[LLVMbugs] [Bug 20699] New: [AVX512] Cannot select: 0x7fd69c057070: v16i1 = X86ISD::PCMPEQ

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20699

            Bug ID: 20699
           Summary: [AVX512] Cannot select: 0x7fd69c057070: v16i1 =
                    X86ISD::PCMPEQ
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: matt at pharr.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12915
  --> http://llvm.org/bugs/attachment.cgi?id=12915&action=edit
test case

With the attached test case (and LLVM top of tree), I get the following crash:

% llc -mcpu=knl bugpoint-reduced-simplified.ll -o /dev/null
LLVM ERROR: Cannot select: 0x7fd69c057070: v16i1 = X86ISD::PCMPEQ
0x7fd69c081738, 0x7fd69c056b48 [ORD=9] [ID=42]
  0x7fd69c081738: v16i1 = and 0x7fd69c052928, 0x7fd69c056b48 [ORD=8] [ID=41]
    0x7fd69c052928: v16i1 = X86ISD::CMPM 0x7fd69c081528, 0x7fd69c04b440,
0x7fd69c080108 [ORD=7] [ID=38]
      0x7fd69c081528: v16f32 = X86ISD::VBROADCAST 0x7fd69c056200 [ORD=7]
[ID=35]
        0x7fd69c056200: f32,ch = load 0x7fd69bc30d10, 0x7fd69c056c50,
0x7fd69c080630<LD4[ConstantPool]> [ORD=7] [ID=29]
          0x7fd69c056c50: i64 = X86ISD::WrapperRIP 0x7fd69c055d58 [ID=24]
            0x7fd69c055d58: i64 = TargetConstantPool<float 0x3EB0C6F7A0000000>
0 [ID=18]
          0x7fd69c080630: i64 = undef [ID=16]
      0x7fd69c04b440: v16f32 = bitcast 0x7fd69c080738 [ORD=6] [ID=37]
        0x7fd69c080738: v16i32 = and 0x7fd69c056938, 0x7fd69c04ba70 [ORD=5]
[ID=36]
          0x7fd69c056938: v16i32 = bitcast 0x7fd69c080a50 [ORD=4] [ID=31]
            0x7fd69c080a50: v16f32 = fsub 0x7fd69c081000, 0x7fd69c04af18
[ORD=3] [ID=26]
              0x7fd69c081000: v16f32,ch = CopyFromReg 0x7fd69bc30d10,
0x7fd69c081948 [ORD=1] [ID=20]
                0x7fd69c081948: v16f32 = Register %vreg7 [ID=2]
              0x7fd69c04af18: v16f32,ch = CopyFromReg 0x7fd69bc30d10,
0x7fd69c056728 [ORD=1] [ID=21]
                0x7fd69c056728: v16f32 = Register %vreg8 [ID=3]
          0x7fd69c04ba70: v16i32 = X86ISD::VBROADCAST 0x7fd69c052d48 [ORD=5]
[ID=34]
            0x7fd69c052d48: i32,ch = load 0x7fd69bc30d10, 0x7fd69c055e60,
0x7fd69c080630<LD4[ConstantPool]> [ORD=5] [ID=28]
              0x7fd69c055e60: i64 = X86ISD::WrapperRIP 0x7fd69c055938 [ID=23]
                0x7fd69c055938: i64 = TargetConstantPool<i32 2147483647> 0
[ID=17]
              0x7fd69c080630: i64 = undef [ID=16]
      0x7fd69c080108: i8 = Constant<6> [ID=13]
    0x7fd69c056b48: v16i1 = bitcast 0x7fd69c04b338 [ORD=2] [ID=33]
      0x7fd69c04b338: i16 = truncate 0x7fd69c081c60 [ORD=1] [ID=27]
        0x7fd69c081c60: i32,ch = CopyFromReg 0x7fd69bc30d10, 0x7fd69c04b650
[ORD=1] [ID=22]
          0x7fd69c04b650: i32 = Register %vreg9 [ID=4]
  0x7fd69c056b48: v16i1 = bitcast 0x7fd69c04b338 [ORD=2] [ID=33]
    0x7fd69c04b338: i16 = truncate 0x7fd69c081c60 [ORD=1] [ID=27]
      0x7fd69c081c60: i32,ch = CopyFromReg 0x7fd69bc30d10, 0x7fd69c04b650
[ORD=1] [ID=22]
        0x7fd69c04b650: i32 = Register %vreg9 [ID=4]
In function: ok___vyfvyf

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