Remove uses of ConditionProfile for the loop condition in RepeatingNode impls

Author: steve-s

com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/control/ForNode.java

@@ -207,7 +207,6 @@ public Object visibleExecute(VirtualFrame frame) {
 
     private abstract static class AbstractIndexRepeatingNode extends AbstractRepeatingNode {
 
-        private final ConditionProfile conditionProfile = ConditionProfile.createCountingProfile();
         private final BranchProfile breakBlock = BranchProfile.create();
         private final BranchProfile nextBlock = BranchProfile.create();
 
@@ -227,8 +226,6 @@ private abstract static class AbstractIndexRepeatingNode extends AbstractRepeati
             this.readIndexNode = LocalReadVariableNode.create(indexName, true);
             this.readLengthNode = LocalReadVariableNode.create(lengthName, true);
             this.writeIndexNode = WriteVariableNode.createAnonymous(indexName, Mode.REGULAR, null);
-            // pre-initialize the profile so that loop exits to not deoptimize
-            conditionProfile.profile(false);
         }
 
         private static RNode createPositionLoad(String positionName, String rangeName) {
@@ -252,7 +249,7 @@ public boolean executeRepeating(VirtualFrame frame) {
                 throw RInternalError.shouldNotReachHere("For index must be Integer.");
             }
             try {
-                if (conditionProfile.profile(index <= length)) {
+                if (index <= length) {
                     if (writePosition(frame, index)) {
                         writeElementNode.voidExecute(frame);
                         body.voidExecute(frame);

com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/control/WhileNode.java

@@ -60,7 +60,6 @@ private static final class WhileRepeatingNode extends AbstractRepeatingNode {
 
         @Child private ConvertBooleanNode condition;
 
-        private final ConditionProfile conditionProfile = ConditionProfile.createCountingProfile();
         private final BranchProfile normalBlock = BranchProfile.create();
         private final BranchProfile breakBlock = BranchProfile.create();
         private final BranchProfile nextBlock = BranchProfile.create();
@@ -72,14 +71,12 @@ private static final class WhileRepeatingNode extends AbstractRepeatingNode {
             super(body);
             this.whileNode = whileNode;
             this.condition = condition;
-            // pre-initialize the profile so that loop exits to not deoptimize
-            conditionProfile.profile(false);
         }
 
         @Override
         public boolean executeRepeating(VirtualFrame frame) {
             try {
-                if (conditionProfile.profile(condition.executeByte(frame) == RRuntime.LOGICAL_TRUE)) {
+                if (condition.executeByte(frame) == RRuntime.LOGICAL_TRUE) {
                     body.voidExecute(frame);
                     normalBlock.enter();
                     return true;