llvm-svn: 4678

llvm-svn: 4677

llvm-svn: 4676

* Significantly improve DEBUG output
* Aggressively fold calls together if we inlined a graph that provides
  call nodes.
* Add a bailout if the current graph has over 200 call nodes in it, this is
  a really whacky case that should never happen.

llvm-svn: 4675

llvm-svn: 4674

llvm-svn: 4673

llvm-svn: 4672

llvm-svn: 4671

llvm-svn: 4670

llvm-svn: 4669

llvm-svn: 4668

llvm-svn: 4667

This slows stuff down a bit, but it should get much better before it gets any
worse.

llvm-svn: 4666

llvm-svn: 4665

llvm-svn: 4664

llvm-svn: 4663

llvm-svn: 4662

llvm-svn: 4661

llvm-svn: 4660

llvm-svn: 4659

llvm-svn: 4658

llvm-svn: 4657

llvm-svn: 4656

llvm-svn: 4655

llvm-svn: 4654

llvm-svn: 4653

llvm-svn: 4652

llvm-svn: 4651

llvm-svn: 4650

llvm-svn: 4649

llvm-svn: 4648

llvm-svn: 4647

llvm-svn: 4646

llvm-svn: 4645

llvm-svn: 4644

for example: 197.parser (64M->14M), 164.gzip (14M->2.7M).  The actual graphs
represented should not change at all.

llvm-svn: 4643

llvm-svn: 4642

llvm-svn: 4641

llvm-svn: 4640

the aux call sites should be copied

llvm-svn: 4639