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120423 Commits

Author SHA1 Message Date
Chad Rosier 1b9c5f1188 Fix 80-column violation. 
llvm-svn: 148162
 2012-01-14 00:30:11 +00:00
Rafael Espindola 78a6477b28 Add a test showing how the Leh_func_endN symbol is used. 
llvm-svn: 148161
 2012-01-14 00:12:59 +00:00
Argyrios Kyrtzidis fb7d1455cd [libclang] Add CXIndexOpt_IndexFunctionLocalSymbols indexing option to indicate 
that one wants indexing callbacks for function-local symbols as well.

llvm-svn: 148160
 2012-01-14 00:11:49 +00:00
Douglas Gregor 87ea58f5cd (Implicit) parameters deserialized as part of a function type must not 
get added to the identifier chains as part of deserialization, because
they should not be visible to name lookup.

llvm-svn: 148159
 2012-01-13 23:49:34 +00:00
Eli Friedman c09e0557a5 Progress towards making isUsed() reflect whether a declaration is odr-used; don't set isUsed for local variables which are referenced in unevaluated contexts. Make other code use isReferenced() (which basically indicates that a declaration isn't dead) where appropriate. 
I was forced to change test/SemaCXX/linkage.cpp because we aren't actually modeling extern "C" in the AST the way that testcase expects; we were not printing a warning only because we skipped the relevant check.  Someone who actually understands the semantics here should fix that.

llvm-svn: 148158
 2012-01-13 23:41:25 +00:00
Eli Friedman 1c29e7297a Fix a silly mistake in ComplexExprEvaluator::ZeroInitialization. <rdar://problem/10691092>. 
llvm-svn: 148157
 2012-01-13 23:34:56 +00:00
Rafael Espindola a693128778 Remove previous commit while I debug the bot failures. 
llvm-svn: 148156
 2012-01-13 23:28:50 +00:00
Kaelyn Uhrain 637b5b3235 Convert SemaTemplate*.cpp to pass a callback object to CorrectTypo. 
The change to SemaTemplateVariadic.cpp improves the typo correction
results in certain situations, while the change to SemaTemplate.cpp
does not change existing behavior.

llvm-svn: 148155
 2012-01-13 23:10:36 +00:00
Douglas Gregor 81bd038623 Make sure to consider non-DeclContext scopes properly when finding 
multiple name lookup results in C/Objective-C. Fixes a regression a
caused in r147533, found by Enea Zaffanella!

llvm-svn: 148154
 2012-01-13 23:06:53 +00:00
Howard Hinnant fcf732c7a6 A bug fix involving the updating of path_dst_ptr_to_static_ptr. Some minor code rearrangement optimizations (putting most likely 'if' first in an if-else series. And some major optimizations which involve stopping the search prior to an exhaustive walk over the entire tree. Some of these stops are because an ambiguity is detected earlier. And some of the short circuiting is due to the information from the bits __diamond_shaped_mask and __non_diamond_repeat_mask. The stress test checked in last night is now about 28% faster for the B<Width/2, Depth> -O3 case. I'm still playing with some more optimization possibilities but I'm not sure they will play out. 
llvm-svn: 148153
 2012-01-13 23:06:03 +00:00
Sean Callanan cbbe3ac4a9 I made two major improvements to the way the 
master AST importer imports types.

- First, before importing the definition of a
  Decl from its source, notify the underlying
  importer of the source->destination mapping.
  Especially for anonymous strucutres that are
  otherwise hard to unique in the target AST
  context, this hint is very helpful.

- When deporting a type or Decl from one
  ASTContext to another (deporting occurs in
  the case of moving result types from the
  parser's AST context to the result AST
  context), don't forget their origin if the
  origin is the original debug information.

llvm-svn: 148152
 2012-01-13 22:55:55 +00:00
Jakob Stoklund Olesen 35545421c8 Use RegisterTuples to generate pseudo-registers. 
The QQ and QQQQ registers are not 'real', they are pseudo-registers used
to model some vld and vst instructions.

This makes the call clobber lists longer, but I intend to get rid of
those soon.

llvm-svn: 148151
 2012-01-13 22:55:42 +00:00
Rafael Espindola cef42c30a7 Remove label that is not used anymore. 
llvm-svn: 148150
 2012-01-13 22:41:58 +00:00
Eli Friedman d476fdc392 Speculatively revert r148132+r148133 to try and fix a buildbot failure. 
llvm-svn: 148149
 2012-01-13 22:34:39 +00:00
Douglas Gregor 3a5999bc1c When inferring a module for a framework, first determine whether that 
framework is actually a subframework within a top-level framework. If
so, only infer a module for the top-level framework and then dig out
the appropriate submodule.

This helps us cope with an amusing subframeworks anti-pattern, where
one uses -F <framework>/Frameworks to get direct include access to the
subframeworks of a framework (which otherwise would not be
permitted).

llvm-svn: 148148
 2012-01-13 22:31:52 +00:00
Jakob Stoklund Olesen 071c69cd7c Skip the NAME field when forming tuples. 
llvm-svn: 148147
 2012-01-13 22:23:50 +00:00
Sean Callanan ba5be17e7d Only create new ASTImporters on demand, not 
proactively.

llvm-svn: 148146
 2012-01-13 22:19:53 +00:00
Sean Callanan 7282e2acf4 If the name of a struct or union is NULL in the 
debug info, call it anonymous.  This isn't
perfect, because Clang actually considers the
following struct not to be anonymous:
–
struct {
  int x;
  int y;
} g_foo;
-
but DWARF doesn't make the distinction.

llvm-svn: 148145
 2012-01-13 22:10:18 +00:00
Sean Callanan a6e61a7820 Fixed some logging in the AST source and added 
more information.

llvm-svn: 148144
 2012-01-13 22:05:55 +00:00
Andrew Trick f35c84032d Remove pointless mode line in .cpp file. 
llvm-svn: 148143
 2012-01-13 22:04:16 +00:00
Anna Zaks 201d489cb8 Move identification of memory setting and copying functions (memset, 
memcmp, strncmp,..) out of Sema and into FunctionDecl so that the logic
could be reused in the analyzer.

llvm-svn: 148142
 2012-01-13 21:52:01 +00:00
Eli Friedman d749c6bf2e Revert r148138; it's causing test failures. 
llvm-svn: 148141
 2012-01-13 21:33:06 +00:00
Kaelyn Uhrain 3658e6a636 Convert SemaExprMember.cpp to pass a callback object to CorrectTypo, 
improving the typo correction results in certain situations.

This is also the first typo correction callback conversion to affect
an existing unit test. :)

llvm-svn: 148140
 2012-01-13 21:28:55 +00:00
Sebastian Pop 86500280c6 remove assertions in the Hexagon backend specific clang driver 
Patch from Jyotsna Verma:

I have made the changes to remove assertions in the Hexagon backend
specific clang driver. Instead of asserting on invalid arch name, it has
been modified to use the default value.

I have changed the implementation of the CPU flag validation for the
Hexagon backend. Earlier, the clang driver performed the check and
asserted on invalid inputs. In the new implementation, the driver passes
the last CPU flag (or sets to "v4" if not specified) to the compiler (and
also to the assembler and linker which perform their own check) instead of
asserting on incorrect values. This patch changes the setCPU function for
the Hexagon backend in clang/lib/Basic/Targets.cpp which causes the
compiler to error out on incorrect CPU flag values.

llvm-svn: 148139
 2012-01-13 20:37:10 +00:00
Sebastian Pop 9a8d528ddf rename -ccc-host-triple into -target 
llvm-svn: 148138
 2012-01-13 20:37:02 +00:00
Sebastian Pop 9d66d9e4b2 rename DefaultHostTriple into DefaultTargetTriple 
llvm-svn: 148137
 2012-01-13 20:36:46 +00:00
Duncan Sands df9d781510 Try to clarify a little how exception handling works. 
llvm-svn: 148136
 2012-01-13 19:59:16 +00:00
Richard Smith d7d5790cb6 Refactor for clarity. 
llvm-svn: 148135
 2012-01-13 19:34:55 +00:00
Devang Patel 7066d28043 Revert r148131, it was committed before it was ready. 
llvm-svn: 148134
 2012-01-13 19:28:58 +00:00
Stepan Dyatkovskiy 0a920fa210 Cosmetic patch for r148132. 
llvm-svn: 148133
 2012-01-13 19:27:22 +00:00
Stepan Dyatkovskiy cbcbdb237f LoopUnswitch: All helper data that is collected during loop-unswitch iterations was moved to separated class (LUAnalysisCache). 
llvm-svn: 148132
 2012-01-13 19:13:54 +00:00
Devang Patel 7ecdc6d4f5 Refactor. 
llvm-svn: 148131
 2012-01-13 19:12:18 +00:00
Devang Patel 5d85276e30 Add new test. 
llvm-svn: 148128
 2012-01-13 18:45:31 +00:00
Pete Cooper 97aafd5f18 Fixed comment. Thanks Duncan! 
llvm-svn: 148123
 2012-01-13 17:52:01 +00:00
Douglas Gregor ccff301bfe Reinstate test case accidentally reverted by r148028 
llvm-svn: 148118
 2012-01-13 16:56:26 +00:00
Douglas Gregor 09a22f071b Don't infer a submodule for a framework's private header, at least for now. 
llvm-svn: 148117
 2012-01-13 16:54:27 +00:00
Alexander Potapenko bd53f597de This patch adds two methods, __asan_allocate_island and __asan_deallocate_island 
and switches our interceptors to using them instead of the default
vm_allocate-based approach used by mach_override_ptr.

To simplify the code, a fixed memory mapping is used for the allocation pool --
note that we can't mmap an arbitrary chunk of memory, because the shadow memory hasn't been mapped yet
(for the reasons discussed in http://code.google.com/p/address-sanitizer/issues/detail?id=24, we cannot map the shadow earlier)

The patch drops the program startup time from several second to half a second,
which speeds up the execution of ASan tests noticeably.
Because of the virtual memory size occupied by the programs it's hard
to speed up the shutdown time, which would've also helped the tests.

llvm-svn: 148116
 2012-01-13 16:13:58 +00:00
Alexander Potapenko 9301db4baa Add __asan_mach_override_ptr_custom, which allows to inject a custom memory allocator into mach_override_ptr(). 
llvm-svn: 148115
 2012-01-13 15:31:37 +00:00
Alexander Potapenko 553c208d22 This patch moves the code reading /proc/self/environ into AsanGetEnv 
in asan_linux.cc, because /proc is unavailable on Mac.
Instead the Mac version of AsanGetEnv iterates over the array of
environment variables obtained from _NSGetEnviron()

llvm-svn: 148114
 2012-01-13 12:59:48 +00:00
Evgeniy Stepanov 2ca1aa5a44 Remove --hash-style from link command on Android. 
Gnu hash is not supported by the Android loader.

llvm-svn: 148113
 2012-01-13 09:30:38 +00:00
Craig Topper e52d86a740 Convert SHUFPD with the same register for both sources to PSHUFD if it would prevent a register copy. Similar to SHUFPS, but requires the mask to be converted. 
llvm-svn: 148112
 2012-01-13 09:21:41 +00:00
Greg Clayton 13d284b284 Updated HTML with info for ${function.name-with-args} 
llvm-svn: 148111
 2012-01-13 08:41:20 +00:00
Greg Clayton 6d3dbf5161 Added a new thread and frame format that can be used to display a function 
name + arguments when the data is available. It seems to work really well, 
but some more testing is needed before we make this on by default.

The new function format name is:

 ${function.name-with-args}

To see how to use these formats see the website:

    http://lldb.llvm.org/formats.html

Here is a sample backtrace of debugging LLDB with LLDB using this new format
value:

(lldb) thread backtrace all
* thread #1: tid = 0x2203, 0x00007fff88a17bca libsystem_kernel.dylib __psynch_cvwait + 10, stop reason = signal SIGINT, name = <lldb.driver.main-thread>, queue = com.apple.main-thread
    frame #0: 0x00007fff88a17bca libsystem_kernel.dylib __psynch_cvwait + 10
    frame #1: 0x00007fff884ae274 libsystem_c.dylib _pthread_cond_wait + 840
    frame #2: 0x00000001010778ea LLDB lldb_private::Condition::Wait(this=0x0000000104846770, mutex=0x0000000104846730, abstime=0x0000000000000000, timed_out=0x00007fff5fbfdea7) + 138 at Condition.cpp:92
    frame #3: 0x0000000101244c21 LLDB lldb_private::Predicate<bool>::WaitForValueEqualTo(this=0x0000000104846728, value=true, abstime=0x0000000000000000, timed_out=0x00007fff5fbfdea7) + 209 at Predicate.h:317
    frame #4: 0x0000000100f6eeb2 LLDB lldb_private::Listener::WaitForEventsInternal(this=0x0000000104846660, timeout=0x0000000000000000, broadcaster=0x0000000000000000, broadcaster_names=0x0000000000000000, num_broadcaster_names=0x00000000, event_type_mask=0x00000000, event_sp=0x00007fff5fbfe030) + 386 at Listener.cpp:388
    frame #5: 0x0000000100f6f231 LLDB lldb_private::Listener::WaitForEvent(this=0x0000000104846660, timeout=0x0000000000000000, event_sp=0x00007fff5fbfe030) + 81 at Listener.cpp:436
    frame #6: 0x0000000100098dcd LLDB lldb::SBListener::WaitForEvent(this=0x00007fff5fbff0f0, timeout_secs=0xffffffff, event=0x00007fff5fbfe430) + 685 at SBListener.cpp:181
    frame #7: 0x000000010000628c lldb Driver::MainLoop(this=0x00007fff5fbff620) + 5244 at Driver.cpp:1325
    frame #8: 0x0000000100006ca3 lldb main(argc=1, argv=0x00007fff5fbff758, envp=0x00007fff5fbff768) + 419 at Driver.cpp:1460
    frame #9: 0x0000000100000d54 lldb start + 52

  thread #3: tid = 0x2703, 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10, name = <lldb.comm.debugger.input>
    frame #0: 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10
    frame #1: 0x0000000100f3f072 LLDB lldb_private::ConnectionFileDescriptor::BytesAvailable(this=0x000000010524d040, timeout_usec=0x004c4b40, error_ptr=0x0000000105640a18) + 722 at ConnectionFileDescriptor.cpp:542
    frame #2: 0x0000000100f3e6dd LLDB lldb_private::ConnectionFileDescriptor::Read(this=0x000000010524d040, dst=0x0000000105640a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x0000000105640a14, error_ptr=0x0000000105640a18) + 301 at ConnectionFileDescriptor.cpp:273
    frame #3: 0x0000000100f3b8f7 LLDB lldb_private::Communication::ReadFromConnection(this=0x0000000104846270, dst=0x0000000105640a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x0000000105640a14, error_ptr=0x0000000105640a18) + 167 at Communication.cpp:317
    frame #4: 0x0000000100f3b197 LLDB lldb_private::Communication::ReadThread(p=0x0000000104846270) + 327 at Communication.cpp:344
    frame #5: 0x0000000101078923 LLDB ThreadCreateTrampoline(arg=0x00000001045f6650) + 227 at Host.cpp:549
    frame #6: 0x00007fff884aa8bf libsystem_c.dylib _pthread_start + 335
    frame #7: 0x00007fff884adb75 libsystem_c.dylib thread_start + 13

  thread #4: tid = 0x2803, 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10, name = <lldb.comm.driver.editline>
    frame #0: 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10
    frame #1: 0x0000000100f3f072 LLDB lldb_private::ConnectionFileDescriptor::BytesAvailable(this=0x0000000105700370, timeout_usec=0x004c4b40, error_ptr=0x00000001056c3a18) + 722 at ConnectionFileDescriptor.cpp:542
    frame #2: 0x0000000100f3e6dd LLDB lldb_private::ConnectionFileDescriptor::Read(this=0x0000000105700370, dst=0x00000001056c3a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x00000001056c3a14, error_ptr=0x00000001056c3a18) + 301 at ConnectionFileDescriptor.cpp:273
    frame #3: 0x0000000100f3b8f7 LLDB lldb_private::Communication::ReadFromConnection(this=0x0000000105700000, dst=0x00000001056c3a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x00000001056c3a14, error_ptr=0x00000001056c3a18) + 167 at Communication.cpp:317
    frame #4: 0x0000000100f3b197 LLDB lldb_private::Communication::ReadThread(p=0x0000000105700000) + 327 at Communication.cpp:344
    frame #5: 0x0000000101078923 LLDB ThreadCreateTrampoline(arg=0x0000000105700430) + 227 at Host.cpp:549
    frame #6: 0x00007fff884aa8bf libsystem_c.dylib _pthread_start + 335
    frame #7: 0x00007fff884adb75 libsystem_c.dylib thread_start + 13

  thread #5: tid = 0x2903, 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10, name = <lldb.comm.driver.editline_output>
    frame #0: 0x00007fff88a17df2 libsystem_kernel.dylib select$DARWIN_EXTSN + 10
    frame #1: 0x0000000100f3f072 LLDB lldb_private::ConnectionFileDescriptor::BytesAvailable(this=0x00000001057178f0, timeout_usec=0x004c4b40, error_ptr=0x0000000105980a18) + 722 at ConnectionFileDescriptor.cpp:542
    frame #2: 0x0000000100f3e6dd LLDB lldb_private::ConnectionFileDescriptor::Read(this=0x00000001057178f0, dst=0x0000000105980a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x0000000105980a14, error_ptr=0x0000000105980a18) + 301 at ConnectionFileDescriptor.cpp:273
    frame #3: 0x0000000100f3b8f7 LLDB lldb_private::Communication::ReadFromConnection(this=0x0000000105717580, dst=0x0000000105980a60, dst_len=1024, timeout_usec=0x004c4b40, status=0x0000000105980a14, error_ptr=0x0000000105980a18) + 167 at Communication.cpp:317
    frame #4: 0x0000000100f3b197 LLDB lldb_private::Communication::ReadThread(p=0x0000000105717580) + 327 at Communication.cpp:344
    frame #5: 0x0000000101078923 LLDB ThreadCreateTrampoline(arg=0x00000001057179b0) + 227 at Host.cpp:549
    frame #6: 0x00007fff884aa8bf libsystem_c.dylib _pthread_start + 335
    frame #7: 0x00007fff884adb75 libsystem_c.dylib thread_start + 13

  thread #6: tid = 0x2a03, 0x00007fff88a18af2 libsystem_kernel.dylib read + 10, name = <lldb.driver.commandline_io>
    frame #0: 0x00007fff88a18af2 libsystem_kernel.dylib read + 10
    frame #1: 0x0000000100050c3b libedit.3.dylib read_init + 247
    frame #2: 0x0000000100050e96 libedit.3.dylib el_wgetc + 155
    frame #3: 0x000000010005115d libedit.3.dylib el_wgets + 578
    frame #4: 0x000000010005debc libedit.3.dylib el_gets + 37
    frame #5: 0x000000010000d409 lldb IOChannel::LibeditGetInput(this=0x0000000105700490, new_line=0x0000000105a03db0) + 89 at IOChannel.cpp:311
    frame #6: 0x000000010000d8b6 lldb IOChannel::Run(this=0x0000000105700490) + 806 at IOChannel.cpp:391
    frame #7: 0x000000010000d57d lldb IOChannel::IOReadThread(ptr=0x0000000105700490) + 29 at IOChannel.cpp:345
    frame #8: 0x0000000101078923 LLDB ThreadCreateTrampoline(arg=0x00000001057179f0) + 227 at Host.cpp:549
    frame #9: 0x00007fff884aa8bf libsystem_c.dylib _pthread_start + 335
    frame #10: 0x00007fff884adb75 libsystem_c.dylib thread_start + 13
(lldb) 

llvm-svn: 148110
 2012-01-13 08:39:16 +00:00
Craig Topper b1c2ebf6ee use v8i32 as optimal mem type over v8f32 if AVX2 is enabled. Similar to SSE2 vs SSE1. 
llvm-svn: 148109
 2012-01-13 08:32:21 +00:00
Craig Topper cb7e13d7c0 Make X86 instruction selection use 256-bit VPXOR for build_vector of all ones if AVX2 is enabled. This gives the ExeDepsFix pass a chance to choose FP vs int as appropriate. Also use v8i32 as the type for getZeroVector if AVX2 is enabled. This is consistent with SSE2 using prefering v4i32. 
llvm-svn: 148108
 2012-01-13 08:12:35 +00:00
NAKAMURA Takumi 1b845f712a test/CodeGen/ARM/test-sharedidx.ll: Fix for -Asserts. 
llvm-svn: 148107
 2012-01-13 07:03:55 +00:00
Craig Topper 9f14d9f939 Add patterns for v16i16 and v32i8 immAllZerosV to select VPXOR to match v4i64 and v8i32. 
llvm-svn: 148106
 2012-01-13 06:59:47 +00:00
Andrew Trick e77e84e4b7 Added the MachineSchedulerPass skeleton. 
llvm-svn: 148105
 2012-01-13 06:30:30 +00:00
Andrew Trick d9accbf113 whitespace 
llvm-svn: 148104
 2012-01-13 06:30:25 +00:00
Andrew Trick 4d4fef238a wrong filename 
llvm-svn: 148103
 2012-01-13 06:30:22 +00:00