[llvm-dev] LLVM ERROR: Cannot select: t29: v32f64 = X86ISD::VBROADCAST t9

hameeza ahmed via llvm-dev llvm-dev at lists.llvm.org
Sat Oct 21 15:07:31 PDT 2017


Hello,

i am getting following error;

LLVM ERROR: Cannot select: t29: v32f64 = X86ISD::VBROADCAST t9
  t9: f64,ch = load<LD8[%10](tbaa=<0x38692f8>)> t0, t6, undef:i64
    t6: i64 = add FrameIndex:i64<1>, t5
      t1: i64 = FrameIndex<1>
      t5: i64 = shl t3, Constant:i8<3>
        t3: i64,ch = CopyFromReg t0, Register:i64 %vreg2
          t2: i64 = Register %vreg2
        t28: i8 = Constant<3>
    t8: i64 = undef
In function: main

although i have defined broadcast for v32f64 as follows:

def P_256B_FBROADCASTD : I<0x66, MRMSrcMem, (outs VRP_2048:$dst), (ins
i2048mem:$src),
                    "P_256B_FBROADCASTD\t{$src, $dst|$dst, $src}",
                    [(set VRP_2048:$dst, (v32f64 (X86VBroadcast (loadf64
addr:$src))))],
                    IIC_MOV_MEM>;

what is the reason for this?
Please help.
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