llvm/test/CodeGen/ARM/pow.ll

; RUN: llc < %s -mtriple=thumbv7m-linux-gnueabi              | FileCheck %s --check-prefixes=ANY,SOFTFLOAT
; RUN: llc < %s -mtriple=thumbv8-linux-gnueabihf -mattr=neon | FileCheck %s --check-prefixes=ANY,HARDFLOAT

declare float @llvm.pow.f32(float, float)
declare <4 x float> @llvm.pow.v4f32(<4 x float>, <4 x float>)

declare double @llvm.pow.f64(double, double)
declare <2 x double> @llvm.pow.v2f64(<2 x double>, <2 x double>)

define float @pow_f32_one_fourth_fmf(float %x) nounwind {
; ANY-LABEL: pow_f32_one_fourth_fmf:
; SOFTFLOAT:    bl powf
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
  %r = call nsz ninf afn float @llvm.pow.f32(float %x, float 2.5e-01)
  ret float %r
}

define double @pow_f64_one_fourth_fmf(double %x) nounwind {
; ANY-LABEL: pow_f64_one_fourth_fmf:
; SOFTFLOAT:    bl pow
; HARDFLOAT:    vsqrt.f64
; HARDFLOAT:    vsqrt.f64
  %r = call nsz ninf afn double @llvm.pow.f64(double %x, double 2.5e-01)
  ret double %r
}

define float @pow_f32_one_third_fmf(float %x) nounwind {
; ANY-LABEL: pow_f32_one_third_fmf:
; SOFTFLOAT:    bl cbrtf
; HARDFLOAT:    b cbrtf
  %r = call fast float @llvm.pow.f32(float %x, float 0x3FD5555560000000)
  ret float %r
}

define double @pow_f64_one_third_fmf(double %x) nounwind {
; ANY-LABEL: pow_f64_one_third_fmf:
; SOFTFLOAT:    bl cbrt
; HARDFLOAT:    b cbrt
  %r = call fast double @llvm.pow.f64(double %x, double 0x3FD5555555555555)
  ret double %r
}

define <4 x float> @pow_v4f32_one_fourth_fmf(<4 x float> %x) nounwind {
; ANY-LABEL: pow_v4f32_one_fourth_fmf:
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
; HARDFLOAT:    vsqrt.f32
  %r = call fast <4 x float> @llvm.pow.v4f32(<4 x float> %x, <4 x float> <float 2.5e-1, float 2.5e-1, float 2.5e-01, float 2.5e-01>)
  ret <4 x float> %r
}

define <2 x double> @pow_v2f64_one_fourth_fmf(<2 x double> %x) nounwind {
; ANY-LABEL: pow_v2f64_one_fourth_fmf:
; SOFTFLOAT:    bl pow
; SOFTFLOAT:    bl pow
; HARDFLOAT:    vsqrt.f64
; HARDFLOAT:    vsqrt.f64
; HARDFLOAT:    vsqrt.f64
; HARDFLOAT:    vsqrt.f64
  %r = call fast <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 2.5e-1, double 2.5e-1>)
  ret <2 x double> %r
}

define float @pow_f32_one_fourth_not_enough_fmf(float %x) nounwind {
; ANY-LABEL: pow_f32_one_fourth_not_enough_fmf:
; SOFTFLOAT:    bl powf
; HARDFLOAT:    b powf
  %r = call afn ninf float @llvm.pow.f32(float %x, float 2.5e-01)
  ret float %r
}

define double @pow_f64_one_fourth_not_enough_fmf(double %x) nounwind {
; ANY-LABEL: pow_f64_one_fourth_not_enough_fmf:
; SOFTFLOAT:    bl pow
; HARDFLOAT:    b pow
  %r = call nsz ninf double @llvm.pow.f64(double %x, double 2.5e-01)
  ret double %r
}

define <4 x float> @pow_v4f32_one_fourth_not_enough_fmf(<4 x float> %x) nounwind {
; ANY-LABEL: pow_v4f32_one_fourth_not_enough_fmf:
; ANY:    bl powf
; ANY:    bl powf
; ANY:    bl powf
; ANY:    bl powf
  %r = call afn nsz <4 x float> @llvm.pow.v4f32(<4 x float> %x, <4 x float> <float 2.5e-1, float 2.5e-1, float 2.5e-01, float 2.5e-01>)
  ret <4 x float> %r
}

define <2 x double> @pow_v2f64_one_fourth_not_enough_fmf(<2 x double> %x) nounwind {
; ANY-LABEL: pow_v2f64_one_fourth_not_enough_fmf:
; ANY:    bl pow
; ANY:    bl pow
  %r = call nsz nnan reassoc <2 x double> @llvm.pow.v2f64(<2 x double> %x, <2 x double> <double 2.5e-1, double 2.5e-1>)
  ret <2 x double> %r
}

define <4 x float> @test_pow_one_third_v4f32(<4 x float> %x) nounwind {
; SOFTFLOAT-LABEL: test_pow_one_third_v4f32:
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
; SOFTFLOAT:    bl powf
;
; HARDFLOAT-LABEL: test_pow_one_third_v4f32:
; HARDFLOAT:    bl cbrtf
; HARDFLOAT:    bl cbrtf
; HARDFLOAT:    bl cbrtf
; HARDFLOAT:    bl cbrtf
  %r = call fast <4 x float> @llvm.pow.v4f32(<4 x float> %x, <4 x float> splat (float 0x3FD5555560000000))
  ret <4 x float> %r
}