llvm/test/CodeGen/LoongArch/fp-reciprocal.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA32F
; RUN: llc --mtriple=loongarch32 --mattr=+d < %s | FileCheck %s --check-prefix=LA32D
; RUN: llc --mtriple=loongarch64 --mattr=+f,-d < %s | FileCheck %s --check-prefix=LA64F
; RUN: llc --mtriple=loongarch64 --mattr=+d < %s | FileCheck %s --check-prefix=LA64D


define float @f32_reciprocal(float %a) nounwind {
; LA32F-LABEL: f32_reciprocal:
; LA32F:       # %bb.0:
; LA32F-NEXT:    frecip.s $fa0, $fa0
; LA32F-NEXT:    ret
;
; LA32D-LABEL: f32_reciprocal:
; LA32D:       # %bb.0:
; LA32D-NEXT:    frecip.s $fa0, $fa0
; LA32D-NEXT:    ret
;
; LA64F-LABEL: f32_reciprocal:
; LA64F:       # %bb.0:
; LA64F-NEXT:    frecip.s $fa0, $fa0
; LA64F-NEXT:    ret
;
; LA64D-LABEL: f32_reciprocal:
; LA64D:       # %bb.0:
; LA64D-NEXT:    frecip.s $fa0, $fa0
; LA64D-NEXT:    ret
  %1 = fdiv float 1.0, %a
  ret float %1
}

define double @f64_reciprocal(double %a) nounwind {
; LA32F-LABEL: f64_reciprocal:
; LA32F:       # %bb.0:
; LA32F-NEXT:    addi.w $sp, $sp, -16
; LA32F-NEXT:    st.w $ra, $sp, 12 # 4-byte Folded Spill
; LA32F-NEXT:    move $a3, $a1
; LA32F-NEXT:    move $a2, $a0
; LA32F-NEXT:    lu12i.w $a1, 261888
; LA32F-NEXT:    move $a0, $zero
; LA32F-NEXT:    bl %plt(__divdf3)
; LA32F-NEXT:    ld.w $ra, $sp, 12 # 4-byte Folded Reload
; LA32F-NEXT:    addi.w $sp, $sp, 16
; LA32F-NEXT:    ret
;
; LA32D-LABEL: f64_reciprocal:
; LA32D:       # %bb.0:
; LA32D-NEXT:    frecip.d $fa0, $fa0
; LA32D-NEXT:    ret
;
; LA64F-LABEL: f64_reciprocal:
; LA64F:       # %bb.0:
; LA64F-NEXT:    addi.d $sp, $sp, -16
; LA64F-NEXT:    st.d $ra, $sp, 8 # 8-byte Folded Spill
; LA64F-NEXT:    move $a1, $a0
; LA64F-NEXT:    lu52i.d $a0, $zero, 1023
; LA64F-NEXT:    bl %plt(__divdf3)
; LA64F-NEXT:    ld.d $ra, $sp, 8 # 8-byte Folded Reload
; LA64F-NEXT:    addi.d $sp, $sp, 16
; LA64F-NEXT:    ret
;
; LA64D-LABEL: f64_reciprocal:
; LA64D:       # %bb.0:
; LA64D-NEXT:    frecip.d $fa0, $fa0
; LA64D-NEXT:    ret
  %1 = fdiv double 1.0, %a
  ret double %1
}