derek.holloway
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100 lines
4.7 KiB
LLVM
100 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn-- -mem-intrinsic-expand-size=3 %s -o - | FileCheck -check-prefix=LOOP %s
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; RUN: llc -global-isel -new-reg-bank-select -mtriple=amdgcn-- -mem-intrinsic-expand-size=5 %s -o - | FileCheck -check-prefix=UNROLL %s
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declare void @llvm.memmove.p1.p1.i32(ptr addrspace(1), ptr addrspace(1), i32, i1)
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define amdgpu_cs void @memmove_p1i8(ptr addrspace(1) %dst, ptr addrspace(1) %src) {
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; LOOP-LABEL: memmove_p1i8:
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; LOOP: ; %bb.0:
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; LOOP-NEXT: v_cmp_ge_u64_e32 vcc, v[2:3], v[0:1]
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; LOOP-NEXT: s_and_saveexec_b64 s[0:1], vcc
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; LOOP-NEXT: s_xor_b64 s[0:1], exec, s[0:1]
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; LOOP-NEXT: s_cbranch_execnz .LBB0_3
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; LOOP-NEXT: ; %bb.1: ; %Flow
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; LOOP-NEXT: s_andn2_saveexec_b64 s[0:1], s[0:1]
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; LOOP-NEXT: s_cbranch_execnz .LBB0_4
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; LOOP-NEXT: .LBB0_2: ; %memmove_done
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; LOOP-NEXT: s_endpgm
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; LOOP-NEXT: .LBB0_3:
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; LOOP-NEXT: s_mov_b32 s6, 0
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; LOOP-NEXT: s_mov_b32 s7, 0xf000
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; LOOP-NEXT: s_mov_b64 s[4:5], 0
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; LOOP-NEXT: buffer_load_ubyte v4, v[2:3], s[4:7], 0 addr64 offset:1
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; LOOP-NEXT: buffer_load_ubyte v5, v[2:3], s[4:7], 0 addr64 offset:3
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; LOOP-NEXT: buffer_load_ubyte v6, v[2:3], s[4:7], 0 addr64 offset:2
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; LOOP-NEXT: buffer_load_ubyte v2, v[2:3], s[4:7], 0 addr64
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; LOOP-NEXT: s_waitcnt vmcnt(3)
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; LOOP-NEXT: v_lshlrev_b32_e32 v3, 8, v4
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; LOOP-NEXT: s_waitcnt vmcnt(2)
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; LOOP-NEXT: v_lshlrev_b32_e32 v4, 24, v5
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; LOOP-NEXT: s_waitcnt vmcnt(1)
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; LOOP-NEXT: v_lshlrev_b32_e32 v5, 16, v6
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; LOOP-NEXT: s_waitcnt vmcnt(0)
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; LOOP-NEXT: v_or_b32_e32 v2, v3, v2
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; LOOP-NEXT: v_or_b32_e32 v3, v4, v5
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; LOOP-NEXT: v_or_b32_e32 v2, v3, v2
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; LOOP-NEXT: v_lshrrev_b32_e32 v3, 16, v2
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; LOOP-NEXT: v_bfe_u32 v4, v2, 8, 8
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; LOOP-NEXT: buffer_store_byte v2, v[0:1], s[4:7], 0 addr64
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; LOOP-NEXT: s_waitcnt expcnt(0)
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; LOOP-NEXT: v_lshrrev_b32_e32 v2, 24, v2
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; LOOP-NEXT: buffer_store_byte v4, v[0:1], s[4:7], 0 addr64 offset:1
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; LOOP-NEXT: buffer_store_byte v3, v[0:1], s[4:7], 0 addr64 offset:2
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; LOOP-NEXT: buffer_store_byte v2, v[0:1], s[4:7], 0 addr64 offset:3
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; LOOP-NEXT: ; implicit-def: $vgpr2_vgpr3
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; LOOP-NEXT: ; implicit-def: $vgpr0_vgpr1
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; LOOP-NEXT: s_andn2_saveexec_b64 s[0:1], s[0:1]
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; LOOP-NEXT: s_cbranch_execz .LBB0_2
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; LOOP-NEXT: .LBB0_4: ; %memmove_bwd_residual
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; LOOP-NEXT: s_mov_b32 s2, 0
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; LOOP-NEXT: s_mov_b32 s3, 0xf000
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; LOOP-NEXT: s_mov_b64 s[0:1], 0
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; LOOP-NEXT: s_waitcnt expcnt(2)
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; LOOP-NEXT: buffer_load_ubyte v4, v[2:3], s[0:3], 0 addr64 offset:1
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; LOOP-NEXT: buffer_load_ubyte v5, v[2:3], s[0:3], 0 addr64 offset:3
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; LOOP-NEXT: buffer_load_ubyte v6, v[2:3], s[0:3], 0 addr64 offset:2
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; LOOP-NEXT: s_waitcnt expcnt(0)
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; LOOP-NEXT: buffer_load_ubyte v2, v[2:3], s[0:3], 0 addr64
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; LOOP-NEXT: s_waitcnt vmcnt(3)
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; LOOP-NEXT: v_lshlrev_b32_e32 v3, 8, v4
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; LOOP-NEXT: s_waitcnt vmcnt(2)
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; LOOP-NEXT: v_lshlrev_b32_e32 v4, 24, v5
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; LOOP-NEXT: s_waitcnt vmcnt(1)
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; LOOP-NEXT: v_lshlrev_b32_e32 v5, 16, v6
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; LOOP-NEXT: s_waitcnt vmcnt(0)
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; LOOP-NEXT: v_or_b32_e32 v2, v3, v2
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; LOOP-NEXT: v_or_b32_e32 v3, v4, v5
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; LOOP-NEXT: v_or_b32_e32 v2, v3, v2
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; LOOP-NEXT: v_lshrrev_b32_e32 v3, 16, v2
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; LOOP-NEXT: v_bfe_u32 v4, v2, 8, 8
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; LOOP-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64
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; LOOP-NEXT: s_waitcnt expcnt(0)
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; LOOP-NEXT: v_lshrrev_b32_e32 v2, 24, v2
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; LOOP-NEXT: buffer_store_byte v4, v[0:1], s[0:3], 0 addr64 offset:1
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; LOOP-NEXT: buffer_store_byte v3, v[0:1], s[0:3], 0 addr64 offset:2
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; LOOP-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
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; LOOP-NEXT: s_endpgm
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;
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; UNROLL-LABEL: memmove_p1i8:
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; UNROLL: ; %bb.0:
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; UNROLL-NEXT: s_mov_b32 s2, 0
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; UNROLL-NEXT: s_mov_b32 s3, 0xf000
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; UNROLL-NEXT: s_mov_b64 s[0:1], 0
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; UNROLL-NEXT: buffer_load_ubyte v4, v[2:3], s[0:3], 0 addr64
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; UNROLL-NEXT: buffer_load_ubyte v5, v[2:3], s[0:3], 0 addr64 offset:1
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; UNROLL-NEXT: buffer_load_ubyte v6, v[2:3], s[0:3], 0 addr64 offset:2
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; UNROLL-NEXT: buffer_load_ubyte v2, v[2:3], s[0:3], 0 addr64 offset:3
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v4, v[0:1], s[0:3], 0 addr64
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v5, v[0:1], s[0:3], 0 addr64 offset:1
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v6, v[0:1], s[0:3], 0 addr64 offset:2
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; UNROLL-NEXT: s_waitcnt vmcnt(3)
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; UNROLL-NEXT: buffer_store_byte v2, v[0:1], s[0:3], 0 addr64 offset:3
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; UNROLL-NEXT: s_endpgm
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call void @llvm.memmove.p1.p1.i32(ptr addrspace(1) %dst, ptr addrspace(1) %src, i32 4, i1 false)
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ret void
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}
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