test/CodeGen/Mips/GlobalISel/legalizer/sub.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 @sub_i32() {entry: ret void}
  define void @sub_i8_sext() {entry: ret void}
  define void @sub_i8_zext() {entry: ret void}
  define void @sub_i8_aext() {entry: ret void}
  define void @sub_i16_sext() {entry: ret void}
  define void @sub_i16_zext() {entry: ret void}
  define void @sub_i16_aext() {entry: ret void}
  define void @sub_i64() {entry: ret void}
  define void @sub_i128() {entry: ret void}

...
---
name:            sub_i32
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i32
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[COPY1]]
    ; MIPS32-NEXT: $v0 = COPY [[SUB]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %0:_(s32) = COPY $a0
    %1:_(s32) = COPY $a1
    %2:_(s32) = G_SUB %0, %1
    $v0 = COPY %2(s32)
    RetRA implicit $v0

...
---
name:            sub_i8_sext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i8_sext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
    ; MIPS32-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[SUB]], [[C]](s32)
    ; MIPS32-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C]](s32)
    ; MIPS32-NEXT: $v0 = COPY [[ASHR]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s8) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s8) = G_TRUNC %3(s32)
    %4:_(s8) = G_SUB %1, %0
    %5:_(s32) = G_SEXT %4(s8)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i8_zext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i8_zext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; MIPS32-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[SUB]], [[C]]
    ; MIPS32-NEXT: $v0 = COPY [[AND]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s8) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s8) = G_TRUNC %3(s32)
    %4:_(s8) = G_SUB %1, %0
    %5:_(s32) = G_ZEXT %4(s8)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i8_aext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i8_aext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: $v0 = COPY [[SUB]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s8) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s8) = G_TRUNC %3(s32)
    %4:_(s8) = G_SUB %1, %0
    %5:_(s32) = G_ANYEXT %4(s8)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i16_sext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i16_sext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; MIPS32-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[SUB]], [[C]](s32)
    ; MIPS32-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C]](s32)
    ; MIPS32-NEXT: $v0 = COPY [[ASHR]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s16) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s16) = G_TRUNC %3(s32)
    %4:_(s16) = G_SUB %1, %0
    %5:_(s32) = G_SEXT %4(s16)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i16_zext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i16_zext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; MIPS32-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[SUB]], [[C]]
    ; MIPS32-NEXT: $v0 = COPY [[AND]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s16) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s16) = G_TRUNC %3(s32)
    %4:_(s16) = G_SUB %1, %0
    %5:_(s32) = G_ZEXT %4(s16)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i16_aext
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1

    ; MIPS32-LABEL: name: sub_i16_aext
    ; MIPS32: liveins: $a0, $a1
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY1]], [[COPY]]
    ; MIPS32-NEXT: $v0 = COPY [[SUB]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0
    %2:_(s32) = COPY $a0
    %0:_(s16) = G_TRUNC %2(s32)
    %3:_(s32) = COPY $a1
    %1:_(s16) = G_TRUNC %3(s32)
    %4:_(s16) = G_SUB %1, %0
    %5:_(s32) = G_ANYEXT %4(s16)
    $v0 = COPY %5(s32)
    RetRA implicit $v0

...
---
name:            sub_i64
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    liveins: $a0, $a1, $a2, $a3

    ; MIPS32-LABEL: name: sub_i64
    ; MIPS32: liveins: $a0, $a1, $a2, $a3
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $a2
    ; MIPS32-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $a3
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY3]], [[COPY1]]
    ; MIPS32-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[COPY3]](s32), [[COPY1]]
    ; MIPS32-NEXT: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[COPY2]], [[COPY]]
    ; MIPS32-NEXT: [[SUB2:%[0-9]+]]:_(s32) = G_SUB [[SUB1]], [[ICMP]]
    ; MIPS32-NEXT: $v0 = COPY [[SUB2]](s32)
    ; MIPS32-NEXT: $v1 = COPY [[SUB]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0, implicit $v1
    %2:_(s32) = COPY $a0
    %3:_(s32) = COPY $a1
    %0:_(s64) = G_MERGE_VALUES %3(s32), %2(s32)
    %4:_(s32) = COPY $a2
    %5:_(s32) = COPY $a3
    %1:_(s64) = G_MERGE_VALUES %5(s32), %4(s32)
    %6:_(s64) = G_SUB %1, %0
    %7:_(s32), %8:_(s32) = G_UNMERGE_VALUES %6(s64)
    $v0 = COPY %8(s32)
    $v1 = COPY %7(s32)
    RetRA implicit $v0, implicit $v1

...
---
name:            sub_i128
alignment:       4
tracksRegLiveness: true
fixedStack:
  - { id: 0, offset: 28, size: 4, alignment: 4, stack-id: default, isImmutable: true }
  - { id: 1, offset: 24, size: 4, alignment: 8, stack-id: default, isImmutable: true }
  - { id: 2, offset: 20, size: 4, alignment: 4, stack-id: default, isImmutable: true }
  - { id: 3, offset: 16, size: 4, alignment: 8, stack-id: default, isImmutable: true }
body:             |
  bb.1.entry:
    liveins: $a0, $a1, $a2, $a3

    ; MIPS32-LABEL: name: sub_i128
    ; MIPS32: liveins: $a0, $a1, $a2, $a3
    ; MIPS32-NEXT: {{  $}}
    ; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $a0
    ; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $a1
    ; MIPS32-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $a2
    ; MIPS32-NEXT: [[COPY3:%[0-9]+]]:_(s32) = COPY $a3
    ; MIPS32-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.0
    ; MIPS32-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (load (s32) from %fixed-stack.0, align 8)
    ; MIPS32-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.1
    ; MIPS32-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX1]](p0) :: (load (s32) from %fixed-stack.1)
    ; MIPS32-NEXT: [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.2
    ; MIPS32-NEXT: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX2]](p0) :: (load (s32) from %fixed-stack.2, align 8)
    ; MIPS32-NEXT: [[FRAME_INDEX3:%[0-9]+]]:_(p0) = G_FRAME_INDEX %fixed-stack.3
    ; MIPS32-NEXT: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX3]](p0) :: (load (s32) from %fixed-stack.3)
    ; MIPS32-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[LOAD]], [[COPY]]
    ; MIPS32-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ult), [[LOAD]](s32), [[COPY]]
    ; MIPS32-NEXT: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[LOAD1]], [[COPY1]]
    ; MIPS32-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[SUB1]](s32), [[LOAD1]]
    ; MIPS32-NEXT: [[SUB2:%[0-9]+]]:_(s32) = G_SUB [[SUB1]], [[ICMP]]
    ; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; MIPS32-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[SUB1]](s32), [[C]]
    ; MIPS32-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[ICMP2]], [[ICMP]]
    ; MIPS32-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[ICMP1]], [[AND]]
    ; MIPS32-NEXT: [[SUB3:%[0-9]+]]:_(s32) = G_SUB [[LOAD2]], [[COPY2]]
    ; MIPS32-NEXT: [[ICMP3:%[0-9]+]]:_(s32) = G_ICMP intpred(ugt), [[SUB3]](s32), [[LOAD2]]
    ; MIPS32-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
    ; MIPS32-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[OR]], [[C1]]
    ; MIPS32-NEXT: [[SUB4:%[0-9]+]]:_(s32) = G_SUB [[SUB3]], [[AND1]]
    ; MIPS32-NEXT: [[ICMP4:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[SUB3]](s32), [[C]]
    ; MIPS32-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[ICMP4]], [[OR]]
    ; MIPS32-NEXT: [[OR1:%[0-9]+]]:_(s32) = G_OR [[ICMP3]], [[AND2]]
    ; MIPS32-NEXT: [[SUB5:%[0-9]+]]:_(s32) = G_SUB [[LOAD3]], [[COPY3]]
    ; MIPS32-NEXT: [[AND3:%[0-9]+]]:_(s32) = G_AND [[OR1]], [[C1]]
    ; MIPS32-NEXT: [[SUB6:%[0-9]+]]:_(s32) = G_SUB [[SUB5]], [[AND3]]
    ; MIPS32-NEXT: $v0 = COPY [[SUB]](s32)
    ; MIPS32-NEXT: $v1 = COPY [[SUB2]](s32)
    ; MIPS32-NEXT: $a0 = COPY [[SUB4]](s32)
    ; MIPS32-NEXT: $a1 = COPY [[SUB6]](s32)
    ; MIPS32-NEXT: RetRA implicit $v0, implicit $v1, implicit $a0, implicit $a1
    %2:_(s32) = COPY $a0
    %3:_(s32) = COPY $a1
    %4:_(s32) = COPY $a2
    %5:_(s32) = COPY $a3
    %0:_(s128) = G_MERGE_VALUES %2(s32), %3(s32), %4(s32), %5(s32)
    %10:_(p0) = G_FRAME_INDEX %fixed-stack.3
    %6:_(s32) = G_LOAD %10(p0) :: (load (s32) from %fixed-stack.3, align 8)
    %11:_(p0) = G_FRAME_INDEX %fixed-stack.2
    %7:_(s32) = G_LOAD %11(p0) :: (load (s32) from %fixed-stack.2, align 4)
    %12:_(p0) = G_FRAME_INDEX %fixed-stack.1
    %8:_(s32) = G_LOAD %12(p0) :: (load (s32) from %fixed-stack.1, align 8)
    %13:_(p0) = G_FRAME_INDEX %fixed-stack.0
    %9:_(s32) = G_LOAD %13(p0) :: (load (s32) from %fixed-stack.0, align 4)
    %1:_(s128) = G_MERGE_VALUES %6(s32), %7(s32), %8(s32), %9(s32)
    %14:_(s128) = G_SUB %1, %0
    %15:_(s32), %16:_(s32), %17:_(s32), %18:_(s32) = G_UNMERGE_VALUES %14(s128)
    $v0 = COPY %15(s32)
    $v1 = COPY %16(s32)
    $a0 = COPY %17(s32)
    $a1 = COPY %18(s32)
    RetRA implicit $v0, implicit $v1, implicit $a0, implicit $a1

...