test/Bitcode/shuffle.ll

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