test/CodeGen/AMDGPU/GlobalISel/llvm.memmove.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn-- -mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s
; RUN: llc -global-isel -mtriple=amdgcn-- -mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s

declare void @llvm.memmove.p1.p1.i32(ptr addrspace(1), ptr addrspace(1), i32, i1)

define amdgpu_cs void @memmove_p1i8(ptr addrspace(1) %dst, ptr addrspace(1) %src) {
; LOOP-LABEL: memmove_p1i8:
; LOOP:       ; %bb.0:
; LOOP-NEXT:    v_cmp_ge_u64_e32 vcc, v[2:3], v[0:1]
; LOOP-NEXT:    s_and_saveexec_b64 s[0:1], vcc
; LOOP-NEXT:    s_xor_b64 s[0:1], exec, s[0:1]
; LOOP-NEXT:    s_cbranch_execnz .LBB0_3
; LOOP-NEXT:  ; %bb.1: ; %Flow
; LOOP-NEXT:    s_andn2_saveexec_b64 s[0:1], s[0:1]
; LOOP-NEXT:    s_cbranch_execnz .LBB0_4
; LOOP-NEXT:  .LBB0_2: ; %memmove_done
; LOOP-NEXT:    s_endpgm
; LOOP-NEXT:  .LBB0_3:
; LOOP-NEXT:    s_mov_b32 s6, 0
; LOOP-NEXT:    s_mov_b32 s7, 0xf000
; LOOP-NEXT:    s_mov_b64 s[4:5], 0
; LOOP-NEXT:    buffer_load_ubyte v4, v[2:3], s[4:7], 0 addr64 offset:1
; LOOP-NEXT:    buffer_load_ubyte v5, v[2:3], s[4:7], 0 addr64 offset:3
; LOOP-NEXT:    buffer_load_ubyte v6, v[2:3], s[4:7], 0 addr64 offset:2
; LOOP-NEXT:    buffer_load_ubyte v2, v[2:3], s[4:7], 0 addr64
; LOOP-NEXT:    s_waitcnt vmcnt(3)
; LOOP-NEXT:    v_lshlrev_b32_e32 v3, 8, v4
; LOOP-NEXT:    s_waitcnt vmcnt(2)
; LOOP-NEXT:    v_lshlrev_b32_e32 v4, 24, v5
; LOOP-NEXT:    s_waitcnt vmcnt(1)
; LOOP-NEXT:    v_lshlrev_b32_e32 v5, 16, v6
; LOOP-NEXT:    s_waitcnt vmcnt(0)
; LOOP-NEXT:    v_or_b32_e32 v2, v3, v2
; LOOP-NEXT:    v_or_b32_e32 v3, v4, v5
; LOOP-NEXT:    v_or_b32_e32 v2, v3, v2
; LOOP-NEXT:    v_lshrrev_b32_e32 v3, 16, v2
; LOOP-NEXT:    v_bfe_u32 v4, v2, 8, 8
; LOOP-NEXT:    buffer_store_byte v2, v[0:1], s[4:7], 0 addr64
; LOOP-NEXT:    s_waitcnt expcnt(0)
; LOOP-NEXT:    v_lshrrev_b32_e32 v2, 24, v2
; LOOP-NEXT:    buffer_store_byte v4, v[0:1], s[4:7], 0 addr64 offset:1
; LOOP-NEXT:    buffer_store_byte v3, v[0:1], s[4:7], 0 addr64 offset:2
; LOOP-NEXT:    buffer_store_byte v2, v[0:1], s[4:7], 0 addr64 offset:3
; LOOP-NEXT:    ; implicit-def: $vgpr2_vgpr3
; LOOP-NEXT:    ; implicit-def: $vgpr0_vgpr1
; LOOP-NEXT:    s_andn2_saveexec_b64 s[0:1], s[0:1]
; LOOP-NEXT:    s_cbranch_execz .LBB0_2
; LOOP-NEXT:  .LBB0_4: ; %memmove_bwd_residual
; LOOP-NEXT:    s_mov_b32 s2, 0
; LOOP-NEXT:    s_mov_b32 s3, 0xf000
; LOOP-NEXT:    s_mov_b64 s[0:1], 0
; LOOP-NEXT:    s_waitcnt expcnt(2)
; LOOP-NEXT:    buffer_load_ubyte v4, v[2:3], s[0:3], 0 addr64 offset:1
; LOOP-NEXT:    buffer_load_ubyte v5, v[2:3], s[0:3], 0 addr64 offset:3
; LOOP-NEXT:    buffer_load_ubyte v6, v[2:3], s[0:3], 0 addr64 offset:2
; LOOP-NEXT:    s_waitcnt expcnt(0)
; LOOP-NEXT:    buffer_load_ubyte v2, v[2:3], s[0:3], 0 addr64
; LOOP-NEXT:    s_waitcnt vmcnt(3)
; LOOP-NEXT:    v_lshlrev_b32_e32 v3, 8, v4
; LOOP-NEXT:    s_waitcnt vmcnt(2)
; LOOP-NEXT:    v_lshlrev_b32_e32 v4, 24, v5
; LOOP-NEXT:    s_waitcnt vmcnt(1)
; LOOP-NEXT:    v_lshlrev_b32_e32 v5, 16, v6
; LOOP-NEXT:    s_waitcnt vmcnt(0)
; LOOP-NEXT:    v_or_b32_e32 v2, v3, v2
; LOOP-NEXT:    v_or_b32_e32 v3, v4, v5
; LOOP-NEXT:    v_or_b32_e32 v2, v3, v2
; LOOP-NEXT:    v_lshrrev_b32_e32 v3, 16, v2
; LOOP-NEXT:    v_bfe_u32 v4, v2, 8, 8
; LOOP-NEXT:    buffer_store_byte v2, v[0:1], s[0:3], 0 addr64
; LOOP-NEXT:    s_waitcnt expcnt(0)
; LOOP-NEXT:    v_lshrrev_b32_e32 v2, 24, v2
; LOOP-NEXT:    buffer_store_byte v4, v[0:1], s[0:3], 0 addr64 offset:1
; LOOP-NEXT:    buffer_store_byte v3, v[0:1], s[0:3], 0 addr64 offset:2
; LOOP-NEXT:    buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
; LOOP-NEXT:    s_endpgm
;
; UNROLL-LABEL: memmove_p1i8:
; UNROLL:       ; %bb.0:
; UNROLL-NEXT:    s_mov_b32 s2, 0
; UNROLL-NEXT:    s_mov_b32 s3, 0xf000
; UNROLL-NEXT:    s_mov_b64 s[0:1], 0
; UNROLL-NEXT:    buffer_load_ubyte v4, v[2:3], s[0:3], 0 addr64
; UNROLL-NEXT:    buffer_load_ubyte v5, v[2:3], s[0:3], 0 addr64 offset:1
; UNROLL-NEXT:    buffer_load_ubyte v6, v[2:3], s[0:3], 0 addr64 offset:2
; UNROLL-NEXT:    buffer_load_ubyte v2, v[2:3], s[0:3], 0 addr64 offset:3
; UNROLL-NEXT:    s_waitcnt vmcnt(3)
; UNROLL-NEXT:    buffer_store_byte v4, v[0:1], s[0:3], 0 addr64
; UNROLL-NEXT:    s_waitcnt vmcnt(3)
; UNROLL-NEXT:    buffer_store_byte v5, v[0:1], s[0:3], 0 addr64 offset:1
; UNROLL-NEXT:    s_waitcnt vmcnt(3)
; UNROLL-NEXT:    buffer_store_byte v6, v[0:1], s[0:3], 0 addr64 offset:2
; UNROLL-NEXT:    s_waitcnt vmcnt(3)
; UNROLL-NEXT:    buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
; UNROLL-NEXT:    s_endpgm
  call void @llvm.memmove.p1.p1.i32(ptr addrspace(1) %dst, ptr addrspace(1) %src, i32 4, i1 false)
  ret void
}