https://llvm.org/bugs/show_bug.cgi?id=28379

            Bug ID: 28379
           Summary: aarch64: LLVM ERROR: Cannot select: t25: i32 =
                    AArch64ISD::FCCMP t2, t30, Constant:i32<0>,
                    Constant:i32<11>, t23:1
           Product: new-bugs
           Version: 3.8
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedb...@nondot.org
          Reporter: adrian.p...@windriver.com
                CC: llvm-bugs@lists.llvm.org
    Classification: Unclassified

Created attachment 16668
  --> https://llvm.org/bugs/attachment.cgi?id=16668&action=edit
reduced LL showing failure

Compiling with:

llc bugpoint-reduced-simplified.ll

Causes the following failure:

LLVM ERROR: Cannot select: t25: i32 = AArch64ISD::FCCMP t2, t30,
Constant:i32<0>, Constant:i32<11>, t23:1
  t2: f128,ch = CopyFromReg t0, Register:f128 %vreg0
    t1: f128 = Register %vreg0
  t30: f128,ch = load<LD16[ConstantPool]> t0, t34, undef:i64
    t34: i64 = AArch64ISD::ADDlow t33, TargetConstantPool:i64<fp128
0xL00000000000000000000000000000000> 0 [TF=34]
      t33: i64 = AArch64ISD::ADRP TargetConstantPool:i64<fp128
0xL00000000000000000000000000000000> 0 [TF=1]
        t31: i64 = TargetConstantPool<fp128
0xL00000000000000000000000000000000> 0 [TF=1]
      t32: i64 = TargetConstantPool<fp128 0xL00000000000000000000000000000000>
0 [TF=34]
    t29: i64 = undef
  t4: i32 = Constant<0>
  t24: i32 = Constant<11>
  t23: i32,i32 = AArch64ISD::SUBS undef:i32, Constant:i32<0>
    t3: i32 = undef
    t4: i32 = Constant<0>
In function: floorl

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