diff --git a/Compiler/BackEnd/CommonSubExpression.mo b/Compiler/BackEnd/CommonSubExpression.mo
index 65363d8d916..a981faa315b 100644
--- a/Compiler/BackEnd/CommonSubExpression.mo
+++ b/Compiler/BackEnd/CommonSubExpression.mo
@@ -1212,15 +1212,15 @@ algorithm
         //eqAtts := List.threadMap(List.fill(false, arrayLength(m)), List.fill("", arrayLength(m)), Util.makeTuple);
         //BackendDump.dumpBipartiteGraphStrongComponent2(pathVars, eqs, m, varAtts, eqAtts, "shortenPaths"+stringDelimitList(List.map(partition,intString),"_"));
 
-     for varIdx in List.intRange(arrayLength(mT)) loop
-       adjEqs := arrayGet(mT,varIdx);
+     for idx in 1:arrayLength(mT) loop
+       adjEqs := arrayGet(mT,idx);
 
        if listLength(adjEqs)==2 then
          //print("varIdx1 "+intString(varIdx)+"\n");
          //print("adjEqs "+stringDelimitList(List.map(adjEqs,intString),",")+"\n");
          adjEqs := List.map1(adjEqs,List.getIndexFirst,partition);
          adjEqs := List.map1(adjEqs, Array.getIndexFirst, eqMap);
-         varIdx := arrayGet(pathVarIdxMap,varIdx);
+         varIdx := arrayGet(pathVarIdxMap,idx);
          cses := SHORTCUT_CSE(adjEqs,varIdx)::cses;
        end if;
      end for; //end the variables
diff --git a/Compiler/BackEnd/EvaluateFunctions.mo b/Compiler/BackEnd/EvaluateFunctions.mo
index b9bf9f468ae..eb4bbdf7070 100644
--- a/Compiler/BackEnd/EvaluateFunctions.mo
+++ b/Compiler/BackEnd/EvaluateFunctions.mo
@@ -2288,7 +2288,7 @@ algorithm
     (start,stop,step) := getRangeBounds(range);
     true := intEq(step,1);
     repl := replIn;
-    for i in List.intRange2(start,stop) loop
+    for i in start:stop loop
       repl := BackendVarTransform.addReplacement(repl, ComponentReference.makeCrefIdent(iter,DAE.T_INTEGER_DEFAULT,{}),DAE.ICONST(i),NONE());
       (stmts,((_,repl,_))) := evaluateFunctions_updateStatement(stmtsIn,(funcTreeIn,repl,i),{});
 
diff --git a/Compiler/BackEnd/IndexReduction.mo b/Compiler/BackEnd/IndexReduction.mo
index 79f9f802a17..4912e6f9718 100644
--- a/Compiler/BackEnd/IndexReduction.mo
+++ b/Compiler/BackEnd/IndexReduction.mo
@@ -1411,7 +1411,7 @@ protected
   Integer size, numEqs, e;
 algorithm
   numEqs := arrayLength(inOrgEqns);
-  for e in List.intRange(numEqs) loop
+  for e in 1:numEqs loop
     orgeqns := arrayGet(inOrgEqns,e);
     size := BackendEquation.equationLstSize(orgeqns);
     oCount := oCount + size;
@@ -1432,7 +1432,7 @@ protected
 algorithm
   outOrgEqns := inOrgEqns;
   numEqs := arrayLength(inOrgEqns);
-  for e in List.intRange(numEqs) loop
+  for e in 1:numEqs loop
    orgeqns := arrayGet(inOrgEqns,e);
     (orgeqns,_) := BackendInline.inlineEqs(orgeqns, inA,{},false);
      arrayUpdate(outOrgEqns,e,orgeqns);
@@ -2849,7 +2849,7 @@ protected
 algorithm
   outOrgEqns := inOrgEqns;
   numEqs := arrayLength(inOrgEqns);
-  for e in List.intRange(numEqs) loop
+  for e in 1:numEqs loop
     orgeqns := arrayGet(outOrgEqns,e);
     if not listEmpty(orgeqns) then
       (outEqnsLst, orgeqns) := match orgeqns
diff --git a/Compiler/FrontEnd/Expression.mo b/Compiler/FrontEnd/Expression.mo
index 124acea69bf..6225f7b38af 100644
--- a/Compiler/FrontEnd/Expression.mo
+++ b/Compiler/FrontEnd/Expression.mo
@@ -1707,10 +1707,9 @@ algorithm
   dims := expDimensions(eIn);
   try
     {DAE.DIM_INTEGER(integer=size)} := dims;
-    for i in List.intRange(size) loop
+    for i in size:-1:1 loop
       eLstOut := makeASUBSingleSub(eIn,DAE.ICONST(i))::eLstOut;
     end for;
-    eLstOut := listReverse(eLstOut);
   else
     eLstOut := {};
   end try;