llvm/test/CodeGen/NVPTX/nvptx-prec-divf32-flag.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -verify-machineinstrs -nvptx-prec-divf32=0 | FileCheck %s --check-prefix=APPROX
; RUN: llc < %s -verify-machineinstrs -nvptx-prec-divf32=1 | FileCheck %s --check-prefix=FULL
; RUN: llc < %s -verify-machineinstrs -nvptx-prec-divf32=2 | FileCheck %s --check-prefixes=IEEE,FTZ
; RUN: llc < %s -verify-machineinstrs -nvptx-prec-divf32=3 | FileCheck %s --check-prefixes=IEEE,NOFTZ

target triple = "nvptx64-nvidia-cuda"

define float @div_ftz(float %a, float %b) "denormal-fp-math-f32" = "preserve-sign" {
; APPROX-LABEL: div_ftz(
; APPROX:       {
; APPROX-NEXT:    .reg .b32 %r<4>;
; APPROX-EMPTY:
; APPROX-NEXT:  // %bb.0:
; APPROX-NEXT:    ld.param.b32 %r1, [div_ftz_param_0];
; APPROX-NEXT:    ld.param.b32 %r2, [div_ftz_param_1];
; APPROX-NEXT:    div.approx.ftz.f32 %r3, %r1, %r2;
; APPROX-NEXT:    st.param.b32 [func_retval0], %r3;
; APPROX-NEXT:    ret;
;
; FULL-LABEL: div_ftz(
; FULL:       {
; FULL-NEXT:    .reg .b32 %r<4>;
; FULL-EMPTY:
; FULL-NEXT:  // %bb.0:
; FULL-NEXT:    ld.param.b32 %r1, [div_ftz_param_0];
; FULL-NEXT:    ld.param.b32 %r2, [div_ftz_param_1];
; FULL-NEXT:    div.full.ftz.f32 %r3, %r1, %r2;
; FULL-NEXT:    st.param.b32 [func_retval0], %r3;
; FULL-NEXT:    ret;
;
; FTZ-LABEL: div_ftz(
; FTZ:       {
; FTZ-NEXT:    .reg .b32 %r<4>;
; FTZ-EMPTY:
; FTZ-NEXT:  // %bb.0:
; FTZ-NEXT:    ld.param.b32 %r1, [div_ftz_param_0];
; FTZ-NEXT:    ld.param.b32 %r2, [div_ftz_param_1];
; FTZ-NEXT:    div.rn.ftz.f32 %r3, %r1, %r2;
; FTZ-NEXT:    st.param.b32 [func_retval0], %r3;
; FTZ-NEXT:    ret;
;
; NOFTZ-LABEL: div_ftz(
; NOFTZ:       {
; NOFTZ-NEXT:    .reg .b32 %r<4>;
; NOFTZ-EMPTY:
; NOFTZ-NEXT:  // %bb.0:
; NOFTZ-NEXT:    ld.param.b32 %r1, [div_ftz_param_0];
; NOFTZ-NEXT:    ld.param.b32 %r2, [div_ftz_param_1];
; NOFTZ-NEXT:    div.rn.f32 %r3, %r1, %r2;
; NOFTZ-NEXT:    st.param.b32 [func_retval0], %r3;
; NOFTZ-NEXT:    ret;
  %val = fdiv float %a, %b
  ret float %val
}


define float @div(float %a, float %b) {
; APPROX-LABEL: div(
; APPROX:       {
; APPROX-NEXT:    .reg .b32 %r<4>;
; APPROX-EMPTY:
; APPROX-NEXT:  // %bb.0:
; APPROX-NEXT:    ld.param.b32 %r1, [div_param_0];
; APPROX-NEXT:    ld.param.b32 %r2, [div_param_1];
; APPROX-NEXT:    div.approx.f32 %r3, %r1, %r2;
; APPROX-NEXT:    st.param.b32 [func_retval0], %r3;
; APPROX-NEXT:    ret;
;
; FULL-LABEL: div(
; FULL:       {
; FULL-NEXT:    .reg .b32 %r<4>;
; FULL-EMPTY:
; FULL-NEXT:  // %bb.0:
; FULL-NEXT:    ld.param.b32 %r1, [div_param_0];
; FULL-NEXT:    ld.param.b32 %r2, [div_param_1];
; FULL-NEXT:    div.full.f32 %r3, %r1, %r2;
; FULL-NEXT:    st.param.b32 [func_retval0], %r3;
; FULL-NEXT:    ret;
;
; IEEE-LABEL: div(
; IEEE:       {
; IEEE-NEXT:    .reg .b32 %r<4>;
; IEEE-EMPTY:
; IEEE-NEXT:  // %bb.0:
; IEEE-NEXT:    ld.param.b32 %r1, [div_param_0];
; IEEE-NEXT:    ld.param.b32 %r2, [div_param_1];
; IEEE-NEXT:    div.rn.f32 %r3, %r1, %r2;
; IEEE-NEXT:    st.param.b32 [func_retval0], %r3;
; IEEE-NEXT:    ret;
  %val = fdiv float %a, %b
  ret float %val
}