1# RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s 2 3# Check that this testcase does not crash. 4# CHECK: L4_and_memopw_io 5 6--- 7name: fred 8tracksRegLiveness: true 9registers: 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.1 20 %0 = A2_tfrsi -360184608 21 %1 = L2_loadri_io %0, -1024 22 23 bb.1: 24 successors: %bb.2 25 %2 = A2_tfrsi -234944641 26 %3 = A2_tfrsi -360185632 27 L4_and_memopw_io %3, 0, %2 28 29 bb.2: 30 successors: %bb.3, %bb.4 31 %4 = IMPLICIT_DEF 32 J2_jumpt %4, %bb.4, implicit-def $pc 33 J2_jump %bb.3, implicit-def $pc 34 35 bb.3: 36 successors: %bb.4 37 38 bb.4: 39 %5 = A2_tfrsi -234944521 40 %6 = A2_tfrsi -360185632 41 L4_and_memopw_io %6, 0, %5 42... 43