legalize-uaddo.mir 1.31 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc %s -run-pass legalizer -march=arm64 -global-isel=1 -verify-machineinstrs -o - | FileCheck %s

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---
name:            legalize-uaddo
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $x0

    ; CHECK-LABEL: name: legalize-uaddo
    ; CHECK: liveins: $x0
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64)
    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]]
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
    ; CHECK: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[AND]], [[C1]]
    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[ADD]], [[C]]
    ; CHECK: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[ADD]](s32), [[AND1]]
    ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[ICMP]](s32)
    ; CHECK: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ANYEXT]], [[C2]]
    ; CHECK: $x0 = COPY [[AND2]](s64)
    ; CHECK: RET_ReallyLR implicit $x0
    %0:_(s64) = COPY $x0
    %4:_(s16) = G_CONSTANT i16 2
    %1:_(s16) = G_TRUNC %0(s64)
    %2:_(s16), %3:_(s1) = G_UADDO %1, %4
    %5:_(s64) = G_ZEXT %3(s1)
    $x0 = COPY %5(s64)
    RET_ReallyLR implicit $x0

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