llvm/test/CodeGen/NVPTX/f16-sub-sat.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_53 -mattr=+ptx42 | FileCheck %s
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_53 -mattr=+ptx60 | FileCheck %s
; RUN: %if ptxas-isa-4.2 %{ llc < %s -mtriple=nvptx64 -mcpu=sm_53 -mattr=+ptx42 | %ptxas-verify%}
; RUN: %if ptxas-isa-6.0 %{ llc < %s -mtriple=nvptx64 -mcpu=sm_53 -mattr=+ptx60 | %ptxas-verify%}

define half @sub_rn_sat_f16(half %a, half %b) {
; CHECK-LABEL: sub_rn_sat_f16(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<4>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b16 %rs1, [sub_rn_sat_f16_param_0];
; CHECK-NEXT:    ld.param.b16 %rs2, [sub_rn_sat_f16_param_1];
; CHECK-NEXT:    sub.rn.sat.f16 %rs3, %rs1, %rs2;
; CHECK-NEXT:    st.param.b16 [func_retval0], %rs3;
; CHECK-NEXT:    ret;
  %1 = fneg half %b
  %res = call half @llvm.nvvm.add.rn.sat.f16(half %a, half %1)
  ret half %res
}

define <2 x half> @sub_rn_sat_f16x2(<2 x half> %a, <2 x half> %b) {
; CHECK-LABEL: sub_rn_sat_f16x2(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<4>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b32 %r1, [sub_rn_sat_f16x2_param_0];
; CHECK-NEXT:    ld.param.b32 %r2, [sub_rn_sat_f16x2_param_1];
; CHECK-NEXT:    sub.rn.sat.f16x2 %r3, %r1, %r2;
; CHECK-NEXT:    st.param.b32 [func_retval0], %r3;
; CHECK-NEXT:    ret;
  %1 = fneg <2 x half> %b
  %res = call <2 x half> @llvm.nvvm.add.rn.sat.v2f16(<2 x half> %a, <2 x half> %1)
  ret <2 x half> %res
}

define half @sub_rn_ftz_sat_f16(half %a, half %b) {
; CHECK-LABEL: sub_rn_ftz_sat_f16(
; CHECK:       {
; CHECK-NEXT:    .reg .b16 %rs<4>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b16 %rs1, [sub_rn_ftz_sat_f16_param_0];
; CHECK-NEXT:    ld.param.b16 %rs2, [sub_rn_ftz_sat_f16_param_1];
; CHECK-NEXT:    sub.rn.ftz.sat.f16 %rs3, %rs1, %rs2;
; CHECK-NEXT:    st.param.b16 [func_retval0], %rs3;
; CHECK-NEXT:    ret;
  %1 = fneg half %b
  %res = call half @llvm.nvvm.add.rn.ftz.sat.f16(half %a, half %1)
  ret half %res
}

define <2 x half> @sub_rn_ftz_sat_f16x2(<2 x half> %a, <2 x half> %b) {
; CHECK-LABEL: sub_rn_ftz_sat_f16x2(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<4>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b32 %r1, [sub_rn_ftz_sat_f16x2_param_0];
; CHECK-NEXT:    ld.param.b32 %r2, [sub_rn_ftz_sat_f16x2_param_1];
; CHECK-NEXT:    sub.rn.ftz.sat.f16x2 %r3, %r1, %r2;
; CHECK-NEXT:    st.param.b32 [func_retval0], %r3;
; CHECK-NEXT:    ret;
  %1 = fneg <2 x half> %b
  %res = call <2 x half> @llvm.nvvm.add.rn.ftz.sat.v2f16(<2 x half> %a, <2 x half> %1)
  ret <2 x half> %res
}