From 2ea7a47b37d73135c1117651be81a9c92913184b Mon Sep 17 00:00:00 2001
From: Tobias Hieta <tobias@hieta.se>
Date: Thu, 17 Jul 2025 21:33:29 +0200
Subject: [PATCH] [utils] Use parallel xz when creating the test-suite src
 package

This was not happening before because it's calling xz via tar
instead of xz directly like the other source packages. This
speeds up the compression a lot.
---
 llvm/utils/release/export.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/release/export.sh b/llvm/utils/release/export.sh
index 66bef82586a34..0ac392cbed7be 100755
--- a/llvm/utils/release/export.sh
+++ b/llvm/utils/release/export.sh
@@ -123,7 +123,7 @@ export_sources() {
                 tar -C test-suite-$release$rc.src --strip-components=1 -xzf -
         fi
         echo "Creating tarball for test-suite ..."
-        tar --sort=name --owner=0 --group=0 \
+        XZ_OPT="-T0" tar --sort=name --owner=0 --group=0 \
             --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \
             -cJf test-suite-$release$rc.src.tar.xz test-suite-$release$rc.src
     fi