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#!/bin/sh# SPDX-License-Identifier: GPL-2.0## Usage: $ ./rustc-llvm-version.sh rustc## Print the LLVM version that the Rust compiler uses in a 6 digit form. # Convert the version string x.y.z to a canonical up-to-6-digits form.get_canonical_version(){	IFS=.	set -- $1	echo $((10000 * $1 + 100 * $2 + $3))} if output=$("$@" --version --verbose 2>/dev/null | grep -E 'LLVM.*[0-9]+\.[0-9]+\.[0-9]+'); then	set -- $output	get_canonical_version $3else	echo 0	exit 1fi