llvm-svn: 42656

llvm-svn: 42655

unswitch when frontier includes basic blocks that 
are not inside loop.

llvm-svn: 42654

cause performance degradation.

llvm-svn: 42653

llvm-svn: 42652

llvm-svn: 42651

llvm-svn: 42650

objective-c types. It also removes use of Scope* parameter in
getObjCProtocolDecl.

llvm-svn: 42649

llvm-svn: 42648

leal 1(%ecx), %edi, which requires 67H prefix.

llvm-svn: 42647

llvm-svn: 42646

Selector's instead of requiring void* to be used.  I converted one use of
DenseSet<void*> over to use DenseSet<Selector> but the others should change
as well.

llvm-svn: 42645

basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644

Layering refinements for selectors (suggested by Chris). Specifics...

- Add SelectorTable, which enables us to remove MultiKeywordSelector from the public header.
- Remove FoldingSet from IdentifierInfo.h and Preprocessor.h.
- Remove Parser::ObjcGetUnarySelector and Parser::ObjcGetKeywordSelector, they are subsumed by SelectorTable.
- Add MultiKeywordSelector to IdentifierInfo.cpp.
- Move a bunch of selector related methods from ParseObjC.cpp to IdentifierInfo.cpp.
- Added some comments.

llvm-svn: 42643

llvm-svn: 42642

2) Use of the new DenseSet<t> abstractions instead of DenseMap<t,char>.

llvm-svn: 42641

llvm-svn: 42640

llvm-svn: 42639

llvm-svn: 42638

for consistency.

llvm-svn: 42637

llvm-svn: 42636

llvm-svn: 42635

llvm-svn: 42634

llvm-svn: 42633

produce two results.

llvm-svn: 42632

llvm-svn: 42631

llvm-svn: 42630

Optimize |= case for empty RHS

llvm-svn: 42629

llvm-svn: 42628

llvm-svn: 42627

llvm-svn: 42626

scheduler will try a number of tricks in order to avoid generating the
copies. This may not be possible in case the node produces a chain value
that prevent movement. Try unfolding the load from the node before to allow
it to be moved / cloned.

llvm-svn: 42625

llvm-svn: 42624

llvm-svn: 42623

llvm-svn: 42622

address (not just from / to frameindexes).
- Added target hooks to unfold load / store instructions / SDNodes into separate
load, data processing, store instructions / SDNodes.

llvm-svn: 42621

llvm-svn: 42620

llvm-svn: 42619

llvm-svn: 42616

llvm-svn: 42613