test/CodeGen/AArch64/sve-fadda-select.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s | FileCheck %s

; Fold fadda(ptrue, x, select(mask, y, -0.0)) -> fadda(mask, x, y)

define float @pred_fadda_nxv2f32(float %x, <vscale x 2 x float> %y, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv2f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $s0 killed $s0 def $z0
; CHECK-NEXT:    fadda s0, p0, s0, z1.s
; CHECK-NEXT:    // kill: def $s0 killed $s0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 2 x float> poison, float -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 2 x float> %i, <vscale x 2 x float> poison, <vscale x 2 x i32> zeroinitializer
  %sel = select <vscale x 2 x i1> %mask, <vscale x 2 x float> %y, <vscale x 2 x float> %minus0
  %fadda = call float @llvm.vector.reduce.fadd.nxv2f32(float %x, <vscale x 2 x float> %sel)
  ret float %fadda
}

define float @pred_fadda_nxv4f32(float %x, <vscale x 4 x float> %y, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv4f32:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $s0 killed $s0 def $z0
; CHECK-NEXT:    fadda s0, p0, s0, z1.s
; CHECK-NEXT:    // kill: def $s0 killed $s0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 4 x float> poison, float -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 4 x float> %i, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
  %sel = select <vscale x 4 x i1> %mask, <vscale x 4 x float> %y, <vscale x 4 x float> %minus0
  %fadda = call float @llvm.vector.reduce.fadd.nxv4f32(float %x, <vscale x 4 x float> %sel)
  ret float %fadda
}

define double @pred_fadda_nxv2f64(double %x, <vscale x 2 x double> %y, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv2f64:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $d0 killed $d0 def $z0
; CHECK-NEXT:    fadda d0, p0, d0, z1.d
; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 2 x double> poison, double -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 2 x double> %i, <vscale x 2 x double> poison, <vscale x 2 x i32> zeroinitializer
  %sel = select <vscale x 2 x i1> %mask, <vscale x 2 x double> %y, <vscale x 2 x double> %minus0
  %fadda = call double @llvm.vector.reduce.fadd.nxv2f64(double %x, <vscale x 2 x double> %sel)
  ret double %fadda
}

define half @pred_fadda_nxv2f16(half %x, <vscale x 2 x half> %y, <vscale x 2 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv2f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $h0 killed $h0 def $z0
; CHECK-NEXT:    fadda h0, p0, h0, z1.h
; CHECK-NEXT:    // kill: def $h0 killed $h0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 2 x half> poison, half -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 2 x half> %i, <vscale x 2 x half> poison, <vscale x 2 x i32> zeroinitializer
  %sel = select <vscale x 2 x i1> %mask, <vscale x 2 x half> %y, <vscale x 2 x half> %minus0
  %fadda = call half @llvm.vector.reduce.fadd.nxv2f16(half %x, <vscale x 2 x half> %sel)
  ret half %fadda
}

define half @pred_fadda_nxv4f16(half %x, <vscale x 4 x half> %y, <vscale x 4 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv4f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $h0 killed $h0 def $z0
; CHECK-NEXT:    fadda h0, p0, h0, z1.h
; CHECK-NEXT:    // kill: def $h0 killed $h0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 4 x half> poison, half -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 4 x half> %i, <vscale x 4 x half> poison, <vscale x 4 x i32> zeroinitializer
  %sel = select <vscale x 4 x i1> %mask, <vscale x 4 x half> %y, <vscale x 4 x half> %minus0
  %fadda = call half @llvm.vector.reduce.fadd.nxv4f16(half %x, <vscale x 4 x half> %sel)
  ret half %fadda
}

define half @pred_fadda_nxv8f16(half %x, <vscale x 8 x half> %y, <vscale x 8 x i1> %mask) {
; CHECK-LABEL: pred_fadda_nxv8f16:
; CHECK:       // %bb.0:
; CHECK-NEXT:    // kill: def $h0 killed $h0 def $z0
; CHECK-NEXT:    fadda h0, p0, h0, z1.h
; CHECK-NEXT:    // kill: def $h0 killed $h0 killed $z0
; CHECK-NEXT:    ret
  %i = insertelement <vscale x 8 x half> poison, half -0.000000e+00, i32 0
  %minus0 = shufflevector <vscale x 8 x half> %i, <vscale x 8 x half> poison, <vscale x 8 x i32> zeroinitializer
  %sel = select <vscale x 8 x i1> %mask, <vscale x 8 x half> %y, <vscale x 8 x half> %minus0
  %fadda = call half @llvm.vector.reduce.fadd.nxv8f16(half %x, <vscale x 8 x half> %sel)
  ret half %fadda
}

declare float @llvm.vector.reduce.fadd.nxv2f32(float, <vscale x 2 x float>)
declare float @llvm.vector.reduce.fadd.nxv4f32(float, <vscale x 4 x float>)
declare double @llvm.vector.reduce.fadd.nxv2f64(double, <vscale x 2 x double>)
declare half @llvm.vector.reduce.fadd.nxv2f16(half, <vscale x 2 x half>)
declare half @llvm.vector.reduce.fadd.nxv4f16(half, <vscale x 4 x half>)
declare half @llvm.vector.reduce.fadd.nxv8f16(half, <vscale x 8 x half>)