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26881 Commits

Author SHA1 Message Date
Anton Yartsev 3f8f2886c1 comparison of AltiVec vectors now gives bool result (fix for 7533) 
llvm-svn: 119678
 2010-11-18 03:19:30 +00:00
Ted Kremenek 5d304a34c6 CursorVisitor: switch remaining expressions over 
to the data-recursion algorithm.  CursorVisitor
now no longer subclasses StmtVisitor.

llvm-svn: 119596
 2010-11-18 00:42:18 +00:00
Argyrios Kyrtzidis ef6c8da50f -Rename -Wargument-larger-than -> -Wlarge-by-value-copy 
-Improve the diagnostic message
-Add some comments

Suggestions by Chris.

llvm-svn: 119594
 2010-11-18 00:20:36 +00:00
Ted Kremenek 8390027a99 CursorVisitor: migrate handling of 
'DependentScopeDeclRefExpr' and
'CXXDependentScopeMemberExpr' to the
data-recursion algorithm.

llvm-svn: 119591
 2010-11-18 00:02:32 +00:00
Ted Kremenek 7df92ae92b Make definition of CXTranslationUnitImpl private 
to libclang.

llvm-svn: 119585
 2010-11-17 23:24:11 +00:00
Argyrios Kyrtzidis af84ec0a96 Introduce option -Wargument-larger-than[=N] which warns about function definitions if they take by-value 
or return by-value any POD that is larger than some threshold (default is 64 bytes).

Implements rdar://8548050.

llvm-svn: 119583
 2010-11-17 23:11:54 +00:00
Rafael Espindola d47ac23154 Implement -pie. 
llvm-svn: 119577
 2010-11-17 22:26:15 +00:00
Rafael Espindola cfaaddaee0 Don't warn about 
clang -w -c foo.s
Helps with the gdb testsuite.

llvm-svn: 119574
 2010-11-17 22:13:25 +00:00
Douglas Gregor b4a7c0385d Do not produce "purely informative" code completion results for 
Objective-C message sends, which have only whitespace in their
TypedText chunk. Such results have no purpose.

llvm-svn: 119569
 2010-11-17 21:36:08 +00:00
Marcin Swiderski af56739355 In EvalArguments allow for evaluation of first argument always as a lvalue. Will be used for CXXOperatorCallExpr that represents method call. 
llvm-svn: 119567
 2010-11-17 21:27:36 +00:00
Rafael Espindola f92614c578 Don't warn about -w not being used in a link. Necessary to get sane 
results in the gdb testsuite.

llvm-svn: 119552
 2010-11-17 20:37:10 +00:00
Fariborz Jahanian 8046af7d50 Warn if direct accessing synthesized ivar backing the property in 
nonofragile-abi2. Fixes //rdar://8673791

llvm-svn: 119543
 2010-11-17 19:41:23 +00:00
Argyrios Kyrtzidis 56e879d1da Don't emit warn_logical_and_in_logical_or for cases like "a && b || 0". 
llvm-svn: 119540
 2010-11-17 19:18:19 +00:00
Argyrios Kyrtzidis b94e5a33b3 Don't emit warn_logical_and_in_logical_or for macros. Fixes rdar://8678458 
llvm-svn: 119537
 2010-11-17 18:54:22 +00:00
Argyrios Kyrtzidis 14a96625b8 Don't warn for parentheses for the '&&' inside '||' for cases like: 
assert(a || b && "bad");

since this is safe. This way we avoid a big source of such warnings which in this case are practically useless.

Note that we don't handle *all* cases where precedence wouldn't matter because of constants since
this is a bit costly to check, and IMO clarifying precedence with parentheses is good for
readability in general.

llvm-svn: 119533
 2010-11-17 18:26:36 +00:00
Argyrios Kyrtzidis f10c43c7f7 Put warn_logical_and_in_logical_or warning in new warning group "logical-op-parentheses" member of "parentheses". 
llvm-svn: 119532
 2010-11-17 18:26:33 +00:00
Dan Gohman ff66a7c66d Add a comment explaining why r117813 was needed. 
llvm-svn: 119518
 2010-11-17 17:23:53 +00:00
Dan Gohman f41b525161 Drop the warning about __attribute__((may_alias)) being used 
on a non-type declaration, as GCC permits it on variables too.
This fixes PR8635.

llvm-svn: 119517
 2010-11-17 17:21:47 +00:00
Douglas Gregor 30313cbb80 When libclang is walking a member access expression, don't walk into 
an implicit "this"; it causes clang_getCursor() to find the implicit
"this" expression (which isn't written in the source!) rather than the
actual member.

llvm-svn: 119516
 2010-11-17 17:15:08 +00:00
Douglas Gregor 29ee422861 When comparing the source range of a declaration against the region of 
interest (e.g., as used by clang_getCursor()), count the
decl-specifier-seq as part of the source range, as we do for
clang_annotateTokens(). Makes clang_getCursor() work properly for the
result types of functions, for example.

llvm-svn: 119514
 2010-11-17 17:14:07 +00:00
Rafael Espindola 9b6fae5d6d Silence warning for "clang -O2 -O0 -c foo.c -o foo.o. 
Fixes PR8607.

llvm-svn: 119498
 2010-11-17 15:16:14 +00:00
Zhongxing Xu 33d7ea9355 Add skeleton for handling various cfg dtors. 
llvm-svn: 119491
 2010-11-17 09:16:19 +00:00
Chris Lattner 11feaf5921 When forming the !srcloc mdnode for an inline asm, add the SourceLocations 
of all the lines of the inline asm.  With the refactoring and enhancement
of the backend, we can now reports errors on the correct source line when
an asm contains multiple lines of text.  For something like this:

void foo() {
  asm("push %rax\n"
      ".code32\n");
}

we used to get this: (note that the line 4 in t.c isn't helpful)

t.c:4:7: error: warning: ignoring directive for now
  asm("push %rax\n"
      ^
<inline asm>:2:1: note: instantiated into assembly here
.code32
^

now we get:

t.c:5:8: error: warning: ignoring directive for now
      ".code32\n"
       ^
<inline asm>:2:1: note: instantiated into assembly here
.code32
^

Note that we're pointing to line 5 properly now.  This implements
rdar://7839391 - inline asm errors should point to the right line in the asm
and makes the error message in PR8595 much less confusing.

llvm-svn: 119489
 2010-11-17 08:25:26 +00:00
Chris Lattner 068f2ab10f adjust for llvm mainline, yay type safety 
llvm-svn: 119487
 2010-11-17 08:13:04 +00:00
Chris Lattner e925d61785 a metric ton of refactoring later, Sema::getLocationOfStringLiteralByte 
no longer depends on Preprocessor, so we can move it out of Sema into
a nice new StringLiteral::getLocationOfByte method that can be used by
any AST client.

llvm-svn: 119481
 2010-11-17 07:37:15 +00:00
Zhongxing Xu 35d023164c do not do post checks. Because at this point we just enter the call. 
llvm-svn: 119480
 2010-11-17 07:31:08 +00:00
Chris Lattner 39720111e0 move getSpelling from Preprocessor to Lexer, which it is more conceptually related to. 
llvm-svn: 119479
 2010-11-17 07:26:20 +00:00
Zhongxing Xu 366340298e Remove comments. We are already doing actual method call by inlining it. 
llvm-svn: 119477
 2010-11-17 07:21:49 +00:00
Chris Lattner 6bab435db6 propagate preprocessor out of StringLiteralParser. It is now 
possible to create one without a preprocessor.

llvm-svn: 119476
 2010-11-17 07:21:13 +00:00
Chris Lattner 2be8aa9611 push the preprocessor out of EncodeUCNEscape 
llvm-svn: 119475
 2010-11-17 07:12:42 +00:00
Chris Lattner 2a6ee91619 move AdvanceToTokenCharacter and getLocForEndOfToken from 
Preprocessor to Lexer where they make more sense.

llvm-svn: 119474
 2010-11-17 07:05:50 +00:00
Chris Lattner b1ab2c2d3d add a static version of PP::AdvanceToTokenCharacter. 
llvm-svn: 119472
 2010-11-17 06:55:10 +00:00
Chris Lattner bde1b81eb8 push use of Preprocessor out farther. 
llvm-svn: 119471
 2010-11-17 06:46:14 +00:00
Chris Lattner 3a324d3232 push use of Preprocessor out of getOffsetOfStringByte 
llvm-svn: 119470
 2010-11-17 06:35:43 +00:00
Chris Lattner 30d4c928ac add a static form of the efficient PP::getSpelling method. 
llvm-svn: 119469
 2010-11-17 06:31:48 +00:00
Chris Lattner 7a02bfdfce refactor the interface to StringLiteralParser::getOffsetOfStringByte, 
pushing the dependency on the preprocessor out a bit.

llvm-svn: 119468
 2010-11-17 06:26:08 +00:00
Marcin Swiderski 2b2cd0e6b4 Added mapping from 'this' to it's SymbolicRegion in BasicStoreManager::getInitialStore. 
llvm-svn: 119467
 2010-11-17 06:22:54 +00:00
Chris Lattner 776a30ddfc factor some code out to a helper function, no functionality change. 
llvm-svn: 119464
 2010-11-17 05:58:54 +00:00
Ted Kremenek 9f49b37f25 CursorVisitor: Migrate handling of 
'SizeOfAlignOfExpr' and 'CXXSCalarValueInitExpr'
to data-recursion algorithm.

llvm-svn: 119452
 2010-11-17 02:18:35 +00:00
Douglas Gregor b1b71e50a0 For an Objective-C @synthesize statement, e.g., 
@synthesize foo = _foo;

keep track of the location of the ivar ("_foo"). Teach libclang to
visit the ivar as a member reference.

llvm-svn: 119447
 2010-11-17 01:03:52 +00:00
Ted Kremenek 7003a50b77 CursorVisitor: migrate handling of CXXUuidofExpr to 
data-recursion algorithm.

llvm-svn: 119444
 2010-11-17 00:50:52 +00:00
Ted Kremenek 513cd579b6 CursorVisitor: migrate handling of UnaryTypeTraitExpr 
to data-recursion algorithm.

llvm-svn: 119443
 2010-11-17 00:50:50 +00:00
Ted Kremenek 8eaa165c7e CursorVisitor: refactor visitation of 
explicit template args within data-recursion
algorithm.

llvm-svn: 119442
 2010-11-17 00:50:47 +00:00
Ted Kremenek e48db8dfae CursorVisitor: migrate handling of 
AddrLabelExpr to data-recursion algorithm, and
unify that reasoning with GotoStmt.

llvm-svn: 119441
 2010-11-17 00:50:45 +00:00
Ted Kremenek c1c30cd329 CursorVisitor: migrate handling of 
VAArgExpr to data-recursion algorithm.

llvm-svn: 119440
 2010-11-17 00:50:43 +00:00
Ted Kremenek a51cc43261 CursorVisitor: migrate handling of 
CXXTypeidExpr to data-recursion algorithm.

llvm-svn: 119439
 2010-11-17 00:50:41 +00:00
Ted Kremenek dd0d4b4192 CursorVisitor: migrate handling of 
TypesCompatibleExpr to data-recursion algorithm.

llvm-svn: 119438
 2010-11-17 00:50:39 +00:00
Ted Kremenek 79ddc67caa CursorVisitor: Migrate CXXUnresolvedConstructExpr over to data-recursive algorithm. 
llvm-svn: 119437
 2010-11-17 00:50:36 +00:00
Ted Kremenek 32195d9a58 Add comments. 
llvm-svn: 119436
 2010-11-17 00:50:34 +00:00
Bob Wilson db04141f9a Re-enable test with modifications for Neon vector changes in clang. 
I mistakenly thought that this was checking for vector name mangling, but
it is not.  Since we're no longer wrapping Neon vectors in structs, this
test can just return a vector directly.  There are already other tests for
that, so just to make this interesting, change the test to return a struct
of two vectors.

llvm-svn: 119434
 2010-11-17 00:44:53 +00:00