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