1 # RUN: not llc -mtriple=aarch64-apple-ios -run-pass=greedy -run-pass=virtregrewriter %s -o /dev/null 2>&1 | FileCheck %s
3 # Check we don't infinitely loop on cycles in copy bundles.
4 # CHECK: error: register rewriting failed: cycle in copy bundle
11 $q0_q1_q2_q3 = IMPLICIT_DEF
12 $q1_q2_q3 = COPY $q0_q1_q2 {
13 $q2_q3_q4 = COPY $q1_q2_q3
15 ST4i64 $q1_q2_q3_q4, 0, $x0