llvm-svn: 55556

Fix an issue where a use might be selected before a def, and then we didn't respect the pre-chosen vreg
assignment when selecting the def.  This is the naive solution to the problem: insert a copy to the pre-chosen
vreg.  Other solutions might be preferable, such as:
  1) Passing the dest reg into FastEmit_.  However, this would require the higher level code to know about reg classes, which they don't currently.
  2) Selecting blocks in reverse postorder.  This has some compile time cost for computing the order, and we'd need to measure its impact.

llvm-svn: 55555

llvm-svn: 55554

llvm-svn: 55553

llvm-svn: 55552

llvm-svn: 55551

llvm-svn: 55550

llvm-svn: 55549

llvm-svn: 55548

 - Support environment variable CCC_LANGUAGES to control which
   languages clang is invoked on. If unset clang is invoked for all
   languages, otherwise CCC_LANGUAGES should be a comma separated list
   of the languages (as accepted by -x) for which clang should be
   invoked. Useful for only building C and Objective-C parts of a
   project with clang, for example.

 - Add environment variable CCC_FALLBACK. If set and non-empty then
   ccc will try and compile using the regular compiler if compilation
   with clang fails.

 - A few other tweaks to add options, flush stdout, recognize .mm as
   objective-c++, and infer languages for compile+link style
   invocations.

llvm-svn: 55547

llvm-svn: 55546

llvm-svn: 55545

 - Notably VLAs

llvm-svn: 55544

llvm-svn: 55543

llvm-svn: 55542

%4 = add ...

instead of:

add ...    ; 4

This makes opt -print-cfg output actually usable and makes .ll files
generally easier to read.  This fixes PR2480

llvm-svn: 55541

llvm-svn: 55540

nameless values, such as:

%3 = add i32 4, 2

This fixes the first half of PR2480

llvm-svn: 55539

llvm-svn: 55538

llvm-svn: 55537

llvm-svn: 55536

Objective-C property references.
 - This handles property references "more correctly" but setters still
   don't work.

llvm-svn: 55534

llvm-svn: 55533

llvm-svn: 55531

llvm-svn: 55530

llvm-svn: 55529

llvm-svn: 55528

llvm-svn: 55526

llvm-svn: 55525

references HTML page.

llvm-svn: 55524

  /// lookup - Return the entry for the specified key, or a default
  /// constructed value if no such entry exists.

llvm-svn: 55523

Migrated CFRefCount.cpp to use getBindings and BindingsAsString instead of
making assumptions about the Store (removed dependence on GRState::vb_iterator).

llvm-svn: 55522

llvm-svn: 55521

llvm-svn: 55520

llvm-svn: 55519

llvm-svn: 55518

llvm-svn: 55517

llvm-svn: 55516

Remove Regions.h and Regions.cpp, since we are now using an even more abstract representation of "memory regions" in the static analyzer.

llvm-svn: 55515

Their precise semantics will be implemented by a specific StoreManager.

Use function pointer to create the StoreManager in GRStateManager.  This matches how we create ConstraintsManager.

llvm-svn: 55514