Add github actions for windows llvm

.ci/deploy-llvm.sh

@@ -0,0 +1,20 @@
+#!/bin/sh -ex
+
+# First let's print some info about our caches
+"$(cygpath -u "$CCACHE_BIN_DIR")"/ccache.exe --show-stats -v
+
+# BUILD_blablabla is Azure specific, so we wrap it for portability
+ARTIFACT_DIR="$BUILD_ARTIFACTSTAGINGDIRECTORY"
+BUILD="llvmlibs_mt.7z"
+
+# Package artifacts
+7z a -m0=LZMA2 -mx9 "$BUILD" ./build/lib/Release-x64/llvm_build
+
+# Generate sha256 hashes
+# Write to file for GitHub releases
+sha256sum "$BUILD" | awk '{ print $1 }' | tee "$BUILD.sha256"
+echo "$(cat "$BUILD.sha256");$(stat -c %s "$BUILD")B" > GitHubReleaseMessage.txt
+
+# Move files to publishing directory
+cp -- "$BUILD" "$ARTIFACT_DIR"
+cp -- "$BUILD.sha256" "$ARTIFACT_DIR"