rust/compiler/rustc_codegen_cranelift/prepare.sh

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#!/bin/bash --verbose
set -e
rustup component add rust-src rustc-dev llvm-tools-preview
./build_sysroot/prepare_sysroot_src.sh
cargo install hyperfine || echo "Skipping hyperfine install"
git clone https://github.com/rust-random/rand.git || echo "rust-random/rand has already been cloned"
pushd rand
git checkout -- .
git checkout 0f933f9c7176e53b2a3c7952ded484e1783f0bf1
git am ../crate_patches/*-rand-*.patch
popd
git clone https://github.com/rust-lang/regex.git || echo "rust-lang/regex has already been cloned"
pushd regex
git checkout -- .
git checkout 341f207c1071f7290e3f228c710817c280c8dca1
popd
git clone https://github.com/ebobby/simple-raytracer || echo "ebobby/simple-raytracer has already been cloned"
pushd simple-raytracer
git checkout -- .
git checkout 804a7a21b9e673a482797aa289a18ed480e4d813
# build with cg_llvm for perf comparison
unset CARGO_TARGET_DIR
cargo build
mv target/debug/main raytracer_cg_llvm
popd