llvm-svn: 173429

llvm-svn: 173428

This fixes DAG subtree analysis at the boundary.

llvm-svn: 173427

Maintain separate per-node and per-tree book-keeping.
Track all instructions above a DAG node including nested subtrees.
Seperately track instructions within a subtree.
Record subtree parents.

llvm-svn: 173426

Allow the strategy to select SchedDFS. Allow the results of SchedDFS
to affect initialization of the scheduler state.

llvm-svn: 173425

llvm-svn: 173424

llvm-svn: 173423

clang/test/Index/crash-recovery-*.c: Drop 'REQUIRES:shell". "test !" is available on Lit win32 since r173421.

llvm-svn: 173422

llvm-svn: 173421

This is mostly refactoring, along with adding an instruction count
within the subtrees and ensuring we only look at data edges.

llvm-svn: 173420

llvm-svn: 173419

clang/test/CodeGenCXX/debug-info-static-member.cpp: Appease targetting msvc to add explicit -target x86_64-unknown-unknown.

with -target i686-win32, you will see;

debug-info-static-member.cpp:11:22: error: in-class initializer for static data member of type 'const float' requires 'constexpr' specifier [-Wstatic-float-init]
  const static float const_b = 3.14;
                     ^         ~~~~
  constexpr

llvm-svn: 173418

loops over instructions in the basic block or the use-def list of the
value, neither of which are really efficient when repeatedly querying
about values in the same basic block.

What's more, we already know that the CondBB is small, and so we can do
a much more efficient test by counting the uses in CondBB, and seeing if
those account for all of the uses.

Finally, we shouldn't blanket fail on any such instruction, instead we
should conservatively assume that those instructions are part of the
cost.

Note that this actually fixes a bug in the pass because
isUsedInBasicBlock has a really terrible bug in it. I'll fix that in my
next commit, but the fix for it would make this code suddenly take the
compile time hit I thought it already was taking, so I wanted to go
ahead and migrate this code to a faster & better pattern.

The bug in isUsedInBasicBlock was also causing other tests to test the
wrong thing entirely: for example we weren't actually disabling
speculation for floating point operations as intended (and tested), but
the test passed because we failed to speculate them due to the
isUsedInBasicBlock failure.

llvm-svn: 173417

These files had been ignored.

  - clang_f_opts.h
  - debug-comp-dir.S
  - debug-main-file.S

llvm-svn: 173416

llvm-svn: 173415

and split it out of -Wgnu into its own warning flag.

 * In C++11, this is now a hard error (GCC has no extension here in C++11 mode).
   The error can be disabled with -Wno-static-float-init, and has a fixit to
   add 'constexpr'.

 * In C++98, this is still an ExtWarn, but is now controlled by
   -Wstatic-float-init as well as -Wgnu.

llvm-svn: 173414

interface and allow other strategies to select it.

llvm-svn: 173413

llvm-svn: 173412

llvm-svn: 173411

GCC docs.
 - Found by inspection.

llvm-svn: 173410

llvm-svn: 173409

llvm-svn: 173408

directive for the Mips assembler.

Contributer: Vladimir Medic
 
llvm-svn: 173407

Change the GDBRemoteRegisterContext::AddRegister function to take
its RegisterInfo argument by value instead of using a reference -
it will modify the object and modifying the contents of the 
g_register_infos table in GDBRemoteRegisterContext.cpp can cause a
crash the next time we step through it.

llvm-svn: 173406

AST reader.

The global module index tracks all of the identifiers known to a set
of module files. Lookup of those identifiers looks first in the global
module index, which returns the set of module files in which that
identifier can be found. The AST reader only needs to look into those
module files and any module files not known to the global index (e.g.,
because they were (re)built after the global index), reducing the
number of on-disk hash tables to visit. For an example source I'm
looking at, we go from 237844 total identifier lookups into on-disk
hash tables down to 126817.

Unfortunately, this does not translate into a performance advantage.
At best, it's a wash once the global module index has been built, but
that's ignore the cost of building the global module index (which
is itself fairly large). Profiles show that the global module index
code is far less efficient than it should be; optimizing it might give
enough of an advantage to justify its continued inclusion.

llvm-svn: 173405

"-fmodules-global-index" and expand its behavior to include both the
use and generation of the global module index.

llvm-svn: 173404

identifiers within the AST file reader.

llvm-svn: 173403

- introduce new variable ARCHFLAG in make/Makefile.rules to switch between "-arch" on Mac and "-m" everywhere else
- update testcase makefiles to use LD_EXTRAS instead of LDFLAGS (the former interacts with Makefile.rules badly)
- special treatment for gcc 4.6: replace "-std=c++11" with "-std=c++0x" as the former is not handled correctly
- remove hardcoded "-arch" from test Makefile

This patch should not have any effect on lldb on Mac OS X.

llvm-svn: 173402

llvm-svn: 173401

Thanks, Dmitri.

llvm-svn: 173400

For sanity, create a root when NumDataSuccs >= 4. Splitting large
subtrees will no longer be detrimental after my next checkin to handle
nested tree. A magic number of 4 is fine because single subtrees
seldom rejoin more than this. It makes subtrees easier to visualize
and heuristics more sane.

llvm-svn: 173399

llvm-svn: 173398

for template instantiations, and use it to simplify the implementation of
FunctionDecl::isInlined().

This incidentally changes the result of isInlined on a declared-but-not-defined
non-inline member function from true to false. This is sort of a bug fix, but
currently isInlined is only called on function definitions, so it has no visible
effects.

llvm-svn: 173397

llvm-svn: 173396

Patch by Stefan Hepp.

llvm-svn: 173395

- Add new decorator "@skipIfGcc" to lldbtest.py

llvm-svn: 173394

llvm-svn: 173393

llvm-svn: 173392

llvm-svn: 173391

handler.  Also put in string translations for a couple of exceptions we were missing.

llvm-svn: 173390