test/CodeGen/X86/GlobalISel/legalize-fpext-scalar.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL
--- |

  define double @test(float %a) {
  entry:
    %conv = fpext float %a to double
    ret double %conv
  }

...
---
name:            test
alignment:       4
legalized:       false
regBankSelected: false
registers:
  - { id: 0, class: _, preferred-register: '' }
  - { id: 1, class: _, preferred-register: '' }
  - { id: 2, class: _, preferred-register: '' }
  - { id: 3, class: _, preferred-register: '' }
body:             |
  bb.1.entry:
    liveins: $xmm0

    ; ALL-LABEL: name: test
    ; ALL: [[COPY:%[0-9]+]]:_(s128) = COPY $xmm0
    ; ALL: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s128)
    ; ALL: [[FPEXT:%[0-9]+]]:_(s64) = G_FPEXT [[TRUNC]](s32)
    ; ALL: [[ANYEXT:%[0-9]+]]:_(s128) = G_ANYEXT [[FPEXT]](s64)
    ; ALL: $xmm0 = COPY [[ANYEXT]](s128)
    ; ALL: RET 0, implicit $xmm0
    %1:_(s128) = COPY $xmm0
    %0:_(s32) = G_TRUNC %1(s128)
    %2:_(s64) = G_FPEXT %0(s32)
    %3:_(s128) = G_ANYEXT %2(s64)
    $xmm0 = COPY %3(s128)
    RET 0, implicit $xmm0

...