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81719 Commits

Author SHA1 Message Date
Sean Callanan 844a7febd3 Added a tester for the enhanced disassembler, 
integrated into the llvm-mc testing tool.

llvm-svn: 100842
 2010-04-09 01:43:16 +00:00
Dan Gohman 9ba08a4631 Add several more lint checks. 
llvm-svn: 100841
 2010-04-09 01:39:53 +00:00
Dan Gohman ee6451dca1 Fix a bug in IVUsers which was permitting non-affine addrecs to 
be sent to LSR, which it isn't prepared to handle.

llvm-svn: 100839
 2010-04-09 01:22:56 +00:00
Dan Gohman 9c3d160039 Don't use reserved identifiers. 
llvm-svn: 100838
 2010-04-09 01:19:28 +00:00
Chris Lattner c6c153be45 fix a SCCP miscompilation that could happen when a 
forced constant is changed to a constant, we would end
up adding the instruction to the wrong worklist, 
preventing it from being properly revisited.  This fixes
rdar://7832370

llvm-svn: 100837
 2010-04-09 01:14:31 +00:00
John McCall 81a4a72e84 Add a note to the C++ compatibility page about templates with no 
valid instantiations.

llvm-svn: 100836
 2010-04-09 01:07:07 +00:00
Douglas Gregor c68e140657 Improve diagnostics when we fail to convert from a source type to a 
destination type for initialization, assignment, parameter-passing,
etc. The main issue fixed here is that we used rather confusing
wording for diagnostics such as

t.c:2:9: warning: initializing 'char const [2]' discards qualifiers,
      expected 'char *' [-pedantic]
  char *name = __func__;
        ^      ~~~~~~~~

We're not initializing a 'char const [2]', we're initializing a 'char
*' with an expression of type 'char const [2]'. Similar problems
existed for other diagnostics in this area, so I've normalized them all
with more precise descriptive text to say what we're
initializing/converting/assigning/etc. from and to. The warning for
the code above is now:

t.c:2:9: warning: initializing 'char *' from an expression of type
      'char const [2]' discards qualifiers [-pedantic]
  char *name = __func__;
        ^      ~~~~~~~~

Fixes <rdar://problem/7447179>.

llvm-svn: 100832
 2010-04-09 00:35:39 +00:00
Sean Callanan 48b1804e79 Bugfixes for edis. Code to initialize instruction 
state was being executed too lazily, and the LLVM
assembly syntax for the disassembler was not being
written into the proper disassembler state variable.

llvm-svn: 100830
 2010-04-09 00:11:15 +00:00
Dan Gohman 9b5d0bb774 Avoid allocating a value of zero in a register if the initial formula 
inputs happen to negate each other.

llvm-svn: 100828
 2010-04-08 23:36:27 +00:00
Ted Kremenek e1a38ab422 Use '%clang_cc1' instead of '%clang' to make the warning output more consistent across 
platforms (for this test).

llvm-svn: 100827
 2010-04-08 23:17:16 +00:00
Dan Gohman 7808d490d3 Add a few more lint checks. 
llvm-svn: 100825
 2010-04-08 23:05:57 +00:00
Dan Gohman 4ce1fb1448 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience. 
llvm-svn: 100824
 2010-04-08 23:03:40 +00:00
Ted Kremenek 212182d12b For 'open' check in UnixAPIChecker, hard code value of 'O_CREAT' on Darwin. 
This is still not an ideal solution, but should disable the check for other
targets where the value of O_CREAT is different.

llvm-svn: 100818
 2010-04-08 22:15:34 +00:00
Douglas Gregor 5e349b5469 Reorder diagnostics to separate the Sema::AssignmentAction diagnostics from other diagnostics 
llvm-svn: 100817
 2010-04-08 22:07:57 +00:00
Ted Kremenek 769b06cba3 Temporarily only enable 'open' check on Mac OS X to unbreak Windows buildbot. I'm 
looking into an alternate fix right now.

llvm-svn: 100816
 2010-04-08 21:54:13 +00:00
Chris Lattner 80c345927e delete a forwarding function. 
llvm-svn: 100815
 2010-04-08 21:34:17 +00:00
Douglas Gregor f19ac0ede9 Downgrade the "declaration does not declare anything" error to a 
warning. It's not harmful to have such pointless declarations, and GCC
does not diagnose this issue consistently.

llvm-svn: 100814
 2010-04-08 21:33:23 +00:00
Fariborz Jahanian d9235dbc02 Implement method type encoding in the presense 
of c-style arguments. Completes radar 7445205.

llvm-svn: 100813
 2010-04-08 21:29:11 +00:00
Chris Lattner 5418dd5fda move elf section uniquing to MCContext. Along the way 
merge XCore's section into MCSectionELF

llvm-svn: 100812
 2010-04-08 21:26:26 +00:00
Johnny Chen 75f82345c4 Now that Evan Cheng has fixed the coalescer bug (r100804), the workaround code 
to avoid memcpy() call is no longer necessary.

llvm-svn: 100811
 2010-04-08 21:23:54 +00:00
Ted Kremenek 5c7f596b4c Match GCC's behavior and do not include '-Wunused-parameter' in '-Wunused'. 
llvm-svn: 100810
 2010-04-08 21:10:56 +00:00
Jeffrey Yasskin 54eba427ed Explain that a template needs arguments to make it into a type, for 
variable declarations.

llvm-svn: 100809
 2010-04-08 21:04:54 +00:00
Chris Lattner 433d40695b remove the TargetLoweringObjectFileMachO::getMachoSection 
api and update clients to use MCContext instead.

llvm-svn: 100808
 2010-04-08 20:40:11 +00:00
Chris Lattner 2073112fc0 move macho section uniquing from MCParser and TLOF to MCContext where 
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.

llvm-svn: 100807
 2010-04-08 20:30:37 +00:00
John McCall 17762b8a5d Set access properly on instantiated friend class template declarations. 
Fixes PR6752.

llvm-svn: 100806
 2010-04-08 20:25:50 +00:00
Evan Cheng b083c47c21 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>

llvm-svn: 100804
 2010-04-08 20:02:37 +00:00
Ted Kremenek ea4a5abf61 Add static analyzer check for calls to 'pthread_once()' where the control-flow has 
automatic storage.  This matches the corresponding check for 'dispatch_once()'.

llvm-svn: 100803
 2010-04-08 19:53:31 +00:00
Ted Kremenek 7ffb294c5b Update CMake build. 
llvm-svn: 100802
 2010-04-08 18:52:18 +00:00
Ted Kremenek a0859f1e7d Update test case. 
llvm-svn: 100801
 2010-04-08 18:51:47 +00:00
Ted Kremenek afed24b472 Remove micro-optimization for not issueing CFG-based warnings for 'static inline' functions 
unless they are used.  I discussed this with Daniel Dunbar, and we agreed that this
provides an inconsistent warnings experience for the user and that there were
genuine cases where we wouldn't want to do this optimization.

llvm-svn: 100800
 2010-04-08 18:51:44 +00:00
Ted Kremenek d87bd77586 Fix -Wsign-compare warning (issued by clang++). 
llvm-svn: 100799
 2010-04-08 18:49:30 +00:00
Dan Gohman 98bc4371c7 Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.

llvm-svn: 100798
 2010-04-08 18:47:09 +00:00
Devang Patel 359b013129 Rename a function. 
llvm-svn: 100797
 2010-04-08 18:43:56 +00:00
Chris Lattner 294a90d87a implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction. 
llvm-svn: 100792
 2010-04-08 18:20:52 +00:00
Douglas Gregor 01e09d9d91 Introduce an egregious hack to work around a bug in libstdc++ 4.2.x's 
<tr1/hashtable> header, where a friend class template
std::tr1::__detail::_Map_base is declared with the wrong template
parameters. GCC doesn't catch the problem, so Clang does a little
back-flip to avoid diagnosing just this one instance of the problem.

llvm-svn: 100790
 2010-04-08 18:16:15 +00:00
Dan Gohman cb45bd9cb3 Pointers to zero-sized objects don't point to overlapping objects. 
llvm-svn: 100789
 2010-04-08 18:11:50 +00:00
Fariborz Jahanian 590c3524ac Fix a misuse of iterators when iterating through block's 
parameters list for encoding.

llvm-svn: 100788
 2010-04-08 18:06:22 +00:00
Dan Gohman 386e01e879 Print empty structs as {} rather than { }. 
llvm-svn: 100787
 2010-04-08 18:03:05 +00:00
Ted Kremenek a1de6fc575 Include all warnings under '-Wunused' in '-Wmost' and '-Wall'. 
llvm-svn: 100786
 2010-04-08 17:54:28 +00:00
Ted Kremenek 9f6bcf7b45 Sort entries in diagnostic group "Most". 
llvm-svn: 100785
 2010-04-08 17:54:24 +00:00
John McCall cf75c1e4ed Maybe we should store template arguments in the position we allocated for them 
instead of scribbling over random memory.  Maybe.

Hopefully this fixes the -vg buildbot.

llvm-svn: 100784
 2010-04-08 17:47:15 +00:00
Dan Gohman b6c29c27da Fix a comment. 
llvm-svn: 100783
 2010-04-08 17:41:04 +00:00
Jeffrey Yasskin 96f8a4a82f Touch configure so it regenerates Disassemblers.def to include ARM so 
people stop seeing a broken build in EDDisassembler.cpp

llvm-svn: 100782
 2010-04-08 17:19:20 +00:00
Devang Patel 3ebd8931fb One instruction may start (or end) multiple lexical scopes. 
There is no need to remember labels identifying regions marked by such instructions in each scope.

llvm-svn: 100781
 2010-04-08 16:50:29 +00:00
Gabor Greif 64d8d1a022 clean up algorithm and remove operand order assumptions 
llvm-svn: 100780
 2010-04-08 16:46:24 +00:00
Jeffrey Yasskin c76498d409 Make CXXScopeSpec invalid when incomplete, and propagate that into any 
Declarator that depends on it.  This fixes several redundant errors and bad
recoveries.

llvm-svn: 100779
 2010-04-08 16:38:48 +00:00
Anders Carlsson af2a317e05 Rename CGVtable files to CGVTables. 
llvm-svn: 100778
 2010-04-08 16:30:25 +00:00
Anders Carlsson ae9e9a63bd Clarify an assert. 
llvm-svn: 100776
 2010-04-08 16:18:36 +00:00
Douglas Gregor bc6a434773 Unbreak the build 
llvm-svn: 100775
 2010-04-08 16:07:47 +00:00
Dan Gohman bc048307f3 Fix a comment. 
llvm-svn: 100774
 2010-04-08 15:57:10 +00:00