llvm/test/CodeGen/X86/2011-02-12-shuffle.ll

   1 ; RUN: llc < %s
   2 ; PR9165
   3
   4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
   5 target triple = "i686-pc-win32"
   6
   7 define void @m_387() nounwind {
   8 entry:
   9   br i1 undef, label %if.end, label %UnifiedReturnBlock
  10
  11 if.end:                                           ; preds = %entry
  12   %tmp1067 = load <16 x i32>, ptr addrspace(1) null, align 64
  13   %tmp1082 = shufflevector         <16 x i32> <i32 0, i32 0, i32 0, i32 undef, i32 undef, i32 0, i32 0, i32 undef, i32 0, i32 0, i32 undef, i32 undef, i32 0, i32 undef, i32 undef, i32 undef>,
  14                                                                                                                 <16 x i32> %tmp1067,
  15                                                                                                                 <16 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 26, i32 5, i32 6, i32 undef, i32 8, i32 9, i32 31, i32 30, i32 12, i32 undef, i32 undef, i32 undef>
  16
  17   %tmp1100 = shufflevector         <16 x i32> %tmp1082,
  18                                                                                                                 <16 x i32> %tmp1067,
  19                                                                                                                 <16 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 4, i32 5, i32 6, i32 18, i32 8, i32 9, i32 10, i32 11, i32 12, i32 25, i32 undef, i32 17>
  20
  21   %tmp1112 = shufflevector         <16 x i32> %tmp1100,
  22                                                                                                                 <16 x i32> %tmp1067,
  23                                                                                                                 <16 x i32> <i32 0, i32 1, i32 2, i32 24, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 18, i32 15>
  24
  25   store <16 x i32> %tmp1112, ptr addrspace(1) undef, align 64
  26
  27   ret void
  28
  29 UnifiedReturnBlock:                               ; preds = %entry
  30   ret void
  31 }
  32