test/CodeGen/AMDGPU/si-lower-sgpr-spills.mir

   1 # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s
   2
   3 # CHECK-LABEL: name: empty_entry_block
   4 # CHECK: V_WRITELANE
   5 # CHECK-NEXT: V_WRITELANE
   6 # CHECK-NEXT: V_WRITELANE
   7 # CHECK-NEXT: V_WRITELANE
   8 # CHECK: V_READLANE
   9 # CHECK-NEXT: V_READLANE
  10 # CHECK-NEXT: V_READLANE
  11 # CHECK-NEXT: V_READLANE
  12 ---
  13 name:            empty_entry_block
  14 body: |
  15   bb.0:
  16
  17   bb.1:
  18     renamable $sgpr36_sgpr37 = S_XOR_B64 renamable $vcc, -1, implicit-def dead $scc
  19     $sgpr34_sgpr35 = S_AND_SAVEEXEC_B64 $sgpr36_sgpr37, implicit-def $exec, implicit-def $scc, implicit $exec
  20     S_ENDPGM 0