Optimize AOT's switchable calls for the monomorphic case.

runtime/vm/profiler.cc

Index: runtime/vm/profiler.cc
diff --git a/runtime/vm/profiler.cc b/runtime/vm/profiler.cc
index b8827c58e7f1109068c6035ea041db8114e01ae2..96a99e53d59da92bb8d34814b4e2e8d0d70a6991 100644
--- a/runtime/vm/profiler.cc
+++ b/runtime/vm/profiler.cc
@@ -203,14 +203,14 @@ class ReturnAddressLocator : public ValueObject {
 
   // Returns offset into code object.
   intptr_t RelativePC() {
-    ASSERT(pc() >= code_.EntryPoint());
-    return static_cast<intptr_t>(pc() - code_.EntryPoint());
+    ASSERT(pc() >= code_.PayloadStart());
+    return static_cast<intptr_t>(pc() - code_.PayloadStart());
   }
 
   uint8_t* CodePointer(intptr_t offset) {
     const intptr_t size = code_.Size();
     ASSERT(offset < size);
-    uint8_t* code_pointer = reinterpret_cast<uint8_t*>(code_.EntryPoint());
+    uint8_t* code_pointer = reinterpret_cast<uint8_t*>(code_.PayloadStart());
     code_pointer += offset;
     return code_pointer;
   }
@@ -1262,7 +1262,8 @@ CodeDescriptor::CodeDescriptor(const Code& code) : code_(code) {
 
 
 uword CodeDescriptor::Entry() const {
-  return code_.EntryPoint();
+  // BOGUS?

[Florian Schneider, 2016/08/10 02:32:14]

Left-over?

[rmacnak, 2016/08/11 00:17:49]

Renamed as Start

+  return code_.PayloadStart();
 }