- upgraded to LLVM_VERSION=13 both on sledge & AWSM

- updated dockerfile, main.yaml
- added new uninstall_llvm.sh script to ease LLVM removal

Author: emil916

.github/workflows/main.yaml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 env:
   LLVM_VERSION: 13
-  WASI_SDK_URL: https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-12/wasi-sdk-12.0-linux.tar.gz
+  WASI_SDK_VERSION: 12
   WASI_SDK_PATH: /opt/wasi-sdk
   LANG: C.UTF-8
   LANGUAGE: C.UTF-8
@@ -18,10 +18,10 @@ jobs:
       - name: Apt Update
         run: sudo apt-get update
       - uses: actions/checkout@v2
-      - name: Install LLVM
+      - name: Install Clang Format
         run: |
           sudo ./install_llvm.sh $LLVM_VERSION
-      - name: Clang Format
+      - name: Run Clang Format
         run: ./format.sh -d
   test:
     runs-on: ubuntu-20.04
@@ -62,6 +62,7 @@ jobs:
           echo "/root/.cargo/bin:$PATH" >> $GITHUB_PATH
       - name: Get wasi-sdk
         run: |
+          WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$WASI_SDK_VERSION/wasi-sdk-$WASI_SDK_VERSION.0-linux.tar.gz
           wget $WASI_SDK_URL -O wasi-sdk.tar.gz
           mkdir -p $WASI_SDK_PATH
           tar xvfz wasi-sdk.tar.gz --strip-components=1 -C $WASI_SDK_PATH

Dockerfile.x86_64

@@ -1,9 +1,12 @@
 # using ubuntu 20 docker image
 FROM ubuntu:focal
 
+ENV LLVM_VERSION=13
+ENV WASI_SDK_VERSION=12
+
 ARG DEBIAN_FRONTEND=noninteractive
 ARG HEY_URL=https://hey-release.s3.us-east-2.amazonaws.com/hey_linux_amd64
-ARG WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-12/wasi-sdk_12.0_amd64.deb
+ARG WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$WASI_SDK_VERSION/wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb
 ARG SHFMT_URL=https://github.com/mvdan/sh/releases/download/v3.2.4/shfmt_v3.2.4_linux_amd64
 ARG SHELLCHECK_URL=https://github.com/koalaman/shellcheck/releases/download/stable/shellcheck-stable.linux.x86_64.tar.xz
 
@@ -74,12 +77,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 	vim \
 	wabt
 
-ENV LLVM_VERSION=12
 ADD install_llvm.sh /sledge/install_llvm.sh
 RUN ./sledge/install_llvm.sh $LLVM_VERSION
 
 # WASI-SDK
-RUN curl -sS -L -O $WASI_SDK_URL && dpkg -i wasi-sdk_12.0_amd64.deb && rm -f wasi-sdk_12.0_amd64.deb
+RUN curl -sS -L -O $WASI_SDK_URL && dpkg -i wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb && rm -f wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb
 ENV WASI_SDK_PATH=/opt/wasi-sdk
 
 # Create non-root user and add to sudoers

applications/Makefile

@@ -28,15 +28,10 @@ all: \
 	resize_image.install \
 	cnn_face_detection.install \
 	get_jpeg_resolution.install \
-	scratch_storage_get.install \
-	scratch_storage_set.install \
-	scratch_storage_delete.install \
-	scratch_storage_upsert.install \
 
 .PHONY: clean
 clean:
 	@make -C wasm_apps clean
-	@make -C scratch_storage clean
 	@rm -rf dist
 	@rm -rf ../runtime/bin/*.so
 
@@ -70,7 +65,7 @@ dist/%.bc: ./wasm_apps/dist/%.wasm dist
 	${AWSMCC} ${AWSMFLAGS} $< -o $@
 
 dist/%.ll: dist/%.bc
-	llvm-dis-12 $< -o $@
+	llvm-dis $< -o $@
 
 dist/%.wasm.so: dist/%.bc
 	${CC} ${CFLAGS} ${LDFLAGS} $^ -o $@

install_deb.sh

@@ -1,12 +1,14 @@
 #!/bin/bash
 
-LLVM_VERSION=12
+# Note, wasi-sdk versions do NOT match llvm versions, e.g. wasi-sdk-12 actually uses llvm-11 
+LLVM_VERSION=13
+WASI_SDK_VERSION=12
 
 ARCH=$(uname -m)
 
 if [[ $ARCH = "x86_64" ]]; then
 	SHFMT_URL=https://github.com/mvdan/sh/releases/download/v3.4.3/shfmt_v3.4.3_linux_amd64
-	WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-12/wasi-sdk_12.0_amd64.deb
+	WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-$WASI_SDK_VERSION/wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb
 elif [[ $ARCH = "aarch64" ]]; then
 	SHFMT_URL=https://github.com/patrickvane/shfmt/releases/download/master/shfmt_linux_arm
 	echo "ARM64 support is still a work in progress!"
@@ -64,7 +66,7 @@ wget $SHFMT_URL -O shfmt && chmod +x shfmt && sudo mv shfmt /usr/local/bin/shfmt
 
 sudo ./install_llvm.sh $LLVM_VERSION
 
-curl -sS -L -O $WASI_SDK_URL && sudo dpkg -i wasi-sdk_12.0_amd64.deb && rm -f wasi-sdk_12.0_amd64.deb
+curl -sS -L -O $WASI_SDK_URL && sudo dpkg -i wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb && rm -f wasi-sdk_$WASI_SDK_VERSION.0_amd64.deb
 
 if [ -z "${WASI_SDK_PATH}" ]; then
 	export WASI_SDK_PATH=/opt/wasi-sdk

install_llvm.sh

@@ -8,28 +8,28 @@ echo "Installing LLVM $LLVM_VERSION"
 # Script Installs clang, lldb, lld, and clangd
 curl --proto '=https' --tlsv1.2 -sSf https://apt.llvm.org/llvm.sh | bash -s -- "$LLVM_VERSION"
 
+# Installing "libc++-xx-dev" automagically installs "libc++1-xx", "libunwind-xx" and "libunwind-xx-dev"
 apt-get install -y --no-install-recommends \
 	"libc++-$LLVM_VERSION-dev" \
 	"libc++abi-$LLVM_VERSION-dev" \
-	"libc++1-$LLVM_VERSION" \
-	"libunwind-$LLVM_VERSION" \
-	"libunwind-$LLVM_VERSION-dev" \
 	"clang-tools-$LLVM_VERSION" \
 	"clang-tidy-$LLVM_VERSION" \
 	"clang-format-$LLVM_VERSION"
 
-sudo update-alternatives --remove-all clang-format
-sudo update-alternatives --remove-all clang
-sudo update-alternatives --remove-all clang++
-sudo update-alternatives --remove-all llvm-config
-sudo update-alternatives --remove-all llvm-objdump
-sudo update-alternatives --remove-all llvm-objdump
-sudo update-alternatives --remove-all clang-tidy
+update-alternatives --remove-all wasm-ld
+update-alternatives --remove-all llvm-config
+update-alternatives --remove-all llvm-objdump
+update-alternatives --remove-all llvm-dis
+update-alternatives --remove-all clang-format
+update-alternatives --remove-all clang
+update-alternatives --remove-all clang++
+update-alternatives --remove-all clang-tidy
 
+update-alternatives --install /usr/bin/wasm-ld wasm-ld "/usr/bin/wasm-ld-$LLVM_VERSION" 100
+update-alternatives --install /usr/bin/llvm-config llvm-config "/usr/bin/llvm-config-$LLVM_VERSION" 100
+update-alternatives --install /usr/bin/llvm-objdump llvm-objdump "/usr/bin/llvm-objdump-$LLVM_VERSION" 100
+update-alternatives --install /usr/bin/llvm-dis llvm-dis /usr/bin/llvm-dis-$LLVM_VERSION 100
 update-alternatives --install /usr/bin/clang-format clang-format "/usr/bin/clang-format-$LLVM_VERSION" 100
 update-alternatives --install /usr/bin/clang clang "/usr/bin/clang-$LLVM_VERSION" 100
 update-alternatives --install /usr/bin/clang++ clang++ "/usr/bin/clang++-$LLVM_VERSION" 100
-update-alternatives --install /usr/bin/llvm-config llvm-config "/usr/bin/llvm-config-$LLVM_VERSION" 100
-update-alternatives --install /usr/bin/llvm-objdump llvm-objdump "/usr/bin/llvm-objdump-$LLVM_VERSION" 100
 update-alternatives --install /usr/bin/clang-tidy clang-tidy "/usr/bin/clang-tidy-$LLVM_VERSION" 100
-update-alternatives --install /usr/bin/wasm-ld wasm-ld "/usr/bin/wasm-ld-$LLVM_VERSION" 100

uninstall_llvm.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# Uninstalls all LLVM tooling as much as possible
+
+echo "Uninstalling LLVM"
+
+apt-get remove -y --purge \
+	"llvm*" \
+	"lld*" \
+	"libc++*" \
+	"libunwind*" \
+	"clang*" \
+
+apt-get autoremove -y
+
+update-alternatives --remove-all clang-format
+update-alternatives --remove-all clang
+update-alternatives --remove-all clang++
+update-alternatives --remove-all llvm-config
+update-alternatives --remove-all llvm-objdump
+update-alternatives --remove-all clang-tidy
+update-alternatives --remove-all wasm-ld