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118053 Commits

Author SHA1 Message Date
Jim Grosbach 46be301c4c Tidy up. Hard tabs. 
llvm-svn: 145878
 2011-12-06 00:13:09 +00:00
Jim Grosbach 02a75cebfe Tidy up. Hard tabs. 
llvm-svn: 145877
 2011-12-06 00:12:12 +00:00
Nick Lewycky cff88d3e06 All these arguments are default anyways. 
llvm-svn: 145876
 2011-12-06 00:11:58 +00:00
Jim Grosbach 0c31f1c6ae Tidy up. 80 columns. 
llvm-svn: 145875
 2011-12-06 00:11:13 +00:00
Eli Friedman 7c6515a653 Make sure we perform lvalue-to-rvalue conversions for enum initializers. PR11484. 
llvm-svn: 145874
 2011-12-06 00:10:34 +00:00
Jim Grosbach 18e2fe47fa Switch MCAssembler to method names starting w/ lower-case. 
per http://llvm.org/docs/CodingStandards.html#ll_naming

llvm-svn: 145873
 2011-12-06 00:03:48 +00:00
Fariborz Jahanian 56f326e7f2 objc: put out more coherent warning when method definition 
attributes don't match its declaration. // rdar://10529259.

llvm-svn: 145872
 2011-12-06 00:02:41 +00:00
Jim Grosbach 34a7c6dfd7 Simple branch relaxation for Thumb2 Bcc instructions. 
Not right yet, as the rules for when to relax in the MCAssembler aren't
(yet) correct for ARM. This is a step in the proper direction, though.

llvm-svn: 145871
 2011-12-05 23:45:46 +00:00
Jim Grosbach 78309c47c7 Tidy up. 
llvm-svn: 145870
 2011-12-05 23:20:14 +00:00
Nick Lewycky 897a57ecda Silence tsan false-positives (tsan can't track things which are only safe due to 
memory fences) in statistics registration, which works the same way that
ManagedStatic registration does.

llvm-svn: 145869
 2011-12-05 23:07:05 +00:00
Joerg Sonnenberger db66ed0e4c Add -mstack-alignment=X and fix -mstackrealign handling now that the 
backend options are gone.

llvm-svn: 145868
 2011-12-05 23:05:23 +00:00
Fariborz Jahanian 7b1866930e More refactoring of objc rewriter. 
llvm-svn: 145867
 2011-12-05 22:59:54 +00:00
Chad Rosier 3277557741 Update comment. 
llvm-svn: 145866
 2011-12-05 22:53:09 +00:00
Chad Rosier 19446a07a7 Make the MemCpyOptimizer a bit more aggressive. I can't think of a scenerio 
where this would be bad as the backend shouldn't have a problem inlining small
memcpys.
rdar://10510150

llvm-svn: 145865
 2011-12-05 22:37:00 +00:00
Douglas Gregor 734410916a Parse inferred submodules in module maps, track their contents in 
Module, and (de-)serialize this information. Semantics of inferred
submodules to follow.

llvm-svn: 145864
 2011-12-05 22:27:44 +00:00
Jim Grosbach b8c719ccc6 Tweak ADDrr fix. Bad check for explicit .w 
llvm-svn: 145863
 2011-12-05 22:27:04 +00:00
Eli Friedman 6d694a38fd Make EmitAggregateCopy take an alignment argument. Make EmitFinalDestCopy pass in the correct alignment when known. 
The test includes a FIXME for a related case involving calls; it's a bit more complicated to fix because the RValue class doesn't keep track of alignment.

<rdar://problem/10463337>
  

llvm-svn: 145862
 2011-12-05 22:23:28 +00:00
Jim Grosbach 8b5e92577b Update tests for r145860. Add a few new ones. 
llvm-svn: 145861
 2011-12-05 22:21:28 +00:00
Jim Grosbach e489babf9b Thumb2 prefer ADD register encoding T2 to T3 when possible. 
rdar://10529664

llvm-svn: 145860
 2011-12-05 22:16:39 +00:00
Argyrios Kyrtzidis 1a10f29b2f [libclang] When indexing a field in a C++ class, return an entity 
of kind CXIdxEntity_CXXInstanceVariable. rdar://10522503.

llvm-svn: 145859
 2011-12-05 22:05:28 +00:00
Anna Zaks 02a1fc1da6 [analyzer] Rely on LLVM Dominators in Clang dominator computation. 
(Previously, Clang used it's implementation of dominators.)

The patch is contributed by Guoping Long!

llvm-svn: 145858
 2011-12-05 21:33:11 +00:00
Anna Zaks 5c10794254 [analyzer] Mark ConstraintManager::canReasonAbout as protected. 
llvm-svn: 145857
 2011-12-05 21:33:06 +00:00
Anna Zaks 2d2999821b [analyzer] Simplify the condition. 
This is a fixup for r145832.

The extra clauses do not matter after we remove the dependency on canReasonAbout(InitVal) in r145832.

llvm-svn: 145856
 2011-12-05 21:33:01 +00:00
Anna Zaks d624f60a89 [analyzer] Simplify the expected-warning statement. 
llvm-svn: 145855
 2011-12-05 21:32:58 +00:00
Bill Wendling b437ab8561 Move 'returns_twice' definition into alphabetical place. 
llvm-svn: 145854
 2011-12-05 21:27:54 +00:00
Akira Hatanaka 20cee2eba1 Add definitions of 64-bit extract and insert instrucions and make 
PerformANDCombine and PerformOrCombine aware of them. Test cases are included
too.

llvm-svn: 145853
 2011-12-05 21:26:34 +00:00
Akira Hatanaka 9b8ac674bc Split ExtIns into two base classes and have instructions EXT and INS derive from 
them.

llvm-svn: 145852
 2011-12-05 21:14:28 +00:00
Jim Grosbach ec9ba98299 Thumb2 prefer encoding T3 to T4 for ADD/SUB immediate instructions. 
rdar://10529348

llvm-svn: 145851
 2011-12-05 21:06:26 +00:00
Akira Hatanaka 34e3df76f9 Have LowerJumpTable support Mips64. Modify 2010-07-20-Switch.ll to test N64 and 
O32 with relocation-model=pic too.

llvm-svn: 145850
 2011-12-05 21:03:03 +00:00
Lang Hames df5c121f8e Add a warning for implicit conversion from function literals (and static 
methods) to bool. E.g.

void foo() {}
if (f) { ... // <- Warns here.
}

Only applies to non-weak functions, and does not apply if the function address
is taken explicitly with the addr-of operator.

llvm-svn: 145849
 2011-12-05 20:49:50 +00:00
Kostya Serebryany ab7940f6e1 [asan]: test a pure C file with -faddress-sanitizer; lint fixes 
llvm-svn: 145848
 2011-12-05 20:44:30 +00:00
Jim Grosbach fdf9e1587a ARM assembly parsing for the rest of the VMUL data type aliases. 
Finish up rdar://10522016.

llvm-svn: 145846
 2011-12-05 20:29:59 +00:00
Lang Hames d42bb47782 Make isWeakDecl available as a method on ValueDecl. 
llvm-svn: 145845
 2011-12-05 20:16:26 +00:00
Jim Grosbach 9e90c5cde3 Fix previous commit. Oops. 
llvm-svn: 145844
 2011-12-05 20:12:26 +00:00
Jim Grosbach 2b37e4fc80 Tidy up. No functional change. 
llvm-svn: 145843
 2011-12-05 20:09:44 +00:00
Jim Grosbach 0a978ef715 ARM assmebler parsing for two-operand VMUL instructions. 
Combined destination and first source operand for f32 variant of the VMUL
(by scalar) instruction.

rdar://10522016

llvm-svn: 145842
 2011-12-05 19:55:46 +00:00
Fariborz Jahanian 8efef60f69 More objc rewriter refactoring. 
llvm-svn: 145841
 2011-12-05 19:50:04 +00:00
Jim Ingham ac01260545 Sanity check the inputs to SBCommandInterpreter::HandleCompletion 
llvm-svn: 145840
 2011-12-05 19:24:15 +00:00
Kostya Serebryany 0e069e2aa9 [asan] add the test for bug 11468 
llvm-svn: 145839
 2011-12-05 19:20:57 +00:00
Kostya Serebryany 49a182fa12 [asan] always collect malloc statstics (removed FLAG_stats) 
llvm-svn: 145838
 2011-12-05 19:17:53 +00:00
Anna Zaks e9504a267e Change the Dominators recalculate() function to only rely on GraphTraits 
This is a patch by Guoping Long!

As part of utilizing LLVM Dominator computation in Clang, made two changes to LLVM dominators tree implementation:

 - (1) Change the recalculate() template function to only rely on GraphTraits.
 - (2) Add a size() method to GraphTraits template class to query the number of nodes in the graph.

llvm-svn: 145837
 2011-12-05 19:17:04 +00:00
Anna Zaks 004695b56e [analyzer] Add a missing taint tester warning. 
llvm-svn: 145834
 2011-12-05 18:58:33 +00:00
Anna Zaks d066f79c80 [analyzer] Unify SymbolVal and SymExprVal under a single SymbolVal 
class.

We are going into the direction of handling SymbolData and other SymExpr
uniformly, so it makes less sense to keep two different SVal classes.
For example, the checkers would have to take an extra step to reason
about each type separately.

The classes have the same members, we were just using the SVal kind
field for easy differentiation in 3 switch statements. The switch
statements look more ugly now, but we can make the code more readable in
other ways, for example, moving some code into separate functions.

llvm-svn: 145833
 2011-12-05 18:58:30 +00:00
Anna Zaks a636fbe73f [analyzer] Remove all uses of ConstraintManager::canResonAbout() from 
ExprEngine.

Teach SimpleConstraintManager::assumeSymRel() to propagate constraints
to symbolic expressions.

+ One extra warning (real bug) is now generated due to enhanced
assumeSymRel().

llvm-svn: 145832
 2011-12-05 18:58:25 +00:00
Anna Zaks 51090d5f7f [analyzer] First step toward removing 
ConstraintManager::canReasonAbout() from the ExprEngine.

ExprEngine should not care if the constraint solver can reason about
something or not. The solver should be able to handle all the SymExprs.

To do this, the solver should be able to keep track of not only the
SymbolData but of all SymExprs. This is why we change SymbolRef to be an
alias of SymExpr*. When encountering an expression it cannot simplify,
the solver should just add the constraints to it.

llvm-svn: 145831
 2011-12-05 18:58:19 +00:00
Anna Zaks 820e87e928 [analyzer] Minor improvements on RangeConstraint pretty-printing. 
llvm-svn: 145830
 2011-12-05 18:58:14 +00:00
Anna Zaks 223516523e [analyzer] Change RetainCountChecker to use symbol dump method instead 
of relying on SymbolID.

This way any expression can be printed (not only SymbolData).

llvm-svn: 145829
 2011-12-05 18:58:11 +00:00
Anna Zaks f784d08d25 [analyzer] Add ability to do a simple ProgramState dump() without 
requiring CFG.

Adding more ugly code; the evnvironment printing should be moved to
envirnment at some point.

llvm-svn: 145828
 2011-12-05 18:58:08 +00:00
Anna Zaks 1c215d0a11 [analyzer] Add a debug checker to test for tainted data. 
llvm-svn: 145827
 2011-12-05 18:58:01 +00:00
Kostya Serebryany 92ebcadfe4 [asan] cleanup memset/memmove/memcpy interceptors and enable them on Mac. Patch by samsonov@google.com 
llvm-svn: 145826
 2011-12-05 18:56:29 +00:00