TheRock/compiler/amd-llvm/llvm/test/Transforms/Attributor/nofpclass-fdiv.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT

define float @ret_fdiv_ieee(float %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee
; CHECK-SAME: (float [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz(float %arg0, float %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz
; CHECK-SAME: (float [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_noinf_nozero__all(float nofpclass(inf zero) %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_noinf_nozero__all
; CHECK-SAME: (float nofpclass(inf zero) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_nozero__all(float nofpclass(nan inf zero) %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nonan_noinf_nozero__all
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_all__nonan_noinf_nozero(float %arg0, float nofpclass(nan inf zero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_all__nonan_noinf_nozero
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_nozero__nonan(float nofpclass(nan inf zero) %arg0, float nofpclass(nan) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf_nozero__nonan
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan__nonan_noinf_nozero(float nofpclass(nan) %arg0, float nofpclass(nan inf zero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_nozero__nonan_noinf(float nofpclass(nan zero) %arg0, float nofpclass(nan inf) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_nozero__nonan_noinf
; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf__nonan_nozero(float nofpclass(nan inf) %arg0, float nofpclass(nan zero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf__nonan_nozero
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_nonan_nozero__nonan_noinf(float nofpclass(nan zero) %arg0, float nofpclass(nan inf) %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz_nonan_nozero__nonan_noinf
; CHECK-SAME: (float nofpclass(nan zero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_nonan_noinf__nonan_nozero(float nofpclass(nan inf) %arg0, float nofpclass(nan zero) %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz_nonan_noinf__nonan_nozero
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan zero) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_nonan_nozero_nosub__nonan_noinf(float nofpclass(nan zero sub) %arg0, float nofpclass(nan inf) %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_daz_nonan_nozero_nosub__nonan_noinf
; CHECK-SAME: (float nofpclass(nan zero sub) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_nonan_noinf__nonan_nozero_nosub(float nofpclass(nan inf) %arg0, float nofpclass(nan zero sub) %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_daz_nonan_noinf__nonan_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf__nonan_noinf(float nofpclass(nan) %arg0, float nofpclass(nan) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nonan_noinf__nonan_noinf
; CHECK-SAME: (float nofpclass(nan) [[ARG0:%.*]], float nofpclass(nan) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_nozero__nonan_noinf_nozero(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf zero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf_nozero__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_nonan_noinf_nozero__nonan_noinf_nozero(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf zero) %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz_nonan_noinf_nozero__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_dapz_nonan_noinf_nozero__nonan_noinf_nozero(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf zero) %arg1) #2 {
; CHECK-LABEL: define float @ret_fdiv_dapz_nonan_noinf_nozero__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_dynamic_nonan_noinf_nozero__nonan_noinf_nozero(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf zero) %arg1) #3 {
; CHECK-LABEL: define float @ret_fdiv_dynamic_nonan_noinf_nozero__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR3:[0-9]+]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_noinf(float nofpclass(nan inf) %arg0, float nofpclass(nan inf) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_noinf
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_nozero__nonan_noinf_noinf(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf_nozero__nonan_noinf_noinf
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_nozero(float nofpclass(nan inf) %arg0, float nofpclass(nan inf zero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_noposzero(float nofpclass(nan inf) %arg0, float nofpclass(nan pzero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nonan_noinf_noinf__nonan_noinf_noposzero
; CHECK-SAME: (float nofpclass(nan inf) [[ARG0:%.*]], float nofpclass(nan pzero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_noposzero__nonan_noinf_noinf(float nofpclass(nan pzero) %arg0, float nofpclass(nan inf) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nonan_noinf_noposzero__nonan_noinf_noinf
; CHECK-SAME: (float nofpclass(nan pzero) [[ARG0:%.*]], float nofpclass(nan inf) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub(float nofpclass(nan inf zero sub) %arg0, float nofpclass(nan inf zero sub) %arg1) #0 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_ieee_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf zero sub) [[ARG0:%.*]], float nofpclass(nan inf zero sub) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Denormal mode doesn't matter because sources are nofpclass(sub)
define float @ret_fdiv_daz_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub(float nofpclass(nan inf zero sub) %arg0, float nofpclass(nan inf zero sub) %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_daz_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf zero sub) [[ARG0:%.*]], float nofpclass(nan inf zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_dapz_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub(float nofpclass(nan inf zero sub) %arg0, float nofpclass(nan inf zero sub) %arg1) #2 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_dapz_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf zero sub) [[ARG0:%.*]], float nofpclass(nan inf zero sub) [[ARG1:%.*]]) #[[ATTR2]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_dynamic_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub(float nofpclass(nan inf zero sub) %arg0, float nofpclass(nan inf zero sub) %arg1) #3 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_dynamic_nonan_noinf_nozero_nosub__nonan_noinf_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf zero sub) [[ARG0:%.*]], float nofpclass(nan inf zero sub) [[ARG1:%.*]]) #[[ATTR3]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Missing no-subnormal on lhs
define float @ret_fdiv_daz_nonan_noinf_nozero__nonan_noinf_nozero_nosub(float nofpclass(nan inf zero) %arg0, float nofpclass(nan inf zero sub) %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_daz_nonan_noinf_nozero__nonan_noinf_nozero_nosub
; CHECK-SAME: (float nofpclass(nan inf zero) [[ARG0:%.*]], float nofpclass(nan inf zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Missing no-subnormal on lhs
define float @ret_fdiv_daz_nonan_noinf_nozero_nosub__nonan_noinf_nozero(float nofpclass(nan inf zero sub) %arg0, float nofpclass(nan inf zero) %arg1) #1 {
; CHECK-LABEL: define nofpclass(nan) float @ret_fdiv_daz_nonan_noinf_nozero_nosub__nonan_noinf_nozero
; CHECK-SAME: (float nofpclass(nan inf zero sub) [[ARG0:%.*]], float nofpclass(nan inf zero) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; should be able to infer noinf
define float @ret_fdiv_ieee_noinf__nozero(float nofpclass(inf) %arg0, float nofpclass(zero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_noinf__nozero
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]], float nofpclass(zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_all__nozero(float %arg0, float nofpclass(zero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_all__nozero
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(zero) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_noinf__all(float nofpclass(inf) %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_noinf__all
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_ieee_nozero__noinf(float nofpclass(zero) %arg0, float nofpclass(inf) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_ieee_nozero__noinf
; CHECK-SAME: (float nofpclass(zero) [[ARG0:%.*]], float nofpclass(inf) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_noinf__nozero(float nofpclass(inf) %arg0, float nofpclass(zero) %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz_noinf__nozero
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]], float nofpclass(zero) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_daz_noinf__nozero_nosub(float nofpclass(inf) %arg0, float nofpclass(zero sub) %arg1) #1 {
; CHECK-LABEL: define float @ret_fdiv_daz_noinf__nozero_nosub
; CHECK-SAME: (float nofpclass(inf) [[ARG0:%.*]], float nofpclass(zero sub) [[ARG1:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_same_operands(float noundef %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(inf zero sub nnorm) float @ret_fdiv_same_operands
; CHECK-SAME: (float noundef [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_maybe_undef(float %arg) #0 {
; CHECK-LABEL: define float @ret_fdiv_same_operands_maybe_undef
; CHECK-SAME: (float [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nosnan(float noundef nofpclass(snan) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(snan inf zero sub nnorm) float @ret_fdiv_same_operands_nosnan
; CHECK-SAME: (float noundef nofpclass(snan) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_noqnan(float noundef nofpclass(qnan) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(inf zero sub nnorm) float @ret_fdiv_same_operands_noqnan
; CHECK-SAME: (float noundef nofpclass(qnan) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nonan(float noundef nofpclass(nan) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(snan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan
; CHECK-SAME: (float noundef nofpclass(nan) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nonan_noinf(float noundef nofpclass(nan inf) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(snan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf
; CHECK-SAME: (float noundef nofpclass(nan inf) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nonan_nozero(float noundef nofpclass(nan zero) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(snan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_nozero
; CHECK-SAME: (float noundef nofpclass(nan zero) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nonan_noinf_nozero(float noundef nofpclass(nan inf zero) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(nan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf_nozero
; CHECK-SAME: (float noundef nofpclass(nan inf zero) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub(float noundef nofpclass(nan inf zero) %arg) #0 {
; CHECK-LABEL: define noundef nofpclass(nan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub
; CHECK-SAME: (float noundef nofpclass(nan inf zero) [[ARG:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

; May be nan if denormal is flushed
define float @ret_fdiv_same_operands_nonan_noinf_nozero__daz(float noundef nofpclass(nan inf zero) %arg) #1 {
; CHECK-LABEL: define noundef nofpclass(snan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf_nozero__daz
; CHECK-SAME: (float noundef nofpclass(nan inf zero) [[ARG:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

; Can't have a flushed input
define float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub__daz(float noundef nofpclass(nan inf sub zero) %arg) #1 {
; CHECK-LABEL: define noundef nofpclass(nan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub__daz
; CHECK-SAME: (float noundef nofpclass(nan inf zero sub) [[ARG:%.*]]) #[[ATTR1]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

; Can't have a flushed input
define float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub__dynamic(float noundef nofpclass(nan inf sub zero) %arg) #3 {
; CHECK-LABEL: define noundef nofpclass(nan inf zero sub nnorm) float @ret_fdiv_same_operands_nonan_noinf_nozero_nosub__dynamic
; CHECK-SAME: (float noundef nofpclass(nan inf zero sub) [[ARG:%.*]]) #[[ATTR3]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG]], [[ARG]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg, %arg
  ret float %fdiv
}

define float @ret_fdiv_no_neg_lhs(float nofpclass(ninf nsub nnorm) %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_neg_lhs
; CHECK-SAME: (float nofpclass(ninf nsub nnorm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg_rhs(float %arg0, float nofpclass(ninf nsub nnorm) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_neg_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(ninf nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg_nzero_rhs(float %arg0, float nofpclass(ninf nsub nnorm nzero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_neg_nzero_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(ninf nzero nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg(float nofpclass(ninf nsub nnorm) %arg0, float nofpclass(ninf nsub nnorm) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_neg
; CHECK-SAME: (float nofpclass(ninf nsub nnorm) [[ARG0:%.*]], float nofpclass(ninf nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg_nzero(float nofpclass(ninf nsub nnorm nzero) %arg0, float nofpclass(ninf nsub nnorm nzero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(ninf nzero nsub nnorm) float @ret_fdiv_no_neg_nzero
; CHECK-SAME: (float nofpclass(ninf nzero nsub nnorm) [[ARG0:%.*]], float nofpclass(ninf nzero nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg_rhs_no_nzero(float nofpclass(ninf nsub nnorm) %arg0, float nofpclass(ninf nsub nnorm nzero) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_neg_rhs_no_nzero
; CHECK-SAME: (float nofpclass(ninf nsub nnorm) [[ARG0:%.*]], float nofpclass(ninf nzero nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_neg_no_zero_rhs(float nofpclass(ninf nsub nnorm nzero) %arg0, float nofpclass(ninf nsub nnorm zero) %arg1) #0 {
; CHECK-LABEL: define nofpclass(ninf nzero nsub nnorm) float @ret_fdiv_no_neg_no_zero_rhs
; CHECK-SAME: (float nofpclass(ninf nzero nsub nnorm) [[ARG0:%.*]], float nofpclass(ninf zero nsub nnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_pos_lhs(float nofpclass(pinf psub pnorm) %arg0, float %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_pos_lhs
; CHECK-SAME: (float nofpclass(pinf psub pnorm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_pos_rhs(float %arg0, float nofpclass(pinf psub pnorm) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_pos_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(pinf psub pnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_no_pos(float nofpclass(pinf psub pnorm) %arg0, float nofpclass(pinf psub pnorm) %arg1) #0 {
; CHECK-LABEL: define float @ret_fdiv_no_pos
; CHECK-SAME: (float nofpclass(pinf psub pnorm) [[ARG0:%.*]], float nofpclass(pinf psub pnorm) [[ARG1:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_zero_or_nan_lhs(float nofpclass(inf norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_zero_or_nan_lhs
; CHECK-SAME: (float nofpclass(inf sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4:[0-9]+]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_zero_or_nan_rhs(float %arg0, float nofpclass(inf norm sub) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_zero_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_zero_lhs(float nofpclass(nan inf norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_zero_lhs
; CHECK-SAME: (float nofpclass(nan inf sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_zero_rhs(float %arg0, float nofpclass(nan inf norm sub) %arg1) {
; CHECK-LABEL: define nofpclass(zero sub norm) float @ret_fdiv_f32_known_zero_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pzero_or_nan_lhs(float nofpclass(inf norm sub nzero) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_pzero_or_nan_lhs
; CHECK-SAME: (float nofpclass(inf nzero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pzero_or_nan_rhs(float %arg0, float nofpclass(inf norm sub nzero) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_pzero_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(inf nzero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pzero_lhs(float nofpclass(nan inf norm sub nzero) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_pzero_lhs
; CHECK-SAME: (float nofpclass(nan inf nzero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pzero_rhs(float %arg0, float nofpclass(nan inf norm sub nzero) %arg1) {
; CHECK-LABEL: define nofpclass(zero sub norm) float @ret_fdiv_f32_known_pzero_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(nan inf nzero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_nzero_or_nan_lhs(float nofpclass(inf norm sub pzero) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_nzero_or_nan_lhs
; CHECK-SAME: (float nofpclass(inf pzero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_nzero_or_nan_rhs(float %arg0, float nofpclass(inf norm sub pzero) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_nzero_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(inf pzero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_nzero_lhs(float nofpclass(nan inf norm sub pzero) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_nzero_lhs
; CHECK-SAME: (float nofpclass(nan inf pzero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_nzero_rhs(float %arg0, float nofpclass(nan inf norm sub pzero) %arg1) {
; CHECK-LABEL: define nofpclass(zero sub norm) float @ret_fdiv_f32_known_nzero_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(nan inf pzero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_inf_or_nan_lhs(float nofpclass(zero norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_inf_or_nan_lhs
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_inf_or_nan_rhs(float %arg0, float nofpclass(zero norm sub) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_inf_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_inf_lhs(float nofpclass(nan zero norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_inf_lhs
; CHECK-SAME: (float nofpclass(nan zero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_inf_rhs(float %arg0, float nofpclass(nan zero norm sub) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_inf_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(nan zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pinf_or_nan_lhs(float nofpclass(ninf zero norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_pinf_or_nan_lhs
; CHECK-SAME: (float nofpclass(ninf zero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_pinf_or_nan_rhs(float %arg0, float nofpclass(ninf zero norm sub) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_pinf_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(ninf zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_ninf_or_nan_lhs(float nofpclass(pinf zero norm sub) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_ninf_or_nan_lhs
; CHECK-SAME: (float nofpclass(pinf zero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_fdiv_f32_known_ninf_or_nan_rhs(float %arg0, float nofpclass(pinf zero norm sub) %arg1) {
; CHECK-LABEL: define float @ret_fdiv_f32_known_ninf_or_nan_rhs
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(pinf zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> nan
define float @ret_known_inf_fdiv_known_zero(float nofpclass(nan norm sub zero) %arg0, float nofpclass(nan inf norm sub) %arg1) {
; CHECK-LABEL: define nofpclass(nan zero sub norm) float @ret_known_inf_fdiv_known_zero
; CHECK-SAME: (float nofpclass(nan zero sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> inf or nan
define float @ret_known_inf_or_nan_fdiv_known_zero(float nofpclass(norm sub zero) %arg0, float nofpclass(nan inf norm sub) %arg1) {
; CHECK-LABEL: define nofpclass(zero sub norm) float @ret_known_inf_or_nan_fdiv_known_zero
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> nan
define float @ret_known_inf_fdiv_known_zero_or_nan(float nofpclass(nan norm sub zero) %arg0, float nofpclass(inf norm sub) %arg1) {
; CHECK-LABEL: define float @ret_known_inf_fdiv_known_zero_or_nan
; CHECK-SAME: (float nofpclass(nan zero sub norm) [[ARG0:%.*]], float nofpclass(inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> inf
define float @ret_known_ninf_fdiv_known_zero(float nofpclass(nan pinf norm sub zero) %arg0, float nofpclass(nan inf norm sub) %arg1) {
; CHECK-LABEL: define nofpclass(nan zero sub norm) float @ret_known_ninf_fdiv_known_zero
; CHECK-SAME: (float nofpclass(nan pinf zero sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> pinf
define float @ret_known_pinf_fdiv_known_zero(float nofpclass(nan ninf norm sub zero) %arg0, float nofpclass(nan inf norm sub) %arg1) {
; CHECK-LABEL: define nofpclass(nan zero sub norm) float @ret_known_pinf_fdiv_known_zero
; CHECK-SAME: (float nofpclass(nan ninf zero sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> zero
define float @ret_known_zero_fdiv_known_inf(float nofpclass(nan inf norm sub) %arg0, float nofpclass(nan norm sub zero) %arg1) {
; CHECK-LABEL: define nofpclass(nan inf sub norm) float @ret_known_zero_fdiv_known_inf
; CHECK-SAME: (float nofpclass(nan inf sub norm) [[ARG0:%.*]], float nofpclass(nan zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> zero
define float @ret_known_zero_fdiv_known_inf_or_nan(float nofpclass(nan inf norm sub) %arg0, float nofpclass(norm sub zero) %arg1) {
; CHECK-LABEL: define float @ret_known_zero_fdiv_known_inf_or_nan
; CHECK-SAME: (float nofpclass(nan inf sub norm) [[ARG0:%.*]], float nofpclass(zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; -> zero or nan
define float @ret_known_zero_or_nan_fdiv_known_inf(float nofpclass(inf norm sub) %arg0, float nofpclass(nan norm sub zero) %arg1) {
; CHECK-LABEL: define float @ret_known_zero_or_nan_fdiv_known_inf
; CHECK-SAME: (float nofpclass(inf sub norm) [[ARG0:%.*]], float nofpclass(nan zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Know nothing
define float @ret_fdiv_lhs_known_positive_or_nan(float %lhs, float %rhs) {
; CHECK-LABEL: define float @ret_fdiv_lhs_known_positive_or_nan
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[LHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[LHS]]) #[[ATTR6:[0-9]+]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS_FABS]], [[RHS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %lhs.fabs = call float @llvm.fabs.f32(float %lhs)
  %mul = fdiv float %lhs.fabs, %rhs
  ret float %mul
}

; Know nothing
define float @ret_fdiv_rhs_known_positive_or_nan(float %lhs, float %rhs) {
; CHECK-LABEL: define float @ret_fdiv_rhs_known_positive_or_nan
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[RHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[RHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS]], [[RHS_FABS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %rhs.fabs = call float @llvm.fabs.f32(float %rhs)
  %mul = fdiv float %lhs, %rhs.fabs
  ret float %mul
}

; Result must be positive or nan
define float @ret_fdiv_both_signs_positive_or_nan(float %lhs, float %rhs) {
; CHECK-LABEL: define nofpclass(ninf nzero nsub nnorm) float @ret_fdiv_both_signs_positive_or_nan
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[LHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[LHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[RHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[RHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS_FABS]], [[RHS_FABS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %lhs.fabs = call float @llvm.fabs.f32(float %lhs)
  %rhs.fabs = call float @llvm.fabs.f32(float %rhs)
  %mul = fdiv float %lhs.fabs, %rhs.fabs
  ret float %mul
}

; Result must be positive or nan
define float @ret_fdiv_both_signs_negative_or_nan(float %lhs, float %rhs) {
; CHECK-LABEL: define nofpclass(ninf nzero nsub nnorm) float @ret_fdiv_both_signs_negative_or_nan
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[LHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[LHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[RHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[RHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[LHS_NEG_FABS:%.*]] = fneg float [[LHS_FABS]]
; CHECK-NEXT:    [[RHS_NEG_FABS:%.*]] = fneg float [[RHS_FABS]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS_NEG_FABS]], [[RHS_NEG_FABS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %lhs.fabs = call float @llvm.fabs.f32(float %lhs)
  %rhs.fabs = call float @llvm.fabs.f32(float %rhs)
  %lhs.neg.fabs = fneg float %lhs.fabs
  %rhs.neg.fabs = fneg float %rhs.fabs
  %mul = fdiv float %lhs.neg.fabs, %rhs.neg.fabs
  ret float %mul
}

; Result must be negative or nan
define float @ret_fdiv_lhs_negative_rhs_positive(float %lhs, float %rhs) {
; CHECK-LABEL: define nofpclass(pinf pzero psub pnorm) float @ret_fdiv_lhs_negative_rhs_positive
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[LHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[LHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[RHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[RHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[LHS_NEG_FABS:%.*]] = fneg float [[LHS_FABS]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS_NEG_FABS]], [[RHS_FABS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %lhs.fabs = call float @llvm.fabs.f32(float %lhs)
  %rhs.fabs = call float @llvm.fabs.f32(float %rhs)
  %lhs.neg.fabs = fneg float %lhs.fabs
  %mul = fdiv float %lhs.neg.fabs, %rhs.fabs
  ret float %mul
}

; Result must be negative or nan
define float @ret_fdiv_rhs_negative_lhs_positive(float %lhs, float %rhs) {
; CHECK-LABEL: define nofpclass(pinf pzero psub pnorm) float @ret_fdiv_rhs_negative_lhs_positive
; CHECK-SAME: (float [[LHS:%.*]], float [[RHS:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[LHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[LHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[RHS_FABS:%.*]] = call float @llvm.fabs.f32(float [[RHS]]) #[[ATTR6]]
; CHECK-NEXT:    [[RHS_NEG_FABS:%.*]] = fneg float [[RHS_FABS]]
; CHECK-NEXT:    [[MUL:%.*]] = fdiv float [[LHS_FABS]], [[RHS_NEG_FABS]]
; CHECK-NEXT:    ret float [[MUL]]
;
  %lhs.fabs = call float @llvm.fabs.f32(float %lhs)
  %rhs.fabs = call float @llvm.fabs.f32(float %rhs)
  %rhs.neg.fabs = fneg float %rhs.fabs
  %mul = fdiv float %lhs.fabs, %rhs.neg.fabs
  ret float %mul
}

; Could be inf of either sign
define float @ret_known_inf_fdiv_known_inf(float nofpclass(norm sub zero nan) %arg0, float nofpclass(norm sub zero nan) %arg1) {
; CHECK-LABEL: define float @ret_known_inf_fdiv_known_inf
; CHECK-SAME: (float nofpclass(nan zero sub norm) [[ARG0:%.*]], float nofpclass(nan zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Could be inf of either sign, or nan
define float @ret_known_inf_fdiv_known_inf_or_nan(float nofpclass(norm sub zero nan) %arg0, float nofpclass(norm sub zero) %arg1) {
; CHECK-LABEL: define float @ret_known_inf_fdiv_known_inf_or_nan
; CHECK-SAME: (float nofpclass(nan zero sub norm) [[ARG0:%.*]], float nofpclass(zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Could be inf of either sign, or nan
define float @ret_known_inf_or_nan_fdiv_known_inf(float nofpclass(norm sub zero) %arg0, float nofpclass(norm sub zero nan) %arg1) {
; CHECK-LABEL: define float @ret_known_inf_or_nan_fdiv_known_inf
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]], float nofpclass(nan zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Could be zero of either sign
define float @ret_known_zero_fdiv_known_zero(float nofpclass(inf norm sub nan) %arg0, float nofpclass(inf norm sub nan) %arg1) {
; CHECK-LABEL: define nofpclass(inf zero sub norm) float @ret_known_zero_fdiv_known_zero
; CHECK-SAME: (float nofpclass(nan inf sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Could be zero of either sign, or nan
define float @ret_known_zero_fdiv_known_zero_or_nan(float nofpclass(inf norm sub nan) %arg0, float nofpclass(inf norm sub) %arg1) {
; CHECK-LABEL: define float @ret_known_zero_fdiv_known_zero_or_nan
; CHECK-SAME: (float nofpclass(nan inf sub norm) [[ARG0:%.*]], float nofpclass(inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

; Could be zero of either sign, or nan
define float @ret_known_zero_or_nan_fdiv_known_zero(float nofpclass(inf norm sub) %arg0, float nofpclass(inf norm sub nan) %arg1) {
; CHECK-LABEL: define nofpclass(zero sub norm) float @ret_known_zero_or_nan_fdiv_known_zero
; CHECK-SAME: (float nofpclass(inf sub norm) [[ARG0:%.*]], float nofpclass(nan inf sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_known_inf_or_nan_fdiv_unknown(float nofpclass(norm sub zero) %arg0, float %arg1) {
; CHECK-LABEL: define float @ret_known_inf_or_nan_fdiv_unknown
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]], float [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_unknown_fdiv_known_inf_or_nan(float %arg0, float nofpclass(norm sub zero) %arg1) {
; CHECK-LABEL: define float @ret_unknown_fdiv_known_inf_or_nan
; CHECK-SAME: (float [[ARG0:%.*]], float nofpclass(zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

define float @ret_known_inf_or_nan_fdiv_known_inf_or_nan(float nofpclass(norm sub zero) %arg0, float nofpclass(norm sub zero) %arg1) {
; CHECK-LABEL: define float @ret_known_inf_or_nan_fdiv_known_inf_or_nan
; CHECK-SAME: (float nofpclass(zero sub norm) [[ARG0:%.*]], float nofpclass(zero sub norm) [[ARG1:%.*]]) #[[ATTR4]] {
; CHECK-NEXT:    [[FDIV:%.*]] = fdiv float [[ARG0]], [[ARG1]]
; CHECK-NEXT:    ret float [[FDIV]]
;
  %fdiv = fdiv float %arg0, %arg1
  ret float %fdiv
}

attributes #0 = { denormal_fpenv(ieee|ieee) }
attributes #1 = { denormal_fpenv(ieee|preservesign) }
attributes #2 = { denormal_fpenv(ieee|positivezero) }
attributes #3 = { denormal_fpenv(ieee|dynamic) }
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; TUNIT: {{.*}}