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136280 Commits

Author SHA1 Message Date
Rafael Espindola 44938a738a Fix invalid jump scopes again. This time without trying to find out if an 
incomplete type has a destructor or not.

llvm-svn: 166895
 2012-10-28 02:44:03 +00:00
Rafael Espindola c74634fe48 Add a testcase from the previous bootstrap problem. 
llvm-svn: 166894
 2012-10-28 02:25:27 +00:00
Nico Weber 729f1e2a1c Fix crash on missing namespace name in namespace alias definition -- PR14085. 
Patch from Brian Brooks <brooks.brian@gmail.com>!

llvm-svn: 166893
 2012-10-27 23:44:27 +00:00
Fariborz Jahanian 0c58ce9346 objective-C arc/mrr: Patch for the new block variable layout meta-data. 
It is currently off (so no tests). This is wip.

llvm-svn: 166892
 2012-10-27 21:10:38 +00:00
Chris Lattner d5705d1b1c Currently the initial value of Tok is dependent an the stack contents 
and could cause the Parser to crash on the first ConsumeToken().

Patcy by Bas van den Berg!

llvm-svn: 166891
 2012-10-27 19:49:20 +00:00
Jakob Stoklund Olesen 57143f7e78 Never attempt to join an early-clobber def with a regular kill. 
This fixes PR14194.

llvm-svn: 166880
 2012-10-27 17:41:27 +00:00
Rafael Espindola bd2c99b77c Revert 166876 while I debug a bootstrap problem. 
llvm-svn: 166878
 2012-10-27 16:49:47 +00:00
Benjamin Kramer 8d2ee55a0c LoopIdiom: Add checks to avoid turning memmove into an infinite loop. 
I don't think this is possible with the current implementation but that may change eventually.

llvm-svn: 166877
 2012-10-27 15:18:28 +00:00
Rafael Espindola 2ea126e73e Reapply 166855 with an early exit on null QualTypes. 
llvm-svn: 166876
 2012-10-27 14:56:08 +00:00
Benjamin Kramer 1c9e5186c0 LoopIdiom: Recognize memmove loops. 
This turns loops like
  for (unsigned i = 0; i != n; ++i)
    p[i] = p[i+1];
into memmove, which has a highly optimized implementation in most libcs.

This was really easy with the new DependenceAnalysis :)

llvm-svn: 166875
 2012-10-27 14:25:51 +00:00
Benjamin Kramer d5c9be8247 LoopIdiom: Replace custom dependence analysis with DependenceAnalysis. 
Requires a lot less code and complexity on loop-idiom's side and the more
precise analysis can catch more cases, like the one I included as a test case.
This also fixes the edge-case miscompilation from PR9481.

Compile time performance seems to be slightly worse, but this is mostly due
to an extra LCSSA run scheduled by the PassManager and should be fixed there.

llvm-svn: 166874
 2012-10-27 14:25:44 +00:00
Benjamin Kramer 5bc077aa88 SCEV validator: Ignore CouldNotCompute/undef on both sides. This is mostly noise and blocks finding more severe bugs. 
llvm-svn: 166873
 2012-10-27 11:36:07 +00:00
Benjamin Kramer 24d270db57 SCEV validator: Add workarounds for some common false positives due to the way it handles strings. 
llvm-svn: 166872
 2012-10-27 10:45:01 +00:00
Mahesha S 19a429e7e6 Reverted back the changes made in 166868 and in 166869 
llvm-svn: 166871
 2012-10-27 10:44:42 +00:00
Chandler Carruth 34e3477593 Clarify that there is an option other than OAuth for Phabricator and 
offer up my email to the spam lords for it. Hopefully this will
eventually be more automatic, but we don't want people to think there is
only one option.

llvm-svn: 166870
 2012-10-27 09:47:33 +00:00
Mahesha S 5d61097dd9 Feature: 
OpenMP support.

Sub-Feature:
  Support for "#pragma omp ..." registration with
  Preprocessor.

Files Changed/Added:
  * include/clang/Basic/DiagnosticGroups.td (C)
  * include/clang/Basic/DiagnosticParseKinds.td (C)
  * include/clang/Basic/TokenKinds.def (C)
  * include/clang/Parse/Parser.h (C)
  * lib/Parse/Parser.cpp (C)

Test Cases Changed/Added:
  * test/Preprocessor/pragma_omp.c (A)
  * test/Preprocessor/pragma_omp_ignored_warning.c (A)

llvm-svn: 166869
 2012-10-27 09:05:45 +00:00
Mahesha S 6a682be48b ------------------------------------------------- 
Feature:
  OpenMP support in CLANG:

Sub-Feature: 
  Support for option -fopenmp

Files Changed/Added:
  * include/clang/Driver/Options.td (C)
  * include/clang/Basic/LangOptions.def (C)
  * lib/Driver/Tools.cpp (C)
  * lib/Frontend/CompilerInvocation.cpp (C)

Test Cases Changed/Added:
  * test/Driver/clang_fopenmp_opt.c (A)
-------------------------------------------------

llvm-svn: 166868
 2012-10-27 07:47:56 +00:00
Mahesha S 34a26623a6 Removed an extra blank line. 
llvm-svn: 166867
 2012-10-27 07:23:58 +00:00
Rafael Espindola bb5d47ef15 Add a reduced testcase of the last bootstrap failure. 
llvm-svn: 166866
 2012-10-27 04:54:49 +00:00
Hal Finkel bad10bb2f3 Update BBVectorize to use the new VTTI instr. cost interfaces. 
The monolithic interface for instruction costs has been split into
several functions. This is the corresponding change. No functionality
change is intended.

llvm-svn: 166865
 2012-10-27 04:33:48 +00:00
Nadav Rotem 859366f93f 1. Fix a bug in getTypeConversion. When a *simple* type is split, we need to return the type of the split result. 
2. Change the maximum vectorization width from 4 to 8.
3. A test for both.

llvm-svn: 166864
 2012-10-27 04:11:32 +00:00
Rafael Espindola 8c0739d332 Revert r166855. I can reproduce the bootstrap failure and have a testcase 
to reduce.

llvm-svn: 166863
 2012-10-27 03:06:02 +00:00
Jim Ingham 3793976376 This is the first phase of supporting the DW_AT_object_pointer tag. I expanded the decl metadata 
so it could hold this information, and then used it to look up unfound names in the object pointer
if it exists.  This gets "frame var" to work for unqualified references to ivars captured in blocks.
But the expression parser is ignoring this information still.

llvm-svn: 166860
 2012-10-27 02:54:13 +00:00
Jim Ingham 4dc613b364 If we got what looks like a single step exception but we weren't single stepping then just report 
the raw exception.

llvm-svn: 166859
 2012-10-27 02:52:04 +00:00
Argyrios Kyrtzidis 668bf82658 Add a test case for the stack overflow in rdar://12542261 
llvm-svn: 166858
 2012-10-27 02:13:28 +00:00
Enrico Granata 21fd13f9b7 Moving ValueObjectCast over to its own .h/.cpp files instead of sharing ValueObjectDynamic.h/.cpp 
Removing the IsDynamic() and GetStaticValue() calls, so that they will default to the base class behavior:
 - non-dynamic
 - itself as the static value
This is in contrast with the previous behavior which could be confusing and could potentially cause issues when using those objects

llvm-svn: 166857
 2012-10-27 02:05:48 +00:00
Sean Callanan cd6ce2ff31 Fixes to the Objective-C V2 runtime: 
- Only read the statically-defined isa table in the
  shared cache once.  Only the dynamically-constructed
  isa table can change.

- Ignore the statically-defined isa table if its
  version isn't what we expect.

llvm-svn: 166856
 2012-10-27 01:51:44 +00:00
Rafael Espindola c5f9943a60 Fix cases where we were not producing an error when a computed goto could 
jump over destructor calls.
Fixes pr13812.

llvm-svn: 166855
 2012-10-27 01:17:42 +00:00
Quentin Colombet 3ee56a3bf5 [code size][ARM] Emit regular call instructions instead of the move, branch sequence 
llvm-svn: 166854
 2012-10-27 01:10:17 +00:00
Rafael Espindola 9c006de3d3 Move two helper functions to AST so that sema can use them. 
llvm-svn: 166853
 2012-10-27 01:03:43 +00:00
Reed Kotler 7e4d9969cb Implement MipsHi for mips16 
llvm-svn: 166852
 2012-10-27 00:57:14 +00:00
Akira Hatanaka 6a124a84dc [mips] Do not tail-call optimize vararg functions or functions with byval 
arguments.

This is rather conservative and should be fixed later to be more aggressive.

llvm-svn: 166851
 2012-10-27 00:56:56 +00:00
Akira Hatanaka 2c07f1f140 [mips] Make sure FuncArg doesn't advance when OrigArgIndex is the same as in the 
previous iteration.

llvm-svn: 166850
 2012-10-27 00:44:39 +00:00
Rafael Espindola b9d75ca84b Refactor some code into a new findMaterializedTemporary function. 
llvm-svn: 166849
 2012-10-27 00:43:14 +00:00
Rafael Espindola b413676cd7 Refactor some code into a new skipRValueSubobjectAdjustments function. 
llvm-svn: 166848
 2012-10-27 00:40:06 +00:00
Rafael Espindola e7b11f5241 Delay codegen to after collecting all SubobjectAdjustment so that the collection 
can be refactored and used in Sema.

llvm-svn: 166847
 2012-10-27 00:36:38 +00:00
Akira Hatanaka ac8c669985 Use the methods and classes that were added to simplify LowerCall and 
LowerFormalArguments in MipsTargetLowering.

No functionality change intended.

llvm-svn: 166846
 2012-10-27 00:29:43 +00:00
Akira Hatanaka 2a13402a66 Add method MipsTargetLowering::writeVarArgRegs which copies argument registers 
of vararg functions back to the stack.

llvm-svn: 166844
 2012-10-27 00:21:13 +00:00
Akira Hatanaka 35f55b1622 Add method MipsTargetLowering::passByValArg. 
This method emits nodes for passing byval arguments in registers and stack.
This has the same functionality as existing functions PassByValArg64 and
WriteByValArg which will be deleted later.

llvm-svn: 166843
 2012-10-27 00:16:36 +00:00
Akira Hatanaka 25dad19f0e Add method MipsTargetLowering::copyByValRegs. 
This method copies byval arguments passed in registers onto the stack and has
the same functionality as existing functions CopyMips64ByValRegs and
ReadByValArg which will be deleted later.

llvm-svn: 166841
 2012-10-27 00:10:18 +00:00
Akira Hatanaka 4a3711d077 Add class MipsCC which provides methods used to analyze formal and call 
arguments and inquire about calling convention information.

llvm-svn: 166840
 2012-10-26 23:56:38 +00:00
Jason Molenda aba75e6495 Show both lldb-168 and earlier "bt -c 5" as well as lldb-169 and later "bt 5" usage. 
llvm-svn: 166839
 2012-10-26 23:56:03 +00:00
Jason Molenda ca76ecda8a Document "bt <n>" for "thread backtrace -c <n>", note that it is available 
in lldb-169 and later.

llvm-svn: 166838
 2012-10-26 23:52:49 +00:00
Akira Hatanaka e485c65642 Delete MipsFunctionInfo::InArgFIRange. 
llvm-svn: 166837
 2012-10-26 23:49:51 +00:00
Nadav Rotem afae78edab Refactor the VectorTargetTransformInfo interface. 
Add getCostXXX calls for different families of opcodes, such as casts, arithmetic, cmp, etc.

Port the LoopVectorizer to the new API.

The LoopVectorizer now finds instructions which will remain uniform after vectorization. It uses this information when calculating the cost of these instructions.

llvm-svn: 166836
 2012-10-26 23:49:28 +00:00
Jakob Stoklund Olesen 1f06e7f00e Revert r163298 "Optimize codegen for VSETLNi{8,16,32} operating on Q registers." 
Keep the integer_insertelement test case, the new coalescer can handle
this kind of lane insertion without help from pseudo-instructions.

llvm-svn: 166835
 2012-10-26 23:39:46 +00:00
Kaelyn Uhrain 271fbb6445 Avoid an unused-variable warning when asserts are disabled. 
llvm-svn: 166834
 2012-10-26 23:28:41 +00:00
Eli Friedman ef5df7b8eb Fix typo. 
llvm-svn: 166833
 2012-10-26 23:25:42 +00:00
Eli Friedman fc5b2effcf Add missing safety check to an optimization for do-while loops. PR14191. 
llvm-svn: 166832
 2012-10-26 23:23:35 +00:00
Eli Friedman a7137bc1c2 Fix indentation. 
llvm-svn: 166830
 2012-10-26 23:05:34 +00:00