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118089 Commits

Author SHA1 Message Date
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
Sean Callanan 458bba71be Because we now call StartTagDeclarationDefinition() 
and CompleteTagDeclarationDefinition() on Objective-C
interfaces populated by SymbolFileSymtab::FindTypes(),
we should mark the interface as forward-declared when
we create it.

llvm-svn: 145825
 2011-12-05 18:49:06 +00:00
Fariborz Jahanian 68e628e51f Some early refactoring of objective-c rewriter. 
llvm-svn: 145824
 2011-12-05 18:43:13 +00:00
Kostya Serebryany 4dd9e4765d [asan] don't require libstdc++ for asan on linux. Mac fix will go separately 
llvm-svn: 145823
 2011-12-05 18:32:37 +00:00
Chris Lattner 1e13e8ac97 we got badgered into supporting multi-alternative constraints. 
llvm-svn: 145822
 2011-12-05 18:29:03 +00:00
Kostya Serebryany 93927f9e01 [asan] don't require __cxa_throw to be present in the process. This is the last dependency on libstdc++ 
llvm-svn: 145821
 2011-12-05 17:56:32 +00:00
Hal Finkel 97a6028b3a Add test case - this input used to crash because of duplicate generation of SPILL_CRs 
llvm-svn: 145820
 2011-12-05 17:55:22 +00:00
Hal Finkel 8f6834dfa5 enable PPC register scavenging by default (update tests and remove some FIXMEs) 
llvm-svn: 145819
 2011-12-05 17:55:17 +00:00
Hal Finkel 72a26e8b8d don't include CR bit subregs in callee-saved list 
llvm-svn: 145818
 2011-12-05 17:55:12 +00:00
Hal Finkel e18c72689c remove wasted space for extra bit copies of CR2 subregs 
llvm-svn: 145817
 2011-12-05 17:55:06 +00:00
Hal Finkel b544019a60 add register pressure for CR regs 
llvm-svn: 145816
 2011-12-05 17:54:17 +00:00
Greg Clayton 2a4c2f7998 Bumped Xcode project version for lldb-92. 
llvm-svn: 145814
 2011-12-05 17:41:20 +00:00
Douglas Gregor d8bd7537ec Inferred framework modules automatically export anything they import 
(i.e., 'export *'), to better match the semantics of headers.

llvm-svn: 145813
 2011-12-05 17:40:25 +00:00
Douglas Gregor 8c7c83522b Fix printing of wildcard exports. 
llvm-svn: 145812
 2011-12-05 17:34:59 +00:00
Douglas Gregor f5eedd05db Implement support for wildcard exports in modules, allowing a module 
to re-export anything that it imports. This opt-in feature makes a
module behave more like a header, because it can be used to re-export
the transitive closure of a (sub)module's dependencies.

llvm-svn: 145811
 2011-12-05 17:28:06 +00:00