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111627 Commits

Author SHA1 Message Date
Douglas Gregor 1257f97003 Introduce a depth-first search of modules into the module manager, 
which supports both pre-order and post-order traversal via a visitor
mechanism. Use this depth-first search with a post-order traversal to
give predictable ordering semantics when walking all of the lexical
declarations in the translation unit.

Eventually, module imports will occur in the source code rather than
at the beginning, and we'll have to revisit this walk.

llvm-svn: 138490
 2011-08-24 21:27:34 +00:00
Ivan Krasin 7a09d12242 Follow up to r138470 (Add PNaCl TargetInfo). I've occasionally submitted wrong patch. 
llvm-svn: 138489
 2011-08-24 21:22:25 +00:00
Jim Grosbach 0a0b3071df Thumb parsing and encoding support for ADD SP instructions. 
Fix the test FIXME and add parsing support for the ADD (SP plus immediate)
and ADD (SP plus register) instruction forms.

llvm-svn: 138488
 2011-08-24 21:22:15 +00:00
Eli Friedman 38cd821dc4 Fix whitespace. 
llvm-svn: 138487
 2011-08-24 21:17:30 +00:00
Eli Friedman 5aabaaa367 Basic tests for atomic load and store on x86. 
llvm-svn: 138486
 2011-08-24 21:16:59 +00:00
Bill Wendling 86c5cbe613 Skip the landingpad instruction when determining the insertion point. 
llvm-svn: 138481
 2011-08-24 21:06:46 +00:00
Anna Zaks be460898bb [analyzer] MacOSKeychainAPIChecker: Provide reacher diagnostic trace by pointing to the allocation site when reporting a leak. 
llvm-svn: 138479
 2011-08-24 20:52:46 +00:00
Eli Friedman 342e8df0e0 Basic x86 code generation for atomic load and store instructions. 
llvm-svn: 138478
 2011-08-24 20:50:09 +00:00
Jordy Rose 9ff0299935 [analyzer] Silence an (incorrect) uninitialized variable warning, caught by Cameron. 
llvm-svn: 138477
 2011-08-24 20:38:42 +00:00
Jordy Rose 38eea65acd [analyzer] Copy GC mode setting from CFRefCount to RetainReleaseChecker in preparation for getting rid of CFRefCount. 
This is a little hacky for now but will get better once we decide the best way to handle this.

llvm-svn: 138476
 2011-08-24 20:33:55 +00:00
Argyrios Kyrtzidis b87ea9871d Silence 'may be used uninitialized' warnings. 
llvm-svn: 138475
 2011-08-24 20:33:05 +00:00
Anna Zaks 45aa208554 [analyzer] Allow checker writes to specify that no region should be accosiated with the report. (Useful when we report an error on endOfPath or deadSymbols, when the range of the last expression might have nothing to do with the error.) 
llvm-svn: 138474
 2011-08-24 20:31:06 +00:00
Bill Wendling 0902a68f69 Use getFirstInsertionPt instead of getFirstNonPHI so that it skips to the proper 
insertion place.

llvm-svn: 138473
 2011-08-24 20:28:43 +00:00
Eli Friedman 0cb3b56de5 Some minor updates to atomic acquire/release docs in LangRef. 
llvm-svn: 138472
 2011-08-24 20:28:39 +00:00
Ivan Krasin dd7403e612 Add PNaCl TargetInfo. 
llvm-svn: 138470
 2011-08-24 20:22:22 +00:00
Nadav Rotem 365af6f17b Implement Constant::isAllOnesValue(). Fix ConstantFolding to use the new api. 
llvm-svn: 138469
 2011-08-24 20:18:38 +00:00
Jim Grosbach af2f827a2c When printing Thumb1 NOP ('mov r8, r8'), make sure to print the predicate. 
rdar://10015134

llvm-svn: 138467
 2011-08-24 20:06:14 +00:00
Johnny Chen b7bdd1001e Pretty print the run options for dumpSessionInfo(self) client. 
llvm-svn: 138466
 2011-08-24 19:48:51 +00:00
Johnny Chen ba3b99ef1c Fix compile warning. 
llvm-svn: 138465
 2011-08-24 19:35:24 +00:00
Jordy Rose e8743a7499 [analyzer] Remove unused DoNothingByRef and the special case for CFDictionaryCreate. 
This is a very small regression (actually introduced in r138309) because it won't catch leaks of objects passed by reference to CFDictionaryCreate (they're considered to have escaped and are ignored). If this is important we can put in a specific eval::Call to restore the functionality.

llvm-svn: 138464
 2011-08-24 19:10:50 +00:00
Douglas Gregor 94619c81fc In the AST reader, switch name lookup within a DeclContect over to the 
module DAG-based lookup scheme. This required some reshuffling, so
that each module stores its own mapping from DeclContexts to their
lexical and visible sets for those DeclContexts (rather than one big
"chain"). 

Overall, this allows simple qualified name lookup into the translation
unit to gather results from multiple modules, with the lookup results
in module B shadowing the lookup results in module A when B imports A.

Walking all of the lexical declarations in a module DAG is still a
mess; we'll end up walking the loaded module list backwards, which
works fine for chained PCH but doesn't make sense in a DAG. I'll
tackle this issue as a separate commit.

llvm-svn: 138463
 2011-08-24 19:03:07 +00:00
Jordy Rose 5df640dc33 [analyzer] Slightly clean up the fix in 138432, so that it doesn't depend on the relative ordering of path-sensitive and path-insensitive checks. Still not ideal, but I think a real fix would require infrastructure that doesn't exist yet. 
llvm-svn: 138462
 2011-08-24 18:56:32 +00:00
Bruno Cardoso Lopes ce02840633 Mark VZEROALL as clobbering all YMM registers 
llvm-svn: 138461
 2011-08-24 18:48:33 +00:00
Caitlin Sadowski 726003e79d Thread safety: Fix a few typos in last commit -- use LockID instead of Lock in comments and start a couple methods with a lowercase letter 
llvm-svn: 138460
 2011-08-24 18:46:20 +00:00
Johnny Chen 3e15c4d50b Don't display the stdout if not in TraceOn(), i.e, '-t option, mode. 
llvm-svn: 138458
 2011-08-24 18:19:50 +00:00
Jim Grosbach 6ccd79f4d5 Add missing explicit writeback operand to tSTMIA_UPD. 
rdar://10014745

llvm-svn: 138457
 2011-08-24 18:19:42 +00:00
Johnny Chen 4ab4a9b897 The plugin impl of getCompiler() should be in unison with the Makefile.rules change. 
llvm-svn: 138454
 2011-08-24 18:12:53 +00:00
Johnny Chen a68135aed0 Remove the expectedFailure decorator. The test has been passing for some time now. 
llvm-svn: 138452
 2011-08-24 18:10:09 +00:00
Evan Cheng 494eb062b5 Match LLVM change: TargetRegistry and TargetSelect have been moved to Support. 
llvm-svn: 138451
 2011-08-24 18:09:14 +00:00
Evan Cheng 2bb4035707 Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.

llvm-svn: 138450
 2011-08-24 18:08:43 +00:00
Rafael Espindola d3e65e702f Fix a crashing bug in SplitBlock when it is called on a block with no 
dominator information even though dominators were previously computed.

Patch by Nick Sumner.

llvm-svn: 138449
 2011-08-24 18:07:01 +00:00
Jim Grosbach a281f2d07d Thumb add SP assembly syntax fix. 
llvm-svn: 138448
 2011-08-24 18:04:27 +00:00
Enrico Granata 65a6a6bea4 Moved the test code for Python commands out of the test case for aliases, into its own dedicated test case (one fill was still lurking in the old folder) 
llvm-svn: 138446
 2011-08-24 17:46:38 +00:00
Jim Grosbach 1b8457a84c Thumb1 ADD/SUB SP instructions are predicable in Thumb2 mode. 
Add the predicate operand to the instructions. Update the back end
accordingly where the instructions are used. Restrict the SP operands
to actually only be SP, as otherwise these break assembly parsing for the
normal instruction variants.

llvm-svn: 138445
 2011-08-24 17:46:13 +00:00
Enrico Granata cb2921dbd3 Moved the test code for Python commands out of the test case for aliases, into its own dedicated test case 
llvm-svn: 138444
 2011-08-24 17:45:40 +00:00
Owen Anderson 523004145e Be stricter in enforcing IT instruction predicate values, so that we don't end up trying to print out an illegal predicate. 
llvm-svn: 138443
 2011-08-24 17:21:43 +00:00
Enrico Granata 45403f31f1 Documentation edits: correcting typos, adding information and general tweaks for readability 
llvm-svn: 138442
 2011-08-24 17:12:47 +00:00
Owen Anderson 16fd0d96f2 Port over more encoding tests to decoding tests. 
llvm-svn: 138441
 2011-08-24 17:08:34 +00:00
Jim Grosbach dee9e8a37c Tidy up. Trailing whitespace. 
llvm-svn: 138437
 2011-08-24 16:44:17 +00:00
Axel Naumann 744f121e5b Reset FirstID (first diagnostic's file ID) to allow for invocations of the VerifyDiagnosticsClient on several input files. 
llvm-svn: 138434
 2011-08-24 13:36:19 +00:00
Richard Osborne 6e3c83eb1c Add Uses=[SP] to call instructions. This fixes a miscompilation with a 
variable sized alloca.

llvm-svn: 138433
 2011-08-24 13:32:43 +00:00
Jordy Rose 95589f13ff [analyzer] Fix a Heisenbug concerning object lifetimes with a hack. Hopefully a better fix coming soon. See comment for more details. 
llvm-svn: 138432
 2011-08-24 09:27:24 +00:00
Jordy Rose 58428b914d [analyzer] Reapply 138390 "Clean up unused bits of CFRefCount", reverted in 138405. Ended up unrelated to any problems. 
llvm-svn: 138431
 2011-08-24 09:22:31 +00:00
Jordy Rose 14de7c5a88 [analyzer] Fix potential crasher with RAII. No functionality change. (No test because this particular circumstance requires an impossible series of events, but this is future-proofing.) 
llvm-svn: 138430
 2011-08-24 09:02:37 +00:00
Tobias Grosser 3df9c76d5c RegisterPasses: Rework comments slightly 
llvm-svn: 138428
 2011-08-24 07:33:05 +00:00
Craig Topper de92622aa5 Break 256-bit vector int add/sub/mul into two 128-bit operations to avoid costly scalarization. Fixes PR10711. 
llvm-svn: 138427
 2011-08-24 06:14:18 +00:00
Jordy Rose 7a53498f20 [analyzer] Reapply 138382 and 138388 (reverted in 138419 and 138420). The issue seems to have been with the uninitialized variable fixed in 138424; a fix for another Heisencrasher coming soon. 
llvm-svn: 138426
 2011-08-24 05:47:39 +00:00
Enrico Granata c5df00f0b9 Documentation on dynamic types (WIP) 
llvm-svn: 138425
 2011-08-24 04:53:31 +00:00
Jordy Rose 03a8f9e578 [analyzer] Correctly initialize a variable and hopefully fix crashes. 
llvm-svn: 138424
 2011-08-24 04:48:19 +00:00
Enrico Granata 83cfc9abf8 Minor documentation changes (WIP) 
llvm-svn: 138423
 2011-08-24 01:49:09 +00:00