diff --git a/packages/core/src/render3/pipe.ts b/packages/core/src/render3/pipe.ts
index aeb7019afa..30ba298e53 100644
--- a/packages/core/src/render3/pipe.ts
+++ b/packages/core/src/render3/pipe.ts
@@ -13,8 +13,8 @@ import {getFactoryDef} from './definition';
 import {store} from './instructions/all';
 import {PipeDef, PipeDefList} from './interfaces/definition';
 import {HEADER_OFFSET, LView, TVIEW} from './interfaces/view';
-import {ɵɵpureFunction1, ɵɵpureFunction2, ɵɵpureFunction3, ɵɵpureFunction4, ɵɵpureFunctionV} from './pure_function';
-import {getBindingIndex, getLView} from './state';
+import {pureFunction1Internal, pureFunction2Internal, pureFunction3Internal, pureFunction4Internal, pureFunctionVInternal} from './pure_function';
+import {getBindingIndex, getBindingRoot, getLView} from './state';
 import {NO_CHANGE} from './tokens';
 import {load} from './util/view_utils';
 
@@ -89,7 +89,8 @@ export function ɵɵpipeBind1(index: number, slotOffset: number, v1: any): any {
   const pipeInstance = load<PipeTransform>(lView, index);
   return unwrapValue(
       lView, isPure(lView, index) ?
-          ɵɵpureFunction1(slotOffset, pipeInstance.transform, v1, pipeInstance) :
+          pureFunction1Internal(
+              lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, pipeInstance) :
           pipeInstance.transform(v1));
 }
 
@@ -111,7 +112,8 @@ export function ɵɵpipeBind2(index: number, slotOffset: number, v1: any, v2: an
   const pipeInstance = load<PipeTransform>(lView, index);
   return unwrapValue(
       lView, isPure(lView, index) ?
-          ɵɵpureFunction2(slotOffset, pipeInstance.transform, v1, v2, pipeInstance) :
+          pureFunction2Internal(
+              lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, pipeInstance) :
           pipeInstance.transform(v1, v2));
 }
 
@@ -133,9 +135,10 @@ export function ɵɵpipeBind3(index: number, slotOffset: number, v1: any, v2: an
   const lView = getLView();
   const pipeInstance = load<PipeTransform>(lView, index);
   return unwrapValue(
-      lView, isPure(lView, index) ?
-          ɵɵpureFunction3(slotOffset, pipeInstance.transform, v1, v2, v3, pipeInstance) :
-          pipeInstance.transform(v1, v2, v3));
+      lView, isPure(lView, index) ? pureFunction3Internal(
+                                        lView, getBindingRoot(), slotOffset, pipeInstance.transform,
+                                        v1, v2, v3, pipeInstance) :
+                                    pipeInstance.transform(v1, v2, v3));
 }
 
 /**
@@ -158,9 +161,10 @@ export function ɵɵpipeBind4(
   const lView = getLView();
   const pipeInstance = load<PipeTransform>(lView, index);
   return unwrapValue(
-      lView, isPure(lView, index) ?
-          ɵɵpureFunction4(slotOffset, pipeInstance.transform, v1, v2, v3, v4, pipeInstance) :
-          pipeInstance.transform(v1, v2, v3, v4));
+      lView, isPure(lView, index) ? pureFunction4Internal(
+                                        lView, getBindingRoot(), slotOffset, pipeInstance.transform,
+                                        v1, v2, v3, v4, pipeInstance) :
+                                    pipeInstance.transform(v1, v2, v3, v4));
 }
 
 /**
@@ -180,7 +184,8 @@ export function ɵɵpipeBindV(index: number, slotOffset: number, values: [any, .
   const pipeInstance = load<PipeTransform>(lView, index);
   return unwrapValue(
       lView, isPure(lView, index) ?
-          ɵɵpureFunctionV(slotOffset, pipeInstance.transform, values, pipeInstance) :
+          pureFunctionVInternal(
+              lView, getBindingRoot(), slotOffset, pipeInstance.transform, values, pipeInstance) :
           pipeInstance.transform.apply(pipeInstance, values));
 }
 
diff --git a/packages/core/src/render3/pure_function.ts b/packages/core/src/render3/pure_function.ts
index 980e0620bb..b9d3e2b8d5 100644
--- a/packages/core/src/render3/pure_function.ts
+++ b/packages/core/src/render3/pure_function.ts
@@ -7,6 +7,7 @@
  */
 
 import {bindingUpdated, bindingUpdated2, bindingUpdated3, bindingUpdated4, getBinding, updateBinding} from './bindings';
+import {LView} from './interfaces/view';
 import {getBindingRoot, getLView} from './state';
 import {NO_CHANGE} from './tokens';
 
@@ -41,7 +42,6 @@ import {NO_CHANGE} from './tokens';
  * @codeGenApi
  */
 export function ɵɵpureFunction0<T>(slotOffset: number, pureFn: () => T, thisArg?: any): T {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
   const bindingIndex = getBindingRoot() + slotOffset;
   const lView = getLView();
   return lView[bindingIndex] === NO_CHANGE ?
@@ -63,12 +63,7 @@ export function ɵɵpureFunction0<T>(slotOffset: number, pureFn: () => T, thisAr
  */
 export function ɵɵpureFunction1(
     slotOffset: number, pureFn: (v: any) => any, exp: any, thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
-  const lView = getLView();
-  const bindingIndex = getBindingRoot() + slotOffset;
-  return bindingUpdated(lView, bindingIndex, exp) ?
-      updateBinding(lView, bindingIndex + 1, thisArg ? pureFn.call(thisArg, exp) : pureFn(exp)) :
-      getBinding(lView, bindingIndex + 1);
+  return pureFunction1Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp, thisArg);
 }
 
 /**
@@ -87,14 +82,8 @@ export function ɵɵpureFunction1(
 export function ɵɵpureFunction2(
     slotOffset: number, pureFn: (v1: any, v2: any) => any, exp1: any, exp2: any,
     thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
-  const bindingIndex = getBindingRoot() + slotOffset;
-  const lView = getLView();
-  return bindingUpdated2(lView, bindingIndex, exp1, exp2) ?
-      updateBinding(
-          lView, bindingIndex + 2,
-          thisArg ? pureFn.call(thisArg, exp1, exp2) : pureFn(exp1, exp2)) :
-      getBinding(lView, bindingIndex + 2);
+  return pureFunction2Internal(
+      getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, thisArg);
 }
 
 /**
@@ -114,14 +103,8 @@ export function ɵɵpureFunction2(
 export function ɵɵpureFunction3(
     slotOffset: number, pureFn: (v1: any, v2: any, v3: any) => any, exp1: any, exp2: any, exp3: any,
     thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
-  const bindingIndex = getBindingRoot() + slotOffset;
-  const lView = getLView();
-  return bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) ?
-      updateBinding(
-          lView, bindingIndex + 3,
-          thisArg ? pureFn.call(thisArg, exp1, exp2, exp3) : pureFn(exp1, exp2, exp3)) :
-      getBinding(lView, bindingIndex + 3);
+  return pureFunction3Internal(
+      getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, thisArg);
 }
 
 /**
@@ -142,14 +125,8 @@ export function ɵɵpureFunction3(
 export function ɵɵpureFunction4(
     slotOffset: number, pureFn: (v1: any, v2: any, v3: any, v4: any) => any, exp1: any, exp2: any,
     exp3: any, exp4: any, thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
-  const bindingIndex = getBindingRoot() + slotOffset;
-  const lView = getLView();
-  return bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) ?
-      updateBinding(
-          lView, bindingIndex + 4,
-          thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4) : pureFn(exp1, exp2, exp3, exp4)) :
-      getBinding(lView, bindingIndex + 4);
+  return pureFunction4Internal(
+      getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg);
 }
 
 /**
@@ -171,7 +148,6 @@ export function ɵɵpureFunction4(
 export function ɵɵpureFunction5(
     slotOffset: number, pureFn: (v1: any, v2: any, v3: any, v4: any, v5: any) => any, exp1: any,
     exp2: any, exp3: any, exp4: any, exp5: any, thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
   const bindingIndex = getBindingRoot() + slotOffset;
   const lView = getLView();
   const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
@@ -202,7 +178,6 @@ export function ɵɵpureFunction5(
 export function ɵɵpureFunction6(
     slotOffset: number, pureFn: (v1: any, v2: any, v3: any, v4: any, v5: any, v6: any) => any,
     exp1: any, exp2: any, exp3: any, exp4: any, exp5: any, exp6: any, thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
   const bindingIndex = getBindingRoot() + slotOffset;
   const lView = getLView();
   const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
@@ -236,7 +211,6 @@ export function ɵɵpureFunction7(
     slotOffset: number,
     pureFn: (v1: any, v2: any, v3: any, v4: any, v5: any, v6: any, v7: any) => any, exp1: any,
     exp2: any, exp3: any, exp4: any, exp5: any, exp6: any, exp7: any, thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
   const bindingIndex = getBindingRoot() + slotOffset;
   const lView = getLView();
   let different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
@@ -272,7 +246,6 @@ export function ɵɵpureFunction8(
     pureFn: (v1: any, v2: any, v3: any, v4: any, v5: any, v6: any, v7: any, v8: any) => any,
     exp1: any, exp2: any, exp3: any, exp4: any, exp5: any, exp6: any, exp7: any, exp8: any,
     thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
   const bindingIndex = getBindingRoot() + slotOffset;
   const lView = getLView();
   const different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);
@@ -301,10 +274,131 @@ export function ɵɵpureFunction8(
  */
 export function ɵɵpureFunctionV(
     slotOffset: number, pureFn: (...v: any[]) => any, exps: any[], thisArg?: any): any {
-  // TODO(kara): use bindingRoot instead of bindingStartIndex when implementing host bindings
-  let bindingIndex = getBindingRoot() + slotOffset;
+  return pureFunctionVInternal(getLView(), getBindingRoot(), slotOffset, pureFn, exps, thisArg);
+}
+
+
+/**
+ * If the value of the provided exp has changed, calls the pure function to return
+ * an updated value. Or if the value has not changed, returns cached value.
+ *
+ * @param lView LView in which the function is being executed.
+ * @param bindingRoot Binding root index.
+ * @param slotOffset the offset from binding root to the reserved slot
+ * @param pureFn Function that returns an updated value
+ * @param exp Updated expression value
+ * @param thisArg Optional calling context of pureFn
+ * @returns Updated or cached value
+ */
+export function pureFunction1Internal(
+    lView: LView, bindingRoot: number, slotOffset: number, pureFn: (v: any) => any, exp: any,
+    thisArg?: any): any {
+  const bindingIndex = bindingRoot + slotOffset;
+  return bindingUpdated(lView, bindingIndex, exp) ?
+      updateBinding(lView, bindingIndex + 1, thisArg ? pureFn.call(thisArg, exp) : pureFn(exp)) :
+      getBinding(lView, bindingIndex + 1);
+}
+
+
+/**
+ * If the value of any provided exp has changed, calls the pure function to return
+ * an updated value. Or if no values have changed, returns cached value.
+ *
+ * @param lView LView in which the function is being executed.
+ * @param bindingRoot Binding root index.
+ * @param slotOffset the offset from binding root to the reserved slot
+ * @param pureFn
+ * @param exp1
+ * @param exp2
+ * @param thisArg Optional calling context of pureFn
+ * @returns Updated or cached value
+ */
+export function pureFunction2Internal(
+    lView: LView, bindingRoot: number, slotOffset: number, pureFn: (v1: any, v2: any) => any,
+    exp1: any, exp2: any, thisArg?: any): any {
+  const bindingIndex = bindingRoot + slotOffset;
+  return bindingUpdated2(lView, bindingIndex, exp1, exp2) ?
+      updateBinding(
+          lView, bindingIndex + 2,
+          thisArg ? pureFn.call(thisArg, exp1, exp2) : pureFn(exp1, exp2)) :
+      getBinding(lView, bindingIndex + 2);
+}
+
+/**
+ * If the value of any provided exp has changed, calls the pure function to return
+ * an updated value. Or if no values have changed, returns cached value.
+ *
+ * @param lView LView in which the function is being executed.
+ * @param bindingRoot Binding root index.
+ * @param slotOffset the offset from binding root to the reserved slot
+ * @param pureFn
+ * @param exp1
+ * @param exp2
+ * @param exp3
+ * @param thisArg Optional calling context of pureFn
+ * @returns Updated or cached value
+ */
+export function pureFunction3Internal(
+    lView: LView, bindingRoot: number, slotOffset: number,
+    pureFn: (v1: any, v2: any, v3: any) => any, exp1: any, exp2: any, exp3: any,
+    thisArg?: any): any {
+  const bindingIndex = bindingRoot + slotOffset;
+  return bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) ?
+      updateBinding(
+          lView, bindingIndex + 3,
+          thisArg ? pureFn.call(thisArg, exp1, exp2, exp3) : pureFn(exp1, exp2, exp3)) :
+      getBinding(lView, bindingIndex + 3);
+}
+
+
+/**
+ * If the value of any provided exp has changed, calls the pure function to return
+ * an updated value. Or if no values have changed, returns cached value.
+ *
+ * @param lView LView in which the function is being executed.
+ * @param bindingRoot Binding root index.
+ * @param slotOffset the offset from binding root to the reserved slot
+ * @param pureFn
+ * @param exp1
+ * @param exp2
+ * @param exp3
+ * @param exp4
+ * @param thisArg Optional calling context of pureFn
+ * @returns Updated or cached value
+ *
+ */
+export function pureFunction4Internal(
+    lView: LView, bindingRoot: number, slotOffset: number,
+    pureFn: (v1: any, v2: any, v3: any, v4: any) => any, exp1: any, exp2: any, exp3: any, exp4: any,
+    thisArg?: any): any {
+  const bindingIndex = bindingRoot + slotOffset;
+  return bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) ?
+      updateBinding(
+          lView, bindingIndex + 4,
+          thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4) : pureFn(exp1, exp2, exp3, exp4)) :
+      getBinding(lView, bindingIndex + 4);
+}
+
+/**
+ * pureFunction instruction that can support any number of bindings.
+ *
+ * If the value of any provided exp has changed, calls the pure function to return
+ * an updated value. Or if no values have changed, returns cached value.
+ *
+ * @param lView LView in which the function is being executed.
+ * @param bindingRoot Binding root index.
+ * @param slotOffset the offset from binding root to the reserved slot
+ * @param pureFn A pure function that takes binding values and builds an object or array
+ * containing those values.
+ * @param exps An array of binding values
+ * @param thisArg Optional calling context of pureFn
+ * @returns Updated or cached value
+ */
+export function pureFunctionVInternal(
+    lView: LView, bindingRoot: number, slotOffset: number, pureFn: (...v: any[]) => any,
+    exps: any[], thisArg?: any): any {
+  let bindingIndex = bindingRoot + slotOffset;
   let different = false;
-  const lView = getLView();
   for (let i = 0; i < exps.length; i++) {
     bindingUpdated(lView, bindingIndex++, exps[i]) && (different = true);
   }