llvm/test/CodeGen/AMDGPU/llvm.fptrunc.round.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1030 < %s | FileCheck -check-prefixes=CHECK,SDAG %s
; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1010 < %s | FileCheck -check-prefixes=CHECK,SDAG %s
; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1030 < %s | FileCheck -check-prefixes=CHECK,GISEL %s

define amdgpu_gs half @v_fptrunc_round_f32_to_f16_tonearest(float %a) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_tonearest:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.tonearest")
  ret half %res
}

define amdgpu_gs half @v_fptrunc_round_f32_to_f16_upward(float %a) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_upward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.upward")
  ret half %res
}

define amdgpu_gs half @v_fptrunc_round_f32_to_f16_downward(float %a) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_downward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.downward")
  ret half %res
}

define amdgpu_gs half @v_fptrunc_round_f32_to_f16_towardzero(float %a) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_towardzero:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 3
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.towardzero")
  ret half %res
}

define amdgpu_gs void @v_fptrunc_round_f32_to_f16_upward_multiple_calls(float %a, float %b, ptr addrspace(1) %out) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_upward_multiple_calls:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_cvt_f16_f32_e32 v4, v1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; CHECK-NEXT:    v_cvt_f16_f32_e32 v1, v1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; CHECK-NEXT:    v_add_f16_e32 v0, v0, v4
; CHECK-NEXT:    v_add_f16_e32 v0, v1, v0
; CHECK-NEXT:    global_store_short v[2:3], v0, off
; CHECK-NEXT:    s_endpgm
  %res1 = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.upward")
  %res2 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.upward")
  %res3 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.downward")
  %res4 = fadd half %res1, %res2
  %res5 = fadd half %res3, %res4
  store half %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs void @v_fptrunc_round_f32_to_f16_downward_multiple_calls(float %a, float %b, ptr addrspace(1) %out) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_downward_multiple_calls:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v4, v0
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_cvt_f16_f32_e32 v1, v1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; CHECK-NEXT:    v_add_f16_e32 v0, v4, v0
; CHECK-NEXT:    v_add_f16_e32 v0, v1, v0
; CHECK-NEXT:    global_store_short v[2:3], v0, off
; CHECK-NEXT:    s_endpgm
  %res1 = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.upward")
  %res2 = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.downward")
  %res3 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.downward")
  %res4 = fadd half %res1, %res2
  %res5 = fadd half %res3, %res4
  store half %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs void @v_fptrunc_round_f32_to_f16_towardzero_multiple_calls(float %a, float %b, ptr addrspace(1) %out) {
; CHECK-LABEL: v_fptrunc_round_f32_to_f16_towardzero_multiple_calls:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 3
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_cvt_f16_f32_e32 v4, v1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v1, v1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 0
; CHECK-NEXT:    v_add_f16_e32 v0, v0, v4
; CHECK-NEXT:    v_add_f16_e32 v0, v1, v0
; CHECK-NEXT:    global_store_short v[2:3], v0, off
; CHECK-NEXT:    s_endpgm
  %res1 = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.towardzero")
  %res2 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.towardzero")
  %res3 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.upward")
  %res4 = fadd half %res1, %res2
  %res5 = fadd half %res3, %res4
  store half %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs i32 @s_fptrunc_round_f32_to_f16_upward(float inreg %a, ptr addrspace(1) %out) {
; CHECK-LABEL: s_fptrunc_round_f32_to_f16_upward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_mov_b32_e32 v0, s0
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.upward")
  %bitcast = bitcast half %res to i16
  %ret = zext i16 %bitcast to i32
  ret i32 %ret
}

define amdgpu_gs i32 @s_fptrunc_round_f32_to_f16_downward(float inreg %a, ptr addrspace(1) %out) {
; CHECK-LABEL: s_fptrunc_round_f32_to_f16_downward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_mov_b32_e32 v0, s0
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
; CHECK-NEXT:    ; return to shader part epilog
  %res = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.downward")
  %bitcast = bitcast half %res to i16
  %ret = zext i16 %bitcast to i32
  ret i32 %ret
}

define amdgpu_gs void @s_fptrunc_round_f32_to_f16_upward_multiple_calls(float inreg %a, float inreg %b, ptr addrspace(1) %out) {
; CHECK-LABEL: s_fptrunc_round_f32_to_f16_upward_multiple_calls:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_mov_b32_e32 v2, s0
; CHECK-NEXT:    v_mov_b32_e32 v3, s1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v2, v2
; CHECK-NEXT:    v_cvt_f16_f32_e32 v4, v3
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; CHECK-NEXT:    v_cvt_f16_f32_e32 v3, v3
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; CHECK-NEXT:    v_add_f16_e32 v2, v2, v4
; CHECK-NEXT:    v_add_f16_e32 v2, v3, v2
; CHECK-NEXT:    global_store_short v[0:1], v2, off
; CHECK-NEXT:    s_endpgm
  %res1 = call half @llvm.fptrunc.round.f16.f32(float %a, metadata !"round.upward")
  %res2 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.upward")
  %res3 = call half @llvm.fptrunc.round.f16.f32(float %b, metadata !"round.downward")
  %res4 = fadd half %res1, %res2
  %res5 = fadd half %res3, %res4
  store half %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs <2 x half> @v_fptrunc_round_v2f32_to_v2f16_upward(<2 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v2f32_to_v2f16_upward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v2f32_to_v2f16_upward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.upward")
  ret <2 x half> %res
}

define amdgpu_gs <2 x half> @v_fptrunc_round_v2f32_to_v2f16_downward(<2 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v2f32_to_v2f16_downward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v2f32_to_v2f16_downward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.downward")
  ret <2 x half> %res
}

define amdgpu_gs void @v_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls(<2 x float> %a, <2 x float> %b, ptr addrspace(1) %out) {
; SDAG-LABEL: v_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v6, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v7, v3
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v3
; SDAG-NEXT:    v_perm_b32 v3, v7, v6, 0x5040100
; SDAG-NEXT:    v_perm_b32 v1, v2, v1, 0x5040100
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; SDAG-NEXT:    v_pk_add_f16 v0, v0, v3
; SDAG-NEXT:    v_pk_add_f16 v0, v1, v0
; SDAG-NEXT:    global_store_dword v[4:5], v0, off
; SDAG-NEXT:    s_endpgm
;
; GISEL-LABEL: v_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v6, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v7, v3
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v3
; GISEL-NEXT:    v_pack_b32_f16 v3, v6, v7
; GISEL-NEXT:    v_pack_b32_f16 v1, v1, v2
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; GISEL-NEXT:    v_pk_add_f16 v0, v0, v3
; GISEL-NEXT:    v_pk_add_f16 v0, v1, v0
; GISEL-NEXT:    global_store_dword v[4:5], v0, off
; GISEL-NEXT:    s_endpgm
  %res1 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.upward")
  %res2 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %b, metadata !"round.upward")
  %res3 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %b, metadata !"round.downward")
  %res4 = fadd <2 x half> %res1, %res2
  %res5 = fadd <2 x half> %res3, %res4
  store <2 x half> %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs <2 x i32> @s_fptrunc_round_v2f32_to_v2f16_upward(<2 x float> inreg %a, ptr addrspace(1) %out) {
; CHECK-LABEL: s_fptrunc_round_v2f32_to_v2f16_upward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_mov_b32_e32 v0, s0
; CHECK-NEXT:    v_mov_b32_e32 v1, s1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_cvt_f16_f32_e32 v1, v1
; CHECK-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; CHECK-NEXT:    v_and_b32_e32 v1, 0xffff, v1
; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
; CHECK-NEXT:    v_readfirstlane_b32 s1, v1
; CHECK-NEXT:    ; return to shader part epilog
  %res = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.upward")
  %bitcast = bitcast <2 x half> %res to <2 x i16>
  %ret = zext <2 x i16> %bitcast to <2 x i32>
  ret <2 x i32> %ret
}

define amdgpu_gs <2 x i32> @s_fptrunc_round_v2f32_to_v2f16_downward(<2 x float> inreg %a, ptr addrspace(1) %out) {
; CHECK-LABEL: s_fptrunc_round_v2f32_to_v2f16_downward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_mov_b32_e32 v0, s0
; CHECK-NEXT:    v_mov_b32_e32 v1, s1
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; CHECK-NEXT:    v_cvt_f16_f32_e32 v0, v0
; CHECK-NEXT:    v_cvt_f16_f32_e32 v1, v1
; CHECK-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; CHECK-NEXT:    v_and_b32_e32 v1, 0xffff, v1
; CHECK-NEXT:    v_readfirstlane_b32 s0, v0
; CHECK-NEXT:    v_readfirstlane_b32 s1, v1
; CHECK-NEXT:    ; return to shader part epilog
  %res = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.downward")
  %bitcast = bitcast <2 x half> %res to <2 x i16>
  %ret = zext <2 x i16> %bitcast to <2 x i32>
  ret <2 x i32> %ret
}

define amdgpu_gs void @s_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls(<2 x float> inreg %a, <2 x float> inreg %b, ptr addrspace(1) %out) {
; SDAG-LABEL: s_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    v_mov_b32_e32 v2, s0
; SDAG-NEXT:    v_mov_b32_e32 v3, s2
; SDAG-NEXT:    v_mov_b32_e32 v4, s1
; SDAG-NEXT:    v_mov_b32_e32 v5, s3
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v6, v3
; SDAG-NEXT:    v_cvt_f16_f32_e32 v4, v4
; SDAG-NEXT:    v_cvt_f16_f32_e32 v7, v5
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SDAG-NEXT:    v_and_b32_e32 v2, 0xffff, v2
; SDAG-NEXT:    v_and_b32_e32 v6, 0xffff, v6
; SDAG-NEXT:    v_and_b32_e32 v3, 0xffff, v3
; SDAG-NEXT:    v_lshl_or_b32 v2, v4, 16, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v4, v5
; SDAG-NEXT:    v_lshl_or_b32 v5, v7, 16, v6
; SDAG-NEXT:    v_lshl_or_b32 v3, v4, 16, v3
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; SDAG-NEXT:    v_pk_add_f16 v2, v2, v5
; SDAG-NEXT:    v_pk_add_f16 v2, v3, v2
; SDAG-NEXT:    global_store_dword v[0:1], v2, off
; SDAG-NEXT:    s_endpgm
;
; GISEL-LABEL: s_fptrunc_round_v2f32_to_v2f16_upward_multiple_calls:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    v_mov_b32_e32 v2, s0
; GISEL-NEXT:    v_mov_b32_e32 v3, s1
; GISEL-NEXT:    v_mov_b32_e32 v4, s2
; GISEL-NEXT:    v_mov_b32_e32 v5, s3
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GISEL-NEXT:    v_cvt_f16_f32_e32 v6, v4
; GISEL-NEXT:    v_cvt_f16_f32_e32 v7, v5
; GISEL-NEXT:    v_pack_b32_f16 v2, v2, v3
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v4
; GISEL-NEXT:    v_cvt_f16_f32_e32 v4, v5
; GISEL-NEXT:    v_pack_b32_f16 v5, v6, v7
; GISEL-NEXT:    v_pack_b32_f16 v3, v3, v4
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 0
; GISEL-NEXT:    v_pk_add_f16 v2, v2, v5
; GISEL-NEXT:    v_pk_add_f16 v2, v3, v2
; GISEL-NEXT:    global_store_dword v[0:1], v2, off
; GISEL-NEXT:    s_endpgm
  %res1 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %a, metadata !"round.upward")
  %res2 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %b, metadata !"round.upward")
  %res3 = call <2 x half> @llvm.fptrunc.round.v2f16.v2f32(<2 x float> %b, metadata !"round.downward")
  %res4 = fadd <2 x half> %res1, %res2
  %res5 = fadd <2 x half> %res3, %res4
  store <2 x half> %res5, ptr addrspace(1) %out, align 4
  ret void
}

define amdgpu_gs <3 x half> @v_fptrunc_round_v3f32_to_v3f16_upward(<3 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v3f32_to_v3f16_upward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v2
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v3f32_to_v3f16_upward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v2
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <3 x half> @llvm.fptrunc.round.v3f16.v3f32(<3 x float> %a, metadata !"round.upward")
  ret <3 x half> %res
}

define amdgpu_gs <3 x half> @v_fptrunc_round_v3f32_to_v3f16_downward(<3 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v3f32_to_v3f16_downward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v2
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v3f32_to_v3f16_downward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v2
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <3 x half> @llvm.fptrunc.round.v3f16.v3f32(<3 x float> %a, metadata !"round.downward")
  ret <3 x half> %res
}

define amdgpu_gs <4 x half> @v_fptrunc_round_v4f32_to_v4f16_upward(<4 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v4f32_to_v4f16_upward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_perm_b32 v1, v3, v2, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v4f32_to_v4f16_upward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_pack_b32_f16 v1, v2, v3
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <4 x half> @llvm.fptrunc.round.v4f16.v4f32(<4 x float> %a, metadata !"round.upward")
  ret <4 x half> %res
}

define amdgpu_gs <4 x half> @v_fptrunc_round_v4f32_to_v4f16_downward(<4 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v4f32_to_v4f16_downward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_perm_b32 v1, v3, v2, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v4f32_to_v4f16_downward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_pack_b32_f16 v1, v2, v3
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <4 x half> @llvm.fptrunc.round.v4f16.v4f32(<4 x float> %a, metadata !"round.downward")
  ret <4 x half> %res
}

define amdgpu_gs <8 x half> @v_fptrunc_round_v8f32_to_v8f16_upward(<8 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v8f32_to_v8f16_upward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v6, v6
; SDAG-NEXT:    v_cvt_f16_f32_e32 v4, v4
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SDAG-NEXT:    v_cvt_f16_f32_e32 v5, v5
; SDAG-NEXT:    v_cvt_f16_f32_e32 v7, v7
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_perm_b32 v1, v3, v2, 0x5040100
; SDAG-NEXT:    v_perm_b32 v2, v5, v4, 0x5040100
; SDAG-NEXT:    v_perm_b32 v3, v7, v6, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v8f32_to_v8f16_upward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GISEL-NEXT:    v_cvt_f16_f32_e32 v4, v4
; GISEL-NEXT:    v_cvt_f16_f32_e32 v5, v5
; GISEL-NEXT:    v_cvt_f16_f32_e32 v6, v6
; GISEL-NEXT:    v_cvt_f16_f32_e32 v7, v7
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_pack_b32_f16 v1, v2, v3
; GISEL-NEXT:    v_pack_b32_f16 v2, v4, v5
; GISEL-NEXT:    v_pack_b32_f16 v3, v6, v7
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <8 x half> @llvm.fptrunc.round.v8f16.v8f32(<8 x float> %a, metadata !"round.upward")
  ret <8 x half> %res
}

define amdgpu_gs <8 x half> @v_fptrunc_round_v8f32_to_v8f16_downward(<8 x float> %a) {
; SDAG-LABEL: v_fptrunc_round_v8f32_to_v8f16_downward:
; SDAG:       ; %bb.0:
; SDAG-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v6, v6
; SDAG-NEXT:    v_cvt_f16_f32_e32 v4, v4
; SDAG-NEXT:    v_cvt_f16_f32_e32 v2, v2
; SDAG-NEXT:    v_cvt_f16_f32_e32 v0, v0
; SDAG-NEXT:    v_cvt_f16_f32_e32 v1, v1
; SDAG-NEXT:    v_cvt_f16_f32_e32 v3, v3
; SDAG-NEXT:    v_cvt_f16_f32_e32 v5, v5
; SDAG-NEXT:    v_cvt_f16_f32_e32 v7, v7
; SDAG-NEXT:    v_perm_b32 v0, v1, v0, 0x5040100
; SDAG-NEXT:    v_perm_b32 v1, v3, v2, 0x5040100
; SDAG-NEXT:    v_perm_b32 v2, v5, v4, 0x5040100
; SDAG-NEXT:    v_perm_b32 v3, v7, v6, 0x5040100
; SDAG-NEXT:    ; return to shader part epilog
;
; GISEL-LABEL: v_fptrunc_round_v8f32_to_v8f16_downward:
; GISEL:       ; %bb.0:
; GISEL-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v0, v0
; GISEL-NEXT:    v_cvt_f16_f32_e32 v1, v1
; GISEL-NEXT:    v_cvt_f16_f32_e32 v2, v2
; GISEL-NEXT:    v_cvt_f16_f32_e32 v3, v3
; GISEL-NEXT:    v_cvt_f16_f32_e32 v4, v4
; GISEL-NEXT:    v_cvt_f16_f32_e32 v5, v5
; GISEL-NEXT:    v_cvt_f16_f32_e32 v6, v6
; GISEL-NEXT:    v_cvt_f16_f32_e32 v7, v7
; GISEL-NEXT:    v_pack_b32_f16 v0, v0, v1
; GISEL-NEXT:    v_pack_b32_f16 v1, v2, v3
; GISEL-NEXT:    v_pack_b32_f16 v2, v4, v5
; GISEL-NEXT:    v_pack_b32_f16 v3, v6, v7
; GISEL-NEXT:    ; return to shader part epilog
  %res = call <8 x half> @llvm.fptrunc.round.v8f16.v8f32(<8 x float> %a, metadata !"round.downward")
  ret <8 x half> %res
}

define amdgpu_gs float @v_fptrunc_round_f64_to_f32_tonearest(double %a) {
; CHECK-LABEL: v_fptrunc_round_f64_to_f32_tonearest:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    v_cvt_f32_f64_e32 v0, v[0:1]
; CHECK-NEXT:    ; return to shader part epilog
  %res = call float @llvm.fptrunc.round.f32.f64(double %a, metadata !"round.tonearest")
  ret float %res
}

define amdgpu_gs float @v_fptrunc_round_f64_to_f32_upward(double %a) {
; CHECK-LABEL: v_fptrunc_round_f64_to_f32_upward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 1), 1
; CHECK-NEXT:    v_cvt_f32_f64_e32 v0, v[0:1]
; CHECK-NEXT:    ; return to shader part epilog
  %res = call float @llvm.fptrunc.round.f32.f64(double %a, metadata !"round.upward")
  ret float %res
}

define amdgpu_gs float @v_fptrunc_round_f64_to_f32_downward(double %a) {
; CHECK-LABEL: v_fptrunc_round_f64_to_f32_downward:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 3, 1), 1
; CHECK-NEXT:    v_cvt_f32_f64_e32 v0, v[0:1]
; CHECK-NEXT:    ; return to shader part epilog
  %res = call float @llvm.fptrunc.round.f32.f64(double %a, metadata !"round.downward")
  ret float %res
}

define amdgpu_gs float @v_fptrunc_round_f64_to_f32_towardzero(double %a) {
; CHECK-LABEL: v_fptrunc_round_f64_to_f32_towardzero:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    s_setreg_imm32_b32 hwreg(HW_REG_MODE, 2, 2), 3
; CHECK-NEXT:    v_cvt_f32_f64_e32 v0, v[0:1]
; CHECK-NEXT:    ; return to shader part epilog
  %res = call float @llvm.fptrunc.round.f32.f64(double %a, metadata !"round.towardzero")
  ret float %res
}