[LLVMbugs] [Bug 10627] New: [AVX] cannot select v4i64 = vector_shuffle crash

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10627

           Summary: [AVX] cannot select v4i64 = vector_shuffle crash
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: matt at pharr.org
                CC: llvmbugs at cs.uiuc.edu


WIth the attached, if I run llc -mattr=+avx with top-of-tree, I'm getting:


LLVM ERROR: Cannot select: 0x7fb011035010: v4i64 = vector_shuffle
0x7fb011038c10, 0x7fb011032610<2,3,u,u> [ID=37]
  0x7fb011038c10: v4i64 = insert_subvector 0x7fb011038a10, 0x7fb011039410,
0x7fb011038b10 [ID=36]
    0x7fb011038a10: v4i64 = insert_subvector 0x7fb011032610, 0x7fb011039010,
0x7fb011031810 [ID=35]
      0x7fb011032610: v4i64 = undef [ID=7]
      0x7fb011039010: v2i64 = X86ISD::PUNPCKLQDQ 0x7fb011038d10, 0x7fb011038e10
[ID=33]
        0x7fb011038d10: v2i64 = scalar_to_vector 0x7fb011031b10 [ID=29]
          0x7fb011031b10: i64,ch = load 0x7fb011036910, 0x7fb011036810,
0x7fb011034710<LD4[FixedStack0](align=16), zext from i32> [ID=25]
            0x7fb011036810: i64 = FrameIndex<0> [ID=8]
            0x7fb011034710: i64 = undef [ID=6]
        0x7fb011038e10: v2i64 = scalar_to_vector 0x7fb011034510 [ID=30]
          0x7fb011034510: i64,ch = load 0x7fb011036910, 0x7fb011031a10,
0x7fb011034710<LD4[FixedStack0+4], zext from i32> [ID=26]
            0x7fb011031a10: i64 = or 0x7fb011036810, 0x7fb011035110 [ID=22]
              0x7fb011036810: i64 = FrameIndex<0> [ID=8]
              0x7fb011035110: i64 = Constant<4> [ID=11]
            0x7fb011034710: i64 = undef [ID=6]
      0x7fb011031810: i32 = Constant<0> [ORD=1] [ID=1]
    0x7fb011039410: v2i64 = X86ISD::PUNPCKLQDQ 0x7fb011039110, 0x7fb011039210
[ID=34]
      0x7fb011039110: v2i64 = scalar_to_vector 0x7fb011034f10 [ID=31]
        0x7fb011034f10: i64,ch = load 0x7fb011036910, 0x7fb011037610,
0x7fb011034710<LD4[FixedStack0+8](align=8), zext from i32> [ID=27]
          0x7fb011037610: i64 = or 0x7fb011036810, 0x7fb011032110 [ID=21]
            0x7fb011036810: i64 = FrameIndex<0> [ID=8]
            0x7fb011032110: i64 = Constant<8> [ID=10]
          0x7fb011034710: i64 = undef [ID=6]
      0x7fb011039210: v2i64 = scalar_to_vector 0x7fb011034b10 [ID=32]
        0x7fb011034b10: i64,ch = load 0x7fb011036910, 0x7fb011035210,
0x7fb011034710<LD4[FixedStack0+12], zext from i32> [ID=28]
          0x7fb011035210: i64 = or 0x7fb011036810, 0x7fb011036a10 [ID=20]
            0x7fb011036810: i64 = FrameIndex<0> [ID=8]
            0x7fb011036a10: i64 = Constant<12> [ID=9]
          0x7fb011034710: i64 = undef [ID=6]
    0x7fb011038b10: i32 = Constant<2> [ID=12]
  0x7fb011032610: v4i64 = undef [ID=7]

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