Do not build PyTorch with LLVM (#1445)

As NNC is dead, and llvm dependency has not been updated in last 4 years

First step towards fixing pytorch/pytorch#103756

conda/Dockerfile

@@ -68,9 +68,6 @@ COPY --from=cuda11.8  /usr/local/cuda-11.8 /usr/local/cuda-11.8
 COPY --from=cuda12.1  /usr/local/cuda-12.1 /usr/local/cuda-12.1
 
 FROM ${BASE_TARGET} as final
-# Install LLVM
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm              /opt/llvm
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm_no_cxx11_abi /opt/llvm_no_cxx11_abi
 COPY --from=openssl            /opt/openssl           /opt/openssl
 COPY --from=patchelf           /patchelf              /usr/local/bin/patchelf
 COPY --from=conda              /opt/conda             /opt/conda

libtorch/Dockerfile

@@ -72,9 +72,6 @@ RUN bash ./install_rocm_drm.sh && rm install_rocm_drm.sh
 RUN bash ./install_rocm_magma.sh && rm install_rocm_magma.sh
 
 FROM ${BASE_TARGET} as final
-# Install LLVM
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm              /opt/llvm
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm_no_cxx11_abi /opt/llvm_no_cxx11_abi
 COPY --from=openssl            /opt/openssl           /opt/openssl
 # Install patchelf
 ADD ./common/install_patchelf.sh install_patchelf.sh

manywheel/Dockerfile

@@ -114,8 +114,6 @@ RUN git config --global --add safe.directory "*"
 
 ENV SSL_CERT_FILE=/opt/_internal/certs.pem
 # Install LLVM version
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm                             /opt/llvm
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm_no_cxx11_abi                /opt/llvm_no_cxx11_abi
 COPY --from=openssl            /opt/openssl                          /opt/openssl
 COPY --from=python             /opt/python                           /opt/python
 COPY --from=python             /opt/_internal                        /opt/_internal

manywheel/Dockerfile_2014

@@ -97,8 +97,6 @@ RUN git config --global --add safe.directory "*"
 
 ENV SSL_CERT_FILE=/opt/_internal/certs.pem
 # Install LLVM version
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm                             /opt/llvm
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm_no_cxx11_abi                /opt/llvm_no_cxx11_abi
 COPY --from=openssl            /opt/openssl                          /opt/openssl
 COPY --from=base               /opt/python                           /opt/python
 COPY --from=base               /opt/_internal                        /opt/_internal

manywheel/Dockerfile_cxx11-abi

@@ -48,8 +48,6 @@ ADD ./common/install_libpng.sh install_libpng.sh
 RUN bash ./install_libpng.sh && rm install_libpng.sh
 
 FROM base as final
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm                             /opt/llvm
-COPY --from=pytorch/llvm:9.0.1 /opt/llvm_no_cxx11_abi                /opt/llvm_no_cxx11_abi
 COPY --from=openssl            /opt/openssl                          /opt/openssl
 COPY --from=python             /opt/python                           /opt/python
 COPY --from=python             /opt/_internal                        /opt/_internal

manywheel/build_common.sh

@@ -139,12 +139,8 @@ esac
 
 if [[ "$DESIRED_DEVTOOLSET" == *"cxx11-abi"* ]]; then
     export _GLIBCXX_USE_CXX11_ABI=1
-    export USE_LLVM="/opt/llvm"
-    export LLVM_DIR="$USE_LLVM/lib/cmake/llvm"
 else
     export _GLIBCXX_USE_CXX11_ABI=0
-    export USE_LLVM="/opt/llvm_no_cxx11_abi"
-    export LLVM_DIR="$USE_LLVM/lib/cmake/llvm"
 fi
 
 if [[ "$DESIRED_CUDA" == *"rocm"* ]]; then

manywheel/build_libtorch.sh

@@ -103,12 +103,8 @@ fi
 
 if [[ "$DESIRED_DEVTOOLSET" == *"cxx11-abi"* ]]; then
     export _GLIBCXX_USE_CXX11_ABI=1
-    export USE_LLVM="/opt/llvm"
-    export LLVM_DIR="$USE_LLVM/lib/cmake/llvm"
 else
     export _GLIBCXX_USE_CXX11_ABI=0
-    export USE_LLVM="/opt/llvm_no_cxx11_abi"
-    export LLVM_DIR="$USE_LLVM/lib/cmake/llvm"
 fi
 
 if [[ "$DESIRED_CUDA" == *"rocm"* ]]; then