641ab6ef83
In machine copy propagation pass, do not propagate the subregister copy if the subreg is artificial
37 lines
1.9 KiB
YAML
37 lines
1.9 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
|
|
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -mattr=+real-true16 -run-pass=machine-cp -o - %s | FileCheck -check-prefixes=CHECK %s
|
|
|
|
# vgpr2_hi16 should not fold into sgpr4_hi16
|
|
---
|
|
name: test_machine_copy
|
|
alignment: 1
|
|
tracksRegLiveness: true
|
|
machineFunctionInfo:
|
|
isEntryFunction: true
|
|
body: |
|
|
bb.0:
|
|
liveins: $vgpr0, $sgpr4_sgpr5
|
|
; CHECK-LABEL: name: test_machine_copy
|
|
; CHECK: liveins: $vgpr0, $sgpr4_sgpr5
|
|
; CHECK-NEXT: {{ $}}
|
|
; CHECK-NEXT: $sgpr0_sgpr1_sgpr2_sgpr3 = S_LOAD_DWORDX4_IMM renamable $sgpr4_sgpr5, 0, 0
|
|
; CHECK-NEXT: $vgpr0 = V_AND_B32_e64 1023, killed $vgpr0, implicit $exec
|
|
; CHECK-NEXT: $vgpr0 = nuw nsw V_LSHLREV_B32_e64 2, killed $vgpr0, implicit $exec
|
|
; CHECK-NEXT: $sgpr4 = S_LOAD_DWORD_IMM killed renamable $sgpr4_sgpr5, 16, 0
|
|
; CHECK-NEXT: $vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr0, 0, 0, implicit $exec
|
|
; CHECK-NEXT: $vgpr2 = COPY killed renamable $sgpr4
|
|
; CHECK-NEXT: $vgpr1_lo16 = COPY killed renamable $vgpr2_hi16
|
|
; CHECK-NEXT: GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr1, killed renamable $sgpr0_sgpr1, 0, 0, implicit $exec
|
|
; CHECK-NEXT: S_ENDPGM 0
|
|
$sgpr0_sgpr1_sgpr2_sgpr3 = S_LOAD_DWORDX4_IMM renamable $sgpr4_sgpr5, 0, 0
|
|
$vgpr0 = V_AND_B32_e64 1023, killed $vgpr0, implicit $exec
|
|
$vgpr0 = nuw nsw V_LSHLREV_B32_e64 2, killed $vgpr0, implicit $exec
|
|
$sgpr4 = S_LOAD_DWORD_IMM killed renamable $sgpr4_sgpr5, 16, 0
|
|
$vgpr1 = GLOBAL_LOAD_DWORD_SADDR renamable $sgpr2_sgpr3, renamable $vgpr0, 0, 0, implicit $exec
|
|
$vgpr2 = COPY killed renamable $sgpr4
|
|
$vgpr1_lo16 = COPY killed renamable $vgpr2_hi16
|
|
GLOBAL_STORE_DWORD_SADDR killed renamable $vgpr0, killed renamable $vgpr1, killed renamable $sgpr0_sgpr1, 0, 0, implicit $exec
|
|
S_ENDPGM 0
|
|
...
|
|
|