test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir

# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
  define void @test_inttoptr_s32() { ret void }
  define void @test_ptrtoint_s32() { ret void }
...
---
name:            test_inttoptr_s32
# CHECK-LABEL: name: test_inttoptr_s32
legalized:       true
regBankSelected: true
selected:        false
# CHECK: selected: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    %0(s32) = COPY $r0
    %1(p0) = G_INTTOPTR %0(s32)
    ; CHECK: [[INT:%[0-9]+]]:gpr = COPY $r0

    $r0 = COPY %1(p0)
    ; CHECK: $r0 = COPY [[INT]]

    BX_RET 14, $noreg, implicit $r0
...
---
name:            test_ptrtoint_s32
# CHECK-LABEL: name: test_ptrtoint_s32
legalized:       true
regBankSelected: true
selected:        false
# CHECK: selected: true
registers:
  - { id: 0, class: gprb }
  - { id: 1, class: gprb }
body:             |
  bb.0:
    liveins: $r0

    %0(p0) = COPY $r0
    %1(s32) = G_PTRTOINT %0(p0)
    ; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0

    $r0 = COPY %1(s32)
    ; CHECK: $r0 = COPY [[PTR]]

    BX_RET 14, $noreg, implicit $r0
...