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87415 Commits

Author SHA1 Message Date
Zhongxing Xu 4ca4a999b1 Prepare the analyzer for the callee in another translation unit: 
Let AnalysisContext contain a TranslationUnit.
  Let CallEnter refer to an AnalysisContext instead of a FunctionDecl.

llvm-svn: 108617
 2010-07-17 11:12:42 +00:00
Lang Hames 0eda30d65f Switched to array_pod_sort as per Chris's suggestion. 
llvm-svn: 108616
 2010-07-17 09:21:53 +00:00
Lang Hames 225977d4f9 LoopSplitter - intended to split live intervals over loop boundaries. 
Still very much under development. Comments and fixes will be forthcoming.

(This commit includes some small tweaks to LiveIntervals & LoopInfo to support the splitter)

llvm-svn: 108615
 2010-07-17 07:34:01 +00:00
Owen Anderson 7d2818b073 Another attempt at getting the clang self-host to like my instcombine patch. 
llvm-svn: 108614
 2010-07-17 06:56:35 +00:00
Lang Hames 211e7ce7e7 Iterating over sets of pointers in a heuristic was a bad idea. Switching 
any command line paramater changed the register allocation produced by
PBQP.

Turns out variety is not the spice of life.

Fixed some comparators, added others. All good now.

llvm-svn: 108613
 2010-07-17 06:31:41 +00:00
Eli Friedman 9de5967244 Start of .sleb128/.uleb128 parsing support. 
llvm-svn: 108612
 2010-07-17 06:27:28 +00:00
Chris Lattner 3c93d12916 unit test to go along with r108610 
llvm-svn: 108611
 2010-07-17 06:14:03 +00:00
Chris Lattner 718da70ca2 Fix PR7658, a problem where type refinement can trigger 
constant replacement which was botching its handling of
types.  Use of getType() instead of getRawType() was causing
the type map in constant folding to be updated wrong.

llvm-svn: 108610
 2010-07-17 06:13:52 +00:00
Eli Friedman 9e36dd001a Work-in-progress parsing for ELF .section directive. 
llvm-svn: 108609
 2010-07-17 04:29:04 +00:00
Jim Grosbach b97e2bbe32 Add combiner patterns to more effectively utilize the BFI (bitfield insert) 
instruction for non-constant operands. This includes the case referenced
in the README.txt regarding a bitfield copy.

llvm-svn: 108608
 2010-07-17 03:30:54 +00:00
Eli Friedman ceb16a5ce9 Test for ELF .size directive. 
llvm-svn: 108607
 2010-07-17 03:15:24 +00:00
Eli Friedman 56178a07bf Add support for parsing .size directives for ELF. 
llvm-svn: 108606
 2010-07-17 03:09:18 +00:00
Daniel Dunbar 05474285aa clang -cc1as: Switch to using AsmParser constructor function. 
llvm-svn: 108605
 2010-07-17 02:26:21 +00:00
Daniel Dunbar 01e3607d70 MC/AsmParser: Lift Run() and TargetParser to base class. 
Also, add constructor function for creating AsmParser instances.

llvm-svn: 108604
 2010-07-17 02:26:10 +00:00
Jim Grosbach 6e3b5fa91c add BFI to getTargetNodeName() 
llvm-svn: 108603
 2010-07-17 01:50:57 +00:00
Ted Kremenek b32964d02d Fix '<rdar://problem/8202272> __imag passed non-complex should not crash' by removing a bogus assertion. 
llvm-svn: 108602
 2010-07-17 01:28:55 +00:00
Jim Grosbach adc81f8ee8 Fix logic think-o 
llvm-svn: 108601
 2010-07-17 01:22:19 +00:00
Fariborz Jahanian 6a06144021 Another test case for on demand synthesis of ivars. 
llvm-svn: 108600
 2010-07-17 01:16:59 +00:00
Fariborz Jahanian 18722981e2 Patch to synthesize property ivars on demand as 
part of the new property synthesis by default.
wip.

llvm-svn: 108599
 2010-07-17 00:59:30 +00:00
Stephen Wilson 50bd94f961 Have Process::CreateBreakpointSite return a break_id_t instead of a user_id_t. 
Also, update BreakpointLocation::ResolveBreakpointSite to check for invalid
breakpoint ID's using the proper magic constant.

llvm-svn: 108598
 2010-07-17 00:56:13 +00:00
Sean Callanan 6b4067c14e Added the necessary code to copy variables used by 
an expression into the struct prepared for the JIT
compiled code to use.

llvm-svn: 108596
 2010-07-17 00:43:37 +00:00
John McCall 36ea3723c0 The GNU-runtime ObjC personality function doesn't let us rethrow with URR for 
multiple reasons.  Rethrow with _objc_exception_throw instead.  Fixes PR7656.

llvm-svn: 108595
 2010-07-17 00:43:08 +00:00
Ted Kremenek 8b9fd890e3 Fix APFloat assertion failure in IdempotentOperationChecker resulting in having 
an APFloat with different "float semantics" than the compared float literal.

llvm-svn: 108590
 2010-07-17 00:40:32 +00:00
Eric Christopher 83f250f005 Remove unnecessary check that was subsumed into canRealignStack. 
llvm-svn: 108588
 2010-07-17 00:33:04 +00:00
Eric Christopher 0baaa9bcc1 Propagate alloca alignment information via variable size object frame 
information.

No functional change yet.

llvm-svn: 108583
 2010-07-17 00:28:22 +00:00
Eric Christopher 24e3aa011a Make more explicit and add some currently disabled error messages for 
stack realignment on ARM.

Also check for function attributes as we do on X86 as well as
make explicit that we're checking can as well as needs in this function.

llvm-svn: 108582
 2010-07-17 00:27:24 +00:00
Eric Christopher c0be37287c Make comment a bit more clear as well as return statement since 
needsStackRealignment is currently checking the can conditions as well.

llvm-svn: 108581
 2010-07-17 00:25:41 +00:00
Jim Ingham 6185accf3b Patch from Mattias to specify the system sed on Mac OS X. 
llvm-svn: 108580
 2010-07-17 00:25:08 +00:00
Sebastian Redl c2e6dbfa19 Teach the PCH reader to load the dependency when encountering a chain metadata record. WIP 
llvm-svn: 108578
 2010-07-17 00:12:06 +00:00
Bill Wendling 004d772558 Update comment. 
llvm-svn: 108571
 2010-07-16 23:10:00 +00:00
Jim Grosbach 11013eda5a Add basic support to code-gen the ARM/Thumb2 bit-field insert (BFI) instruction 
and a combine pattern to use it for setting a bit-field to a constant
value. More to come for non-constant stores.

llvm-svn: 108570
 2010-07-16 23:05:05 +00:00
Dan Gohman 9a54c17582 Fix whitespace. 
llvm-svn: 108569
 2010-07-16 22:58:39 +00:00
Bill Wendling bf8370ff36 Consider this function: 
void foo() { __builtin_unreachable(); }

It will output the following on Darwin X86:

_func1:
Leh_func_begin0:
        pushq %rbp
Ltmp0:
        movq %rsp, %rbp
Ltmp1:
Leh_func_end0:

This prolog adds a new Call Frame Information (CFI) row to the FDE with an
address that is not within the address range of the code it describes -- part is
equal to the end of the function -- and therefore results in an invalid EH
frame. If we emit a nop in this situation, then the CFI row is now within the
address range.

llvm-svn: 108568
 2010-07-16 22:51:10 +00:00
Jakob Stoklund Olesen 8289f78569 Remove the isMoveInstr() hook. 
llvm-svn: 108567
 2010-07-16 22:35:46 +00:00
Jakob Stoklund Olesen 8e767bde16 Avoid isMoveInstr when printing XCore pseudo-moves. 
llvm-svn: 108566
 2010-07-16 22:35:37 +00:00
Jakob Stoklund Olesen 2c130b8ead Use MI.isCopy. 
llvm-svn: 108565
 2010-07-16 22:35:34 +00:00
Jakob Stoklund Olesen 54bcf5049e Use a small local function for a single remaining late isMoveInstr call in 
Thumb2ITBlockPass.

llvm-svn: 108564
 2010-07-16 22:35:32 +00:00
Bill Wendling 499f797cdd Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and 
thus is a much more meaningful name.

llvm-svn: 108563
 2010-07-16 22:20:36 +00:00
Jakob Stoklund Olesen 8d51149102 Keep valgrind quiet. 
The isLive() method can read uninitialized memory, but it still gives correct
results.

llvm-svn: 108561
 2010-07-16 22:00:33 +00:00
Chris Lattner c9c22862d4 tidy up 
llvm-svn: 108560
 2010-07-16 21:20:46 +00:00
Anders Carlsson bb4cfdff7e When checking whether to bind an expression to a temporary, don't bind Obj-C message send expressions who call methods that return references. 
llvm-svn: 108559
 2010-07-16 21:18:37 +00:00
Craig Silverstein e1c6749665 Fix typeid the same way I fixed sizeof. Sad I had missed it before. 
Reviewed by chandlerc

llvm-svn: 108557
 2010-07-16 21:15:34 +00:00
Jakob Stoklund Olesen b15cbd343c Remove remaining calls to TII::isMoveInstr. 
llvm-svn: 108556
 2010-07-16 21:03:55 +00:00
Jakob Stoklund Olesen 44629eb81b Emit COPY instead of FMR/FMSD instructions for floating point conversion on 
PowerPC.

llvm-svn: 108555
 2010-07-16 21:03:52 +00:00
Chris Lattner 27e997a168 eliminate unlockedRefineAbstractTypeTo, types are all per-llvmcontext, 
so there is no locking involved in type refinement.

llvm-svn: 108553
 2010-07-16 20:50:13 +00:00
Ted Kremenek 0030be81f5 Remove unicode quotes characters that somehow made it into a recent commit of mine. 
llvm-svn: 108552
 2010-07-16 20:49:01 +00:00
Sebastian Redl 2abc0383ce Separate out the initial loading of a PCH so that loading chained PCHs can reuse it. 
llvm-svn: 108551
 2010-07-16 20:41:52 +00:00
Tom Care 826e6b4023 Improved false positive rate for the idempotent operations checker and moved it into the default path-sensitive analysis options. 
- Added checks for static local variables, self assigned parameters, and truncating/extending self assignments
- Removed command line option (now default with --analyze)
- Updated test cases to pass with idempotent operation warnings

llvm-svn: 108550
 2010-07-16 20:41:41 +00:00
Gabor Greif fee4dafbd0 get the first few tags from a precomputed table (count can be increased if desired) 
llvm-svn: 108549
 2010-07-16 20:35:19 +00:00
Howard Hinnant c1198c320f A good start on extended posix regex. Loops working. Alternation working. Also update by-chapter completeness summary. 
llvm-svn: 108548
 2010-07-16 19:08:36 +00:00