llvm/llvm/test/CodeGen/ARM/constant-island-SOImm-limit16.mir

# RUN: sed -e "s/SPACEBYTES/100/g" %s | sed -e "s/OFFSET/116/g" > %t.mir
# RUN: llc %t.mir --filetype=obj -start-before=arm-cp-islands -o - | \
# RUN: llvm-objdump --arch=armv8a --disassemble - | FileCheck %t.mir

# RUN: sed -e "s/SPACEBYTES/400/g" %s | sed -e "s/OFFSET/12/g" > %t.mir
# RUN: llc %t.mir --filetype=obj -start-before=arm-cp-islands -o - | \
# RUN: llvm-objdump --arch=armv8a --disassemble - | FileCheck %t.mir

# RUN: sed -e "s/SPACEBYTES/800/g" %s | sed -e "s/OFFSET/12/g" > %t.mir
# RUN: llc %t.mir --filetype=obj -start-before=arm-cp-islands -o - | \
# RUN: llvm-objdump --arch=armv8a --disassemble - | FileCheck %t.mir

--- |
  target triple = "armv8.2a-arm-none-eabi"

  define dso_local i32 @main() #0 { ret i32 0 }

  attributes #0 = { "frame-pointer"="all" } !4 = !{i32 210}

...
---

name:            main
alignment:       4
tracksRegLiveness: true
constants:

-
 id:              0
 value:           half 0xH5440
 alignment:       2
-
 id:              1
 value:           half 0xH5441
 alignment:       2

machineFunctionInfo: {}
body:             |

  bb.0 (%ir-block.0):
    liveins: $lr

    $sp = frame-setup STMDB_UPD $sp, 14, $noreg, killed $r11, killed $lr
    $r11 = frame-setup MOVr killed $sp, 14, $noreg, $noreg
    $sp = frame-setup SUBri killed $sp, 80, 14, $noreg, $noreg

    ; Test handling of 16-bit constant pool entries.
    ; 2 consecutive entries: 1 is 4-byte aligned, 1 is not 4-byte aligned.

    renamable $r1 = LEApcrel %const.0, 14, $noreg
    renamable $r1 = LDRH killed renamable $r1, $noreg, 0, 14, $noreg :: (load (s16) from constant-pool)
    renamable $r1 = LEApcrel %const.1, 14, $noreg
    renamable $r1 = LDRH killed renamable $r1, $noreg, 0, 14, $noreg :: (load (s16) from constant-pool)

    renamable $r0 = SPACE SPACEBYTES, undef renamable $r0

    $sp = frame-destroy MOVr $r11, 14, $noreg, $noreg
    $sp = frame-destroy LDMIA_RET $sp, 14, $noreg, def $r11, def $pc, implicit killed $r0

 # CHECK: add r1, pc, #OFFSET
---
...