Add %GetCallerJSFunction intrinsic

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index 050d6ce0873211d55f179b50b1f4c1e88ef39b67..ed7cc0c75455c7dfbbcc7c13576c9b71dfe2918b 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -1042,6 +1042,8 @@ class RepresentationSelector {
         return VisitBinop(node, kMachFloat64, kMachInt32, kMachFloat64);
       case IrOpcode::kLoadStackPointer:
         return VisitLeaf(node, kMachPtr);
+      case IrOpcode::kLoadFramePointer:

[Michael Starzinger, 2015/05/20 14:25:18]

nit: Lets just have both labels (i.e. kLoadStackPointer and kLoadFramePointer)
point to one single return statement.

[danno, 2015/05/22 11:21:35]

Done.

+        return VisitLeaf(node, kMachPtr);
       case IrOpcode::kStateValues:
         VisitStateValues(node);
         break;