llvm/test/CodeGen/AArch64/GlobalISel/select-extract.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -mtriple=aarch64-unknown-unknown -verify-machineinstrs -O0 -run-pass=instruction-select %s -o - | FileCheck %s
   3 ...
   4 ---
   5 name:            extract_64_128
   6 legalized:       true
   7 regBankSelected: true
   8 tracksRegLiveness: true
   9 body:             |
  10   bb.0:
  11     liveins: $q0
  12
  13     ; CHECK-LABEL: name: extract_64_128
  14     ; CHECK: liveins: $q0
  15     ; CHECK-NEXT: {{  $}}
  16     ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr128 = COPY $q0
  17     ; CHECK-NEXT: [[COPY1:%[0-9]+]]:fpr64 = COPY [[COPY]].dsub
  18     ; CHECK-NEXT: [[DUPi64_:%[0-9]+]]:fpr64 = DUPi64 [[COPY]], 1
  19     ; CHECK-NEXT: $d3 = COPY [[COPY1]]
  20     ; CHECK-NEXT: $d4 = COPY [[DUPi64_]]
  21     ; CHECK-NEXT: RET_ReallyLR implicit $d3
  22     %0:fpr(s128) = COPY $q0
  23     %2:fpr(s64) = G_EXTRACT %0(s128), 0
  24     %3:fpr(s64) = G_EXTRACT %0(s128), 64
  25     $d3 = COPY %2(s64)
  26     $d4 = COPY %3(s64)
  27     RET_ReallyLR implicit $d3
  28
  29 ...