llvm-svn: 54349

llvm-svn: 54348

llvm-svn: 54347

Fix PR2568: Fix bug that cause redudant kill marker after its live interval has been extended due to coalescing.

llvm-svn: 54346

 - Use -verify and added expected warnings for EXTWARN change.

llvm-svn: 54342

llvm-svn: 54340

 - ActOnDeclarator now takes an additional parameter which is the
   AsmLabel if used. Its unfortunate that this bubbles up this high,
   but we cannot just lump it in as an attribute without mistakenly
   *accepting* it as an attribute.
 - The actual asm-label itself is, however, encoded as an AsmLabelAttr
   on the FunctionDecl.
 - Slightly improved parser error recovery on malformed asm-labels.
 - CodeGen support still missing...

llvm-svn: 54339

 - <rdar://problem/6122967>

llvm-svn: 54338

llvm-svn: 54337

llvm-svn: 54336

 - Like EXTENSION but always generates a warning (even without
   -pedantic).
 - Updated ptr -> int, int -> ptr, and incompatible cast warnings to
   be EXTWARN.
 - Other EXTENSION level diagnostics should be audited for upgrade.
 - Updated several test cases to fix code which produced unanticipated
   warnings.

llvm-svn: 54335

Update these tests to work by disabling the new correct CFG generation.  This flag should ONLY be used to for tests like these.

llvm-svn: 54334

- Add a basic machine-level dead block eliminator.

These two have to go together, since many other parts of the code generator are unable to handle the unreachable blocks otherwise created.

llvm-svn: 54333

version uses a new algorithm for evaluating the binomial coefficients 
which is significantly more efficient for AddRecs of more than 2 terms 
(see the comments in the code for details on how the algorithm works).  
It also fixes some bugs: it removes the arbitrary length restriction for 
AddRecs, it fixes the silent generation of incorrect code for AddRecs 
which require a wide calculation width, and it fixes an issue where we 
were incorrectly truncating the iteration count too far when evaluating 
an AddRec expression narrower than the induction variable.

There are still a few related issues I know of: I think there's 
still an issue with the SCEVExpander expansion of AddRec in terms of
the width of the induction variable used.  The hack to avoid generating 
too-wide integers shouldn't be necessary; instead, the callers should be 
considering the cost of the expansion before expanding it (in addition 
to not expanding too-wide integers, we might not want to expand 
expressions that are really expensive, especially when optimizing for 
size; calculating an length-17 32-bit AddRec currently generates about 250 
instructions of straight-line code on X86).  Also, for long 32-bit 
AddRecs on X86, CodeGen really sucks at scheduling the code.  I'm planning on 
filing follow-up PRs for these issues.

llvm-svn: 54332

This allows it to work correctly on aggregate values.
This fixes PR2623.

llvm-svn: 54331

This allows it to work correctly on nested aggregate values.
This fixes PR2625.

llvm-svn: 54330

llvm-svn: 54329

"the attached patch fixes some typos, 80 cols violations, etc. in comments."

llvm-svn: 54328

 - clang was erroneously accepting address-of applied to lvalue
   expressions involving pointer arithmetic.
 - clang was erroneously rejecting address-of applied to deref
   expressions of pointer-typed variables.
 - Improved existing test case.
 - Fixes: <rdar://problem/6113867>, <rdar://problem/6080158>

llvm-svn: 54326

When results go to a auto-generated dir in /tmp, don't use randomized file names.  Just output /tmp/scan-build-DATE-counter, where counter is an auto-incremented counter for runs produced that day.

llvm-svn: 54325

llvm-svn: 54324

Recognize 'ccc-analyzer' as a build command some users may use.  Treat it just like calling gcc.

llvm-svn: 54323

llvm-svn: 54322

Fix regression when invoking the MissingDealloc analysis: disable this check when in -fobjc-gc-only mode.

llvm-svn: 54319

 - Follows emission scheme used by llvm-gcc, i.e. invent an id for
   each label whose address is taken and replace each indirect goto by
   a switch to each possible target.
 - Currently we emit a switch for each indirect goto instead of
   merging them as llvm-gcc does.

llvm-svn: 54318

Finally fix PR2189.  This makes a fairly invasive but important change to
move getAsArrayType into ASTContext instead of being a method on type.
This is required because getAsArrayType(const AT), where AT is a typedef
for "int[10]" needs to return ArrayType(const int, 10).

Fixing this greatly simplifies getArrayDecayedType, which is a good sign.

llvm-svn: 54317

aren't used anyway, they also used to broke compiling when fastcc was specified for a
function, but not anymore.

llvm-svn: 54316

llvm-svn: 54315

llvm-svn: 54314

llvm-svn: 54313

llvm-svn: 54312

llvm-svn: 54276

Added hi,lo registers to be used,def implicitly. This provides better handle of
instructions which use hi/lo.
Fixes a small BranchAnalysis bug

llvm-svn: 54274

llvm-svn: 54273

llvm-svn: 54268

llvm-svn: 54266

No functionality change.

llvm-svn: 54265

llvm-svn: 54264

llvm-svn: 54262

 - Just added prints for all the action functions. Ideally this would
   be extended to print all the information for the actions.

llvm-svn: 54259