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1# RUN: llc -mtriple=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s2 3# Check that this testcase does not crash.4# CHECK: L4_and_memopw_io5 6---7name: fred8tracksRegLiveness: true9registers:10 - { id: 0, class: intregs }11 - { id: 1, class: intregs }12 - { id: 2, class: intregs }13 - { id: 3, class: intregs }14 - { id: 4, class: predregs }15 - { id: 5, class: intregs }16 - { id: 6, class: intregs }17body: |18 bb.0:19 successors: %bb.120 %0 = A2_tfrsi -36018460821 %1 = L2_loadri_io %0, -102422 23 bb.1:24 successors: %bb.225 %2 = A2_tfrsi -23494464126 %3 = A2_tfrsi -36018563227 L4_and_memopw_io %3, 0, %228 29 bb.2:30 successors: %bb.3, %bb.431 %4 = IMPLICIT_DEF32 J2_jumpt %4, %bb.4, implicit-def $pc33 J2_jump %bb.3, implicit-def $pc34 35 bb.3:36 successors: %bb.437 38 bb.4:39 %5 = A2_tfrsi -23494452140 %6 = A2_tfrsi -36018563241 L4_and_memopw_io %6, 0, %542...43