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|
# RUN: llc -march=amdgcn -mcpu=fiji -start-before=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck -check-prefix=SDWA %s
# RUN: llc -march=amdgcn -mcpu=gfx900 -start-before=si-peephole-sdwa -verify-machineinstrs -o - %s | FileCheck -check-prefix=SDWA %s
# SDWA-LABEL: {{^}}add_f16_u32_preserve
# SDWA: flat_load_dword [[FIRST:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: flat_load_dword [[SECOND:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: v_mul_f32_sdwa [[RES:v[0-9]+]], [[FIRST]], [[SECOND]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:BYTE_1 src1_sel:BYTE_3
# SDWA: v_add_f16_sdwa [[RES:v[0-9]+]], [[FIRST]], [[SECOND]] dst_sel:BYTE_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0 src1_sel:WORD_1
# SDWA: flat_store_dword v[{{[0-9]+}}:{{[0-9]+}}], [[RES]]
---
name: add_f16_u32_preserve
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vreg_64 }
- { id: 2, class: sreg_64 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: vgpr_32 }
- { id: 5, class: vgpr_32 }
- { id: 6, class: vgpr_32 }
- { id: 7, class: vgpr_32 }
- { id: 8, class: vgpr_32 }
- { id: 9, class: vgpr_32 }
- { id: 10, class: vgpr_32 }
- { id: 11, class: vgpr_32 }
- { id: 12, class: vgpr_32 }
- { id: 13, class: vgpr_32 }
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31
%2 = COPY $sgpr30_sgpr31
%1 = COPY $vgpr2_vgpr3
%0 = COPY $vgpr0_vgpr1
%3 = FLAT_LOAD_DWORD %0, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%4 = FLAT_LOAD_DWORD %1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%5 = V_AND_B32_e32 65535, %3, implicit $exec
%6 = V_LSHRREV_B32_e64 16, %4, implicit $exec
%7 = V_BFE_U32_e64 %3, 8, 8, implicit $exec
%8 = V_LSHRREV_B32_e32 24, %4, implicit $exec
%9 = V_ADD_F16_e64 0, %5, 0, %6, 0, 0, implicit $mode, implicit $exec
%10 = V_LSHLREV_B16_e64 8, %9, implicit $exec
%11 = V_MUL_F32_e64 0, %7, 0, %8, 0, 0, implicit $mode, implicit $exec
%12 = V_LSHLREV_B32_e64 16, %11, implicit $exec
%13 = V_OR_B32_e64 %10, %12, implicit $exec
FLAT_STORE_DWORD %0, %13, 0, 0, implicit $exec, implicit $flat_scr :: (store (s32))
$sgpr30_sgpr31 = COPY %2
S_SETPC_B64_return $sgpr30_sgpr31
---
# SDWA-LABEL: sdwa_preserve_keep
# SDWA: flat_load_dword [[FIRST:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: flat_load_dword [[SECOND:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: v_and_b32_e32 [[AND:v[0-9]+]], 0xff, [[FIRST]]
# SDWA: v_mov_b32_sdwa [[AND]], [[SECOND]] dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
# SDWA: flat_store_dword v[{{[0-9]+}}:{{[0-9]+}}], [[AND]]
name: sdwa_preserve_keep
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vreg_64 }
- { id: 2, class: sreg_64 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_32_xm0_xexec }
- { id: 6, class: vgpr_32 }
- { id: 7, class: vgpr_32 }
- { id: 8, class: sreg_32_xm0 }
- { id: 9, class: vgpr_32 }
- { id: 10, class: sreg_32_xm0 }
- { id: 11, class: vgpr_32 }
- { id: 17, class: vgpr_32 }
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31
%2 = COPY $sgpr30_sgpr31
%1 = COPY $vgpr2_vgpr3
%0 = COPY $vgpr0_vgpr1
%3 = FLAT_LOAD_DWORD %0, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%4 = FLAT_LOAD_DWORD %1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%9:vgpr_32 = V_LSHRREV_B16_e64 8, %3, implicit $exec
%10:sreg_32_xm0 = S_MOV_B32 255
%11:vgpr_32 = V_AND_B32_e64 %3, killed %10, implicit $exec
%17:vgpr_32 = V_MOV_B32_sdwa 0, %4, 0, 5, 2, 4, implicit $exec, implicit %11(tied-def 0)
FLAT_STORE_DWORD %0, %17, 0, 0, implicit $exec, implicit $flat_scr :: (store (s32))
S_ENDPGM 0
...
---
# SDWA-LABEL: sdwa_preserve_remove
# SDWA: flat_load_dword [[FIRST:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: flat_load_dword [[SECOND:v[0-9]+]], v[{{[0-9]+}}:{{[0-9]+}}]
# SDWA: v_mov_b32_sdwa [[FIRST]], [[SECOND]] dst_sel:WORD_1 dst_unused:UNUSED_PRESERVE src0_sel:WORD_0
# SDWA: flat_store_dword v[{{[0-9]+}}:{{[0-9]+}}], [[FIRST]]
name: sdwa_preserve_remove
tracksRegLiveness: true
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vreg_64 }
- { id: 2, class: sreg_64 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: vgpr_32 }
- { id: 5, class: sreg_32_xm0_xexec }
- { id: 6, class: vgpr_32 }
- { id: 7, class: vgpr_32 }
- { id: 8, class: sreg_32_xm0 }
- { id: 9, class: vgpr_32 }
- { id: 10, class: sreg_32_xm0 }
- { id: 11, class: vgpr_32 }
- { id: 17, class: vgpr_32 }
body: |
bb.0:
liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $sgpr30_sgpr31
%2 = COPY $sgpr30_sgpr31
%1 = COPY $vgpr2_vgpr3
%0 = COPY $vgpr0_vgpr1
%3 = FLAT_LOAD_DWORD %0, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%4 = FLAT_LOAD_DWORD %1, 0, 0, implicit $exec, implicit $flat_scr :: (load (s32))
%9:vgpr_32 = V_LSHRREV_B16_e64 8, %3, implicit $exec
%10:sreg_32_xm0 = S_MOV_B32 65535
%11:vgpr_32 = V_AND_B32_e64 %3, killed %10, implicit $exec
%17:vgpr_32 = V_MOV_B32_sdwa 0, %4, 0, 5, 2, 4, implicit $exec, implicit %11(tied-def 0)
FLAT_STORE_DWORD %0, %17, 0, 0, implicit $exec, implicit $flat_scr :: (store (s32))
S_ENDPGM 0
...
|
