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121007 Commits

Author SHA1 Message Date
Douglas Gregor 3f09de6442 Introduce a module map for (some of) the compiler-supplied 
headers. The remaining headers require more sophisticated
requirements; they'll be handled separately. Part of
<rdar://problem/10710060>.

llvm-svn: 149206
 2012-01-29 20:52:14 +00:00
Fariborz Jahanian 715fdd53a6 revert r149184 
llvm-svn: 149205
 2012-01-29 20:27:13 +00:00
Douglas Gregor e212489fef Switch over to LLVM's file-level locking facility 
llvm-svn: 149204
 2012-01-29 20:15:24 +00:00
Douglas Gregor 7039e358fc Move Clang's file-level locking facility over to LLVM's support 
library, since it doesn't really have anything to do with Clang.

llvm-svn: 149203
 2012-01-29 20:15:10 +00:00
Douglas Gregor 4f39919f38 Update line numbers. Sigh 
llvm-svn: 149202
 2012-01-29 20:05:18 +00:00
Douglas Gregor 65412ec682 Also require a proper shell 
llvm-svn: 149201
 2012-01-29 20:04:46 +00:00
Douglas Gregor e1fbde55dd Ensure that we clean up after a failed module build and cope with the 
results in libclang.

llvm-svn: 149200
 2012-01-29 19:57:03 +00:00
Douglas Gregor 07f4357b44 Implement code completion support for module import declarations, e.g., 
@import <complete with module names here>

or

  @import std.<complete with submodule names here>

Addresses <rdar://problem/10710117>.

llvm-svn: 149199
 2012-01-29 18:15:03 +00:00
Douglas Gregor 279a6c3747 Rework HeaderSearch's interface for getting a module from a name and 
for getting the name of the module file, unifying the code for
searching for a module with a given name (into lookupModule()) and
separating out the mapping to a module file (into
getModuleFileName()). No functionality change.

llvm-svn: 149197
 2012-01-29 17:08:11 +00:00
Douglas Gregor dd7cae51d8 Test module lookup within a subdirectory of a normal include directory. 
llvm-svn: 149196
 2012-01-29 16:43:46 +00:00
Anton Korobeynikov d0c46550fe Cleanups for EABI standard functions 
llvm-svn: 149195
 2012-01-29 09:11:50 +00:00
Anton Korobeynikov 1b42e64280 Use base AAPCS for varargs functions even for AAPCS-VFP CC 
llvm-svn: 149194
 2012-01-29 09:06:09 +00:00
John McCall ffa2c1a48e When emitting an ARC epilogue that looks like a return of 'self', 
kill the retain from the return site.

This has the workaround nature.  It's badness all around.

llvm-svn: 149193
 2012-01-29 07:46:59 +00:00
Greg Clayton bbb032e219 Removed an incorrectly added property from SBTarget.i 
llvm-svn: 149192
 2012-01-29 07:09:30 +00:00
Greg Clayton 13d1950ae6 Added the ability to get the target triple, byte order and address byte size 
from the SBTarget and SBModule interfaces. Also added many python properties
for easier access to many things from many SB objects.

llvm-svn: 149191
 2012-01-29 06:07:39 +00:00
John McCall 6e1c012385 Get a little bit smarter about killing off the ReturnValue alloca 
in the presence of straight-line cleanups.  This is a simple but
important case, particularly for ARC.

llvm-svn: 149190
 2012-01-29 02:35:02 +00:00
Jakob Stoklund Olesen 198236edae Fix some scavenger performance issues. 
- Don't call malloc+free in the very hot forward().
- Don't call isTiedToDefOperand().
- Don't create BitVector temporaries.
- Merge DeadRegs into KillRegs.
- Eliminate the early clobber checks, they were irrelevant to scavenging.
- Remove unnecessary code from -Asserts builds.

This speeds up ARM PEI by 3.4x and overall llc -O0 codegen time by 11%.

llvm-svn: 149189
 2012-01-29 01:29:28 +00:00
Jakob Stoklund Olesen 8b1853ddef Avoid creating BitVector temporaries. 
llvm-svn: 149188
 2012-01-29 01:29:25 +00:00
Jakob Stoklund Olesen aaeaae07c4 Add a BitVector::reset(BitVector&) method. 
The alternative LHS &= ~RHS is way too slow because it creates a
temporary that calls malloc/free.

llvm-svn: 149187
 2012-01-29 01:29:22 +00:00
John McCall eed64c77d2 Complain about attempts to use 'protected' visibility on targets 
like Darwin that don't support it.  We should also complain about
invalid -fvisibility=protected, but that information doesn't seem
to exist at the most appropriate time, so I've left a FIXME behind.

llvm-svn: 149186
 2012-01-29 01:20:30 +00:00
Nick Lewycky 1b3167edec Fix typo. 
llvm-svn: 149185
 2012-01-28 23:33:44 +00:00
Fariborz Jahanian 326efeb95a objc-arc: Perform null check on receiver before sending methods which 
consume one or more of their arguments. If not done, this will cause a leak
as method will not consume the argument when receiver is null.
// rdar://10444474

llvm-svn: 149184
 2012-01-28 18:46:31 +00:00
Benjamin Kramer 1412816686 Make the __builtin_c[lt]zs builtins target independent. 
There is really no reason to have these only available on x86. It's
just __builtin_c[tl]z for shorts.

Modernize the test while at it.

llvm-svn: 149183
 2012-01-28 18:42:57 +00:00
Bob Wilson de0c335560 Add a note about a potential optimization for clz/ctz patterns for ARM 
(and other targets).

llvm-svn: 149182
 2012-01-28 18:30:07 +00:00
Bob Wilson 19a2f2bcc0 Use defined-at-zero behavior for CLZ/CTZ builtins on PowerPC. 
llvm-svn: 149181
 2012-01-28 18:02:29 +00:00
James Molloy b47489d4ef Ensure .AliasedSymbol() is called on all uses of getSymbol(). Affects ARM and MIPS ELF backends. 
Fixes PR11877

llvm-svn: 149180
 2012-01-28 15:58:32 +00:00
Benjamin Kramer 4efe5064c3 Silence GCC's -Wreturn-type warning. 
llvm-svn: 149179
 2012-01-28 15:28:41 +00:00
Benjamin Kramer 11764ab4c0 StaticAnalyzer: Move ObjC- and CXX-specific methods out of line so checkers that don't care about the language don't have to pull in all the headers. 
llvm-svn: 149178
 2012-01-28 12:06:22 +00:00
Abramo Bagnara 365591575d Added tests for template keyword presence. 
llvm-svn: 149177
 2012-01-28 11:04:22 +00:00
Rafael Espindola 004725876e Small improvement to the recursion detection logic from the previous commit. 
llvm-svn: 149175
 2012-01-28 06:22:14 +00:00
Rafael Espindola 72f5f170c6 Handle recursive variable definitions directly. This gives us better error 
messages and allows us to fix PR11865.

llvm-svn: 149174
 2012-01-28 05:57:00 +00:00
Argyrios Kyrtzidis 059cac4db4 DiagnosticsEngine::setMappingToAllDiagnostics() does not need to return bool, 
caught by Chad.

llvm-svn: 149173
 2012-01-28 04:35:52 +00:00
Kostya Serebryany 7471d1303d [asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA Takumi 
llvm-svn: 149172
 2012-01-28 04:27:16 +00:00
Jason Molenda b10ebda354 Fix shell commands that do code signing. 
llvm-svn: 149171
 2012-01-28 04:19:15 +00:00
Greg Clayton 3120dc6261 Bumping Xcode project versions for lldb-109 and debugserver-167. 
llvm-svn: 149168
 2012-01-28 02:48:10 +00:00
Greg Clayton 821ac6ddbd Added logging so we can see the field names and offsets of any structures 
for when we enable the assisted layout.

llvm-svn: 149167
 2012-01-28 02:22:27 +00:00
Greg Clayton 037f9fda5a Stop running so many individual commands when going into the script interpreter. 
All of the commands now get globbed into a single line.

lldb.target, lldb.process, lldb.thread and lldb.frame now get initialized with
empty SBTarget, SBProcess, SBThread and SBFrame objects when they don't contain
anything. 

llvm-svn: 149166
 2012-01-28 02:11:02 +00:00
Greg Clayton 9f94975ca6 Xcode codesigning is broken. Work around this by doing code signing in a shell script build phase. 
llvm-svn: 149165
 2012-01-28 01:40:47 +00:00
Bill Wendling 8c09040854 Reapply r149159 with a fix to add to a PHI node with a non-null parent. 
llvm-svn: 149164
 2012-01-28 01:17:56 +00:00
Lang Hames d78ec25e65 Remove code that adds live ranges for dead defs. It seems to be breaking things. 
llvm-svn: 149163
 2012-01-28 01:17:01 +00:00
Bill Wendling fa5ad212f8 Revert r149159 until I can fix tests. 
llvm-svn: 149162
 2012-01-28 01:10:01 +00:00
Douglas Gregor 44ba7899c4 Allow the external AST source to provide a layout without specifying 
the alignment (because it's not encoded in DWARF). In this case, make
an educated guess at the alignment.

llvm-svn: 149161
 2012-01-28 00:53:29 +00:00
Greg Clayton caab74e02d Adding the DWARF parser side for assited layout where the AST context 
will ask ExternalASTSource objects to help laying out a type. This is needed
because the DWARF typically doesn't contain alignement or packing attribute
values, and we need to be able to match up types that the compiler uses
in expressions.

llvm-svn: 149160
 2012-01-28 00:48:57 +00:00
Bill Wendling b4544544a6 Don't always create a separate block for the call to _Unwind_Resume. 
Sometimes there is only one 'resume' instruction per function. In those
situations, we don't need a separate block for the call to _Unwind_Resume. In
fact, it adds a lot of overhead to code-gen if we do that -- especially at -O0.
If we have a single 'resume' instruction, just generate the call within that
block.
<rdar://problem/10694814>

llvm-svn: 149159
 2012-01-28 00:47:18 +00:00
Howard Hinnant 9aa4684fbb Minor updates to a couple of comments. 
llvm-svn: 149158
 2012-01-28 00:34:46 +00:00
Howard Hinnant ece71ead6d Add a little paranoia for testing purposes. 
llvm-svn: 149157
 2012-01-28 00:32:31 +00:00
Howard Hinnant 805036cc83 Minor header fixups for test. 
llvm-svn: 149156
 2012-01-28 00:30:38 +00:00
Howard Hinnant 44e3703639 Silence a warning. 
llvm-svn: 149155
 2012-01-28 00:29:27 +00:00
Howard Hinnant ad048719a7 Sometimes it takes all day to write a decent comment. This is one of those times, and I'm still not quite sure I have them correct. 
llvm-svn: 149154
 2012-01-28 00:28:31 +00:00
David Greene ebb006fc3d Fix Record Name Reference 
Get the record name though the init to avoid an assert.

llvm-svn: 149153
 2012-01-28 00:03:24 +00:00