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

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=aarch64 -run-pass=legalizer %s -o - | FileCheck %s

---
name:            test_scalar_sub_big
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_big
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
    ; CHECK: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[COPY]], [[COPY2]]
    ; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY1]], [[COPY3]], [[USUBO1]]
    ; CHECK: $x0 = COPY [[USUBO]](s64)
    ; CHECK: $x1 = COPY [[USUBE]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %3:_(s64) = COPY $x3
    %4:_(s128) = G_MERGE_VALUES %0(s64), %1(s64)
    %5:_(s128) = G_MERGE_VALUES %2(s64), %3(s64)
    %6:_(s128) = G_SUB %4, %5
    %7:_(s64), %8:_(s64) = G_UNMERGE_VALUES %6(s128)
    $x0 = COPY %7(s64)
    $x1 = COPY %8(s64)

...
---
name:            test_scalar_sub_big_nonpow2
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_big_nonpow2
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK: [[COPY3:%[0-9]+]]:_(s64) = COPY $x3
    ; CHECK: [[USUBO:%[0-9]+]]:_(s64), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[COPY]], [[COPY1]]
    ; CHECK: [[USUBE:%[0-9]+]]:_(s64), [[USUBE1:%[0-9]+]]:_(s1) = G_USUBE [[COPY1]], [[COPY2]], [[USUBO1]]
    ; CHECK: [[USUBE2:%[0-9]+]]:_(s64), [[USUBE3:%[0-9]+]]:_(s1) = G_USUBE [[COPY2]], [[COPY3]], [[USUBE1]]
    ; CHECK: $x0 = COPY [[USUBO]](s64)
    ; CHECK: $x1 = COPY [[USUBE]](s64)
    ; CHECK: $x2 = COPY [[USUBE2]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %3:_(s64) = COPY $x3
    %4:_(s192) = G_MERGE_VALUES %0(s64), %1(s64), %2(s64)
    %5:_(s192) = G_MERGE_VALUES %1(s64), %2(s64), %3(s64)
    %6:_(s192) = G_SUB %4, %5
    %7:_(s64), %8:_(s64), %9:_(s64) = G_UNMERGE_VALUES %6(s192)
    $x0 = COPY %7(s64)
    $x1 = COPY %8(s64)
    $x2 = COPY %9(s64)

...
---
name:            test_scalar_sub_small
body:             |
  bb.0.entry:
    ; CHECK-LABEL: name: test_scalar_sub_small
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[TRUNC]], [[TRUNC1]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[SUB]](s32)
    ; CHECK: $x0 = COPY [[ANYEXT]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s8) = G_TRUNC %0(s64)
    %3:_(s8) = G_TRUNC %1(s64)
    %4:_(s8) = G_SUB %2, %3
    %5:_(s64) = G_ANYEXT %4(s8)
    $x0 = COPY %5(s64)

...