test/Bitcode/shuffle.ll

   1 ; RUN: llvm-as < %s | llvm-dis -disable-output
   2 ; RUN: verify-uselistorder < %s
   3
   4 ; <rdar://problem/8622574>
   5 ; tests the bitcodereader can handle the case where the reader will initially
   6 ; create shuffle with a place holder mask.
   7
   8
   9 define <4 x float> @test(<2 x double> %d2)  {
  10 entry:
  11   %call20.i = tail call <4 x float> @cmp(<2 x double> %d2,
  12                                         <2 x double> bitcast (
  13                                           <4 x float> shufflevector (
  14                                             <3 x float> shufflevector (
  15                                               <4 x float> shufflevector (
  16                                                 <3 x float> bitcast (
  17                                                   i96 trunc (
  18                                                     i128 bitcast (<2 x double> bitcast (
  19                                                       <4 x i32> <i32 0, i32 0, i32 0, i32 undef> to <2 x double>)
  20                                                     to i128) to i96)
  21                                                   to <3 x float>),
  22                                                 <3 x float> undef,
  23                                                 <4 x i32> <i32 0, i32 1, i32 2, i32 undef>),
  24                                               <4 x float> undef,
  25                                             <3 x i32> <i32 0, i32 1, i32 2>),
  26                                             <3 x float> undef,
  27                                             <4 x i32> <i32 0, i32 1, i32 2, i32 undef>)
  28                                           to <2 x double>))
  29   ret <4 x float> %call20.i
  30 }
  31
  32 declare <4 x float> @cmp(<2 x double>, <2 x double>)