test/CodeGen/Mips/GlobalISel/legalizer/zext_and_sext.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |

  define void @zext() {entry: ret void}
  define void @sext() {entry: ret void}

...
---
name:            zext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: zext
    ; MIPS32: liveins: $a0
    ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; MIPS32: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[C]](s32)
    ; MIPS32: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[MV]](s64)
    ; MIPS32: $v0 = COPY [[UV]](s32)
    ; MIPS32: $v1 = COPY [[UV1]](s32)
    ; MIPS32: RetRA implicit $v0, implicit $v1
    %0:_(s32) = COPY $a0
    %1:_(s64) = G_ZEXT %0(s32)
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
    $v0 = COPY %2(s32)
    $v1 = COPY %3(s32)
    RetRA implicit $v0, implicit $v1

...
---
name:            sext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0

    ; MIPS32-LABEL: name: sext
    ; MIPS32: liveins: $a0
    ; MIPS32: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; MIPS32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; MIPS32: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; MIPS32: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[COPY1]](s32)
    ; MIPS32: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[COPY]](s32), [[ASHR]](s32)
    ; MIPS32: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[MV]](s64)
    ; MIPS32: $v0 = COPY [[UV]](s32)
    ; MIPS32: $v1 = COPY [[UV1]](s32)
    ; MIPS32: RetRA implicit $v0, implicit $v1
    %0:_(s32) = COPY $a0
    %1:_(s64) = G_SEXT %0(s32)
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %1(s64)
    $v0 = COPY %2(s32)
    $v1 = COPY %3(s32)
    RetRA implicit $v0, implicit $v1

...