=== vecload2
Initial selection DAG: BB#0 'vecload2:entry'
SelectionDAG has 24 nodes:
  0x1844e08: ch = EntryToken

    0x1844e08: <multiple use>
    0x1878b40: i64 = Register %vreg0

  0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40

  0x1878f40: i64 = undef

    0x1844e08: <multiple use>
      0x1878c40: <multiple use>
      0x1878d40: i64 = Constant<36>

    0x1878e40: i64 = add 0x1878c40, 0x1878d40

    0x1878f40: <multiple use>
  0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]>

    0x1844e08: <multiple use>
        0x1844e08: <multiple use>
          0x1878c40: <multiple use>
          0x1879140: i64 = Constant<44>

        0x1879240: i64 = add 0x1878c40, 0x1879140

        0x1878f40: <multiple use>
      0x1879340: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD8[undef]>

      0x1879440: i64 = Constant<4294967295>

    0x1879540: i64 = and 0x1879340, 0x1879440 [ORD=2]

    0x1878f40: <multiple use>
  0x1879740: v2i32,ch = load 0x1844e08, 0x1879540, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4]

  0x1879840: i32 = Constant<0>

  0x187ab00: i32 = Constant<1>

        0x1879740: <multiple use>
          0x1879740: <multiple use>
          0x1879640: i64 = Constant<0>

        0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5]

        0x1879040: <multiple use>
        0x1878f40: <multiple use>
      0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6]

        0x1879740: <multiple use>
        0x187ac00: i64 = Constant<1>

      0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7]

        0x1879040: <multiple use>
        0x187ae00: i64 = Constant<4>

      0x187af00: i64 = add 0x1879040, 0x187ae00 [ORD=8]

      0x1878f40: <multiple use>
    0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9]

  0x187b100: ch = RET_FLAG 0x187b000 [ORD=10]


Optimized lowered selection DAG: BB#0 'vecload2:entry'
SelectionDAG has 20 nodes:
  0x1844e08: ch = EntryToken

    0x1844e08: <multiple use>
    0x1878b40: i64 = Register %vreg0

  0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40

  0x1878f40: i64 = undef

    0x1844e08: <multiple use>
      0x1878c40: <multiple use>
      0x1878d40: i64 = Constant<36>

    0x1878e40: i64 = add 0x1878c40, 0x1878d40

    0x1878f40: <multiple use>
  0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]>

    0x1844e08: <multiple use>
      0x1844e08: <multiple use>
        0x1878c40: <multiple use>
        0x1879140: i64 = Constant<44>

      0x1879240: i64 = add 0x1878c40, 0x1879140

      0x1878f40: <multiple use>
    0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32>

    0x1878f40: <multiple use>
  0x1879740: v2i32,ch = load 0x1844e08, 0x1879840, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4]

        0x1879740: <multiple use>
          0x1879740: <multiple use>
          0x1879640: i64 = Constant<0>

        0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5]

        0x1879040: <multiple use>
        0x1878f40: <multiple use>
      0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6]

        0x1879740: <multiple use>
        0x187ac00: i64 = Constant<1>

      0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7]

        0x1879040: <multiple use>
        0x187ae00: i64 = Constant<4>

      0x187af00: i64 = add 0x1879040, 0x187ae00 [ORD=8]

      0x1878f40: <multiple use>
    0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9]

  0x187b100: ch = RET_FLAG 0x187b000 [ORD=10]


Type-legalized selection DAG: BB#0 'vecload2:entry'
SelectionDAG has 20 nodes:
  0x1844e08: ch = EntryToken [ID=-3]

    0x1844e08: <multiple use>
    0x1878b40: i64 = Register %vreg0 [ID=-3]

  0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40 [ID=-3]

  0x1878f40: i64 = undef [ID=-3]

    0x1844e08: <multiple use>
      0x1878c40: <multiple use>
      0x1878d40: i64 = Constant<36> [ID=-3]

    0x1878e40: i64 = add 0x1878c40, 0x1878d40 [ID=-3]

    0x1878f40: <multiple use>
  0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]> [ID=-3]

    0x1844e08: <multiple use>
      0x1844e08: <multiple use>
        0x1878c40: <multiple use>
        0x1879140: i64 = Constant<44> [ID=-3]

      0x1879240: i64 = add 0x1878c40, 0x1879140 [ID=-3]

      0x1878f40: <multiple use>
    0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32> [ID=-3]

    0x1878f40: <multiple use>
  0x1879740: v2i32,ch = load 0x1844e08, 0x1879840, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4] [ID=-3]

        0x1879740: <multiple use>
          0x1879740: <multiple use>
          0x1879640: i64 = Constant<0> [ID=-3]

        0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5] [ID=-3]

        0x1879040: <multiple use>
        0x1878f40: <multiple use>
      0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6] [ID=-3]

        0x1879740: <multiple use>
        0x187ac00: i64 = Constant<1> [ID=-3]

      0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7] [ID=-3]

        0x1879040: <multiple use>
        0x187ae00: i64 = Constant<4> [ID=-3]

      0x187af00: i64 = add 0x1879040, 0x187ae00 [ORD=8] [ID=-3]

      0x1878f40: <multiple use>
    0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9] [ID=-3]

  0x187b100: ch = RET_FLAG 0x187b000 [ORD=10] [ID=-3]


Legalized selection DAG: BB#0 'vecload2:entry'
SelectionDAG has 20 nodes:
  0x1844e08: ch = EntryToken [ID=0]

  0x1878f40: i64 = undef [ID=3]

    0x1844e08: <multiple use>
    0x1878b40: i64 = Register %vreg0 [ID=1]

  0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40 [ID=8]

    0x1844e08: <multiple use>
      0x1878c40: <multiple use>
      0x1878d40: i64 = Constant<36> [ID=2]

    0x1878e40: i64 = add 0x1878c40, 0x1878d40 [ID=10]

    0x1878f40: <multiple use>
  0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]> [ID=12]

    0x1844e08: <multiple use>
      0x1844e08: <multiple use>
        0x1878c40: <multiple use>
        0x1879140: i64 = Constant<44> [ID=4]

      0x1879240: i64 = add 0x1878c40, 0x1879140 [ID=9]

      0x1878f40: <multiple use>
    0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32> [ID=11]

    0x1878f40: <multiple use>
  0x1879740: v2i32,ch = load 0x1844e08, 0x1879840, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4] [ID=13]

        0x1879740: <multiple use>
          0x1879740: <multiple use>
          0x1879640: i64 = Constant<0> [ID=5]

        0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5] [ID=16]

        0x1879040: <multiple use>
        0x1878f40: <multiple use>
      0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6] [ID=17]

        0x1879740: <multiple use>
        0x187ac00: i64 = Constant<1> [ID=6]

      0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7] [ID=15]

        0x1879040: <multiple use>
        0x187ae00: i64 = Constant<4> [ID=7]

      0x187af00: i64 = add 0x1879040, 0x187ae00 [ORD=8] [ID=14]

      0x1878f40: <multiple use>
    0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9] [ID=18]

  0x187b100: ch = RET_FLAG 0x187b000 [ORD=10] [ID=19]


Optimized legalized selection DAG: BB#0 'vecload2:entry'
SelectionDAG has 20 nodes:
  0x1844e08: ch = EntryToken [ID=0]

  0x1878f40: i64 = undef [ID=3]

    0x1844e08: <multiple use>
    0x1878b40: i64 = Register %vreg0 [ID=1]

  0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40 [ID=8]

    0x1844e08: <multiple use>
      0x1878c40: <multiple use>
      0x1878d40: i64 = Constant<36> [ID=2]

    0x1878e40: i64 = add 0x1878c40, 0x1878d40 [ID=10]

    0x1878f40: <multiple use>
  0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]> [ID=12]

    0x1844e08: <multiple use>
      0x1844e08: <multiple use>
        0x1878c40: <multiple use>
        0x1879140: i64 = Constant<44> [ID=4]

      0x1879240: i64 = add 0x1878c40, 0x1879140 [ID=9]

      0x1878f40: <multiple use>
    0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32> [ID=11]

    0x1878f40: <multiple use>
  0x1879740: v2i32,ch = load 0x1844e08, 0x1879840, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4] [ID=13]

        0x1879740: <multiple use>
          0x1879740: <multiple use>
          0x1879640: i64 = Constant<0> [ID=5]

        0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5] [ID=16]

        0x1879040: <multiple use>
        0x1878f40: <multiple use>
      0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6] [ID=17]

        0x1879740: <multiple use>
        0x187ac00: i64 = Constant<1> [ID=6]

      0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7] [ID=15]

        0x1879040: <multiple use>
        0x187ae00: i64 = Constant<4> [ID=7]

      0x187af00: i64 = add 0x1879040, 0x187ae00 [ORD=8] [ID=14]

      0x1878f40: <multiple use>
    0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9] [ID=18]

  0x187b100: ch = RET_FLAG 0x187b000 [ORD=10] [ID=19]


===== Instruction selection begins: BB#0 'entry'
ISEL: Starting pattern match on root node: 0x187b100: ch = RET_FLAG 0x187b000 [ORD=10] [ID=19]

  Morphed node: 0x187b100: ch = S_ENDPGM 0x187b000 [ORD=10]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x187b000: ch = store 0x187aa00, 0x187ad00, 0x187af00, 0x1878f40<ST4[%arrayidx1](tbaa=!"int")> [ORD=9] [ID=18]

  Initial Opcode index to 37938
  Created node: 0x1879440: i128,ch = SI_ADDR64_RSRC 0x1879040, 0x187aa00 [ORD=9]

  Morphed node: 0x187b000: ch = BUFFER_STORE_DWORD 0x187ad00, 0x1879440, 0x187ae00, 0x1879540, 0x1879440:1<Mem:ST4[%arrayidx1](tbaa=!"int")> [ORD=9]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x187aa00: ch = store 0x1879740:1, 0x1879940, 0x1879040, 0x1878f40<ST4[%out](tbaa=!"int")> [ORD=6] [ID=17]

  Initial Opcode index to 37938
  Match failed at index 37949
  Continuing at 37987
  Skipped scope entry (due to false predicate) at index 37991, continuing at 38029
  Created node: 0x1879340: i128,ch = SI_ADDR64_RSRC 0x187af00, 0x1879740:1 [ORD=6]

  Morphed node: 0x187aa00: ch = BUFFER_STORE_DWORD 0x1879940, 0x1879340, 0x1879040, 0x1879540, 0x1879340:1<Mem:ST4[%out](tbaa=!"int")> [ORD=6]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x1879940: i32 = extract_vector_elt 0x1879740, 0x1879640 [ORD=5] [ID=16]

  Initial Opcode index to 20558
  Skipped scope entry (due to false predicate) at index 20562, continuing at 20720
  Morphed node: 0x1879940: i32 = EXTRACT_SUBREG 0x1879740, 0x187ab00 [ORD=5]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x187ad00: i32 = extract_vector_elt 0x1879740, 0x187ac00 [ORD=7] [ID=15]

  Initial Opcode index to 20558
  Skipped scope entry (due to false predicate) at index 20562, continuing at 20720
  Skipped scope entry (due to false predicate) at index 20727, continuing at 20746
  Morphed node: 0x187ad00: i32 = EXTRACT_SUBREG 0x1879740, 0x1879640 [ORD=7]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x1879740: v2i32,ch = load 0x1844e08, 0x1879840, 0x1878f40<LD8[%2](align=4)(tbaa=!"int")> [ORD=4] [ID=13]

  Initial Opcode index to 11945
  Match failed at index 11951
  Continuing at 12215
  Match failed at index 12219
  Continuing at 12555
  Skipped scope entry (due to false predicate) at index 12567, continuing at 12605
  Match failed at index 12608
  Continuing at 12637
  Continuing at 12638
  Match failed at index 12639
  Continuing at 12674
  Continuing at 12675
  Match failed at index 12678
  Continuing at 12753
  Match failed at index 12755
  Continuing at 12864
  Match failed at index 12868
  Continuing at 13193
  Skipped scope entry (due to false predicate) at index 13203, continuing at 13241
  TypeSwitch[v2i32] from 13244 to 13247
  Created node: 0x187ac00: i128,ch = SI_ADDR64_RSRC 0x187af00, 0x1844e08 [ORD=4]

  Morphed node: 0x1879740: v2i32,ch = BUFFER_LOAD_DWORDX2_ADDR64 0x187ac00, 0x1879840, 0x1879540, 0x187ac00:1<Mem:LD8[%2](align=4)(tbaa=!"int")> [ORD=4]

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x1879040: i64,ch = load 0x1844e08, 0x1878e40, 0x1878f40<LD8[undef]> [ID=12]

  Initial Opcode index to 11945
  Match failed at index 11951
  Continuing at 12215
  TypeSwitch[i64] from 12244 to 12266
  Morphed node: 0x1879040: i64,ch = S_LOAD_DWORDX2_IMM 0x1878c40, 0x187b300, 0x1844e08<Mem:LD8[undef]>

ISEL: Match complete!
ISEL: Starting pattern match on root node: 0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32> [ID=11]

  Initial Opcode index to 11945
  Match failed at index 11951
  Continuing at 12215
  Match failed at index 12240
  Continuing at 12284
  Match failed at index 12293
  Continuing at 12363
  Match failed at index 12368
  Continuing at 12422
  Continuing at 12423
  Match failed at index 12430
  Continuing at 12554
  Continuing at 12555
  Skipped scope entry (due to false predicate) at index 12563, continuing at 12638
  Match failed at index 12641
  Continuing at 12674
  Continuing at 12675
  Match failed at index 12696
  Continuing at 12719
  Match failed at index 12724
  Continuing at 12752
  Continuing at 12753
  Match failed at index 12755
  Continuing at 12864
  Match failed at index 12889
  Continuing at 12933
  Match failed at index 12942
  Continuing at 13006
  Match failed at index 13011
  Continuing at 13065
  Continuing at 13066
  Match failed at index 13072
  Continuing at 13192
  Continuing at 13193
  Match failed at index 13199
  Continuing at 13305
LLVM ERROR: Cannot select: 0x1879840: i64,ch = load 0x1844e08, 0x1879240, 0x1878f40<LD4[undef](align=8), zext from i32> [ID=11]
  0x1879240: i64 = add 0x1878c40, 0x1879140 [ID=9]
    0x1878c40: i64,ch = CopyFromReg 0x1844e08, 0x1878b40 [ID=8]
      0x1878b40: i64 = Register %vreg0 [ID=1]
    0x1879140: i64 = Constant<44> [ID=4]
  0x1878f40: i64 = undef [ID=3]
In function: vecload2