update-bootstrap-llvm

#!/bin/sh

set -e

BOOTSTRAP_REPO="$1"
LLVM_REPO="$2"

cd "$BOOTSTRAP_REPO"
rm -rf clang lld llvm cmake

cp -r "$LLVM_REPO/llvm/" ./
cp -r "$LLVM_REPO/clang/" ./
cp -r "$LLVM_REPO/lld/" ./
cp -r "$LLVM_REPO/cmake/" ./
rm -rf \
  {llvm,lld,clang}/build-*/ \
  clang/bindings/ \
  clang/test/ \
  clang/www/ \
  clang/tools/scan-view/ \
  clang/tools/opt-viewer/ \
	clang/tools/amdgpu-arch \
	clang/tools/clang-scan-deps \
	clang/tools/libclang \
	clang/tools/clang-format \
	clang/tools/clang-installapi/ \
	clang/tools/clang-nvlink-wrapper/ \
  clang/utils/ABITest/ \
  clang/utils/CIndex/ \
  clang/utils/CaptureCmd \
  clang/utils/ClangVisualizers/ \
  clang/utils/CmpDriver \
  clang/utils/FindSpecRefs \
  clang/utils/FuzzTest \
  clang/utils/TestUtils/ \
  clang/utils/VtableTest/ \
  clang/utils/analyzer/ \
  clang/utils/perf-training/ \
  clang/utils/valgrind/x86_64-pc-linux-gnu_gcc-4.3.3.supp \
  clang/utils/ClangDataFormat.py \
  clang/utils/analyze_safe_buffer_debug_notes.py \
  clang/utils/builtin-defines.c \
  clang/utils/clangdiag.py \
  clang/utils/convert_arm_neon.py \
  clang/utils/creduce-clang-crash.py \
  clang/utils/find-unused-diagnostics.sh \
  clang/utils/make-ast-dump-check.sh \
  clang/utils/modfuzz.py \
  clang/utils/module-deps-to-rsp.py \
  clang/utils/token-delta.py \
  clang/utils/update_options_td_flags.py \
  clang/utils/ci/ \
  clang/utils/check_cfc/ \
  clang/docs/ \
  clang/examples/ \
  clang/unittests \
  clang/cmake/caches/ \
  lld/.clang-tidy \
  lld/test/ \
  llvm/test/ \
  llvm/benchmarks/ \
  llvm/utils/{benchmark,docker,gn,lit,vim,vscode,git}/ \
  llvm/utils/pipeline.py \
  llvm/utils/llvm-mca-compare.py \
  llvm/utils/rsp_bisect.py \
  llvm/utils/rsp_bisect_test/ \
  llvm/utils/reduce_pipeline.py \
  llvm/utils/reduce_pipeline_test/ \
  llvm/utils/release/ \
  llvm/utils/mlgo-utils/ \
  llvm/docs/ \
  lld/docs/ \
	lld/unittests \
  llvm/bindings/ \
  llvm/examples/ \
  llvm/utils/*.py \
  $(find -name ".clang-format" -o -name "*.rst") \
  llvm/unittests \
  llvm/utils/filecheck_lint \
  llvm/utils/split-file \
  llvm/utils/TableGen/jupyter \
  llvm/utils/TableGen/README.md \
  llvm/utils/FileCheck \
  llvm/utils/PerfectShuffle \
  llvm/utils/count \
  llvm/utils/not \
  llvm/utils/UnicodeData \
  llvm/utils/yaml-bench \
  llvm/utils/split-file \
  llvm/utils/llvm-lit \
  llvm/utils/llvm-locstats \
  llvm/utils/emacs \
  llvm/tools/spirv-tools/ \
  llvm/tools/sancov/ \
  llvm/tools/dsymutil/ \
  llvm/tools/llc/ \
	llvm/tools/llvm-debuginfo-analyzer \
	llvm/tools/llvm-debuginfod \
	llvm/tools/llvm-dwp \
	llvm/tools/llvm-exegesis \
	llvm/tools/llvm-gsymutil \
	llvm/tools/llvm-jitlink \
	llvm/tools/llvm-libtool-darwin \
	llvm/tools/llvm-remarkutil \
	llvm/tools/llvm-readtapi \
	llvm/tools/llvm-reduce \
	llvm/tools/opt-viewer \
  llvm/tools/reduce-chunk-list

echo "Inspect git status, then do the following commands:"
echo 'git commit -a -m "update LLVM sources to XYZ"'
echo "next, look at the commits directly after the previous update commit and apply relevant patches"