[NFC] Remove trailing white spaces

Author: shiltian

llvm/include/llvm/Target/GlobalISel/Combine.td

@@ -264,7 +264,7 @@ def combine_extracted_vector_load : GICombineRule<
   (match (wip_match_opcode G_EXTRACT_VECTOR_ELT):$root,
         [{ return Helper.matchCombineExtractedVectorLoad(*${root}, ${matchinfo}); }]),
   (apply [{ Helper.applyBuildFn(*${root}, ${matchinfo}); }])>;
-  
+
 def combine_indexed_load_store : GICombineRule<
   (defs root:$root, indexed_load_store_matchdata:$matchinfo),
   (match (wip_match_opcode G_LOAD, G_SEXTLOAD, G_ZEXTLOAD, G_STORE):$root,
@@ -1356,7 +1356,7 @@ def constant_fold_binops : GICombineGroup<[constant_fold_binop,
 
 def all_combines : GICombineGroup<[trivial_combines, insert_vec_elt_combines,
     extract_vec_elt_combines, combines_for_extload, combine_extracted_vector_load,
-    undef_combines, identity_combines, phi_combines, 
+    undef_combines, identity_combines, phi_combines,
     simplify_add_to_sub, hoist_logic_op_with_same_opcode_hands, shifts_too_big,
     reassocs, ptr_add_immed_chain,
     shl_ashr_to_sext_inreg, sext_inreg_of_load,
@@ -1373,7 +1373,7 @@ def all_combines : GICombineGroup<[trivial_combines, insert_vec_elt_combines,
     intdiv_combines, mulh_combines, redundant_neg_operands,
     and_or_disjoint_mask, fma_combines, fold_binop_into_select,
     sub_add_reg, select_to_minmax, redundant_binop_in_equality,
-    fsub_to_fneg, commute_constant_to_rhs, match_ands, match_ors, 
+    fsub_to_fneg, commute_constant_to_rhs, match_ands, match_ors,
     combine_concat_vector, double_icmp_zero_and_or_combine]>;
 
 // A combine group used to for prelegalizer combiners at -O0. The combines in

llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp

@@ -1490,7 +1490,7 @@ void CombinerHelper::applyOptBrCondByInvertingCond(MachineInstr &MI,
   Observer.changedInstr(*BrCond);
 }
 
- 
+
 bool CombinerHelper::tryEmitMemcpyInline(MachineInstr &MI) {
   MachineIRBuilder HelperBuilder(MI);
   GISelObserverWrapper DummyObserver;