in both time and memory savings for GVN.  For example, one testcase went from 10.5s to 6s with
this patch.

llvm-svn: 49345

llvm-svn: 49344

llvm-svn: 49343

llvm-svn: 49339

llvm-svn: 49338

needs to be fixed here - a previous commit made sure
that intrinsics always get the right attributes.
So remove no-longer needed code, and while there use
Intrinsic::getDeclaration rather than getOrInsertFunction. 

llvm-svn: 49337

intrinsics.  Fix up the argument type (should
be i8*, was an array*).

llvm-svn: 49336

right parameter attributes no matter how they
are obtained.

llvm-svn: 49335

by Dan Gohman is fixed.

llvm-svn: 49330

allocations, which GVN can't optimize anyways.

llvm-svn: 49329

llvm-svn: 49328

llvm-svn: 49327

llvm-svn: 49326

llvm-svn: 49325

llvm-svn: 49324

llvm-svn: 49323

and fix a bug.

llvm-svn: 49322

type, because it did not include a/b in the hash.

llvm-svn: 49321

if MyClass is a superclass of MyOtherClass, there is no need for
an exact interface match.

llvm-svn: 49320

llvm-svn: 49319

llvm-svn: 49318

llvm-svn: 49317

llvm-svn: 49316

llvm-svn: 49315

llvm-svn: 49314

While it is similar to the other compatibility predicates in ASTContext,
it is not used by them and is different.

In addition, greatly simplify ObjCQualifiedIdTypesAreCompatible and
fix some canonical type bugs.  Also, simplify my Type::getAsObjC* methods.

llvm-svn: 49313

an O(n) algorithm by taking advantage of the fact that the
protocol qualifier list is already guaranteed sorted.

llvm-svn: 49312

llvm-svn: 49311

sema.  This allows clients of the parser to have the unmolested 
list if desired, and guarantees that noone can create an
ObjCQualifiedInterfaceType with an unsorted list.

llvm-svn: 49310

llvm-svn: 49309

ObjCQualifiedIdType/ObjCQualifiedInterfaceType, adding an interator 
interface instead.

llvm-svn: 49308

and start simplifying it.

llvm-svn: 49307

ObjCInterfaceType as a method.

llvm-svn: 49306

a static function named isCompatibleInterfaceAssign.

llvm-svn: 49305

llvm-svn: 49302

there are QualType::getAsObjc* type methods, and make isa<ObjCInterfaceType>
return true for ObjCQualifiedInterfaceType's.

llvm-svn: 49300

nounwind.  When such calls are inlined into something
else that is invoked, they were getting changed to invokes,
which is badness.

llvm-svn: 49299

llvm-svn: 49298

getFloatingTypeOrder) instead of a type.  Fix a fixme.

llvm-svn: 49297

llvm-svn: 49296