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llvm-mirror/test/CodeGen/ARM/pow.ll
David Green e94b9b0c8b [Codegen][ARM] Add float softening for cbrt
We would previously have no soft-float softening for cbrt, so could hit
a crash failing to select. This fills in what appears to be missing.

Differential Revision: https://reviews.llvm.org/D69345
2019-10-28 11:08:55 +00:00

109 lines
3.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; 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
}