throw exception on unbroadcastable input

Author: pinzhenx

torch_ipex/csrc/cpu/DevOPs.cpp

@@ -471,6 +471,8 @@ at::Tensor& AtenIpexCPUDev::dil_baddbmm_out(
   if (!result.sizes().equals(inferred_size)) {
     result.resize_(inferred_size);
   }
+  TORCH_CHECK(self.sizes().equals(inferred_size),
+      "baddbmm not support broadcast yet");
 
   dbl::comm::reorder_to_bf16_for_mix_prec(result);
   dbl::comm::reorder_to_bf16_for_mix_prec(self);
@@ -538,6 +540,8 @@ at::Tensor& AtenIpexCPUDev::dil_addmm_out(
   if (!result.sizes().equals(inferred_size)) {
     result.resize_(inferred_size);
   }
+  TORCH_CHECK(self.sizes().equals(inferred_size),
+      "addmm not support broadcast yet");
 
   dbl::comm::reorder_to_bf16_for_mix_prec(result);
   dbl::comm::reorder_to_bf16_for_mix_prec(self);
@@ -605,6 +609,8 @@ at::Tensor& AtenIpexCPUDev::dil_addbmm_out(
   if (!result.sizes().equals(inferred_size)) {
     result.resize_(inferred_size);
   }
+  TORCH_CHECK(self.sizes().equals(inferred_size),
+      "addbmm not support broadcast yet");
 
   dbl::comm::reorder_to_bf16_for_mix_prec(result);
   dbl::comm::reorder_to_bf16_for_mix_prec(self);