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      1 # RUN: llc -march=hexagon -run-pass hexagon-cext-opt -hexagon-cext-threshold=1 -o - %s | FileCheck %s
      2 
      3 # Make sure that the stores to the stack slot are not converted into rr forms.
      4 # CHECK: %[[REG:[0-9]+]]:intregs = PS_fi %stack.0, 267
      5 # CHECK: S2_pstorerbt_io %{{[0-9]+}}, %[[REG]], 0
      6 # CHECK: S2_pstorerbt_io %{{[0-9]+}}, %[[REG]], 0
      7 
      8 ---
      9 name: fred
     10 stack:
     11   - { id: 0, type: default, size: 272, alignment: 4 }
     12 body: |
     13   bb.0:
     14     successors: %bb.1, %bb.2
     15 
     16     %0:intregs = IMPLICIT_DEF
     17     %1:intregs = L2_loadrub_io killed %0:intregs, 0 :: (load 1 from `i8* undef`, align 2)
     18     %2:predregs = C2_cmpeqi %1:intregs, 5
     19     %3:intregs = A2_tfrsi 0
     20     S2_pstorerbt_io %2:predregs, %stack.0, 267, killed %3:intregs :: (store 1 into %stack.0)
     21     J2_jumpt %2:predregs, %bb.2, implicit-def $pc
     22 
     23   bb.1:
     24     successors: %bb.2
     25 
     26     %4:predregs = C2_cmpeqi %1:intregs, 6
     27     %5:intregs = A2_tfrsi 2
     28     S2_pstorerbt_io %4:predregs, %stack.0, 267, killed %5:intregs :: (store 1 into %stack.0)
     29 
     30   bb.2:
     31     %6:intregs = A2_tfrsi 32968
     32     S2_storerh_io %stack.0, 0, killed %6:intregs :: (store 2 into %stack.0, align 4)
     33     PS_jmpret $r31, implicit-def dead $pc
     34 ...
     35 
     36