regbank-extract.mir 737 Bytes
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-unknown-unknown -verify-machineinstrs -O0 -run-pass=regbankselect %s -o - | FileCheck %s
---
name:            extract_s64_s128
alignment:       4
legalized:       true
tracksRegLiveness: true
body:             |
  bb.1:
    liveins: $q0

    ; CHECK-LABEL: name: extract_s64_s128
    ; CHECK: liveins: $q0
    ; CHECK: [[COPY:%[0-9]+]]:fpr(s128) = COPY $q0
    ; CHECK: [[EXTRACT:%[0-9]+]]:fpr(s64) = G_EXTRACT [[COPY]](s128), 0
    ; CHECK: $d2 = COPY [[EXTRACT]](s64)
    ; CHECK: RET_ReallyLR implicit $d2
    %0:_(s128) = COPY $q0
    %1:_(s64) = G_EXTRACT %0(s128), 0
    $d2 = COPY %1(s64)
    RET_ReallyLR implicit $d2

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