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2009-05-03Add diagnostic for r70658.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70659 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-03Add Sema support for __builtin_setjmp/__builtin_longjmp. The primary Eli Friedman
reason for adding these is to error out in CodeGen when trying to generate them instead of silently emitting a call to a non-existent function. (Note that it is not valid to lower these to setjmp/longjmp; in addition to that lowering being different from the intent, setjmp and longjmp require a larger buffer.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70658 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02Driver: Treat -m32 and -m64 as "driver-only" arguments.Daniel Dunbar
- In particular, don't forward them to gcc; these participate in the selection of the tool chain, which should know how to talk to gcc and be fixed if it doesn't. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70648 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02Driver: Generate an error when trying to pass an LLVM bc input to aDaniel Dunbar
non-Darwin linker (sorry Gold + LTO-plugin users). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02DragonFly ToolChain definition for driver.Daniel Dunbar
- Patch by Alex Hornung! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70635 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02Downgrade the invalid offsetof error to a warning.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70634 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-02When determining whether an expression refers to a bit-field, lookDouglas Gregor
into the left-hand side of an assignment expression. This completes most of PR3500; the only remaining part is to deal with the GCC-specific implementation-defined behavior for "unsigned long" (and other) bit-fields. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01explicitly know that the alignment of Type* is 3 bits.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70602 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Add Sema checking for __block on vm declarations. Radar 6441502Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70601 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01When printing a source line as part of a diagnostic, the source lineDouglas Gregor
might be wider than we're supposed to print. In this case, we try to select the "important" subregion of the source line, which contains everything that we want to show (e.g., with underlining and the caret itself) and tries to also contain some of the context. From the fantastically long line in the test case, we get an error message that slices down to this: message-length.c:18:120: warning: comparison of distinct pointer types ('int *' and 'float *') a_func_to_call(ip == FloatPointer, ip[ALongIndexName], ~~ ^ ~~~~~~~~~~~~ There are a bunch of gee-it-sounds-good heuristics in here, which seem to do well on the various simple tests I've thrown at it. However, we're going to need to look at a bunch more diagnostics to tweak these heuristics. This is the second part of <rdar://problem/6711348>. Almost there! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70597 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01It's an error to call offsetof on a non-POD type.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Get rid of CXXDestroyExpr.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70586 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Add a new BFS GRWorkList and make it the default worklist model forTed Kremenek
GRCoreEngine. This tends to result in shorter paths for pathological cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70585 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Rename CXXExprWithCleanup to CXXExprWithTemporaries.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Implement -fmessage-length=N, which word-wraps diagnostics to N columns. Douglas Gregor
Also, put a line of whitespace between the diagnostic and the source code/caret line when the start of the actual source code text lines up (or nearly lines up) with the most recent line of the diagnostic. For example, here it's okay for the last line of the diagnostic to be (vertically) next to the source line, because there is horizontal whitespace to separate them: decl-expr-ambiguity.cpp:12:16: error: function-style cast to a builtin type can only take one argument typeof(int)(a,5)<<a; However, here is a case where we need the vertical separation (since there is no horizontal separation): message-length.c:10:46: warning: incompatible pointer types initializing 'void (int, float, char, float)', expected 'int (*)(int, float, short, float)' int (*fp1)(int, float, short, float) = f; This is part one of <rdar://problem/6711348>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70578 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Add support for -Wno-format-zero-length.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70570 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01PR4013 and PR4105: pointer-like types can only be cast to/from integers Eli Friedman
and other pointer-like types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Use of super class ivar to synthesize property is back to being error.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70514 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Make a home for exception specs in the AST. Now Sema can hook them up.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70506 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Allow attributes 'objc_ownership_retain' and 'objc_ownership_release' to beTed Kremenek
applied to ObjCMethodDecls, not just parameters. This allows one to specific side-effects on the receiver of a message expression. No checker support yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70505 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Hook up Sema support for attributes on Objective-C method declarations thatTed Kremenek
appear between the return type and the selector. This is a separate code path from regular attribute processing, as we only want to (a) accept only a specific set of attributes in this place and (b) want to distinguish to clients the context in which an attribute was added to an ObjCMethodDecl. Currently, the attribute 'objc_ownership_returns' is the only attribute that uses this new feature. Shortly I will add a warning for 'objc_ownership_returns' to be placed at the end of a method declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70504 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Name the "return-type" DiagGroup and reference it in a few places.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70500 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Warn about invalid return statements by default.Steve Naroff
This fixes <rdar://problem/6839489> 10A345: Clang does not warm about mismatched returns (void return from a bool function) Will implement -Wreturn-type, -Wno-return-type in another commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70492 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30accept and ignore two new warning specifiers. -Wno-discard-qual seems easy Chris Lattner
to hook up if someone was interested. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70482 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30initial support for __[u]int128_t, which should be basicallyChris Lattner
compatible with VC++ and GCC. The codegen/mangling angle hasn't been fully ironed out yet. Note that we accept int128_t even in 32-bit mode, unlike gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70464 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Sema checking for incorrect placement of __block. Radar 6441502Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70452 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Make DISABLE_SMART_POINTERS work, againDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70443 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Change to warning when property uses an ivar in super classFariborz Jahanian
in an @synthesize diective, as it breaks few projects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Implement semantic analysis for transparent unions. This is largelyDouglas Gregor
based on a patch from Anders Johnsen. CodeGen support is incomplete, in that we do not properly coerce to the first field's type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70419 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29BugReporter/PathDiagnostics:Ted Kremenek
- Add an (optional) short description for BugReports for clients that want to distinguish between long and short descriptions for bugs - Make the bug report for VLA less obscene for Plist diagnostics by using the short description git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Sema and CodeGen support for attributes on blocks. Radar 6441502Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70403 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29accept and ignore two new warning options. PR410[45]Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29PR4103: improve source location information for members of the current Eli Friedman
class. This isn't perfect, but it's a big improvement over not having any location information. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70390 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Have the parser communicate the exception specification to the action.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70389 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29implement -Wformat-security properly, which is enabled by default.Chris Lattner
This enables one specific class of non-literal format warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70368 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29add a bunch of individual warnings to -Wformat (which isChris Lattner
on by default). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70365 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Wire up -Wformat=2 and -Wformat-extra-argsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29-Wformat should depend on format-extra-args so that -Wformat impliesChris Lattner
the extra argument warnings, and -Wformat -Wno-format-extra-args turns on -Wformat but not the extra-args warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29tweak warning options to be more like gcc:Chris Lattner
1. All all variants of -Wformat*, make them imply -Wformat. GCC warns if you use -Wformatfoo without -Wformat. We just make one imply the other. 2. Make -Wformat-nonliteral default to off, like gcc. It is an incredible nuisance. 3. Accept but currently ignore -Wformat-extra-args. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Implement sema checking for noreturn.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70353 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Implement ownership attribute 'objc_ownership_make_collectable'. This allows oneTed Kremenek
to add 'CFMakeCollectable' semantics to a method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28add support for -Wendif-labels, PR4101Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70335 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Make all PCH-incompatibility warnings into errors, and abortDouglas Gregor
compilation if the user requested a PCH file but no such PCH file exists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Make the PCH reader use the diagnostics system for its complaints.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70330 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Implement -Wfour-char-constants, which is an extension, not an extwarn,Chris Lattner
and apparently not part of -Wall git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70329 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Fix a typo noticed by GaborDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70323 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Replace a lame fprintf with a slightly-less lame diagnosticDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Implement checking for macro definitions that occur on the commandDouglas Gregor
line when using a PCH that were not provided when building the PCH file. If those names were used as identifiers somewhere in the PCH file, reject the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Allow some differences between the predefines buffer used to build aDouglas Gregor
PCH file and the predefines buffer used when including the PCH file. We (explicitly) detect conflicting macro definitions (rejecting the PCH file) and about missing macro definitions (they'll be automatically pulled from the PCH file anyway). We're missing some checking to make sure that new macro definitions won't have any impact on the PCH file itself (e.g., #define'ing an identifier that the PCH file used). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70316 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28implement -WmulticharChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70315 91177308-0d34-0410-b5e6-96231b3b80d8
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