third_party/llvm-7.0/llvm/test/CodeGen/ARM/expand-pseudos.mir

# RUN: llc -run-pass=arm-pseudo -verify-machineinstrs %s -o - | FileCheck %s
--- |
  target triple = "armv7---gnueabi"

  define i32 @test1(i32 %x) {
  entry:
    unreachable
  }
  define i32 @test2(i32 %x) {
  entry:
    unreachable
  }
  define i32 @test3(i32 %x) {
  entry:
    unreachable
  }
...
---
name:            test1
alignment:       2
tracksRegLiveness: true
liveins:
  - { reg: '$r0', virtual-reg: '' }
body:             |
  bb.0.entry:
    liveins: $r0

    $r1 = MOVi 2, 14, $noreg, $noreg
    CMPri killed $r0, 0, 14, $noreg, implicit-def $cpsr
    $r1 = MOVCCi16 killed $r1, 500, 0, killed $cpsr
    $r0 = MOVr killed $r1, 14, $noreg, $noreg
    BX_RET 14, $noreg, implicit $r0

...
---
name:            test2
alignment:       2
tracksRegLiveness: true
liveins:
  - { reg: '$r0', virtual-reg: '' }
body:             |
  bb.0.entry:
    liveins: $r0

    $r1 = MOVi 2, 14, $noreg, $noreg
    CMPri killed $r0, 0, 14, $noreg, implicit-def $cpsr
    $r1 = MOVCCi32imm killed $r1, 500500500, 0, killed $cpsr
    $r0 = MOVr killed $r1, 14, $noreg, $noreg
    BX_RET 14, $noreg, implicit $r0

...
---
name:            test3
alignment:       2
tracksRegLiveness: true
liveins:
  - { reg: '$r0', virtual-reg: '' }
  - { reg: '$r1', virtual-reg: '' }
body:             |
  bb.0.entry:
    liveins: $r0, $r1

    CMPri $r1, 500, 14, $noreg, implicit-def $cpsr
    $r0 = MOVCCr killed $r0, killed $r1, 12, killed $cpsr
    BX_RET 14, $noreg, implicit $r0

...

# CHECK-LABEL: name: test1
# CHECK: $r1 = MOVi16 500, 0, killed $cpsr, implicit killed $r1
# CHECK-LABEL: name: test2
# CHECK:    $r1 = MOVi16 2068, 0, $cpsr, implicit killed $r1
# CHECK:    $r1 = MOVTi16 $r1, 7637, 0, $cpsr
# CHECK-LABEL: name: test3
# CHECK: $r0 = MOVr killed $r1, 12, killed $cpsr, $noreg, implicit killed $r0