llvm/llvm/test/CodeGen/ARM/GlobalISel/arm-legalize-globals.mir

# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s
# RUN: llc -mtriple thumb-- -mattr=+v6t2 -run-pass=legalizer %s -o - | FileCheck %s
--- |
  @a_global = global i32 42
  define void @test_global_variable() { ret void }
...
---
name:            test_global_variable
# CHECK-LABEL: name: test_global_variable
legalized:       false
# CHECK: legalized: true
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
body:             |
  bb.0:
    liveins: $r0

    %0(s32) = COPY $r0
    %1(p0) = G_GLOBAL_VALUE @a_global
    ; G_GLOBAL_VALUE is legal, so we should find it unchanged in the output
    ; CHECK: {{%[0-9]+}}:_(p0) = G_GLOBAL_VALUE @a_global
    $r0 = COPY %1(p0)
    BX_RET 14, $noreg, implicit $r0

...