1 # RUN: not llc -mtriple=aarch64-apple-ios -run-pass=greedy -run-pass=virtregrewriter %s -o /dev/null 2>&1 | FileCheck %s 2 3 # Check we don't infinitely loop on cycles in copy bundles. 4 # CHECK: error: register rewriting failed: cycle in copy bundle 5 6 --- 7 name: func0 8 body: | 9 bb.0: 10 $x0 = IMPLICIT_DEF 11 $q0_q1_q2_q3 = IMPLICIT_DEF 12 $q1_q2_q3 = COPY $q0_q1_q2 { 13 $q2_q3_q4 = COPY $q1_q2_q3 14 } 15 ST4i64 $q1_q2_q3_q4, 0, $x0 16 ... 17
