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130091 Commits

Author SHA1 Message Date
Benjamin Kramer 300c063db3 CXXRecordDecl: Split getBases/getVBases into a slow and a fast path. 
This avoids costly computation of getASTContext() and drops the header
dependency from DeclCXX.h to ASTContext.h.

llvm-svn: 159716
 2012-07-04 17:03:33 +00:00
Rafael Espindola 1a7cf13215 Add a testcase for pr13209. It is not a great test, but it still fails if 
159509 and 159479 are reverted. It would be really nice to be able to run
just the coalescer :-(

llvm-svn: 159715
 2012-07-04 16:06:00 +00:00
Alexey Samsonov b4ea34f5d7 [TSan] Improve output tests: allow reports to contain file:line:column instead of file:line 
llvm-svn: 159714
 2012-07-04 15:48:05 +00:00
Alexander Potapenko 77769caaef Do not call malloc_zone_from_ptr() for the pointers passed to mz_size() and mz_free(). 
These callbacks assume that the memory belongs to asan_zone, so it's incorrect to pass it to another one.
If a need for this appears (e.g. system libraries free the memory using wrong zone), it should be documented.

llvm-svn: 159713
 2012-07-04 13:58:07 +00:00
David Chisnall da22535573 Hoist the logic for selecting the Objective-C dispatch method into the runtime 
class, from the target.  No functionality change, just less duplicated logic.

llvm-svn: 159710
 2012-07-04 11:52:24 +00:00
Alexey Samsonov 3ac4548c92 [ASan] Minor fix in symbolizer output. 
llvm-svn: 159709
 2012-07-04 10:58:35 +00:00
David Chisnall 314896c9fc A few more cleanups for the GNU family of ObjC runtimes. 
llvm-svn: 159708
 2012-07-04 10:37:03 +00:00
Alexey Samsonov 5cbbf4ca57 Fix a bug in DebugInfo lib, extend a comment for one of the methods 
llvm-svn: 159707
 2012-07-04 09:42:54 +00:00
Abramo Bagnara e06a8887d8 Renamed RawComment kinds to avoid name clash. 
llvm-svn: 159706
 2012-07-04 07:30:26 +00:00
Stepan Dyatkovskiy a3b11bdbea Reverted r159658: 
Optimized diff operation: implemented the case when LHS and RHS subsets contains single numbers only.

llvm-svn: 159704
 2012-07-04 06:07:06 +00:00
Stepan Dyatkovskiy 7ff588f986 Reverted r156659, due to probable performance regressions, DenseMap should be used here: 
IntegersSubsetMapping
  - Replaced type of Items field from std::list with std::map. In neares future I'll test it with DenseMap and do the correspond replacement
    if possible.

llvm-svn: 159703
 2012-07-04 05:53:05 +00:00
Nick Kledzik 686eec102c Add missing LLVMSupport 
llvm-svn: 159702
 2012-07-04 02:16:35 +00:00
Eric Christopher ef9d710ea6 Reduce some code duplication. 
llvm-svn: 159701
 2012-07-04 02:02:18 +00:00
Sean Callanan 585c0ec8e1 Fixed a potential crash if a metadata category 
we write into doesn't already exist.

<rdar://problem/11775508>

llvm-svn: 159700
 2012-07-04 01:26:26 +00:00
Matt Beaumont-Gay 11d08b2e22 Fix some ascii art in a comment to not have trailing backslashes (inspiration 
from IfConversion.cc), and fix some spelling and grammar in the surrounding
prose.

llvm-svn: 159699
 2012-07-04 01:09:45 +00:00
Jim Ingham 43c555dfcd Work around some problems destroying a process with older debugservers. 
rdar://problem/11359989

llvm-svn: 159697
 2012-07-04 00:35:43 +00:00
Bob Wilson ef285b4c22 Move a comment from the commit message into the code. 
llvm-svn: 159696
 2012-07-04 00:18:41 +00:00
Jakob Stoklund Olesen 49e4d4b3ef Add early if-conversion support to X86. 
Implement the TII hooks needed by EarlyIfConversion to create cmov
instructions and estimate their latency.

Early if-conversion is still not enabled by default.

llvm-svn: 159695
 2012-07-04 00:09:58 +00:00
Jakob Stoklund Olesen f8a63a1507 Add an experimental early if-conversion pass, off by default. 
This pass performs if-conversion on SSA form machine code by
speculatively executing both sides of the branch and using a cmov
instruction to select the result. This can help lower the number of
branch mispredictions on architectures like x86 that don't have
predicable instructions.

The current implementation is very aggressive, and causes regressions on
mosts tests. It needs good heuristics that have yet to be implemented.

llvm-svn: 159694
 2012-07-04 00:09:54 +00:00
Fariborz Jahanian 8be1ecd615 Obj-C++11 parser: handle a fall out of delayed 
c-function parsing when a declaration with
C++0x braced-init-list is inside an @implementation.

llvm-svn: 159693
 2012-07-03 23:22:13 +00:00
Jordan Rose 017591ab45 [analyzer] For now, don't inline non-static member overloaded operators. 
Our current inlining support (specifically RegionStore::enterStackFrame)
doesn't know that calls to overloaded operators may be calls to non-static
member functions, and that in these cases the first argument should be
treated as 'this'. This caused incorrect results and sometimes crashes.

The long-term fix will be to rewrite RegionStore::enterStackFrame to use
CallEvent and its subclasses, but for now we can just disable these
problematic calls by classifying them under a new CallEvent,
CXXMemberOperatorCall.

llvm-svn: 159692
 2012-07-03 22:55:57 +00:00
Fariborz Jahanian 8a369a82d5 Obj-C++11 parser: fix broken parsing of c-function 
defined in class implementations.

llvm-svn: 159691
 2012-07-03 22:54:28 +00:00
Fariborz Jahanian f30f6ac7b9 Obj-C++11 parser: turn off buffering of 
c-function defined in objc class
implementation for now.

llvm-svn: 159690
 2012-07-03 22:29:23 +00:00
Fariborz Jahanian 450bb6e8ff objective-c: Refactor parse/sema portion of 
objective-c's fast enumeration statement,
for more work to come.

llvm-svn: 159689
 2012-07-03 22:00:52 +00:00
Greg Clayton f7ab038ada Make the interactive command interpreter build into the "crashlog" command work correctly when run inside LLDB. Before this fix the "cmd.Cmd" object was trying to read from stdin itself and it was competing without command interpreter for the bytes. 
llvm-svn: 159688
 2012-07-03 21:40:18 +00:00
Nuno Lopes 0d44a50426 PHINode::hasConstantValue(): return undef if the PHI is fully recursive. 
Thanks Duncan for the idea

llvm-svn: 159687
 2012-07-03 21:15:40 +00:00
Greg Clayton c8a0ce0a7a <rdar://problem/11800213> 
Fixed a crasher in the "thread continue" code. There were many logic errors in the DoExecute function where thread index IDs were being used where the actual zero based thread index should have been used. This could cause crashes to happen since looking up a thread by index ID, when the zero based index of a thread should be used would return an empty thread shared pointer and cause a NULL deref.

llvm-svn: 159686
 2012-07-03 20:54:16 +00:00
Greg Clayton d7331f2acb Improved the name comparing logic a bit. 
llvm-svn: 159685
 2012-07-03 20:52:00 +00:00
David Chisnall b601c96892 Rename the GCC Objective-C runtime to gcc from gnu-fragile and the GNUstep 
runtime to gnustep from gnu.  Fix EH for the GCC runtime.

llvm-svn: 159684
 2012-07-03 20:49:52 +00:00
Bob Wilson 1e148fe064 When using -pg targeting OS X 10.8, pass -no_new_main to the linker. 
By default on OS X 10.8, we don't link with a crt1.o file and the linker
knows to use _main as the entry point.  But, when compiling with -pg, we
need to link with the gcrt1.o file, and the linker needs to be told to use
the "start" symbol as the entry point.  The -no_new_main linker option does
that last part.  <rdar://problem/11491405>

llvm-svn: 159683
 2012-07-03 20:42:10 +00:00
Arnaud A. de Grandmaison fa6d73cc90 [libclang] CompilationDatabase naming and comment fixes 
llvm-svn: 159682
 2012-07-03 20:38:12 +00:00
Dmitri Gribenko 93976cc136 CommentLexer: remove Markdown tokens from the token list (they are not emitted by lexer). 
llvm-svn: 159681
 2012-07-03 20:21:49 +00:00
Bill Wendling a0bc1083be Use the DebugInfo's 'print()' method to emit the comments. 
These give quite a bit more information about the DebugInfo and makes it more
readable.

llvm-svn: 159680
 2012-07-03 20:01:02 +00:00
DeLesley Hutchins 3a8d6cff14 Thread safety analysis: improve handling of smart pointers. 
llvm-svn: 159679
 2012-07-03 19:47:18 +00:00
Akira Hatanaka e1e3ad3d11 Make the following changes in the way Mips handles vector arguments and return 
values:

- Return integer vectors in integer registers.
- Pass vector arguments in integer registers.
- Set an upper bound for argument alignment. The largest alignment is 8-byte
  for O32 and 16-byte for N32/64.

llvm-svn: 159676
 2012-07-03 19:24:06 +00:00
DeLesley Hutchins 0c1da20bf8 Thread Safety Analysis: handle expressions involving temporaries, 
e.g. ExprWithCleanups.

llvm-svn: 159674
 2012-07-03 18:25:56 +00:00
Dmitri Gribenko 767ea0ff4a CommentBriefParser: remove dead store. Found by Clang Analyzer. 
llvm-svn: 159673
 2012-07-03 18:10:20 +00:00
Nuno Lopes 1e8dffdf27 BoundsChecking: optimize out the check for offset < 0 if size is known to be >= 0 (signed). 
(LLVM optimizers cannot do this optimization by themselves)

llvm-svn: 159668
 2012-07-03 17:30:18 +00:00
Nuno Lopes 9291ff4078 fold PHI nodes in SizeOffsetEvaluator whenever possible. 
Unfortunately this change requires the cache map to hold WeakVHs instead

llvm-svn: 159667
 2012-07-03 17:13:25 +00:00
Nuno Lopes 90c76dfb17 improve PHINode::hasConstantValue() to detect recursive cases like %phi = phi(%phi,42) as constant 
llvm-svn: 159666
 2012-07-03 17:10:28 +00:00
Hal Finkel 6b984f084c Add additional architecture defines for PPC targets. 
Patch by Andy Gibbs.

llvm-svn: 159665
 2012-07-03 16:51:04 +00:00
Argyrios Kyrtzidis 4cf2ffe28b [libclang] Protect against a race condition where a thread 
may be destroying an ASTUnit while cleanupOnDiskMapAtExit is
getting called.

rdar://11781241

llvm-svn: 159664
 2012-07-03 16:30:52 +00:00
NAKAMURA Takumi da94a2d901 clang/utils/TableGen/ClangAttrEmitter.cpp: Fix abuse of StringRef (from getValueAsString()). 
llvm-svn: 159662
 2012-07-03 14:45:09 +00:00
Stepan Dyatkovskiy 9f3d5d6d5f IntegersSubsetMappin: cosmetic changes in diff operation. 
llvm-svn: 159661
 2012-07-03 14:29:26 +00:00
Stepan Dyatkovskiy f2127fb741 Part of r159527. Splitted into series of patches and gone with fixed PR13256: 
IntegersSubsetMapping
  Added new methods
  - add(self& RHS, SuccessorClass *S)
  - detachCase
  - removeCase
  - findSuccessor
  - getCases
  - getCaseSingleNumber
  - isOverlapped
  

llvm-svn: 159660
 2012-07-03 14:15:36 +00:00
Stepan Dyatkovskiy 8b0c97e0dd Part of r159527. Splitted into series of patches and gone with fixed PR13256: 
IntegersSubsetMapping
  - Replaced type of Items field from std::list with std::map. In neares future I'll test it with DenseMap and do the correspond replacement
    if possible.

llvm-svn: 159659
 2012-07-03 13:46:45 +00:00
Stepan Dyatkovskiy 438ba5f0bd Part of r159527. Splitted into series of patches and gone with fixed PR13256: 
Optimized diff operation: implemented the case when LHS and RHS subsets contains single numbers only.

llvm-svn: 159658
 2012-07-03 13:29:14 +00:00
Peter Collingbourne 2165cf6e36 Document the llvm.fabs intrinsic. 
llvm-svn: 159657
 2012-07-03 12:25:40 +00:00
Alexey Samsonov 716aa7e2f2 [ASan] fixup for r159652 
llvm-svn: 159655
 2012-07-03 09:06:39 +00:00
Alexey Samsonov 961276af26 [Sanitizer] Extend a symbolizer code. Implemented for Linux only. Use dl_iterate_phdr to get virtual addresses of mapped module sections. To symbolize an address from a module, map this module to memory and obtain pointers to debug info sections. Later these pointers can be passed to constructor of DWARF context-in-memory from LLVM DebugInfo lib. 
llvm-svn: 159652
 2012-07-03 08:24:14 +00:00