task: remove ispc related content partially

Author: adhithadias

include/taco/lower/lowerer_impl_imperative.h

@@ -499,13 +499,10 @@ class LowererImplImperative : public LowererImpl {
 
   bool emitUnderivedGuards = true;
 
-  int loopDepth = 0;
   int inParallelLoopDepth = 0;
 
   std::map<ParallelUnit, ir::Expr> parallelUnitSizes;
   std::map<ParallelUnit, IndexVar> parallelUnitIndexVars;
-  std::map<int, ParallelUnit> forUnits; // <loopdepth, ParallelUnit>
-  std::map<TensorVar,int> whereTempsWithLoopDepth;
 
   /// Keep track of what IndexVars have already been defined
   std::set<IndexVar> definedIndexVars;

include/taco/util/strings.h

@@ -9,34 +9,13 @@
 #include <iomanip>
 #include <limits>
 
-#include "taco/type.h"
-
 // To get the value of a compiler macro variable
 #define STRINGIFY(x) #x
 #define TO_STRING(x) STRINGIFY(x)
 
 namespace taco {
 namespace util {
 
-// /// Turn anything except floating points that can be written to a stream
-// /// into a string.
-// template <class T>
-// typename std::enable_if<!std::is_floating_point<T>::value, std::string>::type
-// toStringISPC(const T &val) {
-
-//   std::stringstream sstream;
-//   if (val == Int32) {
-//     sstream << "int32";
-//   }
-//   else if (val == Int64) {
-//     sstream << "int64";
-//   }
-//   else {
-//     sstream << val;
-//   }
-//   return sstream.str();
-// }
-
 /// Turn anything except floating points that can be written to a stream
 /// into a string.
 template <class T>