diff --git a/infra/build_polly.sh b/infra/build_polly.sh
new file mode 100644
index 00000000..5557a93a
--- /dev/null
+++ b/infra/build_polly.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+## Copyright (c) 2022 Alex313031/
+
+## Clones latest LLVM being used by the Chromium Project, and builds a local toolchain with Polly to use the Polly optimizations in the main Thorium BUILD.gn
+
+cd ~/chromium/src
+
+python3 tools/clang/scripts/build.py --without-android --without-fuchsia --disable-asserts --gcc-toolchain=/usr --bootstrap --thinlto