build clang

mkdir build && cd build
cmake -DLLVM_ENABLE_PROJECTS=clang -DCMAKE_BUILD_TYPE=Release  -G "Unix Makefiles" ../llvm
make -j$(nproc)