Simplify IntrinsicLowering and clarify that it is only for use by the
CBE and interpreter.

llvm-svn: 31755
diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
index 982a261..ece3072 100644
--- a/llvm/lib/CodeGen/IntrinsicLowering.cpp
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the default intrinsic lowering implementation.
+// This file implements the IntrinsicLowering class.
 //
 //===----------------------------------------------------------------------===//
 
@@ -82,7 +82,7 @@
   return NewCI;
 }
 
-void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
+void IntrinsicLowering::AddPrototypes(Module &M) {
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
     if (I->isExternal() && !I->use_empty())
       switch (I->getIntrinsicID()) {
@@ -263,7 +263,7 @@
 
 
 
-void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
+void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   Function *Callee = CI->getCalledFunction();
   assert(Callee && "Cannot lower an indirect call!");