Rather than having special rules like "intrinsics cannot
throw exceptions", just mark intrinsics with the nounwind
attribute.  Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/VMCore/Mangler.cpp b/lib/VMCore/Mangler.cpp
index 8b8ba59..8689c86 100644
--- a/lib/VMCore/Mangler.cpp
+++ b/lib/VMCore/Mangler.cpp
@@ -135,7 +135,7 @@
   // Name mangling occurs as follows:
   // - If V is an intrinsic function, do not change name at all
   // - Otherwise, mangling occurs if global collides with existing name.
-  if (isa<Function>(GV) && cast<Function>(GV)->getIntrinsicID()) {
+  if (isa<Function>(GV) && cast<Function>(GV)->isIntrinsic()) {
     Name = GV->getName(); // Is an intrinsic function
   } else if (!GV->hasName()) {
     // Must mangle the global into a unique ID.