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      1 # RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s
      2 
      3 # An incorrect assertion was triggered on this code, while attempting to
      4 # perform a valid transformation.
      5 
      6 # CHECK: PS_jmpret
      7 
      8 --- |
      9   define void @fred() { ret void }
     10 
     11   @array = global [1024 x i8] zeroinitializer, align 8
     12 ...
     13 
     14 ---
     15 name: fred
     16 tracksRegLiveness: true
     17 registers:
     18   - { id: 0, class: intregs }
     19   - { id: 1, class: intregs }
     20   - { id: 2, class: intregs }
     21   - { id: 3, class: predregs }
     22   - { id: 4, class: intregs }
     23   - { id: 5, class: intregs }
     24   - { id: 6, class: intregs }
     25   - { id: 7, class: intregs }
     26   - { id: 8, class: intregs }
     27   - { id: 9, class: intregs }
     28 
     29 body: |
     30   bb.0:
     31     liveins: $r0, $r1
     32       %0 = COPY $r1
     33       %1 = COPY $r0
     34       %2 = A2_tfrsi @array
     35       %3 = IMPLICIT_DEF
     36       %4 = A2_tfrsi @array+424
     37       %5 = M2_macsip %0, %1, 5
     38       %6 = A2_addi %2, 704
     39       %7 = A2_tfrsi 0
     40       S4_pstorerif_rr %3, %6, %5, 2, %7
     41       %8 = A2_tfrsi @array+144
     42       %9 = C2_mux %3, %4, %8
     43       S4_storeiri_io %9, 0, 0
     44       PS_jmpret $r31, implicit-def $pc
     45 ...
     46