llvm/llvm/test/CodeGen/AArch64/GlobalISel/legalize-ssubsat.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -run-pass=legalizer -verify-machineinstrs -global-isel-abort=0 %s -o - | FileCheck %s

...
---
name:            s32
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1
    ; CHECK-LABEL: name: s32
    ; CHECK: liveins: $w0, $w1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %x:_(s32) = COPY $w0
    ; CHECK-NEXT: %y:_(s32) = COPY $w1
    ; CHECK-NEXT: [[SSUBO:%[0-9]+]]:_(s32), [[SSUBO1:%[0-9]+]]:_(s32) = G_SSUBO %x, %y
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 31
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SSUBO]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -2147483648
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: %ssubsat:_(s32) = G_SELECT [[SSUBO1]](s32), [[ADD]], [[SSUBO]]
    ; CHECK-NEXT: $w0 = COPY %ssubsat(s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %x:_(s32) = COPY $w0
    %y:_(s32) = COPY $w1
    %ssubsat:_(s32) = G_SSUBSAT %x, %y
    $w0 = COPY %ssubsat(s32)
    RET_ReallyLR implicit $w0

...
---
name:            s64
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0, $x1
    ; CHECK-LABEL: name: s64
    ; CHECK: liveins: $x0, $x1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %x:_(s64) = COPY $x0
    ; CHECK-NEXT: %y:_(s64) = COPY $x1
    ; CHECK-NEXT: [[SSUBO:%[0-9]+]]:_(s64), [[SSUBO1:%[0-9]+]]:_(s32) = G_SSUBO %x, %y
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 63
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SSUBO]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 -9223372036854775808
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: %ssubsat:_(s64) = G_SELECT [[SSUBO1]](s32), [[ADD]], [[SSUBO]]
    ; CHECK-NEXT: $x0 = COPY %ssubsat(s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %x:_(s64) = COPY $x0
    %y:_(s64) = COPY $x1
    %ssubsat:_(s64) = G_SSUBSAT %x, %y
    $x0 = COPY %ssubsat(s64)
    RET_ReallyLR implicit $x0

...
---
name:            s16
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1, $w2

    ; CHECK-LABEL: name: s16
    ; CHECK: liveins: $w0, $w1, $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %copy_1:_(s32) = COPY $w0
    ; CHECK-NEXT: %copy_2:_(s32) = COPY $w1
    ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_1, 16
    ; CHECK-NEXT: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_2, 16
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SEXT_INREG]], [[SEXT_INREG1]]
    ; CHECK-NEXT: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[SUB]], 16
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[SEXT_INREG2]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 15
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -32768
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s32), [[ADD]], [[SUB]]
    ; CHECK-NEXT: $w0 = COPY [[SELECT]](s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %copy_1:_(s32) = COPY $w0
    %x:_(s16) = G_TRUNC %copy_1(s32)
    %copy_2:_(s32) = COPY $w1
    %y:_(s16) = G_TRUNC %copy_2(s32)
    %ssubsat:_(s16) = G_SSUBSAT %x, %y
    %ext:_(s32) = G_ANYEXT %ssubsat(s16)
    $w0 = COPY %ext(s32)
    RET_ReallyLR implicit $w0

...
---
name:            s1
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1, $w2

    ; CHECK-LABEL: name: s1
    ; CHECK: liveins: $w0, $w1, $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %copy_1:_(s32) = COPY $w0
    ; CHECK-NEXT: %copy_2:_(s32) = COPY $w1
    ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_1, 1
    ; CHECK-NEXT: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_2, 1
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SEXT_INREG]], [[SEXT_INREG1]]
    ; CHECK-NEXT: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[SUB]], 1
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[SEXT_INREG2]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s32), [[ADD]], [[SUB]]
    ; CHECK-NEXT: $w0 = COPY [[SELECT]](s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %copy_1:_(s32) = COPY $w0
    %x:_(s1) = G_TRUNC %copy_1(s32)
    %copy_2:_(s32) = COPY $w1
    %y:_(s1) = G_TRUNC %copy_2(s32)
    %ssubsat:_(s1) = G_SSUBSAT %x, %y
    %ext:_(s32) = G_ANYEXT %ssubsat(s1)
    $w0 = COPY %ext(s32)
    RET_ReallyLR implicit $w0

...
---
name:            s3
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w0, $w1, $w2

    ; CHECK-LABEL: name: s3
    ; CHECK: liveins: $w0, $w1, $w2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %copy_1:_(s32) = COPY $w0
    ; CHECK-NEXT: %copy_2:_(s32) = COPY $w1
    ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_1, 3
    ; CHECK-NEXT: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG %copy_2, 3
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[SEXT_INREG]], [[SEXT_INREG1]]
    ; CHECK-NEXT: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[SUB]], 3
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s32), [[SEXT_INREG2]]
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[COPY]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s32), [[ADD]], [[SUB]]
    ; CHECK-NEXT: $w0 = COPY [[SELECT]](s32)
    ; CHECK-NEXT: RET_ReallyLR implicit $w0
    %copy_1:_(s32) = COPY $w0
    %x:_(s3) = G_TRUNC %copy_1(s32)
    %copy_2:_(s32) = COPY $w1
    %y:_(s3) = G_TRUNC %copy_2(s32)
    %ssubsat:_(s3) = G_SSUBSAT %x, %y
    %ext:_(s32) = G_ANYEXT %ssubsat(s3)
    $w0 = COPY %ext(s32)
    RET_ReallyLR implicit $w0

...
---
name:            s36
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x0, $x1

    ; CHECK-LABEL: name: s36
    ; CHECK: liveins: $x0, $x1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %copy_1:_(s64) = COPY $x0
    ; CHECK-NEXT: %copy_2:_(s64) = COPY $x1
    ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG %copy_1, 36
    ; CHECK-NEXT: [[SEXT_INREG1:%[0-9]+]]:_(s64) = G_SEXT_INREG %copy_2, 36
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s64) = G_SUB [[SEXT_INREG]], [[SEXT_INREG1]]
    ; CHECK-NEXT: [[SEXT_INREG2:%[0-9]+]]:_(s64) = G_SEXT_INREG [[SUB]], 36
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SUB]](s64), [[SEXT_INREG2]]
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 35
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY [[SEXT_INREG2]](s64)
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[COPY]], [[C]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 34359738368
    ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[ASHR]], [[C1]]
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[ICMP]](s32), [[ADD]], [[SUB]]
    ; CHECK-NEXT: $x0 = COPY [[SELECT]](s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %copy_1:_(s64) = COPY $x0
    %x:_(s36) = G_TRUNC %copy_1(s64)
    %copy_2:_(s64) = COPY $x1
    %y:_(s36) = G_TRUNC %copy_2(s64)
    %ssubsat:_(s36) = G_SSUBSAT %x, %y
    %ext:_(s64) = G_ANYEXT %ssubsat(s36)
    $x0 = COPY %ext(s64)
    RET_ReallyLR implicit $x0

...
---
name:            s88
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $q0, $q1, $x0
    ; CHECK-LABEL: name: s88
    ; CHECK: liveins: $q0, $q1, $x0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %copy_1:_(s128) = COPY $q0
    ; CHECK-NEXT: %copy_2:_(s128) = COPY $q1
    ; CHECK-NEXT: [[EXTRACT:%[0-9]+]]:_(s64) = G_EXTRACT %copy_1(s128), 0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES %copy_1(s128)
    ; CHECK-NEXT: [[EXTRACT1:%[0-9]+]]:_(s64) = G_EXTRACT %copy_2(s128), 0
    ; CHECK-NEXT: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES %copy_2(s128)
    ; CHECK-NEXT: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s32) = G_USUBO [[EXTRACT]], [[EXTRACT1]]
    ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
    ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[TRUNC]], 24
    ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV3]](s64)
    ; CHECK-NEXT: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[TRUNC1]], 24
    ; CHECK-NEXT: [[USUBE:%[0-9]+]]:_(s32), [[USUBE1:%[0-9]+]]:_(s32) = G_USUBE [[SEXT_INREG]], [[SEXT_INREG1]], [[USUBO1]]
    ; CHECK-NEXT: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[USUBE]], 24
    ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[USUBE]](s32), [[SEXT_INREG2]]
    ; CHECK-NEXT: [[UV4:%[0-9]+]]:_(s8), [[UV5:%[0-9]+]]:_(s8), [[UV6:%[0-9]+]]:_(s8), [[UV7:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[USUBE]](s32)
    ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s8) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
    ; CHECK-NEXT: [[UV8:%[0-9]+]]:_(s8), [[UV9:%[0-9]+]]:_(s8), [[UV10:%[0-9]+]]:_(s8), [[UV11:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[DEF1]](s32)
    ; CHECK-NEXT: [[MV:%[0-9]+]]:_(s32) = G_MERGE_VALUES [[UV4]](s8), [[UV5]](s8), [[UV6]](s8), [[DEF]](s8)
    ; CHECK-NEXT: [[MV1:%[0-9]+]]:_(s32) = G_MERGE_VALUES [[UV8]](s8), [[UV9]](s8), [[UV10]](s8), [[UV8]](s8)
    ; CHECK-NEXT: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[MV]](s32), [[MV1]](s32)
    ; CHECK-NEXT: [[SEXT_INREG3:%[0-9]+]]:_(s64) = G_SEXT_INREG [[MV2]], 24
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 23
    ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG3]], [[C1]](s64)
    ; CHECK-NEXT: [[UADDO:%[0-9]+]]:_(s64), [[UADDO1:%[0-9]+]]:_(s32) = G_UADDO [[ASHR]], [[C]]
    ; CHECK-NEXT: [[SELECT:%[0-9]+]]:_(s64) = G_SELECT [[ICMP]](s32), [[UADDO]], [[USUBO]]
    ; CHECK-NEXT: $x0 = COPY [[SELECT]](s64)
    ; CHECK-NEXT: RET_ReallyLR implicit $x0
    %copy_1:_(s128) = COPY $q0
    %x:_(s88) = G_TRUNC %copy_1(s128)
    %copy_2:_(s128) = COPY $q1
    %y:_(s88) = G_TRUNC %copy_2(s128)
    %ssubsat:_(s88) = G_SSUBSAT %x, %y
    %trunc:_(s64) = G_TRUNC %ssubsat(s88)
    $x0 = COPY %trunc(s64)
    RET_ReallyLR implicit $x0