|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -mtriple=aarch64 -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD,CHECK-SD-NOFP16 | 
|  | ; RUN: llc -mtriple=aarch64 -mattr=+fullfp16 -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD,CHECK-SD-FP16 | 
|  | ; RUN: llc -mtriple=aarch64 -global-isel -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-GI,CHECK-GI-NOFP16 | 
|  | ; RUN: llc -mtriple=aarch64 -mattr=+fullfp16 -global-isel -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-GI,CHECK-GI-FP16 | 
|  |  | 
|  | define float @add_HalfS(<2 x float> %bin.rdx)  { | 
|  | ; CHECK-SD-LABEL: add_HalfS: | 
|  | ; CHECK-SD:       // %bb.0: | 
|  | ; CHECK-SD-NEXT:    // kill: def $d0 killed $d0 def $q0 | 
|  | ; CHECK-SD-NEXT:    faddp s0, v0.2s | 
|  | ; CHECK-SD-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-LABEL: add_HalfS: | 
|  | ; CHECK-GI:       // %bb.0: | 
|  | ; CHECK-GI-NEXT:    faddp s0, v0.2s | 
|  | ; CHECK-GI-NEXT:    ret | 
|  | %r = call float @llvm.vector.reduce.fadd.f32.v2f32(float -0.0, <2 x float> %bin.rdx) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define half @add_HalfH(<4 x half> %bin.rdx)  { | 
|  | ; CHECK-SD-NOFP16-LABEL: add_HalfH: | 
|  | ; CHECK-SD-NOFP16:       // %bb.0: | 
|  | ; CHECK-SD-NOFP16-NEXT:    // kill: def $d0 killed $d0 def $q0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h1, v0.h[1] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s2, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h0, v0.h[3] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-SD-FP16-LABEL: add_HalfH: | 
|  | ; CHECK-SD-FP16:       // %bb.0: | 
|  | ; CHECK-SD-FP16-NEXT:    // kill: def $d0 killed $d0 def $q0 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h1, v0.h[2] | 
|  | ; CHECK-SD-FP16-NEXT:    faddp h2, v0.2h | 
|  | ; CHECK-SD-FP16-NEXT:    mov h0, v0.h[3] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h2, h1 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h1, h0 | 
|  | ; CHECK-SD-FP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-NOFP16-LABEL: add_HalfH: | 
|  | ; CHECK-GI-NOFP16:       // %bb.0: | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov w8, #32768 // =0x8000 | 
|  | ; CHECK-GI-NOFP16-NEXT:    // kill: def $d0 killed $d0 def $q0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fmov s1, w8 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[1] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h0, v0.h[3] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-FP16-LABEL: add_HalfH: | 
|  | ; CHECK-GI-FP16:       // %bb.0: | 
|  | ; CHECK-GI-FP16-NEXT:    // kill: def $d0 killed $d0 def $q0 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h1, v0.h[1] | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h0, h1 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h0, v0.h[3] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h1, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h1, h0 | 
|  | ; CHECK-GI-FP16-NEXT:    ret | 
|  | %r = call half @llvm.vector.reduce.fadd.f16.v4f16(half -0.0, <4 x half> %bin.rdx) | 
|  | ret half %r | 
|  | } | 
|  |  | 
|  |  | 
|  | define half @add_H(<8 x half> %bin.rdx)  { | 
|  | ; CHECK-SD-NOFP16-LABEL: add_H: | 
|  | ; CHECK-SD-NOFP16:       // %bb.0: | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h1, v0.h[1] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s2, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[3] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[4] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[5] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[6] | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-SD-FP16-LABEL: add_H: | 
|  | ; CHECK-SD-FP16:       // %bb.0: | 
|  | ; CHECK-SD-FP16-NEXT:    mov h1, v0.h[2] | 
|  | ; CHECK-SD-FP16-NEXT:    faddp h2, v0.2h | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v0.h[3] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h2, h1 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v0.h[4] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h1, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v0.h[5] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h1, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v0.h[6] | 
|  | ; CHECK-SD-FP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h1, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h1, h1, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h1, h0 | 
|  | ; CHECK-SD-FP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-NOFP16-LABEL: add_H: | 
|  | ; CHECK-GI-NOFP16:       // %bb.0: | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov w8, #32768 // =0x8000 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fmov s1, w8 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[1] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[3] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[4] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[5] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v0.h[6] | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h1, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-FP16-LABEL: add_H: | 
|  | ; CHECK-GI-FP16:       // %bb.0: | 
|  | ; CHECK-GI-FP16-NEXT:    mov h1, v0.h[2] | 
|  | ; CHECK-GI-FP16-NEXT:    faddp h2, v0.2h | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v0.h[3] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h2, h1 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v0.h[4] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h1, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v0.h[5] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h1, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v0.h[6] | 
|  | ; CHECK-GI-FP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h1, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h1, h1, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h1, h0 | 
|  | ; CHECK-GI-FP16-NEXT:    ret | 
|  | %r = call half @llvm.vector.reduce.fadd.f16.v8f16(half -0.0, <8 x half> %bin.rdx) | 
|  | ret half %r | 
|  | } | 
|  |  | 
|  | define float @add_S(<4 x float> %bin.rdx)  { | 
|  | ; CHECK-LABEL: add_S: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    mov s1, v0.s[2] | 
|  | ; CHECK-NEXT:    faddp s2, v0.2s | 
|  | ; CHECK-NEXT:    mov s0, v0.s[3] | 
|  | ; CHECK-NEXT:    fadd s1, s2, s1 | 
|  | ; CHECK-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-NEXT:    ret | 
|  | %r = call float @llvm.vector.reduce.fadd.f32.v4f32(float -0.0, <4 x float> %bin.rdx) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @add_D(<2 x double> %bin.rdx)  { | 
|  | ; CHECK-LABEL: add_D: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    faddp d0, v0.2d | 
|  | ; CHECK-NEXT:    ret | 
|  | %r = call double @llvm.vector.reduce.fadd.f64.v2f64(double -0.0, <2 x double> %bin.rdx) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | define half @add_2H(<16 x half> %bin.rdx)  { | 
|  | ; CHECK-SD-NOFP16-LABEL: add_2H: | 
|  | ; CHECK-SD-NOFP16:       // %bb.0: | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v0.h[1] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s3, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h3, v0.h[2] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h3, v0.h[3] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h3, v0.h[4] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h3, v0.h[5] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h3, v0.h[6] | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s2, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[1] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[2] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[3] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[4] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[5] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h2, v1.h[6] | 
|  | ; CHECK-SD-NOFP16-NEXT:    mov h1, v1.h[7] | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fadd s0, s0, s1 | 
|  | ; CHECK-SD-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-SD-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-SD-FP16-LABEL: add_2H: | 
|  | ; CHECK-SD-FP16:       // %bb.0: | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-SD-FP16-NEXT:    faddp h3, v0.2h | 
|  | ; CHECK-SD-FP16-NEXT:    mov h4, v0.h[3] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h2, h3, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v0.h[4] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h2, h2, h4 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h4, v0.h[5] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h2, h2, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v0.h[6] | 
|  | ; CHECK-SD-FP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h2, h2, h4 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h2, h2, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v1.h[2] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h2, h0 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v1.h[1] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h1 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v1.h[3] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v1.h[4] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h2, v1.h[5] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    mov h3, v1.h[6] | 
|  | ; CHECK-SD-FP16-NEXT:    mov h1, v1.h[7] | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-SD-FP16-NEXT:    fadd h0, h0, h1 | 
|  | ; CHECK-SD-FP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-NOFP16-LABEL: add_2H: | 
|  | ; CHECK-GI-NOFP16:       // %bb.0: | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov w8, #32768 // =0x8000 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fmov s2, w8 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[1] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[2] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[3] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[4] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[5] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h3, v0.h[6] | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s3, h3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s2, s2, s3 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h2, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s2, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[1] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[2] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[3] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[4] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[5] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h2, v1.h[6] | 
|  | ; CHECK-GI-NOFP16-NEXT:    mov h1, v1.h[7] | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s2, h2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s1, h1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt s0, h0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fadd s0, s0, s1 | 
|  | ; CHECK-GI-NOFP16-NEXT:    fcvt h0, s0 | 
|  | ; CHECK-GI-NOFP16-NEXT:    ret | 
|  | ; | 
|  | ; CHECK-GI-FP16-LABEL: add_2H: | 
|  | ; CHECK-GI-FP16:       // %bb.0: | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v0.h[2] | 
|  | ; CHECK-GI-FP16-NEXT:    faddp h3, v0.2h | 
|  | ; CHECK-GI-FP16-NEXT:    mov h4, v0.h[3] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h2, h3, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v0.h[4] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h2, h2, h4 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h4, v0.h[5] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h2, h2, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v0.h[6] | 
|  | ; CHECK-GI-FP16-NEXT:    mov h0, v0.h[7] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h2, h2, h4 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h2, h2, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v1.h[2] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h2, h0 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v1.h[1] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h1 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v1.h[3] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v1.h[4] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h2, v1.h[5] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    mov h3, v1.h[6] | 
|  | ; CHECK-GI-FP16-NEXT:    mov h1, v1.h[7] | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h2 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h3 | 
|  | ; CHECK-GI-FP16-NEXT:    fadd h0, h0, h1 | 
|  | ; CHECK-GI-FP16-NEXT:    ret | 
|  | %r = call half @llvm.vector.reduce.fadd.f16.v16f16(half -0.0, <16 x half> %bin.rdx) | 
|  | ret half %r | 
|  | } | 
|  |  | 
|  | define float @add_2S(<8 x float> %bin.rdx)  { | 
|  | ; CHECK-LABEL: add_2S: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    mov s2, v0.s[2] | 
|  | ; CHECK-NEXT:    faddp s3, v0.2s | 
|  | ; CHECK-NEXT:    mov s0, v0.s[3] | 
|  | ; CHECK-NEXT:    fadd s2, s3, s2 | 
|  | ; CHECK-NEXT:    mov s3, v1.s[2] | 
|  | ; CHECK-NEXT:    fadd s0, s2, s0 | 
|  | ; CHECK-NEXT:    mov s2, v1.s[1] | 
|  | ; CHECK-NEXT:    fadd s0, s0, s1 | 
|  | ; CHECK-NEXT:    mov s1, v1.s[3] | 
|  | ; CHECK-NEXT:    fadd s0, s0, s2 | 
|  | ; CHECK-NEXT:    fadd s0, s0, s3 | 
|  | ; CHECK-NEXT:    fadd s0, s0, s1 | 
|  | ; CHECK-NEXT:    ret | 
|  | %r = call float @llvm.vector.reduce.fadd.f32.v8f32(float -0.0, <8 x float> %bin.rdx) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | define double @add_2D(<4 x double> %bin.rdx)  { | 
|  | ; CHECK-LABEL: add_2D: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    faddp d0, v0.2d | 
|  | ; CHECK-NEXT:    mov d2, v1.d[1] | 
|  | ; CHECK-NEXT:    fadd d0, d0, d1 | 
|  | ; CHECK-NEXT:    fadd d0, d0, d2 | 
|  | ; CHECK-NEXT:    ret | 
|  | %r = call double @llvm.vector.reduce.fadd.f64.v4f64(double -0.0, <4 x double> %bin.rdx) | 
|  | ret double %r | 
|  | } | 
|  |  | 
|  | ; Added at least one test where the start value is not -0.0. | 
|  | define float @add_S_init_42(<4 x float> %bin.rdx)  { | 
|  | ; CHECK-LABEL: add_S_init_42: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    mov w8, #1109917696 // =0x42280000 | 
|  | ; CHECK-NEXT:    mov s2, v0.s[1] | 
|  | ; CHECK-NEXT:    mov s3, v0.s[2] | 
|  | ; CHECK-NEXT:    fmov s1, w8 | 
|  | ; CHECK-NEXT:    fadd s1, s0, s1 | 
|  | ; CHECK-NEXT:    mov s0, v0.s[3] | 
|  | ; CHECK-NEXT:    fadd s1, s1, s2 | 
|  | ; CHECK-NEXT:    fadd s1, s1, s3 | 
|  | ; CHECK-NEXT:    fadd s0, s1, s0 | 
|  | ; CHECK-NEXT:    ret | 
|  | %r = call float @llvm.vector.reduce.fadd.f32.v4f32(float 42.0, <4 x float> %bin.rdx) | 
|  | ret float %r | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare half @llvm.vector.reduce.fadd.f16.v4f16(half, <4 x half>) | 
|  | declare half @llvm.vector.reduce.fadd.f16.v8f16(half, <8 x half>) | 
|  | declare half @llvm.vector.reduce.fadd.f16.v16f16(half, <16 x half>) | 
|  | declare float @llvm.vector.reduce.fadd.f32.v2f32(float, <2 x float>) | 
|  | declare float @llvm.vector.reduce.fadd.f32.v4f32(float, <4 x float>) | 
|  | declare float @llvm.vector.reduce.fadd.f32.v8f32(float, <8 x float>) | 
|  | declare double @llvm.vector.reduce.fadd.f64.v2f64(double, <2 x double>) | 
|  | declare double @llvm.vector.reduce.fadd.f64.v4f64(double, <4 x double>) |