[CINN] Delele some redundant code (#69031)

* delele some redundant code

* remove fold_cinn_call

Author: zyfncg

paddle/cinn/ir/module.cc

@@ -25,10 +25,6 @@ namespace cinn {
 namespace ir {
 
 void Module::Builder::AddFunction(ir::LoweredFunc func) {
-  optim::Simplify(&(func->body));
-  optim::SimplifyForLoops(&(func->body));
-  optim::SimplifyBlocks(&(func->body));
-  func->body = optim::Optimize(func->body, module_->target);
   module_->functions.push_back(func);
 }
 

paddle/cinn/optim/optimize.cc

@@ -54,20 +54,14 @@ Expr Optimize(Expr e,
 
   auto copied = ir::ir_utils::IRCopy(e);
 
-  FoldCINNCallArguments(&copied);
-  TransformPolyForToFor(&copied);
   ReplaceConstParamToInteger(&copied);
   // Simplify already contains CastSimplify
   Simplify(&copied);
   ReplaceCrossThreadReduction(&copied);
   VLOG(4) << "After Optimize ReplaceCrossThreadReduction:" << copied;
   ReplaceCrossBlockReduction(&copied);
   VLOG(4) << "After Optimize ReplaceCrossBlockReduction:" << copied;
-  UnrollLoop(&copied);
-  VLOG(4) << "After Optimize UnrollLoop:" << copied;
 
-  VectorizeLoops(&copied, target);
-  VLOG(4) << "After Optimize VectorizeLoops:" << copied;
   cinn::common::DefaultDeviceTarget().arch.Match(
       [&](std::variant<common::UnknownArch, common::X86Arch, common::ARMArch>) {
       },
@@ -120,10 +114,6 @@ Expr Optimize(Expr e,
 
 ir::Module Optimize(const ir::Module& module, const Target& target) {
   auto copied = ir::ir_utils::IRCopy(Expr(module));
-  ReplaceCrossThreadReduction(&copied);
-  UnrollLoop(&copied);
-  VectorizeLoops(&copied, Target());
-  VLOG(10) << "After VectorizeLoops:" << copied.as_module_ref();
   RemoveScheduleBlock(&copied);
   VLOG(10) << "After RemoveScheduleBlock:" << copied.as_module_ref();
   LowerFunctionCallBindVars(&copied);