third_party/llvm-7.0/llvm/test/CodeGen/AMDGPU/fmul.f16.ll

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI,SIVI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,VI,GFX89,SIVI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GFX9,GFX89 %s

; GCN-LABEL: {{^}}fmul_f16
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
; GCN: buffer_load_ushort v[[B_F16:[0-9]+]]
; SI:  v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]]
; SI:  v_cvt_f32_f16_e32 v[[B_F32:[0-9]+]], v[[B_F16]]
; SI:  v_mul_f32_e32 v[[R_F32:[0-9]+]], v[[A_F32]], v[[B_F32]]
; SI:  v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
; GFX89: v_mul_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]], v[[B_F16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_f16(
    half addrspace(1)* %r,
    half addrspace(1)* %a,
    half addrspace(1)* %b) {
entry:
  %a.val = load volatile half, half addrspace(1)* %a
  %b.val = load volatile half, half addrspace(1)* %b
  %r.val = fmul half %a.val, %b.val
  store half %r.val, half addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_f16_imm_a
; GCN: buffer_load_ushort v[[B_F16:[0-9]+]]
; SI:  v_cvt_f32_f16_e32 v[[B_F32:[0-9]+]], v[[B_F16]]
; SI:  v_mul_f32_e32 v[[R_F32:[0-9]+]], 0x40400000, v[[B_F32]]
; SI:  v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]
; GFX89: v_mul_f16_e32 v[[R_F16:[0-9]+]], 0x4200, v[[B_F16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_f16_imm_a(
    half addrspace(1)* %r,
    half addrspace(1)* %b) {
entry:
  %b.val = load volatile half, half addrspace(1)* %b
  %r.val = fmul half 3.0, %b.val
  store half %r.val, half addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_f16_imm_b
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
; SI:  v_cvt_f32_f16_e32 v[[A_F32:[0-9]+]], v[[A_F16]]
; SI:  v_mul_f32_e32 v[[R_F32:[0-9]+]], 4.0, v[[A_F32]]
; SI:  v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[R_F32]]

; GFX89: v_mul_f16_e32 v[[R_F16:[0-9]+]], 4.0, v[[A_F16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_f16_imm_b(
    half addrspace(1)* %r,
    half addrspace(1)* %a) {
entry:
  %a.val = load volatile half, half addrspace(1)* %a
  %r.val = fmul half %a.val, 4.0
  store half %r.val, half addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_v2f16:
; SIVI: buffer_load_dword v[[B_V2_F16:[0-9]+]]
; SIVI: buffer_load_dword v[[A_V2_F16:[0-9]+]]

; SI-DAG:  v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]]
; SI-DAG: v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[B_F32_0:[0-9]+]], v[[B_V2_F16]]
; SI-DAG: v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[B_F32_1:[0-9]+]], v[[B_F16_1]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_0:[0-9]+]], v[[A_F32_0]], v[[B_F32_0]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_1:[0-9]+]], v[[A_F32_1]], v[[B_F32_1]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]
; SI-DAG:  v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
; SI:  v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_0]],  v[[R_F16_HI]]

; VI-DAG: v_mul_f16_e32 v[[R_F16_LO:[0-9]+]], v[[A_V2_F16]], v[[B_V2_F16]]
; VI-DAG: v_mul_f16_sdwa v[[R_F16_HI:[0-9]+]], v[[A_V2_F16]], v[[B_V2_F16]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; VI: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_LO]], v[[R_F16_HI]]

; GFX9: buffer_load_dword v[[A_V2_F16:[0-9]+]]
; GFX9: buffer_load_dword v[[B_V2_F16:[0-9]+]]
; GFX9: v_pk_mul_f16 v[[R_V2_F16:[0-9]+]], v[[A_V2_F16]], v[[B_V2_F16]]

; GCN: buffer_store_dword v[[R_V2_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_v2f16(
    <2 x half> addrspace(1)* %r,
    <2 x half> addrspace(1)* %a,
    <2 x half> addrspace(1)* %b) {
entry:
  %a.val = load <2 x half>, <2 x half> addrspace(1)* %a
  %b.val = load <2 x half>, <2 x half> addrspace(1)* %b
  %r.val = fmul <2 x half> %a.val, %b.val
  store <2 x half> %r.val, <2 x half> addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_v2f16_imm_a:
; GCN-DAG: buffer_load_dword v[[B_V2_F16:[0-9]+]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[B_F32_0:[0-9]+]], v[[B_V2_F16]]
; SI-DAG:  v_lshrrev_b32_e32 v[[B_F16_1:[0-9]+]], 16, v[[B_V2_F16]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[B_F32_1:[0-9]+]], v[[B_F16_1]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_0:[0-9]+]], 0x40400000, v[[B_F32_0]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_1:[0-9]+]], 4.0, v[[B_F32_1]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]


; VI-DAG:  v_mov_b32_e32 v[[CONST4:[0-9]+]], 0x4400
; VI-DAG:  v_mul_f16_sdwa v[[R_F16_HI:[0-9]+]], v[[B_V2_F16]], v[[CONST4]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
; VI-DAG:  v_mul_f16_e32 v[[R_F16_0:[0-9]+]], 0x4200, v[[B_V2_F16]]

; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x44004200
; GFX9: v_pk_mul_f16 v[[R_V2_F16:[0-9]+]], v[[B_V2_F16]], [[K]]

; SI-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
; SIVI: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_0]], v[[R_F16_HI]]

; GCN: buffer_store_dword v[[R_V2_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_v2f16_imm_a(
    <2 x half> addrspace(1)* %r,
    <2 x half> addrspace(1)* %b) {
entry:
  %b.val = load <2 x half>, <2 x half> addrspace(1)* %b
  %r.val = fmul <2 x half> <half 3.0, half 4.0>, %b.val
  store <2 x half> %r.val, <2 x half> addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_v2f16_imm_b:
; GCN-DAG: buffer_load_dword v[[A_V2_F16:[0-9]+]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[A_F32_0:[0-9]+]], v[[A_V2_F16]]
; SI-DAG:  v_lshrrev_b32_e32 v[[A_F16_1:[0-9]+]], 16, v[[A_V2_F16]]
; SI-DAG:  v_cvt_f32_f16_e32 v[[A_F32_1:[0-9]+]], v[[A_F16_1]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_0:[0-9]+]], 4.0, v[[A_F32_0]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_0:[0-9]+]], v[[R_F32_0]]
; SI-DAG:  v_mul_f32_e32 v[[R_F32_1:[0-9]+]], 0x40400000, v[[A_F32_1]]
; SI-DAG:  v_cvt_f16_f32_e32 v[[R_F16_1:[0-9]+]], v[[R_F32_1]]

; VI-DAG:  v_mov_b32_e32 v[[CONST3:[0-9]+]], 0x4200
; VI-DAG:  v_mul_f16_sdwa v[[R_F16_HI:[0-9]+]], v[[A_V2_F16]], v[[CONST3]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
; VI-DAG:  v_mul_f16_e32 v[[R_F16_0:[0-9]+]], 4.0, v[[A_V2_F16]]

; GFX9: s_mov_b32 [[K:s[0-9]+]], 0x42004400
; GFX9: v_pk_mul_f16 v[[R_V2_F16:[0-9]+]], v[[A_V2_F16]], [[K]]

; SI-DAG: v_lshlrev_b32_e32 v[[R_F16_HI:[0-9]+]], 16, v[[R_F16_1]]
; SIVI: v_or_b32_e32 v[[R_V2_F16:[0-9]+]], v[[R_F16_0]], v[[R_F16_HI]]

; GCN: buffer_store_dword v[[R_V2_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @fmul_v2f16_imm_b(
    <2 x half> addrspace(1)* %r,
    <2 x half> addrspace(1)* %a) {
entry:
  %a.val = load <2 x half>, <2 x half> addrspace(1)* %a
  %r.val = fmul <2 x half> %a.val, <half 4.0, half 3.0>
  store <2 x half> %r.val, <2 x half> addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_v4f16:
; GFX9: buffer_load_dwordx2 v{{\[}}[[B_LO:[0-9]+]]:[[B_HI:[0-9]+]]{{\]}}
; GFX9: buffer_load_dwordx2 v{{\[}}[[A_LO:[0-9]+]]:[[A_HI:[0-9]+]]{{\]}}

; GFX9-DAG: v_pk_mul_f16 v[[MUL_LO:[0-9]+]], v[[A_LO]], v[[B_LO]]
; GFX9-DAG: v_pk_mul_f16 v[[MUL_HI:[0-9]+]], v[[A_HI]], v[[B_HI]]
; GFX9: buffer_store_dwordx2 v{{\[}}[[MUL_LO]]:[[MUL_HI]]{{\]}}

; VI: buffer_load_dwordx2 v{{\[}}[[A_LO:[0-9]+]]:[[A_HI:[0-9]+]]{{\]}}
; VI: buffer_load_dwordx2 v{{\[}}[[B_LO:[0-9]+]]:[[B_HI:[0-9]+]]{{\]}}
; VI: v_mul_f16_sdwa
; VI: v_mul_f16_e32
; VI: v_mul_f16_sdwa
; VI: v_mul_f16_e32
; VI: v_or_b32
; VI: v_or_b32
define amdgpu_kernel void @fmul_v4f16(
    <4 x half> addrspace(1)* %r,
    <4 x half> addrspace(1)* %a,
    <4 x half> addrspace(1)* %b) {
entry:
  %a.val = load <4 x half>, <4 x half> addrspace(1)* %a
  %b.val = load <4 x half>, <4 x half> addrspace(1)* %b
  %r.val = fmul <4 x half> %a.val, %b.val
  store <4 x half> %r.val, <4 x half> addrspace(1)* %r
  ret void
}

; GCN-LABEL: {{^}}fmul_v4f16_imm_a:
; GFX89-DAG: buffer_load_dwordx2 v{{\[}}[[A_LO:[0-9]+]]:[[A_HI:[0-9]+]]{{\]}}
; GFX9-DAG: s_mov_b32 [[K1:s[0-9]+]], 0x44004200
; GFX9-DAG: s_mov_b32 [[K0:s[0-9]+]], 0x40004800

; GFX9-DAG: v_pk_mul_f16 v[[MUL_LO:[0-9]+]], v[[A_LO]], [[K0]]
; GFX9-DAG: v_pk_mul_f16 v[[MUL_HI:[0-9]+]], v[[A_HI]], [[K1]]
; GFX9: buffer_store_dwordx2 v{{\[}}[[MUL_LO]]:[[MUL_HI]]{{\]}}

; VI-DAG: v_mov_b32_e32 [[K4:v[0-9]+]], 0x4400

; VI-DAG: v_mul_f16_sdwa v[[MUL_HI_HI:[0-9]+]], v[[A_HI]], [[K4]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
; VI-DAG: v_mul_f16_e32 v[[MUL_HI_LO:[0-9]+]], 0x4200, v[[A_HI]]
; VI-DAG: v_add_f16_sdwa v[[MUL_LO_HI:[0-9]+]], v[[A_LO]], v[[A_LO]] dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
; VI-DAG: v_mul_f16_e32 v[[MUL_LO_LO:[0-9]+]], 0x4800, v[[A_LO]]

; VI-DAG: v_or_b32_e32 v[[OR0:[0-9]+]], v[[MUL_LO_LO]], v[[MUL_LO_HI]]
; VI-DAG: v_or_b32_e32 v[[OR1:[0-9]+]], v[[MUL_HI_LO]], v[[MUL_HI_HI]]

; VI: buffer_store_dwordx2 v{{\[}}[[OR0]]:[[OR1]]{{\]}}
define amdgpu_kernel void @fmul_v4f16_imm_a(
    <4 x half> addrspace(1)* %r,
    <4 x half> addrspace(1)* %b) {
entry:
  %b.val = load <4 x half>, <4 x half> addrspace(1)* %b
  %r.val = fmul <4 x half> <half 8.0, half 2.0, half 3.0, half 4.0>, %b.val
  store <4 x half> %r.val, <4 x half> addrspace(1)* %r
  ret void
}