llvm/test/CodeGen/AMDGPU/fdiv.f16.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc -mtriple=amdgcn -mcpu=tahiti -denormal-fp-math-f32=preserve-sign -verify-machineinstrs < %s | FileCheck -check-prefixes=SI %s
; RUN: llc -mtriple=amdgcn -mcpu=fiji -denormal-fp-math-f32=preserve-sign -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX8 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -denormal-fp-math-f32=preserve-sign -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX9 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -denormal-fp-math-f32=preserve-sign -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10 %s
; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -denormal-fp-math-f32=preserve-sign -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11 %s

; Make sure fdiv is promoted to f32.

define amdgpu_kernel void @v_fdiv_f16(
; SI-LABEL: v_fdiv_f16:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_load_dwordx2 s[8:9], s[4:5], 0xd
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_mov_b64 s[10:11], s[6:7]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    buffer_load_ushort v3, v[0:1], s[8:11], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v3, v3
; SI-NEXT:    v_div_scale_f32 v4, s[2:3], v3, v3, v2
; SI-NEXT:    v_rcp_f32_e32 v5, v4
; SI-NEXT:    v_div_scale_f32 v6, vcc, v2, v3, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v7, -v4, v5, 1.0
; SI-NEXT:    v_fma_f32 v5, v7, v5, v5
; SI-NEXT:    v_mul_f32_e32 v7, v6, v5
; SI-NEXT:    v_fma_f32 v8, -v4, v7, v6
; SI-NEXT:    v_fma_f32 v7, v8, v5, v7
; SI-NEXT:    v_fma_f32 v4, -v4, v7, v6
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v4, v4, v5, v7
; SI-NEXT:    v_div_fixup_f32 v2, v4, v3, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_fdiv_f16:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
; GFX8-NEXT:    v_lshlrev_b32_e32 v4, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_mov_b32_e32 v3, s5
; GFX8-NEXT:    v_add_u32_e32 v2, vcc, s4, v4
; GFX8-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GFX8-NEXT:    flat_load_ushort v5, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    flat_load_ushort v2, v[2:3] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v6, s1
; GFX8-NEXT:    v_cvt_f32_f16_e32 v1, v5
; GFX8-NEXT:    v_cvt_f32_f16_e32 v0, v2
; GFX8-NEXT:    v_rcp_f32_e32 v3, v0
; GFX8-NEXT:    v_mul_f32_e32 v7, v1, v3
; GFX8-NEXT:    v_mad_f32 v8, -v0, v7, v1
; GFX8-NEXT:    v_mac_f32_e32 v7, v8, v3
; GFX8-NEXT:    v_mad_f32 v0, -v0, v7, v1
; GFX8-NEXT:    v_mul_f32_e32 v0, v0, v3
; GFX8-NEXT:    v_and_b32_e32 v0, 0xff800000, v0
; GFX8-NEXT:    v_add_f32_e32 v0, v0, v7
; GFX8-NEXT:    v_cvt_f16_f32_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v6, vcc
; GFX8-NEXT:    v_div_fixup_f16 v2, v3, v2, v5
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_fdiv_f16:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    global_load_ushort v2, v0, s[6:7] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_cvt_f32_f16_e32 v4, v1
; GFX9-NEXT:    v_cvt_f32_f16_e32 v3, v2
; GFX9-NEXT:    v_rcp_f32_e32 v3, v3
; GFX9-NEXT:    v_mul_f32_e32 v4, v4, v3
; GFX9-NEXT:    v_mad_mix_f32 v5, -v2, v4, v1 op_sel_hi:[1,0,1]
; GFX9-NEXT:    v_mac_f32_e32 v4, v5, v3
; GFX9-NEXT:    v_mad_mix_f32 v5, -v2, v4, v1 op_sel_hi:[1,0,1]
; GFX9-NEXT:    v_mul_f32_e32 v3, v5, v3
; GFX9-NEXT:    v_and_b32_e32 v3, 0xff800000, v3
; GFX9-NEXT:    v_add_f32_e32 v3, v3, v4
; GFX9-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GFX9-NEXT:    v_div_fixup_f16 v1, v3, v2, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_fdiv_f16:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_clause 0x1
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    global_load_ushort v2, v0, s[6:7] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_cvt_f32_f16_e32 v5, v1
; GFX10-NEXT:    v_cvt_f32_f16_e32 v3, v2
; GFX10-NEXT:    v_rcp_f32_e32 v4, v3
; GFX10-NEXT:    v_mul_f32_e32 v6, v5, v4
; GFX10-NEXT:    v_mad_f32 v7, -v3, v6, v5
; GFX10-NEXT:    v_mac_f32_e32 v6, v7, v4
; GFX10-NEXT:    v_mad_f32 v3, -v3, v6, v5
; GFX10-NEXT:    v_mul_f32_e32 v3, v3, v4
; GFX10-NEXT:    v_and_b32_e32 v3, 0xff800000, v3
; GFX10-NEXT:    v_add_f32_e32 v3, v3, v6
; GFX10-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GFX10-NEXT:    v_div_fixup_f16 v1, v3, v2, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_fdiv_f16:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_clause 0x1
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    global_load_u16 v2, v0, s[4:5] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_cvt_f32_f16_e32 v4, v1
; GFX11-NEXT:    v_cvt_f32_f16_e32 v3, v2
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
; GFX11-NEXT:    v_rcp_f32_e32 v3, v3
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_mul_f32_e32 v4, v4, v3
; GFX11-NEXT:    v_fma_mix_f32 v5, -v2, v4, v1 op_sel_hi:[1,0,1]
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
; GFX11-NEXT:    v_fmac_f32_e32 v4, v5, v3
; GFX11-NEXT:    v_fma_mix_f32 v5, -v2, v4, v1 op_sel_hi:[1,0,1]
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
; GFX11-NEXT:    v_mul_f32_e32 v3, v5, v3
; GFX11-NEXT:    v_and_b32_e32 v3, 0xff800000, v3
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
; GFX11-NEXT:    v_add_f32_e32 v3, v3, v4
; GFX11-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_div_fixup_f16 v1, v3, v2, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
    ptr addrspace(1) %r,
    ptr addrspace(1) %a,
    ptr addrspace(1) %b) #0 {
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.a = getelementptr inbounds half, ptr addrspace(1) %a, i64 %tid.ext
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %a.val = load volatile half, ptr addrspace(1) %gep.a
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv half %a.val, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rcp_f16(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rcp_f16:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rcp_f16:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rcp_f16:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rcp_f16:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rcp_f16:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv half 1.0, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rcp_f16_abs(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rcp_f16_abs:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e64 v2, |v2|
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rcp_f16_abs:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e64 v3, |v0|
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rcp_f16_abs:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e64 v1, |v1|
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rcp_f16_abs:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e64 v1, |v1|
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rcp_f16_abs:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e64 v1, |v1|
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.abs = call half @llvm.fabs.f16(half %b.val)
  %r.val = fdiv half 1.0, %b.abs
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

; We could not do 1/b -> rcp_f32(b) under !fpmath < 1ulp.

define amdgpu_kernel void @reciprocal_f16_rounded(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: reciprocal_f16_rounded:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: reciprocal_f16_rounded:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: reciprocal_f16_rounded:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: reciprocal_f16_rounded:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: reciprocal_f16_rounded:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv half 1.0, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rcp_f16_afn(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rcp_f16_afn:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_rcp_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rcp_f16_afn:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rcp_f16_afn:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rcp_f16_afn:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rcp_f16_afn:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv afn half 1.0, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rcp_f16_neg(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rcp_f16_neg:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, -1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, -1.0, v2, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rcp_f16_neg:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e64 v3, -v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rcp_f16_neg:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rcp_f16_neg:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rcp_f16_neg:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv half -1.0, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rsq_f16(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rsq_f16:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_sqrt_f32_e32 v2, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rsq_f16:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rsq_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rsq_f16:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rsq_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rsq_f16:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rsq_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rsq_f16:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rsq_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.sqrt = call contract half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv contract half 1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rsq_f16_neg(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rsq_f16_neg:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_sqrt_f32_e32 v2, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, -1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, -1.0, v2, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, -1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rsq_f16_neg:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rsq_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_xor_b32_e32 v2, 0x8000, v3
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rsq_f16_neg:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rsq_f16_e32 v1, v1
; GFX9-NEXT:    v_xor_b32_e32 v1, 0x8000, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rsq_f16_neg:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rsq_f16_e32 v1, v1
; GFX10-NEXT:    v_xor_b32_e32 v1, 0x8000, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rsq_f16_neg:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rsq_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_xor_b32_e32 v1, 0x8000, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.sqrt = call contract half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv contract half -1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rsq_f16_multi_use(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rsq_f16_multi_use:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v3, v2
; SI-NEXT:    v_sqrt_f32_e32 v3, v3
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SI-NEXT:    v_cvt_f32_f16_e32 v3, v3
; SI-NEXT:    v_div_scale_f32 v4, s[2:3], v3, v3, 1.0
; SI-NEXT:    v_rcp_f32_e32 v5, v4
; SI-NEXT:    v_div_scale_f32 v6, vcc, 1.0, v3, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v7, -v4, v5, 1.0
; SI-NEXT:    v_fma_f32 v5, v7, v5, v5
; SI-NEXT:    v_mul_f32_e32 v7, v6, v5
; SI-NEXT:    v_fma_f32 v8, -v4, v7, v6
; SI-NEXT:    v_fma_f32 v7, v8, v5, v7
; SI-NEXT:    v_fma_f32 v4, -v4, v7, v6
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v4, v4, v5, v7
; SI-NEXT:    v_div_fixup_f32 v3, v4, v3, 1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    buffer_store_short v3, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rsq_f16_multi_use:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v3, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_rsq_f16_e32 v4, v3
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    flat_store_short v[0:1], v4
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rsq_f16_multi_use:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rsq_f16_e32 v2, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    global_store_short v0, v2, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rsq_f16_multi_use:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rsq_f16_e32 v2, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_waitcnt_vscnt null, 0x0
; GFX10-NEXT:    global_store_short v0, v2, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rsq_f16_multi_use:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rsq_f16_e32 v2, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1] dlc
; GFX11-NEXT:    s_waitcnt_vscnt null, 0x0
; GFX11-NEXT:    global_store_b16 v0, v2, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  store volatile half %b.val, ptr addrspace(1) %gep.r
  %b.sqrt = call contract half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv contract half 1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rsq_f16_missing_contract0(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rsq_f16_missing_contract0:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_sqrt_f32_e32 v2, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rsq_f16_missing_contract0:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_sqrt_f16_e32 v0, v0
; GFX8-NEXT:    v_rcp_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rsq_f16_missing_contract0:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rsq_f16_missing_contract0:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rsq_f16_missing_contract0:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.sqrt = call half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv contract half 1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_rsq_f16_missing_contract1(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_rsq_f16_missing_contract1:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_sqrt_f32_e32 v2, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v2, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, 1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_rsq_f16_missing_contract1:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_sqrt_f16_e32 v0, v0
; GFX8-NEXT:    v_rcp_f16_e32 v3, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_rsq_f16_missing_contract1:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_rsq_f16_missing_contract1:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_rsq_f16_missing_contract1:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.sqrt = call contract half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv half 1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_neg_rsq_f16_missing_contract1(ptr addrspace(1) %r, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_neg_rsq_f16_missing_contract1:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_sqrt_f32_e32 v2, v2
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_div_scale_f32 v3, s[2:3], v2, v2, -1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, -1.0, v2, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v4, v6, v4, v4
; SI-NEXT:    v_mul_f32_e32 v6, v5, v4
; SI-NEXT:    v_fma_f32 v7, -v3, v6, v5
; SI-NEXT:    v_fma_f32 v6, v7, v4, v6
; SI-NEXT:    v_fma_f32 v3, -v3, v6, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; SI-NEXT:    v_div_fixup_f32 v2, v3, v2, -1.0
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_neg_rsq_f16_missing_contract1:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    v_lshlrev_b32_e32 v2, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_load_ushort v0, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_sqrt_f16_e32 v0, v0
; GFX8-NEXT:    v_rcp_f16_e64 v3, -v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v2
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    flat_store_short v[0:1], v3
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_neg_rsq_f16_missing_contract1:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX9-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_neg_rsq_f16_missing_contract1:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX10-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_neg_rsq_f16_missing_contract1:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_sqrt_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_rcp_f16_e64 v1, -v1
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %b.sqrt = call contract half @llvm.sqrt.f16(half %b.val)
  %r.val = fdiv half -1.0, %b.sqrt
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_fdiv_f16_afn(ptr addrspace(1) %r, ptr addrspace(1) %a, ptr addrspace(1) %b) #0 {
; SI-LABEL: v_fdiv_f16_afn:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_load_dwordx2 s[8:9], s[4:5], 0xd
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_mov_b64 s[10:11], s[6:7]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    buffer_load_ushort v3, v[0:1], s[8:11], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v3, v3
; SI-NEXT:    v_rcp_f32_e32 v3, v3
; SI-NEXT:    v_mul_f32_e32 v2, v2, v3
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_fdiv_f16_afn:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
; GFX8-NEXT:    v_lshlrev_b32_e32 v4, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_mov_b32_e32 v3, s5
; GFX8-NEXT:    v_add_u32_e32 v2, vcc, s4, v4
; GFX8-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GFX8-NEXT:    flat_load_ushort v5, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    flat_load_ushort v0, v[2:3] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e32 v2, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_mul_f16_e32 v2, v5, v2
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_fdiv_f16_afn:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    global_load_ushort v2, v0, s[6:7] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v2, v2
; GFX9-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_fdiv_f16_afn:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_clause 0x1
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    global_load_ushort v2, v0, s[6:7] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v2, v2
; GFX10-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_fdiv_f16_afn:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_clause 0x1
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    global_load_u16 v2, v0, s[4:5] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v2, v2
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.a = getelementptr inbounds half, ptr addrspace(1) %a, i64 %tid.ext
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %a.val = load volatile half, ptr addrspace(1) %gep.a
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv afn half %a.val, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @v_fdiv_f16_unsafe(ptr addrspace(1) %r, ptr addrspace(1) %a, ptr addrspace(1) %b) #2 {
; SI-LABEL: v_fdiv_f16_unsafe:
; SI:       ; %bb.0: ; %entry
; SI-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; SI-NEXT:    s_load_dwordx2 s[8:9], s[4:5], 0xd
; SI-NEXT:    s_mov_b32 s7, 0xf000
; SI-NEXT:    s_mov_b32 s6, 0
; SI-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    s_mov_b64 s[4:5], s[2:3]
; SI-NEXT:    v_mov_b32_e32 v1, 0
; SI-NEXT:    s_mov_b64 s[10:11], s[6:7]
; SI-NEXT:    buffer_load_ushort v2, v[0:1], s[4:7], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    buffer_load_ushort v3, v[0:1], s[8:11], 0 addr64 glc
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    s_mov_b64 s[2:3], s[6:7]
; SI-NEXT:    v_cvt_f32_f16_e32 v2, v2
; SI-NEXT:    v_cvt_f32_f16_e32 v3, v3
; SI-NEXT:    v_rcp_f32_e32 v3, v3
; SI-NEXT:    v_mul_f32_e32 v2, v2, v3
; SI-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SI-NEXT:    buffer_store_short v2, v[0:1], s[0:3], 0 addr64
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: v_fdiv_f16_unsafe:
; GFX8:       ; %bb.0: ; %entry
; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX8-NEXT:    s_load_dwordx2 s[4:5], s[4:5], 0x34
; GFX8-NEXT:    v_lshlrev_b32_e32 v4, 1, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s3
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s2, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_mov_b32_e32 v3, s5
; GFX8-NEXT:    v_add_u32_e32 v2, vcc, s4, v4
; GFX8-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
; GFX8-NEXT:    flat_load_ushort v5, v[0:1] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    flat_load_ushort v0, v[2:3] glc
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    v_rcp_f16_e32 v2, v0
; GFX8-NEXT:    v_add_u32_e32 v0, vcc, s0, v4
; GFX8-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
; GFX8-NEXT:    v_mul_f16_e32 v2, v5, v2
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: v_fdiv_f16_unsafe:
; GFX9:       ; %bb.0: ; %entry
; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX9-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_load_ushort v1, v0, s[2:3] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    global_load_ushort v2, v0, s[6:7] glc
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v2, v2
; GFX9-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX9-NEXT:    global_store_short v0, v1, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: v_fdiv_f16_unsafe:
; GFX10:       ; %bb.0: ; %entry
; GFX10-NEXT:    s_clause 0x1
; GFX10-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x24
; GFX10-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0x34
; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_load_ushort v1, v0, s[2:3] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    global_load_ushort v2, v0, s[6:7] glc dlc
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v2, v2
; GFX10-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX10-NEXT:    global_store_short v0, v1, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: v_fdiv_f16_unsafe:
; GFX11:       ; %bb.0: ; %entry
; GFX11-NEXT:    s_clause 0x1
; GFX11-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
; GFX11-NEXT:    s_load_b64 s[4:5], s[4:5], 0x34
; GFX11-NEXT:    v_and_b32_e32 v0, 0x3ff, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_lshlrev_b32_e32 v0, 1, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_load_u16 v1, v0, s[2:3] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    global_load_u16 v2, v0, s[4:5] glc dlc
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v2, v2
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_mul_f16_e32 v1, v1, v2
; GFX11-NEXT:    global_store_b16 v0, v1, s[0:1]
; GFX11-NEXT:    s_endpgm
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.ext = sext i32 %tid to i64
  %gep.a = getelementptr inbounds half, ptr addrspace(1) %a, i64 %tid.ext
  %gep.b = getelementptr inbounds half, ptr addrspace(1) %b, i64 %tid.ext
  %gep.r = getelementptr inbounds half, ptr addrspace(1) %r, i64 %tid.ext
  %a.val = load volatile half, ptr addrspace(1) %gep.a
  %b.val = load volatile half, ptr addrspace(1) %gep.b
  %r.val = fdiv half %a.val, %b.val
  store half %r.val, ptr addrspace(1) %gep.r
  ret void
}

define amdgpu_kernel void @div_afn_2_x_pat_f16(ptr addrspace(1) %out) #0 {
; SI-LABEL: div_afn_2_x_pat_f16:
; SI:       ; %bb.0:
; SI-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s3, 0xf000
; SI-NEXT:    s_mov_b32 s2, -1
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    buffer_load_ushort v0, off, s[0:3], 0
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_mul_f32_e32 v0, 0.5, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    buffer_store_short v0, off, s[0:3], 0
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: div_afn_2_x_pat_f16:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    flat_load_ushort v0, v[0:1]
; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mul_f16_e32 v2, 0.5, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v0, s0
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: div_afn_2_x_pat_f16:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    global_load_ushort v0, v[0:1], off
; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX9-NEXT:    v_mov_b32_e32 v1, 0
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_mul_f16_e32 v0, 0.5, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_store_short v1, v0, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: div_afn_2_x_pat_f16:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    global_load_ushort v0, v[0:1], off
; GFX10-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX10-NEXT:    v_mov_b32_e32 v1, 0
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_mul_f16_e32 v0, 0.5, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_store_short v1, v0, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: div_afn_2_x_pat_f16:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    global_load_u16 v0, v[0:1], off
; GFX11-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
; GFX11-NEXT:    v_mov_b32_e32 v1, 0
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_mul_f16_e32 v0, 0.5, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_store_b16 v1, v0, s[0:1]
; GFX11-NEXT:    s_endpgm
  %x = load half, ptr addrspace(1) poison
  %rcp = fdiv afn half %x, 2.0
  store half %rcp, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @div_afn_k_x_pat_f16(ptr addrspace(1) %out) #0 {
; SI-LABEL: div_afn_k_x_pat_f16:
; SI:       ; %bb.0:
; SI-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s3, 0xf000
; SI-NEXT:    s_mov_b32 s2, -1
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    buffer_load_ushort v0, off, s[0:3], 0
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_mul_f32_e32 v0, 0x3dcccccd, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    buffer_store_short v0, off, s[0:3], 0
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: div_afn_k_x_pat_f16:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    flat_load_ushort v0, v[0:1]
; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mul_f16_e32 v2, 0x2e66, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v0, s0
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: div_afn_k_x_pat_f16:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    global_load_ushort v0, v[0:1], off
; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX9-NEXT:    v_mov_b32_e32 v1, 0
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_mul_f16_e32 v0, 0x2e66, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_store_short v1, v0, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: div_afn_k_x_pat_f16:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    global_load_ushort v0, v[0:1], off
; GFX10-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX10-NEXT:    v_mov_b32_e32 v1, 0
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_mul_f16_e32 v0, 0x2e66, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_store_short v1, v0, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: div_afn_k_x_pat_f16:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    global_load_u16 v0, v[0:1], off
; GFX11-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
; GFX11-NEXT:    v_mov_b32_e32 v1, 0
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_mul_f16_e32 v0, 0x2e66, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_store_b16 v1, v0, s[0:1]
; GFX11-NEXT:    s_endpgm
  %x = load half, ptr addrspace(1) poison
  %rcp = fdiv afn half %x, 10.0
  store half %rcp, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_kernel void @div_afn_neg_k_x_pat_f16(ptr addrspace(1) %out) #0 {
; SI-LABEL: div_afn_neg_k_x_pat_f16:
; SI:       ; %bb.0:
; SI-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; SI-NEXT:    s_mov_b32 s3, 0xf000
; SI-NEXT:    s_mov_b32 s2, -1
; SI-NEXT:    s_waitcnt lgkmcnt(0)
; SI-NEXT:    buffer_load_ushort v0, off, s[0:3], 0
; SI-NEXT:    s_waitcnt vmcnt(0)
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_mul_f32_e32 v0, 0xbdcccccd, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    buffer_store_short v0, off, s[0:3], 0
; SI-NEXT:    s_endpgm
;
; GFX8-LABEL: div_afn_neg_k_x_pat_f16:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    flat_load_ushort v0, v[0:1]
; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX8-NEXT:    s_waitcnt vmcnt(0)
; GFX8-NEXT:    v_mul_f16_e32 v2, 0xae66, v0
; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
; GFX8-NEXT:    v_mov_b32_e32 v0, s0
; GFX8-NEXT:    v_mov_b32_e32 v1, s1
; GFX8-NEXT:    flat_store_short v[0:1], v2
; GFX8-NEXT:    s_endpgm
;
; GFX9-LABEL: div_afn_neg_k_x_pat_f16:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    global_load_ushort v0, v[0:1], off
; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX9-NEXT:    v_mov_b32_e32 v1, 0
; GFX9-NEXT:    s_waitcnt vmcnt(0)
; GFX9-NEXT:    v_mul_f16_e32 v0, 0xae66, v0
; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
; GFX9-NEXT:    global_store_short v1, v0, s[0:1]
; GFX9-NEXT:    s_endpgm
;
; GFX10-LABEL: div_afn_neg_k_x_pat_f16:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    global_load_ushort v0, v[0:1], off
; GFX10-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x24
; GFX10-NEXT:    v_mov_b32_e32 v1, 0
; GFX10-NEXT:    s_waitcnt vmcnt(0)
; GFX10-NEXT:    v_mul_f16_e32 v0, 0xae66, v0
; GFX10-NEXT:    s_waitcnt lgkmcnt(0)
; GFX10-NEXT:    global_store_short v1, v0, s[0:1]
; GFX10-NEXT:    s_endpgm
;
; GFX11-LABEL: div_afn_neg_k_x_pat_f16:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    global_load_u16 v0, v[0:1], off
; GFX11-NEXT:    s_load_b64 s[0:1], s[4:5], 0x24
; GFX11-NEXT:    v_mov_b32_e32 v1, 0
; GFX11-NEXT:    s_waitcnt vmcnt(0)
; GFX11-NEXT:    v_mul_f16_e32 v0, 0xae66, v0
; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
; GFX11-NEXT:    global_store_b16 v1, v0, s[0:1]
; GFX11-NEXT:    s_endpgm
  %x = load half, ptr addrspace(1) poison
  %rcp = fdiv afn half %x, -10.0
  store half %rcp, ptr addrspace(1) %out, align 4
  ret void
}

define half @v_fdiv_f16_arcp(half %x, half %y) {
; SI-LABEL: v_fdiv_f16_arcp:
; SI:       ; %bb.0:
; SI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_div_scale_f32 v2, s[4:5], v1, v1, v0
; SI-NEXT:    v_rcp_f32_e32 v3, v2
; SI-NEXT:    v_div_scale_f32 v4, vcc, v0, v1, v0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v5, -v2, v3, 1.0
; SI-NEXT:    v_fma_f32 v3, v5, v3, v3
; SI-NEXT:    v_mul_f32_e32 v5, v4, v3
; SI-NEXT:    v_fma_f32 v6, -v2, v5, v4
; SI-NEXT:    v_fma_f32 v5, v6, v3, v5
; SI-NEXT:    v_fma_f32 v2, -v2, v5, v4
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v2, v2, v3, v5
; SI-NEXT:    v_div_fixup_f32 v0, v2, v1, v0
; SI-NEXT:    s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_fdiv_f16_arcp:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT:    v_rcp_f16_e32 v1, v1
; GFX8-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX8-NEXT:    s_setpc_b64 s[30:31]
;
; GFX9-LABEL: v_fdiv_f16_arcp:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX9-NEXT:    s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_fdiv_f16_arcp:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX10-NEXT:    s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_fdiv_f16_arcp:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX11-NEXT:    s_setpc_b64 s[30:31]
  %fdiv = fdiv arcp half %x, %y
  ret half %fdiv
}

define half @v_fdiv_f16_afn_nsz(half %x, half %y) {
; SI-LABEL: v_fdiv_f16_afn_nsz:
; SI:       ; %bb.0:
; SI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_rcp_f32_e32 v1, v1
; SI-NEXT:    v_mul_f32_e32 v0, v0, v1
; SI-NEXT:    s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_fdiv_f16_afn_nsz:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT:    v_rcp_f16_e32 v1, v1
; GFX8-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX8-NEXT:    s_setpc_b64 s[30:31]
;
; GFX9-LABEL: v_fdiv_f16_afn_nsz:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT:    v_rcp_f16_e32 v1, v1
; GFX9-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX9-NEXT:    s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_fdiv_f16_afn_nsz:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT:    v_rcp_f16_e32 v1, v1
; GFX10-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX10-NEXT:    s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_fdiv_f16_afn_nsz:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT:    v_rcp_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_mul_f16_e32 v0, v0, v1
; GFX11-NEXT:    s_setpc_b64 s[30:31]
  %fdiv = fdiv afn nsz half %x, %y
  ret half %fdiv
}

define <2 x half> @v_rsq_v2f16(<2 x half> %a) {
; GFX6-IEEE-LABEL: v_rsq_v2f16:
; GFX6-IEEE:       ; %bb.0:
; GFX6-IEEE-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v2, 1.0
; GFX6-IEEE-NEXT:    v_sqrt_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_sqrt_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-IEEE-NEXT:    v_div_scale_f32 v3, s[4:5], v0, v0, v2
; GFX6-IEEE-NEXT:    v_rcp_f32_e32 v6, v3
; GFX6-IEEE-NEXT:    v_div_scale_f32 v4, vcc, v2, v0, v2
; GFX6-IEEE-NEXT:    v_div_scale_f32 v5, s[4:5], v1, v1, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v9, -v3, v6, 1.0
; GFX6-IEEE-NEXT:    v_fma_f32 v6, v9, v6, v6
; GFX6-IEEE-NEXT:    v_mul_f32_e32 v9, v4, v6
; GFX6-IEEE-NEXT:    v_rcp_f32_e32 v8, v5
; GFX6-IEEE-NEXT:    v_fma_f32 v10, -v3, v9, v4
; GFX6-IEEE-NEXT:    v_fma_f32 v9, v10, v6, v9
; GFX6-IEEE-NEXT:    v_fma_f32 v3, -v3, v9, v4
; GFX6-IEEE-NEXT:    v_div_fmas_f32 v3, v3, v6, v9
; GFX6-IEEE-NEXT:    v_div_fixup_f32 v0, v3, v0, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v3, -v5, v8, 1.0
; GFX6-IEEE-NEXT:    v_div_scale_f32 v7, s[4:5], v2, v1, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v3, v3, v8, v8
; GFX6-IEEE-NEXT:    v_mul_f32_e32 v4, v7, v3
; GFX6-IEEE-NEXT:    v_fma_f32 v6, -v5, v4, v7
; GFX6-IEEE-NEXT:    v_fma_f32 v4, v6, v3, v4
; GFX6-IEEE-NEXT:    v_fma_f32 v5, -v5, v4, v7
; GFX6-IEEE-NEXT:    s_mov_b64 vcc, s[4:5]
; GFX6-IEEE-NEXT:    v_div_fmas_f32 v3, v5, v3, v4
; GFX6-IEEE-NEXT:    v_div_fixup_f32 v1, v3, v1, v2
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    s_setpc_b64 s[30:31]
;
; GFX6-FLUSH-LABEL: v_rsq_v2f16:
; GFX6-FLUSH:       ; %bb.0:
; GFX6-FLUSH-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v2, 1.0
; GFX6-FLUSH-NEXT:    v_sqrt_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_sqrt_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v3, s[4:5], v0, v0, v2
; GFX6-FLUSH-NEXT:    v_rcp_f32_e32 v4, v3
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v5, vcc, v2, v0, v2
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; GFX6-FLUSH-NEXT:    v_fma_f32 v4, v6, v4, v4
; GFX6-FLUSH-NEXT:    v_mul_f32_e32 v6, v5, v4
; GFX6-FLUSH-NEXT:    v_fma_f32 v7, -v3, v6, v5
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, v7, v4, v6
; GFX6-FLUSH-NEXT:    v_fma_f32 v3, -v3, v6, v5
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; GFX6-FLUSH-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v4, 1.0
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_div_fixup_f32 v0, v3, v0, v2
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v2, s[4:5], v1, v1, v4
; GFX6-FLUSH-NEXT:    v_rcp_f32_e32 v3, v2
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v5, vcc, v4, v1, v4
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, -v2, v3, 1.0
; GFX6-FLUSH-NEXT:    v_fma_f32 v3, v6, v3, v3
; GFX6-FLUSH-NEXT:    v_mul_f32_e32 v6, v5, v3
; GFX6-FLUSH-NEXT:    v_fma_f32 v7, -v2, v6, v5
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, v7, v3, v6
; GFX6-FLUSH-NEXT:    v_fma_f32 v2, -v2, v6, v5
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; GFX6-FLUSH-NEXT:    v_div_fmas_f32 v2, v2, v3, v6
; GFX6-FLUSH-NEXT:    v_div_fixup_f32 v1, v2, v1, v4
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    s_setpc_b64 s[30:31]
;
; SI-LABEL: v_rsq_v2f16:
; SI:       ; %bb.0:
; SI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_sqrt_f32_e32 v0, v0
; SI-NEXT:    v_sqrt_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_div_scale_f32 v2, s[4:5], v0, v0, 1.0
; SI-NEXT:    v_rcp_f32_e32 v3, v2
; SI-NEXT:    v_div_scale_f32 v4, vcc, 1.0, v0, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v5, -v2, v3, 1.0
; SI-NEXT:    v_fma_f32 v3, v5, v3, v3
; SI-NEXT:    v_mul_f32_e32 v5, v4, v3
; SI-NEXT:    v_fma_f32 v6, -v2, v5, v4
; SI-NEXT:    v_fma_f32 v5, v6, v3, v5
; SI-NEXT:    v_fma_f32 v2, -v2, v5, v4
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v2, v2, v3, v5
; SI-NEXT:    v_div_scale_f32 v3, s[4:5], v1, v1, 1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, 1.0, v1, 1.0
; SI-NEXT:    v_div_fixup_f32 v0, v2, v0, 1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v2, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v2, v2, v4, v4
; SI-NEXT:    v_mul_f32_e32 v4, v5, v2
; SI-NEXT:    v_fma_f32 v6, -v3, v4, v5
; SI-NEXT:    v_fma_f32 v4, v6, v2, v4
; SI-NEXT:    v_fma_f32 v3, -v3, v4, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v2, v3, v2, v4
; SI-NEXT:    v_div_fixup_f32 v1, v2, v1, 1.0
; SI-NEXT:    s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_rsq_v2f16:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT:    v_rsq_f16_sdwa v1, v0 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX8-NEXT:    v_rsq_f16_e32 v0, v0
; GFX8-NEXT:    v_or_b32_e32 v0, v0, v1
; GFX8-NEXT:    s_setpc_b64 s[30:31]
;
; GFX9-LABEL: v_rsq_v2f16:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT:    v_rsq_f16_sdwa v1, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-NEXT:    v_rsq_f16_e32 v0, v0
; GFX9-NEXT:    v_pack_b32_f16 v0, v0, v1
; GFX9-NEXT:    s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_rsq_v2f16:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT:    v_rsq_f16_sdwa v1, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX10-NEXT:    v_rsq_f16_e32 v0, v0
; GFX10-NEXT:    v_pack_b32_f16 v0, v0, v1
; GFX10-NEXT:    s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_rsq_v2f16:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT:    v_lshrrev_b32_e32 v1, 16, v0
; GFX11-NEXT:    v_rsq_f16_e32 v0, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_rsq_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_pack_b32_f16 v0, v0, v1
; GFX11-NEXT:    s_setpc_b64 s[30:31]
; GFX9-IEEE-LABEL: v_rsq_v2f16:
; GFX9-IEEE:       ; %bb.0:
; GFX9-IEEE-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-IEEE-NEXT:    v_sqrt_f16_e32 v1, v0
; GFX9-IEEE-NEXT:    v_sqrt_f16_sdwa v0, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v4, 1.0
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v2, v1
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v3, v0
; GFX9-IEEE-NEXT:    v_rcp_f32_e32 v2, v2
; GFX9-IEEE-NEXT:    v_rcp_f32_e32 v3, v3
; GFX9-IEEE-NEXT:    v_mul_f32_e32 v2, v4, v2
; GFX9-IEEE-NEXT:    v_mul_f32_e32 v3, v4, v3
; GFX9-IEEE-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GFX9-IEEE-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GFX9-IEEE-NEXT:    v_div_fixup_f16 v1, v2, v1, 1.0
; GFX9-IEEE-NEXT:    v_div_fixup_f16 v0, v3, v0, 1.0
; GFX9-IEEE-NEXT:    v_pack_b32_f16 v0, v1, v0
; GFX9-IEEE-NEXT:    s_setpc_b64 s[30:31]
; GFX9-FLUSH-LABEL: v_rsq_v2f16:
; GFX9-FLUSH:       ; %bb.0:
; GFX9-FLUSH-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLUSH-NEXT:    v_sqrt_f16_e32 v1, v0
; GFX9-FLUSH-NEXT:    v_sqrt_f16_sdwa v0, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-FLUSH-NEXT:    v_cvt_f32_f16_e32 v2, v1
; GFX9-FLUSH-NEXT:    v_cvt_f32_f16_e32 v3, v0
; GFX9-FLUSH-NEXT:    v_rcp_f32_e32 v2, v2
; GFX9-FLUSH-NEXT:    v_rcp_f32_e32 v3, v3
; GFX9-FLUSH-NEXT:    v_mad_mixlo_f16 v2, 1.0, v2, 0 op_sel_hi:[1,0,0]
; GFX9-FLUSH-NEXT:    v_mad_mixlo_f16 v3, 1.0, v3, 0 op_sel_hi:[1,0,0]
; GFX9-FLUSH-NEXT:    v_div_fixup_f16 v1, v2, v1, 1.0
; GFX9-FLUSH-NEXT:    v_div_fixup_f16 v0, v3, v0, 1.0
; GFX9-FLUSH-NEXT:    v_pack_b32_f16 v0, v1, v0
; GFX9-FLUSH-NEXT:    s_setpc_b64 s[30:31]
  %sqrt = call contract <2 x half> @llvm.sqrt.v2f16(<2 x half> %a)
  %fdiv = fdiv contract <2 x half> <half 1.0, half 1.0>, %sqrt
  ret <2 x half> %fdiv
}

define <2 x half> @v_neg_rsq_v2f16(<2 x half> %a) {
; GFX6-IEEE-LABEL: v_neg_rsq_v2f16:
; GFX6-IEEE:       ; %bb.0:
; GFX6-IEEE-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v2, -1.0
; GFX6-IEEE-NEXT:    v_sqrt_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_sqrt_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-IEEE-NEXT:    v_div_scale_f32 v3, s[4:5], v0, v0, v2
; GFX6-IEEE-NEXT:    v_rcp_f32_e32 v6, v3
; GFX6-IEEE-NEXT:    v_div_scale_f32 v4, vcc, v2, v0, v2
; GFX6-IEEE-NEXT:    v_div_scale_f32 v5, s[4:5], v1, v1, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v9, -v3, v6, 1.0
; GFX6-IEEE-NEXT:    v_fma_f32 v6, v9, v6, v6
; GFX6-IEEE-NEXT:    v_mul_f32_e32 v9, v4, v6
; GFX6-IEEE-NEXT:    v_rcp_f32_e32 v8, v5
; GFX6-IEEE-NEXT:    v_fma_f32 v10, -v3, v9, v4
; GFX6-IEEE-NEXT:    v_fma_f32 v9, v10, v6, v9
; GFX6-IEEE-NEXT:    v_fma_f32 v3, -v3, v9, v4
; GFX6-IEEE-NEXT:    v_div_fmas_f32 v3, v3, v6, v9
; GFX6-IEEE-NEXT:    v_div_fixup_f32 v0, v3, v0, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v3, -v5, v8, 1.0
; GFX6-IEEE-NEXT:    v_div_scale_f32 v7, s[4:5], v2, v1, v2
; GFX6-IEEE-NEXT:    v_fma_f32 v3, v3, v8, v8
; GFX6-IEEE-NEXT:    v_mul_f32_e32 v4, v7, v3
; GFX6-IEEE-NEXT:    v_fma_f32 v6, -v5, v4, v7
; GFX6-IEEE-NEXT:    v_fma_f32 v4, v6, v3, v4
; GFX6-IEEE-NEXT:    v_fma_f32 v5, -v5, v4, v7
; GFX6-IEEE-NEXT:    s_mov_b64 vcc, s[4:5]
; GFX6-IEEE-NEXT:    v_div_fmas_f32 v3, v5, v3, v4
; GFX6-IEEE-NEXT:    v_div_fixup_f32 v1, v3, v1, v2
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-IEEE-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-IEEE-NEXT:    s_setpc_b64 s[30:31]
;
; GFX6-FLUSH-LABEL: v_neg_rsq_v2f16:
; GFX6-FLUSH:       ; %bb.0:
; GFX6-FLUSH-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v2, -1.0
; GFX6-FLUSH-NEXT:    v_sqrt_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_sqrt_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v3, s[4:5], v0, v0, v2
; GFX6-FLUSH-NEXT:    v_rcp_f32_e32 v4, v3
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v5, vcc, v2, v0, v2
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, -v3, v4, 1.0
; GFX6-FLUSH-NEXT:    v_fma_f32 v4, v6, v4, v4
; GFX6-FLUSH-NEXT:    v_mul_f32_e32 v6, v5, v4
; GFX6-FLUSH-NEXT:    v_fma_f32 v7, -v3, v6, v5
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, v7, v4, v6
; GFX6-FLUSH-NEXT:    v_fma_f32 v3, -v3, v6, v5
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; GFX6-FLUSH-NEXT:    v_div_fmas_f32 v3, v3, v4, v6
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v4, -1.0
; GFX6-FLUSH-NEXT:    v_cvt_f32_f16_e32 v1, v1
; GFX6-FLUSH-NEXT:    v_div_fixup_f32 v0, v3, v0, v2
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v2, s[4:5], v1, v1, v4
; GFX6-FLUSH-NEXT:    v_rcp_f32_e32 v3, v2
; GFX6-FLUSH-NEXT:    v_div_scale_f32 v5, vcc, v4, v1, v4
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, -v2, v3, 1.0
; GFX6-FLUSH-NEXT:    v_fma_f32 v3, v6, v3, v3
; GFX6-FLUSH-NEXT:    v_mul_f32_e32 v6, v5, v3
; GFX6-FLUSH-NEXT:    v_fma_f32 v7, -v2, v6, v5
; GFX6-FLUSH-NEXT:    v_fma_f32 v6, v7, v3, v6
; GFX6-FLUSH-NEXT:    v_fma_f32 v2, -v2, v6, v5
; GFX6-FLUSH-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; GFX6-FLUSH-NEXT:    v_div_fmas_f32 v2, v2, v3, v6
; GFX6-FLUSH-NEXT:    v_div_fixup_f32 v1, v2, v1, v4
; GFX6-FLUSH-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GFX6-FLUSH-NEXT:    s_setpc_b64 s[30:31]
;
; SI-LABEL: v_neg_rsq_v2f16:
; SI:       ; %bb.0:
; SI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 0
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_sqrt_f32_e32 v0, v0
; SI-NEXT:    v_sqrt_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SI-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SI-NEXT:    v_cvt_f32_f16_e32 v0, v0
; SI-NEXT:    v_cvt_f32_f16_e32 v1, v1
; SI-NEXT:    v_div_scale_f32 v2, s[4:5], v0, v0, -1.0
; SI-NEXT:    v_rcp_f32_e32 v3, v2
; SI-NEXT:    v_div_scale_f32 v4, vcc, -1.0, v0, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v5, -v2, v3, 1.0
; SI-NEXT:    v_fma_f32 v3, v5, v3, v3
; SI-NEXT:    v_mul_f32_e32 v5, v4, v3
; SI-NEXT:    v_fma_f32 v6, -v2, v5, v4
; SI-NEXT:    v_fma_f32 v5, v6, v3, v5
; SI-NEXT:    v_fma_f32 v2, -v2, v5, v4
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v2, v2, v3, v5
; SI-NEXT:    v_div_scale_f32 v3, s[4:5], v1, v1, -1.0
; SI-NEXT:    v_rcp_f32_e32 v4, v3
; SI-NEXT:    v_div_scale_f32 v5, vcc, -1.0, v1, -1.0
; SI-NEXT:    v_div_fixup_f32 v0, v2, v0, -1.0
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 3
; SI-NEXT:    v_fma_f32 v2, -v3, v4, 1.0
; SI-NEXT:    v_fma_f32 v2, v2, v4, v4
; SI-NEXT:    v_mul_f32_e32 v4, v5, v2
; SI-NEXT:    v_fma_f32 v6, -v3, v4, v5
; SI-NEXT:    v_fma_f32 v4, v6, v2, v4
; SI-NEXT:    v_fma_f32 v3, -v3, v4, v5
; SI-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 4, 2), 0
; SI-NEXT:    v_div_fmas_f32 v2, v3, v2, v4
; SI-NEXT:    v_div_fixup_f32 v1, v2, v1, -1.0
; SI-NEXT:    s_setpc_b64 s[30:31]
;
; GFX8-LABEL: v_neg_rsq_v2f16:
; GFX8:       ; %bb.0:
; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX8-NEXT:    v_rsq_f16_e32 v1, v0
; GFX8-NEXT:    v_rsq_f16_sdwa v0, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX8-NEXT:    v_mov_b32_e32 v2, 0x8000
; GFX8-NEXT:    v_xor_b32_e32 v1, 0x8000, v1
; GFX8-NEXT:    v_xor_b32_sdwa v0, v2, v0 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:DWORD src1_sel:DWORD
; GFX8-NEXT:    v_or_b32_sdwa v0, v1, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_0 src1_sel:DWORD
; GFX8-NEXT:    s_setpc_b64 s[30:31]
;
; GFX9-LABEL: v_neg_rsq_v2f16:
; GFX9:       ; %bb.0:
; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-NEXT:    v_rsq_f16_sdwa v1, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-NEXT:    v_rsq_f16_e32 v0, v0
; GFX9-NEXT:    v_pack_b32_f16 v0, -v0, -v1
; GFX9-NEXT:    s_setpc_b64 s[30:31]
;
; GFX10-LABEL: v_neg_rsq_v2f16:
; GFX10:       ; %bb.0:
; GFX10-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX10-NEXT:    v_rsq_f16_sdwa v1, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX10-NEXT:    v_rsq_f16_e32 v0, v0
; GFX10-NEXT:    v_pack_b32_f16 v0, -v0, -v1
; GFX10-NEXT:    s_setpc_b64 s[30:31]
;
; GFX11-LABEL: v_neg_rsq_v2f16:
; GFX11:       ; %bb.0:
; GFX11-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX11-NEXT:    v_lshrrev_b32_e32 v1, 16, v0
; GFX11-NEXT:    v_rsq_f16_e32 v0, v0
; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
; GFX11-NEXT:    v_rsq_f16_e32 v1, v1
; GFX11-NEXT:    s_waitcnt_depctr 0xfff
; GFX11-NEXT:    v_pack_b32_f16 v0, -v0, -v1
; GFX11-NEXT:    s_setpc_b64 s[30:31]
; GFX9-IEEE-LABEL: v_neg_rsq_v2f16:
; GFX9-IEEE:       ; %bb.0:
; GFX9-IEEE-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-IEEE-NEXT:    v_sqrt_f16_e32 v1, v0
; GFX9-IEEE-NEXT:    v_sqrt_f16_sdwa v0, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v4, -1.0
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v2, v1
; GFX9-IEEE-NEXT:    v_cvt_f32_f16_e32 v3, v0
; GFX9-IEEE-NEXT:    v_rcp_f32_e32 v2, v2
; GFX9-IEEE-NEXT:    v_rcp_f32_e32 v3, v3
; GFX9-IEEE-NEXT:    v_mul_f32_e32 v2, v4, v2
; GFX9-IEEE-NEXT:    v_mul_f32_e32 v3, v4, v3
; GFX9-IEEE-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GFX9-IEEE-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GFX9-IEEE-NEXT:    v_div_fixup_f16 v1, v2, v1, -1.0
; GFX9-IEEE-NEXT:    v_div_fixup_f16 v0, v3, v0, -1.0
; GFX9-IEEE-NEXT:    v_pack_b32_f16 v0, v1, v0
; GFX9-IEEE-NEXT:    s_setpc_b64 s[30:31]
; GFX9-FLUSH-LABEL: v_neg_rsq_v2f16:
; GFX9-FLUSH:       ; %bb.0:
; GFX9-FLUSH-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GFX9-FLUSH-NEXT:    v_sqrt_f16_e32 v1, v0
; GFX9-FLUSH-NEXT:    v_sqrt_f16_sdwa v0, v0 dst_sel:DWORD dst_unused:UNUSED_PAD src0_sel:WORD_1
; GFX9-FLUSH-NEXT:    v_cvt_f32_f16_e32 v2, v1
; GFX9-FLUSH-NEXT:    v_cvt_f32_f16_e32 v3, v0
; GFX9-FLUSH-NEXT:    v_rcp_f32_e32 v2, v2
; GFX9-FLUSH-NEXT:    v_rcp_f32_e32 v3, v3
; GFX9-FLUSH-NEXT:    v_mad_mixlo_f16 v2, -1.0, v2, 0 op_sel_hi:[1,0,0]
; GFX9-FLUSH-NEXT:    v_mad_mixlo_f16 v3, -1.0, v3, 0 op_sel_hi:[1,0,0]
; GFX9-FLUSH-NEXT:    v_div_fixup_f16 v1, v2, v1, -1.0
; GFX9-FLUSH-NEXT:    v_div_fixup_f16 v0, v3, v0, -1.0
; GFX9-FLUSH-NEXT:    v_pack_b32_f16 v0, v1, v0
; GFX9-FLUSH-NEXT:    s_setpc_b64 s[30:31]
  %sqrt = call contract <2 x half> @llvm.sqrt.v2f16(<2 x half> %a)
  %fdiv = fdiv contract <2 x half> <half -1.0, half -1.0>, %sqrt
  ret <2 x half> %fdiv
}

declare i32 @llvm.amdgcn.workitem.id.x() #2
declare half @llvm.sqrt.f16(half) #2
declare half @llvm.fabs.f16(half) #2
declare <2 x half> @llvm.sqrt.v2f16(<2 x half>) #2

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind "unsafe-fp-math"="true" }