We need to update PHIs containing the exiting block, not the exit block.  We really should come up with better names for these.

llvm-svn: 50770

llvm-svn: 50769

llvm-svn: 50768

Fix <rdar://problem/5881225> clang ObjC Rewriter: Protocol structure defined twice when two interfaces use it in same file

llvm-svn: 50767

llvm-svn: 50766

llvm-svn: 50765

llvm-svn: 50764

llvm-svn: 50763

llvm-svn: 50762

llvm-svn: 50761

llvm-svn: 50760

llvm-svn: 50759

llvm-svn: 50758

llvm-svn: 50757

llvm-svn: 50756

llvm-svn: 50755

llvm-svn: 50754

llvm-svn: 50753

llvm-svn: 50752

"Execution continues..." message, which does a better job at handling corner cases.

llvm-svn: 50751

llvm-svn: 50750

llvm-svn: 50749

llvm-svn: 50748

(was IdentifierInfo * before). This will make method declartations whole
lot easier.

llvm-svn: 50747

llvm-svn: 50746

llvm-svn: 50745

This makes more interesting graph topologies possible. Currently all tests pass,
but more testing is needed.

llvm-svn: 50744

llvm-svn: 50743

llvm-svn: 50742

llvm-svn: 50741

llvm-svn: 50740

llvm-svn: 50739

llvm-svn: 50738

llvm-svn: 50737

llvm-svn: 50736

llvm-svn: 50735

llvm-svn: 50734

llvm-svn: 50733

llvm-svn: 50732

llvm-svn: 50731