platform/upstream/llvm.git
12 years ago[analyzer] Remove CallEnterNodeBuilder and simplify ExprEngine::processCallEnter().
Ted Kremenek [Sat, 7 Jan 2012 01:03:17 +0000 (01:03 +0000)]
[analyzer] Remove CallEnterNodeBuilder and simplify ExprEngine::processCallEnter().

This removes analysis of other translation units, but that was an experimental feature anyway that we will revisit later.

llvm-svn: 147705

12 years agoMake the 'x' constraint work for AVX registers as well.
Eric Christopher [Sat, 7 Jan 2012 01:02:09 +0000 (01:02 +0000)]
Make the 'x' constraint work for AVX registers as well.

Fixes rdar://10614894

llvm-svn: 147704

12 years agoMissing raw_ostream.h breaks MSVC build.
Andrew Trick [Sat, 7 Jan 2012 00:54:28 +0000 (00:54 +0000)]
Missing raw_ostream.h breaks MSVC build.

llvm-svn: 147703

12 years agoPatch from Enrico Granata that moves SBData related functions into the SBData
Greg Clayton [Sat, 7 Jan 2012 00:45:50 +0000 (00:45 +0000)]
Patch from Enrico Granata that moves SBData related functions into the SBData
class instead of requiring a live process in order to be able to create useful
SBData objects.

llvm-svn: 147702

12 years agocomment typo
Andrew Trick [Sat, 7 Jan 2012 00:29:20 +0000 (00:29 +0000)]
comment typo

llvm-svn: 147701

12 years agoExpose isNonConstantNegative to users of ScalarEvolution.
Andrew Trick [Sat, 7 Jan 2012 00:27:31 +0000 (00:27 +0000)]
Expose isNonConstantNegative to users of ScalarEvolution.

llvm-svn: 147700

12 years agoAdd field PaddingType to ABIArgInfo which specifies the type of padding that
Akira Hatanaka [Sat, 7 Jan 2012 00:25:33 +0000 (00:25 +0000)]
Add field PaddingType to ABIArgInfo which specifies the type of padding that
is inserted before the real argument. Padding is needed to ensure the backend
reads from or writes to the correct argument slots when the original alignment
of a byval structure is unavailable due to flattening.

llvm-svn: 147699

12 years agoCorrectly enqueue successors in ExprEngine::processCallExit().
Ted Kremenek [Sat, 7 Jan 2012 00:10:49 +0000 (00:10 +0000)]
Correctly enqueue successors in ExprEngine::processCallExit().

llvm-svn: 147698

12 years ago[analyzer] Remove CallExitNodeBuilder, and have ExprEngine::processCallExit() do...
Ted Kremenek [Sat, 7 Jan 2012 00:00:59 +0000 (00:00 +0000)]
[analyzer] Remove CallExitNodeBuilder, and have ExprEngine::processCallExit() do the work manually.  This is a nice simplification.

Along the way, fix Exprengine::processCallExit() to also perform the postStmt callback for checkers for CallExprs.

llvm-svn: 147697

12 years agoAdd comment.
Chad Rosier [Fri, 6 Jan 2012 23:45:47 +0000 (23:45 +0000)]
Add comment.

llvm-svn: 147696

12 years agoAdd a comment and ensure that anyone else looking at this code doesn't start
Eric Christopher [Fri, 6 Jan 2012 23:03:37 +0000 (23:03 +0000)]
Add a comment and ensure that anyone else looking at this code doesn't start
to bleed from the eyes.

llvm-svn: 147695

12 years agoUse const vector references instead of a vector copy. Spotted by Devang.
Eric Christopher [Fri, 6 Jan 2012 23:03:34 +0000 (23:03 +0000)]
Use const vector references instead of a vector copy. Spotted by Devang.

llvm-svn: 147694

12 years agoUse -> instead of (*iter).
Eric Christopher [Fri, 6 Jan 2012 23:03:27 +0000 (23:03 +0000)]
Use -> instead of (*iter).

llvm-svn: 147693

12 years agoSuppress -Wunused-value within macros from system headers.
Matt Beaumont-Gay [Fri, 6 Jan 2012 22:43:58 +0000 (22:43 +0000)]
Suppress -Wunused-value within macros from system headers.

Along the way, move a helper function from SemaChecking.cpp to a more
accessible home in SourceManager.

llvm-svn: 147692

12 years agoobjc++: more code gen stuff for atomic property api,
Fariborz Jahanian [Fri, 6 Jan 2012 22:33:54 +0000 (22:33 +0000)]
objc++: more code gen stuff for atomic property api,
currently turned off. // rdar://6137845
Also, fixes a test case which should be nonatomic under
new API.

llvm-svn: 147691

12 years agoEnable aligned NEON spilling by default.
Jakob Stoklund Olesen [Fri, 6 Jan 2012 22:19:37 +0000 (22:19 +0000)]
Enable aligned NEON spilling by default.

Experiments show this to be a small speedup for modern ARM cores.

llvm-svn: 147689

12 years ago[analyzer] Make the entries in 'Environment' context-sensitive by making entries...
Ted Kremenek [Fri, 6 Jan 2012 22:09:28 +0000 (22:09 +0000)]
[analyzer] Make the entries in 'Environment' context-sensitive by making entries map from
(Stmt*,LocationContext*) pairs to SVals instead of Stmt* to SVals.

This is needed to support basic IPA via inlining.  Without this, we cannot tell
if a Stmt* binding is part of the current analysis scope (StackFrameContext) or
part of a parent context.

This change introduces an uglification of the use of getSVal(), and thus takes
two steps forward and one step back.  There are also potential performance implications
of enlarging the Environment.  Both can be addressed going forward by refactoring the
APIs and optimizing the internal representation of Environment.  This patch
mainly introduces the functionality upon when we want to build upon (and clean up).

llvm-svn: 147688

12 years agoDuring name lookup, use redecl_iterator to walk over the redeclaration
Douglas Gregor [Fri, 6 Jan 2012 22:05:37 +0000 (22:05 +0000)]
During name lookup, use redecl_iterator to walk over the redeclaration
chain to determine whether any declaration of the given entity is
visible, eliminating the redundant (and less efficient)
getPreviousDeclaration() implementation.

This tweak uncovered an omission in the handling of
RedeclarableTemplateDecl, where we weren't making sure to search for
additional redeclarations of a template in other module files. Things
would be cleaner if RedeclarableTemplateDecl actually used Redeclarable.

llvm-svn: 147687

12 years agoPut all IVUsers in the processed set. Allow querying IVUsers with isIVUserOrOperand.
Andrew Trick [Fri, 6 Jan 2012 21:41:55 +0000 (21:41 +0000)]
Put all IVUsers in the processed set. Allow querying IVUsers with isIVUserOrOperand.

llvm-svn: 147686

12 years agoAbort AdjustBBOffsetsAfter early when possible.
Jakob Stoklund Olesen [Fri, 6 Jan 2012 21:40:15 +0000 (21:40 +0000)]
Abort AdjustBBOffsetsAfter early when possible.

llvm-svn: 147685

12 years agolit/lit.TestRunner: Add an extra_substitutions argument for executeShTest --
Daniel Dunbar [Fri, 6 Jan 2012 21:39:06 +0000 (21:39 +0000)]
lit/lit.TestRunner: Add an extra_substitutions argument for executeShTest --
useful for test suites which want to piggyback onto the "shtest" format style.

llvm-svn: 147684

12 years agoSCEVExpander: hoistStep should check strict dominance.
Andrew Trick [Fri, 6 Jan 2012 21:23:43 +0000 (21:23 +0000)]
SCEVExpander: hoistStep should check strict dominance.

llvm-svn: 147683

12 years agoTracing to help investigate issues with SjLj spill code.
Andrew Trick [Fri, 6 Jan 2012 21:16:27 +0000 (21:16 +0000)]
Tracing to help investigate issues with SjLj spill code.

llvm-svn: 147682

12 years agoRevert r147664; it's breaking clang regression tests.
Eli Friedman [Fri, 6 Jan 2012 20:42:20 +0000 (20:42 +0000)]
Revert r147664; it's breaking clang regression tests.

llvm-svn: 147681

12 years ago__gxx_personality_v0 update. This is completely untested code. But my brain is...
Howard Hinnant [Fri, 6 Jan 2012 20:39:47 +0000 (20:39 +0000)]
__gxx_personality_v0 update.  This is completely untested code.  But my brain is scrambled and I wanted to get it checked in.  Code review from anyone who knows anything at all about personality functions would be much appreciated.  What is in here is borrowed heavily from llvm/examples/ExceptionDemo/ExceptionDemo.cpp.  There are some calls to abort() that should probably be changed to return an error code instead.  There may be encodings under readEncodedPointer that need to be implemented.  And my handling of type_info is almost a complete guess.

llvm-svn: 147680

12 years agoInitializing to false makes better sense. Thanks, David.
Chad Rosier [Fri, 6 Jan 2012 20:11:59 +0000 (20:11 +0000)]
Initializing to false makes better sense.  Thanks, David.

llvm-svn: 147679

12 years agoFix uninitialized variable warning.
Chad Rosier [Fri, 6 Jan 2012 20:05:14 +0000 (20:05 +0000)]
Fix uninitialized variable warning.

llvm-svn: 147678

12 years agoRevert r147655; it's breaking the compiler_rt build on OSX.
Eli Friedman [Fri, 6 Jan 2012 20:03:09 +0000 (20:03 +0000)]
Revert r147655; it's breaking the compiler_rt build on OSX.

llvm-svn: 147677

12 years agoFix uninitialized variable warning.
Chad Rosier [Fri, 6 Jan 2012 20:02:49 +0000 (20:02 +0000)]
Fix uninitialized variable warning.

llvm-svn: 147676

12 years agoFix uninitialized variable warning.
Chad Rosier [Fri, 6 Jan 2012 19:59:58 +0000 (19:59 +0000)]
Fix uninitialized variable warning.

llvm-svn: 147675

12 years ago[asan] do not use new/delete for the internal thread structure
Kostya Serebryany [Fri, 6 Jan 2012 19:44:11 +0000 (19:44 +0000)]
[asan] do not use new/delete for the internal thread structure

llvm-svn: 147674

12 years agoFix a leak I noticed while reviewing the accelerator table changes. Passes
Eric Christopher [Fri, 6 Jan 2012 19:35:04 +0000 (19:35 +0000)]
Fix a leak I noticed while reviewing the accelerator table changes. Passes
lldb testsuite.

rdar://10652330

llvm-svn: 147673

12 years agoThread safety analysis: added support for trylock attribute.
DeLesley Hutchins [Fri, 6 Jan 2012 19:16:50 +0000 (19:16 +0000)]
Thread safety analysis: added support for trylock attribute.

llvm-svn: 147672

12 years ago[asan] move more code into OS-specific files
Kostya Serebryany [Fri, 6 Jan 2012 19:11:09 +0000 (19:11 +0000)]
[asan] move more code into OS-specific files

llvm-svn: 147671

12 years agoAdded LocalVariableMap
DeLesley Hutchins [Fri, 6 Jan 2012 18:36:09 +0000 (18:36 +0000)]
Added LocalVariableMap

llvm-svn: 147670

12 years ago__FLT_EVAL_METHOD__ should be 1 on NetBSD/i386, since it defaults to
Joerg Sonnenberger [Fri, 6 Jan 2012 18:32:26 +0000 (18:32 +0000)]
__FLT_EVAL_METHOD__ should be 1 on NetBSD/i386, since it defaults to
"double" rounding.

llvm-svn: 147669

12 years agoFixed a bug where the DWARF location expression
Sean Callanan [Fri, 6 Jan 2012 18:24:47 +0000 (18:24 +0000)]
Fixed a bug where the DWARF location expression
parser was creating malformed resuls.  When the
location of a variable is computed by reading a
register and adding an offset, we shouldn't say
that the variable's value is located in that
register.  This was confusing the expression
parser when trying to read a variable captured
by a block.

llvm-svn: 147668

12 years ago[asan] cleanup: remove the SIGILL-related code (compiler part)
Kostya Serebryany [Fri, 6 Jan 2012 18:09:21 +0000 (18:09 +0000)]
[asan] cleanup: remove the SIGILL-related code (compiler part)

llvm-svn: 147667

12 years agoobjc++: some declarations related to atomic
Fariborz Jahanian [Fri, 6 Jan 2012 18:07:23 +0000 (18:07 +0000)]
objc++: some declarations related to atomic
properties of c++ object types with non-trivial
assignment copy. Not used yet. // rdar://6137845

llvm-svn: 147666

12 years ago[asan] cleanup: remove the SIGILL-related code (rt part)
Kostya Serebryany [Fri, 6 Jan 2012 18:02:04 +0000 (18:02 +0000)]
[asan] cleanup: remove the SIGILL-related code (rt part)

llvm-svn: 147665

12 years agoSilence GCC warnings.
Jakub Staszak [Fri, 6 Jan 2012 17:44:30 +0000 (17:44 +0000)]
Silence GCC warnings.

llvm-svn: 147664

12 years ago[asan] mention -fno-omit-frame-pointer in the docs
Kostya Serebryany [Fri, 6 Jan 2012 17:35:27 +0000 (17:35 +0000)]
[asan] mention -fno-omit-frame-pointer in the docs

llvm-svn: 147663

12 years agoWhen inferring a submodule ID during module creation, look up the
Douglas Gregor [Fri, 6 Jan 2012 17:19:32 +0000 (17:19 +0000)]
When inferring a submodule ID during module creation, look up the
include stack to find the first file that is known to be part of the
module. This copes with situations where the module map doesn't
completely specify all of the headers that are involved in the module,
which can come up when there are very strange #include_next chains
(e.g., with weird compiler/stdlib headers like stdarg.h or float.h).

llvm-svn: 147662

12 years ago[analyzer] Correct the c++-analyzer symlink
Anna Zaks [Fri, 6 Jan 2012 17:11:23 +0000 (17:11 +0000)]
[analyzer] Correct the c++-analyzer symlink

As Matt pointed out, this should be just a link to 'ccc-analyzer'.

llvm-svn: 147661

12 years agoStash Decl's TopLevelDeclInObjCContainer and ModulePrivate bits
Douglas Gregor [Fri, 6 Jan 2012 16:59:53 +0000 (16:59 +0000)]
Stash Decl's TopLevelDeclInObjCContainer and ModulePrivate bits
into the two unused lower bits of the NextDeclInContext link, dropping
the number of bits in Decl down to 32, and saving 8 bytes per
declaration on x86-64.

llvm-svn: 147660

12 years agoC++11 generalized constant expressions: implement checking and diagnostics for
Richard Smith [Fri, 6 Jan 2012 16:39:00 +0000 (16:39 +0000)]
C++11 generalized constant expressions: implement checking and diagnostics for
pointer-arithmetic-related undefined behavior and unspecified results. We
continue to fold such values, but now notice they aren't constant expressions.

llvm-svn: 147659

12 years agoIntroduce a "Hidden" bit into Decl, to track whether that declaration
Douglas Gregor [Fri, 6 Jan 2012 16:22:39 +0000 (16:22 +0000)]
Introduce a "Hidden" bit into Decl, to track whether that declaration
is hidden from name lookup. The previous hack of tweaking the
ModulePrivate bit when loading a declaration from a hidden submodule
was brittle.

Note that we now have 34 bits in Decl. I'll fix that next.

llvm-svn: 147658

12 years agoTeach DeclContext deserialization to pay attention to endianness, from
Douglas Gregor [Fri, 6 Jan 2012 16:09:53 +0000 (16:09 +0000)]
Teach DeclContext deserialization to pay attention to endianness, from
David Fang and Takumi Nakamura. Fixes many PCH failures on PowerPC.

llvm-svn: 147657

12 years agoIf we are compiling with -fno-builtin then don't do constant folding of
David Chisnall [Fri, 6 Jan 2012 12:20:19 +0000 (12:20 +0000)]
If we are compiling with -fno-builtin then don't do constant folding of
builtins.

This fixes PR11711.

llvm-svn: 147655

12 years agoFix typo in string
Eli Bendersky [Fri, 6 Jan 2012 07:49:17 +0000 (07:49 +0000)]
Fix typo in string

llvm-svn: 147654

12 years agoFix the mangling of class template arguments in a particular
John McCall [Fri, 6 Jan 2012 05:06:35 +0000 (05:06 +0000)]
Fix the mangling of class template arguments in a particular
dependent case.  Thanks to Jason Merrill for pointing this out.

llvm-svn: 147653

12 years agoImprovements to the uninitialized variable warning: Check if the constructor
Rafael Espindola [Fri, 6 Jan 2012 04:54:01 +0000 (04:54 +0000)]
Improvements to the uninitialized variable warning: Check if the constructor
call is elidable or if the constructor is trivial instead of checking if it
is user declared.

llvm-svn: 147652

12 years agoAs part of the ongoing work in finalizing the accelerator tables, extend
Eric Christopher [Fri, 6 Jan 2012 04:35:23 +0000 (04:35 +0000)]
As part of the ongoing work in finalizing the accelerator tables, extend
the debug type accelerator tables to contain the tag and a flag
stating whether or not a compound type is a complete type.

rdar://10652330

llvm-svn: 147651

12 years agoMore lambda work. Fixes a minor bug Richard pointed out, makes lookup for lambda...
Eli Friedman [Fri, 6 Jan 2012 03:05:34 +0000 (03:05 +0000)]
More lambda work.  Fixes a minor bug Richard pointed out, makes lookup for lambda parameters work correctly, recording more information into the AST.

llvm-svn: 147650

12 years agoDavid Blaikie and Chandler would like us to diagnose
Richard Smith [Fri, 6 Jan 2012 02:30:50 +0000 (02:30 +0000)]
David Blaikie and Chandler would like us to diagnose

  int f();

in function scopes under -Wvexing-parse, so now we do.

llvm-svn: 147649

12 years ago[analyzer] c++-analyzer should be a symlink.
Anna Zaks [Fri, 6 Jan 2012 02:19:07 +0000 (02:19 +0000)]
[analyzer] c++-analyzer should be a symlink.

This fixes a regression from r147643.

llvm-svn: 147648

12 years ago[asan] move more stuff to OS-specific files
Kostya Serebryany [Fri, 6 Jan 2012 02:12:25 +0000 (02:12 +0000)]
[asan] move more stuff to OS-specific files

llvm-svn: 147647

12 years ago<rdar://problem/10652336>
Greg Clayton [Fri, 6 Jan 2012 02:01:06 +0000 (02:01 +0000)]
<rdar://problem/10652336>

Fixed a crasher when trying to load an expression prefix file:

% touch /tmp/carp.txt
% xcrun lldb
(lldb) settings set target.expr-prefix /tmp/carp.txt
Segmentation fault

llvm-svn: 147646

12 years ago[analyzer] Update the docs to reflect that gcc is not the only default
Anna Zaks [Fri, 6 Jan 2012 01:54:08 +0000 (01:54 +0000)]
[analyzer] Update the docs to reflect that gcc is not the only default
compiler option.

llvm-svn: 147645

12 years ago[analyzer] scan-build: If we are on MacOS, use clang as the default
Anna Zaks [Fri, 6 Jan 2012 01:54:05 +0000 (01:54 +0000)]
[analyzer] scan-build: If we are on MacOS, use clang as the default
compiler.

llvm-svn: 147644

12 years ago[analyzer] Skip --serialize-diagnostic when running scan-build.
Anna Zaks [Fri, 6 Jan 2012 01:54:02 +0000 (01:54 +0000)]
[analyzer] Skip --serialize-diagnostic when running scan-build.

Otherwise, the analyzer will try to analyze the serialized diagnostic
file as if it were a source file.

llvm-svn: 147643

12 years agoTweak to r147599 for PR10828: Move the check from the parser into sema, and use
Richard Smith [Fri, 6 Jan 2012 01:31:20 +0000 (01:31 +0000)]
Tweak to r147599 for PR10828: Move the check from the parser into sema, and use
the Semantic Powers to only warn on class types (or dependent types), where the
constructor or destructor could do something interesting.

llvm-svn: 147642

12 years agoMinor refactoring of sentinel warning on blocks. Add a test for this warning.
Eli Friedman [Fri, 6 Jan 2012 01:23:10 +0000 (01:23 +0000)]
Minor refactoring of sentinel warning on blocks.  Add a test for this warning.

llvm-svn: 147641

12 years ago<rdar://problem/10649734>
Greg Clayton [Fri, 6 Jan 2012 00:47:38 +0000 (00:47 +0000)]
<rdar://problem/10649734>

Fixed an issue where the python interpreter could deadlock LLDB.

llvm-svn: 147640

12 years agohttp://llvm.org/bugs/show_bug.cgi?id=11619
Johnny Chen [Fri, 6 Jan 2012 00:46:12 +0000 (00:46 +0000)]
http://llvm.org/bugs/show_bug.cgi?id=11619
Allow creating SBData values from arrays or primitives in Python

Patch submitted by Enrico Granata.

llvm-svn: 147639

12 years ago<rdar://problem/10647191>
Greg Clayton [Fri, 6 Jan 2012 00:43:54 +0000 (00:43 +0000)]
<rdar://problem/10647191>

Removed an extra call to close that was causing problems and also
now use the Host::File class to open the file.

llvm-svn: 147638

12 years agohttp://llvm.org/bugs/show_bug.cgi?id=11618
Johnny Chen [Fri, 6 Jan 2012 00:35:38 +0000 (00:35 +0000)]
http://llvm.org/bugs/show_bug.cgi?id=11618
lldb::SBValue::AddressOf does not work on dereferenced registers in synthetic children provider

Patch submitted by Enrico Granata.

llvm-svn: 147637

12 years agoobjc++: sythesize a helper function to be used
Fariborz Jahanian [Fri, 6 Jan 2012 00:29:35 +0000 (00:29 +0000)]
objc++: sythesize a helper function to be used
for copying atomic properties of c++ objects
with non-trivial copy assignment in setters/getters.
Not yet used. // rdar://6137845

llvm-svn: 147636

12 years agoFix a memory leak of PragmaNamespaces, rdar://10611796.
Argyrios Kyrtzidis [Fri, 6 Jan 2012 00:22:09 +0000 (00:22 +0000)]
Fix a memory leak of PragmaNamespaces, rdar://10611796.

llvm-svn: 147635

12 years agoWe finalized on the new .apple_types accelerator table format where we don't
Greg Clayton [Fri, 6 Jan 2012 00:17:16 +0000 (00:17 +0000)]
We finalized on the new .apple_types accelerator table format where we don't
emit fully qualified names, so now we make sure the DW_TAG values match and
still lookup using the basename.

llvm-svn: 147634

12 years agohttp://llvm.org/bugs/show_bug.cgi?id=11715
Johnny Chen [Fri, 6 Jan 2012 00:05:01 +0000 (00:05 +0000)]
http://llvm.org/bugs/show_bug.cgi?id=11715
comma at end of enumerator list

llvm-svn: 147633

12 years agoFix build on minix. Patch by Ben Gras!
Rafael Espindola [Thu, 5 Jan 2012 23:59:42 +0000 (23:59 +0000)]
Fix build on minix. Patch by Ben Gras!

llvm-svn: 147632

12 years agoAddress Richard's review comments on r147561 (Evaluate support for address-of-label...
Eli Friedman [Thu, 5 Jan 2012 23:59:40 +0000 (23:59 +0000)]
Address Richard's review comments on r147561 (Evaluate support for address-of-label differences).

llvm-svn: 147631

12 years agoFix SpeculativelyExecuteBB to either speculate all or none of the phis
Dan Gohman [Thu, 5 Jan 2012 23:58:56 +0000 (23:58 +0000)]
Fix SpeculativelyExecuteBB to either speculate all or none of the phis
present in the bottom of the CFG triangle, as the transformation isn't
ever valuable if the branch can't be eliminated.

Also, unify some heuristics between SimplifyCFG's multiple
if-converters, for consistency.

This fixes rdar://10627242.

llvm-svn: 147630

12 years agoFix indentation.
Johnny Chen [Thu, 5 Jan 2012 23:51:37 +0000 (23:51 +0000)]
Fix indentation.

llvm-svn: 147629

12 years ago[asan] use dl_iterate_phdr for pre-symbolization on linux instead of parsing /proc...
Kostya Serebryany [Thu, 5 Jan 2012 23:50:34 +0000 (23:50 +0000)]
[asan] use dl_iterate_phdr for pre-symbolization on linux instead of parsing /proc/self/maps

llvm-svn: 147628

12 years agoAdd back the file I wrongly deleted in r147613.
Johnny Chen [Thu, 5 Jan 2012 23:50:14 +0000 (23:50 +0000)]
Add back the file I wrongly deleted in r147613.

llvm-svn: 147627

12 years agoAlways allocate an extra 8 bytes for a deserialized declaration, since
Douglas Gregor [Thu, 5 Jan 2012 23:49:36 +0000 (23:49 +0000)]
Always allocate an extra 8 bytes for a deserialized declaration, since
some code in Clang expects 8-byte alignment of declarations.

llvm-svn: 147626

12 years agoPR11705, part 2: globalopt shouldn't put inttoptr/ptrtoint operations into global...
Eli Friedman [Thu, 5 Jan 2012 23:03:32 +0000 (23:03 +0000)]
PR11705, part 2: globalopt shouldn't put inttoptr/ptrtoint operations into global initializers if there's an implied extension or truncation.

llvm-svn: 147625

12 years agoLink symbols with different visibilities according to the rules in the
Rafael Espindola [Thu, 5 Jan 2012 23:02:01 +0000 (23:02 +0000)]
Link symbols with different visibilities according to the rules in the
System V Application Binary Interface. This lets us use
-fvisibility-inlines-hidden with LTO.
Fixes PR11697.

llvm-svn: 147624

12 years agoRevert r56315. When the instruction to speculate is a load, this
Dan Gohman [Thu, 5 Jan 2012 22:54:35 +0000 (22:54 +0000)]
Revert r56315. When the instruction to speculate is a load, this
code can incorrectly move the load across a store. This never
happens in practice today, but only because the current
heuristics accidentally preclude it.

llvm-svn: 147623

12 years agoAfter further discussion, rename attribute 'objc_disable_automatic_synthesis' to...
Ted Kremenek [Thu, 5 Jan 2012 22:47:47 +0000 (22:47 +0000)]
After further discussion, rename attribute 'objc_disable_automatic_synthesis' to 'objc_requires_property_definitions'.

llvm-svn: 147622

12 years agoFixed a problem in our local Clang's method for
Sean Callanan [Thu, 5 Jan 2012 22:35:40 +0000 (22:35 +0000)]
Fixed a problem in our local Clang's method for
performing Objective-C instance variable lookup.
Previously, it only completed the derived class
that was the beginning of the search.  Now, as
it walks up the superclass chain looking for the
ivar, it completes each superclass in turn.

Also added a testcase covering this issue.

llvm-svn: 147621

12 years agoTweak the fix to PR8977: an empty expression-list represents value initialization...
Eli Friedman [Thu, 5 Jan 2012 22:34:08 +0000 (22:34 +0000)]
Tweak the fix to PR8977: an empty expression-list represents value initialization, not default initialization.  Fixes PR11712.

llvm-svn: 147620

12 years agoDon't seed the ASTWriter's declaration -> ID mapping with the IDs of
Douglas Gregor [Thu, 5 Jan 2012 22:33:30 +0000 (22:33 +0000)]
Don't seed the ASTWriter's declaration -> ID mapping with the IDs of
each deserialized declaration, since that information is already
available in each declaration.

llvm-svn: 147619

12 years agoKill ObjectCodeEmitter and BinaryObject, they were unused and superseded by MC.
Benjamin Kramer [Thu, 5 Jan 2012 22:31:37 +0000 (22:31 +0000)]
Kill ObjectCodeEmitter and BinaryObject, they were unused and superseded by MC.

llvm-svn: 147618

12 years agoWhen we deserialize a declaration from a module file, allocate extra
Douglas Gregor [Thu, 5 Jan 2012 22:27:05 +0000 (22:27 +0000)]
When we deserialize a declaration from a module file, allocate extra
storage for the global declaration ID. Declarations that are parsed
(rather than deserialized) are unaffected, so the number of
declarations that pay this cost tends to be relatively small (since
relatively few declarations are ever deserialized).

This replaces a largish DenseMap within the AST reader. It's not
strictly a win in terms of memory use---not every declaration was
added to that DenseMap in the first place---but it's cleaner to have
this information available for every deserialized declaration, so that
future clients can rely on it.

llvm-svn: 147617

12 years agoSCCCaptured is trivially false on entry to this loop and not modified inside it.
Nick Lewycky [Thu, 5 Jan 2012 22:21:45 +0000 (22:21 +0000)]
SCCCaptured is trivially false on entry to this loop and not modified inside it.
Eliminate the dead test for it on each loop iteration. No functionality change.

llvm-svn: 147616

12 years agoRemove the old ELF writer.
Rafael Espindola [Thu, 5 Jan 2012 22:07:43 +0000 (22:07 +0000)]
Remove the old ELF writer.

llvm-svn: 147615

12 years agoWhen creating declarations that are deserialized from an module file,
Douglas Gregor [Thu, 5 Jan 2012 21:55:30 +0000 (21:55 +0000)]
When creating declarations that are deserialized from an module file,
go through a central allocation routine
Decl::AllocateDeserializedDecl(). No actual functionality change (yet).

llvm-svn: 147614

12 years agoFix incomplete commit of http://llvm.org/viewvc/llvm-project?rev=147609&view=rev:
Johnny Chen [Thu, 5 Jan 2012 21:48:15 +0000 (21:48 +0000)]
Fix incomplete commit of llvm.org/viewvc/llvm-project?rev=147609&view=rev:

This patch combines common code from Linux and FreeBSD into
a new POSIX platform.  It also contains fixes for 64bit FreeBSD.

The patch is based on changes by Mark Peek <mp@FreeBSD.org> and
"K. Macy" <kmacy@freebsd.org> in their github repo located at
https://github.com/fbsd/lldb.

llvm-svn: 147613

12 years agoWhen loading an AST file, set SourceManager::MainFileID to the main file of the AST...
Argyrios Kyrtzidis [Thu, 5 Jan 2012 21:36:25 +0000 (21:36 +0000)]
When loading an AST file, set SourceManager::MainFileID to the main file of the AST file,
as suggested by Tom Honermann.

llvm-svn: 147612

12 years agoA small re-factored JIT/MCJIT::getPointerToNamedFunction(), so it could be called...
Danil Malyshev [Thu, 5 Jan 2012 21:16:14 +0000 (21:16 +0000)]
A small re-factored JIT/MCJIT::getPointerToNamedFunction(), so it could be called with the base class.

llvm-svn: 147610

12 years agoThis patch combines common code from Linux and FreeBSD into
Johnny Chen [Thu, 5 Jan 2012 19:17:38 +0000 (19:17 +0000)]
This patch combines common code from Linux and FreeBSD into
a new POSIX platform.  It also contains fixes for 64bit FreeBSD.

The patch is based on changes by Mark Peek <mp@FreeBSD.org> and
"K. Macy" <kmacy@freebsd.org> in their github repo located at
https://github.com/fbsd/lldb.

llvm-svn: 147609

12 years agorevert r147542 after comments from Joerg Sonnenberger
Sebastian Pop [Thu, 5 Jan 2012 18:28:46 +0000 (18:28 +0000)]
revert r147542 after comments from Joerg Sonnenberger

llvm-svn: 147608

12 years agoallow clients of SmallSet to specify their own comparison function for the set.
Chris Lattner [Thu, 5 Jan 2012 17:35:07 +0000 (17:35 +0000)]
allow clients of SmallSet to specify their own comparison function for the set.
Patch by Stepan Dyatkovskiy!

llvm-svn: 147607

12 years agoRemove an unused variable.
Chandler Carruth [Thu, 5 Jan 2012 11:25:47 +0000 (11:25 +0000)]
Remove an unused variable.

llvm-svn: 147605

12 years agoPrevent a DAGCombine from firing where there are two uses of
Chandler Carruth [Thu, 5 Jan 2012 11:05:55 +0000 (11:05 +0000)]
Prevent a DAGCombine from firing where there are two uses of
a combined-away node and the result of the combine isn't substantially
smaller than the input, it's just canonicalized. This is the first part
of a significant (7%) performance gain for Snappy's hot decompression
loop.

llvm-svn: 147604

12 years agoCleanup and FileCheck-ize a test.
Chandler Carruth [Thu, 5 Jan 2012 11:05:47 +0000 (11:05 +0000)]
Cleanup and FileCheck-ize a test.

llvm-svn: 147603

12 years agoMark scalar FMA4 instructions as ignoring the VEX.L bit.
Craig Topper [Thu, 5 Jan 2012 08:56:10 +0000 (08:56 +0000)]
Mark scalar FMA4 instructions as ignoring the VEX.L bit.

llvm-svn: 147602