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2011-08-18[driver] Don't generate diagnostics (i.e., preprocessed source) if reading Chad Rosier
from stdin. This allows Eli and the like to continue with their debugging trickery without loss of limb (or car) on my part. :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137906 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18"-mavx" should also enable all other SSE levels.Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18Downgrade "err_init_list_variable_narrowing" into a warning in Microsoft ↵Francois Pichet
mode even if c++0x is enabled. This necessary to parse MSVC code in C++0x mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Add experimental -Wstrlcpy-size warning that looks to see if the size ↵Ted Kremenek
argument for strlcpy/strlcat is the size of the *source*, and not the size of the *destination*. This warning is off by default (for now). Warning logic provided by Geoff Keating. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove DiagBugReport by pulling it into its parent BugReport.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137899 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix else style. No functionality change intended.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137896 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove EnhancedBugReport and RangedBugReport - pull all the extra ↵Anna Zaks
functionality they provided into their parent BugReport. The only functional changes are: made getRanges() non const - it adds default range to Ranges if none are supplied, made getStmt() private, which was another FIXME. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137893 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Reorganize the return-type vs. expression checking code inJohn McCall
block returns; no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137884 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Remove an unnecessary assignment (to InstFromD).Argyrios Kyrtzidis
Caught by the static analyzer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137878 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Gather cleanups correctly in block return statements.John McCall
Thanks to Ted for finding this with magic tools. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137877 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[analyzer] Migrate assumption and binding handling from CFRefCount to ↵Jordy Rose
RetainReleaseChecker. This is mostly a textual move and required no supporting changes. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix incorrect code indentation and silence dead store warning due to ↵Ted Kremenek
idiomatic code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137870 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17In the AST file format, eliminate the CHAINED_METADATA record. Instead,Douglas Gregor
all AST files have a normal METADATA record that has the same form regardless of whether we refer to a chained PCH or any other kind of AST file. Introduce the IMPORTS record, which describes all of the AST files that are imported by this AST file, and how (as a module, a PCH file, etc.). Currently, we emit at most one entry to this record, to support chained PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137869 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix a handful of dead stores found by Clang's static analyzer. There's a ↵Ted Kremenek
bunch of others I haven't touched. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137867 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Mark objc methods that are implicitly declared for properties (not ↵Argyrios Kyrtzidis
user-declared) as implicit. This results in libclang ignoring such methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix -ferror-limit= to properly emit notes following the last errorDouglas Gregor
messages. Fi from David Blaikie, tests from Nikola Smiljanic! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137851 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix iterator end for r137842.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137849 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[driver] Clang doesn't support -mkernel/-fapple-kext for i386, so it's Chad Rosier
automatically invoking llvm-gcc's cc1plus, which doesn't support all options supported by Clang. Therefore, filter out unsupported options. rdar://9964354 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137842 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Add additional path to Linux toolchain. Patch by Will Dietz. PR10690.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137839 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Add Gentoo gcc 4.3.4 include pathsNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137834 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Whitelist operator== and operator!= as valid for unused value warnings,Chandler Carruth
even when overloaded and user-defined. These operators are both more valuable to warn on (due to likely typos) and extremely unlikely to be reasonable for use to trigger side-effects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137823 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Treating the unused equality comparisons as something other than part ofChandler Carruth
-Wunused was a mistake. It resulted in duplicate warnings and lots of other hacks. Instead, this should be a special sub-category to -Wunused-value, much like -Wunused-result is. Moved to -Wunused-comparison, moved the implementation to piggy back on the -Wunused-value implementation instead of rolling its own, different mechanism for catching all of the "interesting" statements. I like the unused-value mechanism for this better, but its currently missing several top-level statements. For now, I've FIXME-ed out those test cases. I'll enhance the generic infrastructure to catch these statements in a subsequent patch. This patch also removes the cast-to-void fixit hint. This hint isn't available on any of the other -Wunused-value diagnostics, and if we want it to be, we should add it generically rather than in one specific case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137822 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Don't suggest assignment in implausible situation. We still warn, as theChandler Carruth
code is very likely to be buggy, but its going to require more significant changes on the part of the user to correct it in this case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Introduce a new warning, -Wtop-level-comparison. This warning isChandler Carruth
a complement to the warnings we provide in condition expressions. Much like we warn on conditions such as: int x, y; ... if (x = y) ... // Almost always a typo of '==' This warning applies the complementary logic to "top-level" statements, or statements whose value is not consumed or used in some way: int x, y; ... x == y; // Almost always a type for '=' We also mirror the '!=' vs. '|=' logic. The warning is designed to fire even for overloaded operators for two reasons: 1) Especially in the presence of widespread templates that assume operator== and operator!= perform the expected comparison operations, it seems unreasonable to suppress warnings on the offchance that a user has written a class that abuses these operators, embedding side-effects or other magic within them. 2) There is a trivial source modification to silence the warning for truly exceptional cases: (void)(x == y); // No warning A (greatly reduced) form of this warning has already caught a number of bugs in our codebase, so there is precedent for it actually firing. That said, its currently off by default, but enabled under -Wall. There are several fixmes left here that I'm working on in follow-up patches, including de-duplicating warnings from -Wunused, sharing code with -Wunused's implementation (and creating a nice place to hook diagnostics on "top-level" statements), and handling cases where a proxy object with a bool conversion is returned, hiding the operation in the cleanup AST nodes. Suggestions for any of this code more than welcome. Also, I'd really love suggestions for better naming than "top-level". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137819 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Fix typo.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[analyzer] Add a warning for an incompatible plugin version.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137813 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Silence compiler warnings by casting object pointers to function pointers ↵Benjamin Kramer
via intptr_t. This is ugly but ISO C++ doesn't allow direct casts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[MSVC] Fix a warning C4334 "'operator' : result of 32-bit shift implicitly ↵NAKAMURA Takumi
converted to 64 bits (was 64-bit shift intended?)". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[analyzer] Add basic support for pluggable checkers.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137802 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Add serialization support for ClassScopeFunctionSpecializationDecl.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137799 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Make Lexer::GetBeginningOfToken able to handle macro arg expansion locations.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137795 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Introduce SourceManager::getMacroArgExpandedLocation function.Argyrios Kyrtzidis
If we pass it a source location that points inside a function macro argument, the returned location will be the macro location in which the argument was expanded. If a macro argument is used multiple times, the expanded location will be at the first expansion of the argument. e.g. MY_MACRO(foo); ^ Passing a file location pointing at 'foo', will yield a macro location where 'foo' was expanded into. Make SourceManager::getLocation call getMacroArgExpandedLocation as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17Make SourceManager::isBeforeInTranslationUnit handle macro locations correctly.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137793 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-17[PCH] When writing out ExpansionInfo, make sure we don't lose track if it's ↵Argyrios Kyrtzidis
a macro arg expansion or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137792 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16Switch this code to use the more idiomatic 'dyn_cast' pattern.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137780 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] teach ExprEngine about loads from static C++ class fields. Fixes ↵Ted Kremenek
<rdar://problem/9948787>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] Overhaul of checker registration in preparation for basic plugin ↵Jordy Rose
support. Removes support for checker groups (we can add them back in later if we decide they are still useful), and -analyzer-checker-help output is a little worse for the time being (no packages). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137758 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16Finalize debug info after all deferred globals are emitted.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137750 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16MacOSKeychainAPIChecker: Turn it on by default.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137740 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16MacOSKeychainAPIChecker: Do not report double allocation if first allocation ↵Anna Zaks
returned an error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137720 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] Enhance ConditionVisitor to handle arbitrary ValueDecls in binary ↵Ted Kremenek
expressions, and also handle inverting the order of comparison when the named decl appears on the RHS. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137714 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] fix operation inversion calculation in ConditionVisitor.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137708 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] Enhance ConditionVisitor to understand eagerly evaluated (simple) ↵Ted Kremenek
binary conditions, and teach it to only focus on constraint changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137705 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] add ExprEngine::getEagerlyAssumedTags() to allow externally ↵Ted Kremenek
querying of "eagerly assumed" expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137704 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-16[analyzer] Remove PostStmtCustom ProgramPoint. It can be represented using ↵Ted Kremenek
tagged PostStmts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137697 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15MacOSKeychainAPIChecker: The security API/memory leak checker should always ↵Anna Zaks
generate regular nodes instead of sink nodes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137681 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Add ProgramState.cpp.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137677 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15Use new DIBuilder::finalize() at the end to wrap up debug info encoding for ↵Devang Patel
a translation unit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137674 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-15'pure' and 'const' functions should also be marked nounwind. MigrateEric Christopher
test over from llvm/test/FrontendC++ and update others to account for the change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137669 91177308-0d34-0410-b5e6-96231b3b80d8
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