made sense to me.  We now have a set of dead stack objects, and
they become live when loaded.  Fix a theoretical problem where
we'd pass in the wrong pointer to the alias query.

llvm-svn: 120465

If the call might read all the allocas, stop scanning early.
Convert a vector to smallvector, shrink SmallPtrSet to 16 instead
of 64 to avoid crazy linear scans.

llvm-svn: 120463

    rdar://problem/8710994 Assertion failed: (reg_info) GDBRemoteRegisterContext.cpp, line 199

llvm-svn: 120462

- Use a DenseSet instead of a FoldingSet to cache
canonicalized nodes.  This reduces the overhead
of double-hashing.

- Use reference counts in ImutAVLTree to much
more aggressively recover tree nodes that are
no longer usable.  We can generate many
transient nodes while using add() and remove()
on ImmutableSet/ImmutableMaps to generate a final
set/map.

For the clang static analyzer (the main client
of these data structures), this results in
a slight speedup (0.5%) when analyzing sqlite3,
but much more importantly results in a 30-60%
reduction in peak memory usage when the analyzer
is analyzing a given function in a file.  On
average that's about a ** 44% reduction ** in the
memory footprint of the static analyzer.

llvm-svn: 120459

llvm-svn: 120458

there should be a better way to do this.  PR 8679.

llvm-svn: 120457

llvm-svn: 120455

llvm-svn: 120454

AA and MD pass info instead of using getAnalysis<> all over.

llvm-svn: 120453

llvm-svn: 120452

llvm-svn: 120451

llvm-svn: 120450

llvm-svn: 120449

declarations.

llvm-svn: 120448

llvm-svn: 120447

llvm-svn: 120446

now that DSE hacks on them.  This fixes a regression I introduced,
by generalizing DSE to hack on transfers.

llvm-svn: 120445

no extra encoding information), so we no longer need to special case them
here.

llvm-svn: 120444

llvm-svn: 120443

llvm-svn: 120442

llvm-svn: 120441

Change the basic block map in LoopInfo from a std::map to a DenseMap. This is a 16% speedup running loops on test-suite + SPEC2000.

Reviewed by Eric Christopher.

llvm-svn: 120440

llvm-svn: 120439

rdar://8685712

llvm-svn: 120438

(// rdar://8592641). Also rename LANGUAGEID to
LanguageID.

llvm-svn: 120437

llvm-svn: 120436

and use this to disable a specific optimization.  Patch by Micah Villmow!

llvm-svn: 120435

    rdar://problem/8710994 Assertion failed: (reg_info) GDBRemoteRegisterContext.cpp, line 199

llvm-svn: 120434

llvm-svn: 120433

    rdar://problem/8710994 Assertion failed: (reg_info) GDBRemoteRegisterContext.cpp, line 199

llvm-svn: 120432

Application Specific Information:
HandleCommand(command = "expression self->str")


radar:8711052

llvm-svn: 120431

    rdar://problem/8710994 Assertion failed: (reg_info) GDBRemoteRegisterContext.cpp, line 199

llvm-svn: 120430

a specific language. We are adding such language info. by
extensing Builtins.def and via a language flag added
to LIBBUILTIN/BUILTIN and check for that when deciding
a name is builtin or not. Implements //rdar://8689273.

llvm-svn: 120429

llvm-svn: 120423

about the reliability of this yet.

llvm-svn: 120422

llvm-svn: 120421

llvm-svn: 120420

llvm-svn: 120418

llvm-svn: 120416

llvm-svn: 120415