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      1 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mattr=+avx,+fma4 | FileCheck %s
      2 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -mattr=+avx,-fma | FileCheck %s
      3 
      4 ; VFMADD
      5 define < 4 x float > @test_x86_fma_vfmadd_ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
      6   ; CHECK: vfmaddss
      7   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
      8   ret < 4 x float > %res
      9 }
     10 define < 4 x float > @test_x86_fma_vfmadd_ss_load(< 4 x float > %a0, < 4 x float > %a1, float* %a2) {
     11   ; CHECK: vfmaddss (%{{.*}})
     12   %x = load float *%a2
     13   %y = insertelement <4 x float> undef, float %x, i32 0
     14   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %y) ; <i64> [#uses=1]
     15   ret < 4 x float > %res
     16 }
     17 define < 4 x float > @test_x86_fma_vfmadd_ss_load2(< 4 x float > %a0, float* %a1, < 4 x float > %a2) {
     18   ; CHECK: vfmaddss %{{.*}}, (%{{.*}})
     19   %x = load float *%a1
     20   %y = insertelement <4 x float> undef, float %x, i32 0
     21   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ss(< 4 x float > %a0, < 4 x float > %y, < 4 x float > %a2) ; <i64> [#uses=1]
     22   ret < 4 x float > %res
     23 }
     24 declare < 4 x float > @llvm.x86.fma.vfmadd.ss(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
     25 
     26 define < 2 x double > @test_x86_fma_vfmadd_sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
     27   ; CHECK: vfmaddsd
     28   %res = call < 2 x double > @llvm.x86.fma.vfmadd.sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
     29   ret < 2 x double > %res
     30 }
     31 define < 2 x double > @test_x86_fma_vfmadd_sd_load(< 2 x double > %a0, < 2 x double > %a1, double* %a2) {
     32   ; CHECK: vfmaddsd (%{{.*}})
     33   %x = load double *%a2
     34   %y = insertelement <2 x double> undef, double %x, i32 0
     35   %res = call < 2 x double > @llvm.x86.fma.vfmadd.sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %y) ; <i64> [#uses=1]
     36   ret < 2 x double > %res
     37 }
     38 define < 2 x double > @test_x86_fma_vfmadd_sd_load2(< 2 x double > %a0, double* %a1, < 2 x double > %a2) {
     39   ; CHECK: vfmaddsd %{{.*}}, (%{{.*}})
     40   %x = load double *%a1
     41   %y = insertelement <2 x double> undef, double %x, i32 0
     42   %res = call < 2 x double > @llvm.x86.fma.vfmadd.sd(< 2 x double > %a0, < 2 x double > %y, < 2 x double > %a2) ; <i64> [#uses=1]
     43   ret < 2 x double > %res
     44 }
     45 declare < 2 x double > @llvm.x86.fma.vfmadd.sd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
     46 
     47 define < 4 x float > @test_x86_fma_vfmadd_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
     48   ; CHECK: vfmaddps
     49   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
     50   ret < 4 x float > %res
     51 }
     52 define < 4 x float > @test_x86_fma_vfmadd_ps_load(< 4 x float > %a0, < 4 x float > %a1, < 4 x float >* %a2) {
     53   ; CHECK: vfmaddps (%{{.*}})
     54   %x = load <4 x float>* %a2
     55   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %x) ; <i64> [#uses=1]
     56   ret < 4 x float > %res
     57 }
     58 define < 4 x float > @test_x86_fma_vfmadd_ps_load2(< 4 x float > %a0, < 4 x float >* %a1, < 4 x float > %a2) {
     59   ; CHECK: vfmaddps %{{.*}}, (%{{.*}})
     60   %x = load <4 x float>* %a1
     61   %res = call < 4 x float > @llvm.x86.fma.vfmadd.ps(< 4 x float > %a0, < 4 x float > %x, < 4 x float > %a2) ; <i64> [#uses=1]
     62   ret < 4 x float > %res
     63 }
     64 declare < 4 x float > @llvm.x86.fma.vfmadd.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
     65 
     66 define < 2 x double > @test_x86_fma_vfmadd_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
     67   ; CHECK: vfmaddpd
     68   %res = call < 2 x double > @llvm.x86.fma.vfmadd.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
     69   ret < 2 x double > %res
     70 }
     71 define < 2 x double > @test_x86_fma_vfmadd_pd_load(< 2 x double > %a0, < 2 x double > %a1, < 2 x double >* %a2) {
     72   ; CHECK: vfmaddpd (%{{.*}})
     73   %x = load <2 x double>* %a2
     74   %res = call < 2 x double > @llvm.x86.fma.vfmadd.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %x) ; <i64> [#uses=1]
     75   ret < 2 x double > %res
     76 }
     77 define < 2 x double > @test_x86_fma_vfmadd_pd_load2(< 2 x double > %a0, < 2 x double >* %a1, < 2 x double > %a2) {
     78   ; CHECK: vfmaddpd %{{.*}}, (%{{.*}})
     79   %x = load <2 x double>* %a1
     80   %res = call < 2 x double > @llvm.x86.fma.vfmadd.pd(< 2 x double > %a0, < 2 x double > %x, < 2 x double > %a2) ; <i64> [#uses=1]
     81   ret < 2 x double > %res
     82 }
     83 declare < 2 x double > @llvm.x86.fma.vfmadd.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
     84 
     85 define < 8 x float > @test_x86_fma_vfmadd_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
     86   ; CHECK: vfmaddps
     87   ; CHECK: ymm
     88   %res = call < 8 x float > @llvm.x86.fma.vfmadd.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
     89   ret < 8 x float > %res
     90 }
     91 declare < 8 x float > @llvm.x86.fma.vfmadd.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
     92 
     93 define < 4 x double > @test_x86_fma_vfmadd_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
     94   ; CHECK: vfmaddpd
     95   ; CHECK: ymm
     96   %res = call < 4 x double > @llvm.x86.fma.vfmadd.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
     97   ret < 4 x double > %res
     98 }
     99 declare < 4 x double > @llvm.x86.fma.vfmadd.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    100 
    101 ; VFMSUB
    102 define < 4 x float > @test_x86_fma_vfmsub_ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    103   ; CHECK: vfmsubss
    104   %res = call < 4 x float > @llvm.x86.fma.vfmsub.ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    105   ret < 4 x float > %res
    106 }
    107 declare < 4 x float > @llvm.x86.fma.vfmsub.ss(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    108 
    109 define < 2 x double > @test_x86_fma_vfmsub_sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    110   ; CHECK: vfmsubsd
    111   %res = call < 2 x double > @llvm.x86.fma.vfmsub.sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    112   ret < 2 x double > %res
    113 }
    114 declare < 2 x double > @llvm.x86.fma.vfmsub.sd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    115 
    116 define < 4 x float > @test_x86_fma_vfmsub_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    117   ; CHECK: vfmsubps
    118   %res = call < 4 x float > @llvm.x86.fma.vfmsub.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    119   ret < 4 x float > %res
    120 }
    121 declare < 4 x float > @llvm.x86.fma.vfmsub.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    122 
    123 define < 2 x double > @test_x86_fma_vfmsub_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    124   ; CHECK: vfmsubpd
    125   %res = call < 2 x double > @llvm.x86.fma.vfmsub.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    126   ret < 2 x double > %res
    127 }
    128 declare < 2 x double > @llvm.x86.fma.vfmsub.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    129 
    130 define < 8 x float > @test_x86_fma_vfmsub_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
    131   ; CHECK: vfmsubps
    132   ; CHECK: ymm
    133   %res = call < 8 x float > @llvm.x86.fma.vfmsub.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
    134   ret < 8 x float > %res
    135 }
    136 declare < 8 x float > @llvm.x86.fma.vfmsub.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
    137 
    138 define < 4 x double > @test_x86_fma_vfmsub_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
    139   ; CHECK: vfmsubpd
    140   ; CHECK: ymm
    141   %res = call < 4 x double > @llvm.x86.fma.vfmsub.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
    142   ret < 4 x double > %res
    143 }
    144 declare < 4 x double > @llvm.x86.fma.vfmsub.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    145 
    146 ; VFNMADD
    147 define < 4 x float > @test_x86_fma_vfnmadd_ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    148   ; CHECK: vfnmaddss
    149   %res = call < 4 x float > @llvm.x86.fma.vfnmadd.ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    150   ret < 4 x float > %res
    151 }
    152 declare < 4 x float > @llvm.x86.fma.vfnmadd.ss(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    153 
    154 define < 2 x double > @test_x86_fma_vfnmadd_sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    155   ; CHECK: vfnmaddsd
    156   %res = call < 2 x double > @llvm.x86.fma.vfnmadd.sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    157   ret < 2 x double > %res
    158 }
    159 declare < 2 x double > @llvm.x86.fma.vfnmadd.sd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    160 
    161 define < 4 x float > @test_x86_fma_vfnmadd_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    162   ; CHECK: vfnmaddps
    163   %res = call < 4 x float > @llvm.x86.fma.vfnmadd.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    164   ret < 4 x float > %res
    165 }
    166 declare < 4 x float > @llvm.x86.fma.vfnmadd.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    167 
    168 define < 2 x double > @test_x86_fma_vfnmadd_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    169   ; CHECK: vfnmaddpd
    170   %res = call < 2 x double > @llvm.x86.fma.vfnmadd.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    171   ret < 2 x double > %res
    172 }
    173 declare < 2 x double > @llvm.x86.fma.vfnmadd.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    174 
    175 define < 8 x float > @test_x86_fma_vfnmadd_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
    176   ; CHECK: vfnmaddps
    177   ; CHECK: ymm
    178   %res = call < 8 x float > @llvm.x86.fma.vfnmadd.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
    179   ret < 8 x float > %res
    180 }
    181 declare < 8 x float > @llvm.x86.fma.vfnmadd.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
    182 
    183 define < 4 x double > @test_x86_fma_vfnmadd_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
    184   ; CHECK: vfnmaddpd
    185   ; CHECK: ymm
    186   %res = call < 4 x double > @llvm.x86.fma.vfnmadd.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
    187   ret < 4 x double > %res
    188 }
    189 declare < 4 x double > @llvm.x86.fma.vfnmadd.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    190 
    191 ; VFNMSUB
    192 define < 4 x float > @test_x86_fma_vfnmsub_ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    193   ; CHECK: vfnmsubss
    194   %res = call < 4 x float > @llvm.x86.fma.vfnmsub.ss(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    195   ret < 4 x float > %res
    196 }
    197 declare < 4 x float > @llvm.x86.fma.vfnmsub.ss(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    198 
    199 define < 2 x double > @test_x86_fma_vfnmsub_sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    200   ; CHECK: vfnmsubsd
    201   %res = call < 2 x double > @llvm.x86.fma.vfnmsub.sd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    202   ret < 2 x double > %res
    203 }
    204 declare < 2 x double > @llvm.x86.fma.vfnmsub.sd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    205 
    206 define < 4 x float > @test_x86_fma_vfnmsub_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    207   ; CHECK: vfnmsubps
    208   %res = call < 4 x float > @llvm.x86.fma.vfnmsub.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    209   ret < 4 x float > %res
    210 }
    211 declare < 4 x float > @llvm.x86.fma.vfnmsub.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    212 
    213 define < 2 x double > @test_x86_fma_vfnmsub_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    214   ; CHECK: vfnmsubpd
    215   %res = call < 2 x double > @llvm.x86.fma.vfnmsub.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    216   ret < 2 x double > %res
    217 }
    218 declare < 2 x double > @llvm.x86.fma.vfnmsub.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    219 
    220 define < 8 x float > @test_x86_fma_vfnmsub_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
    221   ; CHECK: vfnmsubps
    222   ; CHECK: ymm
    223   %res = call < 8 x float > @llvm.x86.fma.vfnmsub.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
    224   ret < 8 x float > %res
    225 }
    226 declare < 8 x float > @llvm.x86.fma.vfnmsub.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
    227 
    228 define < 4 x double > @test_x86_fma_vfnmsub_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
    229   ; CHECK: vfnmsubpd
    230   ; CHECK: ymm
    231   %res = call < 4 x double > @llvm.x86.fma.vfnmsub.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
    232   ret < 4 x double > %res
    233 }
    234 declare < 4 x double > @llvm.x86.fma.vfnmsub.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    235 
    236 ; VFMADDSUB
    237 define < 4 x float > @test_x86_fma_vfmaddsub_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    238   ; CHECK: vfmaddsubps
    239   %res = call < 4 x float > @llvm.x86.fma.vfmaddsub.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    240   ret < 4 x float > %res
    241 }
    242 declare < 4 x float > @llvm.x86.fma.vfmaddsub.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    243 
    244 define < 2 x double > @test_x86_fma_vfmaddsub_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    245   ; CHECK: vfmaddsubpd
    246   %res = call < 2 x double > @llvm.x86.fma.vfmaddsub.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    247   ret < 2 x double > %res
    248 }
    249 declare < 2 x double > @llvm.x86.fma.vfmaddsub.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    250 
    251 define < 8 x float > @test_x86_fma_vfmaddsub_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
    252   ; CHECK: vfmaddsubps
    253   ; CHECK: ymm
    254   %res = call < 8 x float > @llvm.x86.fma.vfmaddsub.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
    255   ret < 8 x float > %res
    256 }
    257 declare < 8 x float > @llvm.x86.fma.vfmaddsub.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
    258 
    259 define < 4 x double > @test_x86_fma_vfmaddsub_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
    260   ; CHECK: vfmaddsubpd
    261   ; CHECK: ymm
    262   %res = call < 4 x double > @llvm.x86.fma.vfmaddsub.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
    263   ret < 4 x double > %res
    264 }
    265 declare < 4 x double > @llvm.x86.fma.vfmaddsub.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    266 
    267 ; VFMSUBADD
    268 define < 4 x float > @test_x86_fma_vfmsubadd_ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) {
    269   ; CHECK: vfmsubaddps
    270   %res = call < 4 x float > @llvm.x86.fma.vfmsubadd.ps(< 4 x float > %a0, < 4 x float > %a1, < 4 x float > %a2) ; <i64> [#uses=1]
    271   ret < 4 x float > %res
    272 }
    273 declare < 4 x float > @llvm.x86.fma.vfmsubadd.ps(< 4 x float >, < 4 x float >, < 4 x float >) nounwind readnone
    274 
    275 define < 2 x double > @test_x86_fma_vfmsubadd_pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) {
    276   ; CHECK: vfmsubaddpd
    277   %res = call < 2 x double > @llvm.x86.fma.vfmsubadd.pd(< 2 x double > %a0, < 2 x double > %a1, < 2 x double > %a2) ; <i64> [#uses=1]
    278   ret < 2 x double > %res
    279 }
    280 declare < 2 x double > @llvm.x86.fma.vfmsubadd.pd(< 2 x double >, < 2 x double >, < 2 x double >) nounwind readnone
    281 
    282 define < 8 x float > @test_x86_fma_vfmsubadd_ps_256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) {
    283   ; CHECK: vfmsubaddps
    284   ; CHECK: ymm
    285   %res = call < 8 x float > @llvm.x86.fma.vfmsubadd.ps.256(< 8 x float > %a0, < 8 x float > %a1, < 8 x float > %a2) ; <i64> [#uses=1]
    286   ret < 8 x float > %res
    287 }
    288 declare < 8 x float > @llvm.x86.fma.vfmsubadd.ps.256(< 8 x float >, < 8 x float >, < 8 x float >) nounwind readnone
    289 
    290 define < 4 x double > @test_x86_fma_vfmsubadd_pd_256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) {
    291   ; CHECK: vfmsubaddpd
    292   ; CHECK: ymm
    293   %res = call < 4 x double > @llvm.x86.fma.vfmsubadd.pd.256(< 4 x double > %a0, < 4 x double > %a1, < 4 x double > %a2) ; <i64> [#uses=1]
    294   ret < 4 x double > %res
    295 }
    296 declare < 4 x double > @llvm.x86.fma.vfmsubadd.pd.256(< 4 x double >, < 4 x double >, < 4 x double >) nounwind readnone
    297