test/CodeGen/AArch64/GlobalISel/legalize-ssube.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -verify-machineinstrs -run-pass=legalizer -debugify-and-strip-all-safe %s -o - | FileCheck %s

---
name:            widen_scalar_ssube_s8
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: widen_scalar_ssube_s8
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY2]](s64)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[TRUNC]], 8
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[TRUNC1]], 8
    ; CHECK: [[USUBE:%[0-9]+]]:_(s32), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[SEXT_INREG]], [[SEXT_INREG1]], %carry_in
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[USUBE]](s32)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[USUBE]](s32)
    ; CHECK: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 8
    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[USUBE]](s32), [[SEXT_INREG2]]
    ; CHECK: %sub:_(s8) = COPY [[TRUNC2]](s8)
    ; CHECK: %sub_ext:_(s64) = G_ANYEXT [[USUBE]](s32)
    ; CHECK: %carry_out_ext:_(s64) = G_ANYEXT [[ICMP]](s32)
    ; CHECK: $x0 = COPY %sub_ext(s64)
    ; CHECK: $x1 = COPY %carry_out_ext(s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %lhs:_(s8) = G_TRUNC %0
    %rhs:_(s8) = G_TRUNC %1
    %carry_in:_(s1) = G_TRUNC %2
    %sub:_(s8), %carry_out:_(s1) = G_SSUBE %lhs, %rhs, %carry_in
    %sub_ext:_(s64) = G_ANYEXT %sub
    %carry_out_ext:_(s64) = G_ANYEXT %carry_out
    $x0 = COPY %sub_ext
    $x1 = COPY %carry_out_ext

...
---
name:            test_scalar_ssube_32
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_ssube_32
    ; CHECK: %lhs:_(s32) = COPY $w0
    ; CHECK: %rhs:_(s32) = COPY $w1
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w2
    ; CHECK: %carry_in:_(s1) = G_TRUNC [[COPY]](s32)
    ; CHECK: %sub:_(s32), %carry_out:_(s1) = G_SSUBE %lhs, %rhs, %carry_in
    ; CHECK: %carry_out_ext:_(s32) = G_ANYEXT %carry_out(s1)
    ; CHECK: $w0 = COPY %sub(s32)
    ; CHECK: $w1 = COPY %carry_out_ext(s32)
    %lhs:_(s32) = COPY $w0
    %rhs:_(s32) = COPY $w1
    %2:_(s32) = COPY $w2
    %carry_in:_(s1) = G_TRUNC %2
    %sub:_(s32), %carry_out:_(s1) = G_SSUBE %lhs, %rhs, %carry_in
    %carry_out_ext:_(s32) = G_ANYEXT %carry_out
    $w0 = COPY %sub
    $w1 = COPY %carry_out_ext

...