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* Enhance -Wreturn-type to not warn when control-flow is most likely limited ↵Ted Kremenek2010-09-091-5/+9
| | | | | | | | by a switch statement explicitly covering all the cases for an enum value. llvm-svn: 113450
* Split out a header to hold APIs meant for the Sema implementation from Sema.h.John McCall2010-08-251-1/+1
| | | | | | | Clients of Sema don't need to know (for example) the list of diagnostics we support. llvm-svn: 112093
* Remove Sema.h's dependency on DeclCXX.h.John McCall2010-08-251-0/+1
| | | | llvm-svn: 112032
* Remove AnalysisBasedWarnings.h's dependency on Type.hJohn McCall2010-08-251-6/+21
| | | | llvm-svn: 112027
* Struggle mightily against header inclusion in Sema.h.John McCall2010-08-241-0/+1
| | | | llvm-svn: 111904
* Move Sema's headers into include/clang/Sema, renaming a few along the way.Douglas Gregor2010-08-121-2/+2
| | | | llvm-svn: 110945
* Fix namespace polution.Dan Gohman2010-07-261-0/+4
| | | | llvm-svn: 109440
* Fix construction of AnalysisContext. Thanks Daniel.Zhongxing Xu2010-07-191-1/+1
| | | | llvm-svn: 108694
* Add a hack to silence warnings about failing to return from functions afterChandler Carruth2010-05-171-0/+13
| | | | | | a temporary with a noreturn destructor has been created. Fixes PR6884 for now. llvm-svn: 104000
* Don't emit any fallthrough / missing-noreturn warnings if we can'tJohn McCall2010-05-161-5/+11
| | | | | | compute a CFG for a function. llvm-svn: 103905
* Don't perform AnalysisBasedWarnings in Sema or run the static analyzer when aTed Kremenek2010-04-301-2/+4
| | | | | | fatal error has occurred. llvm-svn: 102778
* An edge from a call expression to the exit block is only an abnormal edgeJohn McCall2010-04-301-1/+2
| | | | | | | | | | | if *none* of the successors of the call expression is the exit block. This matters when a call of bool type is the condition of (say) a while loop in a function with no statements after the loop. This *can* happen in C, but it's much more common in C++ because of overloaded operators. Suppresses some substantial number of spurious -Wmissing-noreturn warnings. llvm-svn: 102696
* If a non-noreturn virtual member function is guaranteed not to return,Douglas Gregor2010-04-161-5/+16
| | | | | | | do *not* suggest that the function could be attribute 'noreturn'; overridden functions may end up returning. llvm-svn: 101572
* Remove micro-optimization for not issueing CFG-based warnings for 'static ↵Ted Kremenek2010-04-081-59/+2
| | | | | | | | | | 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
* Removed unused object.Ted Kremenek2010-04-081-1/+0
| | | | llvm-svn: 100750
* Use SmallVector instead of an std::queue.Ted Kremenek2010-04-081-2/+1
| | | | llvm-svn: 100730
* the big refactoring bits of PR3782.Rafael Espindola2010-03-301-2/+2
| | | | | | | | This introduces FunctionType::ExtInfo to hold the calling convention and the noreturn attribute. The next patch will extend it to include the regparm attribute and fix the bug. llvm-svn: 99920
* Be a bit more consistent in using operator->Rafael Espindola2010-03-291-1/+1
| | | | | | | This patch moves some methods from QualType to Type and changes the users to use -> instead of . llvm-svn: 99805
* For forward-declared static inline functions, delay CFG-based warnings until weTed Kremenek2010-03-231-7/+21
| | | | | | encounter a definition. llvm-svn: 99243
* Only perform CFG-based warnings on 'static inline' functions thatTed Kremenek2010-03-231-23/+69
| | | | | | | are called (transitively) by regular functions/blocks within a translation untion. llvm-svn: 99233
* Don't bother running the analysis for CFG-based warnings if theTed Kremenek2010-03-201-0/+7
| | | | | | declaration is in a system header. llvm-svn: 99087
* Refactor CFG-based warnings in Sema to be run by a worked object called ↵Ted Kremenek2010-03-201-0/+362
AnalysisBasedWarnings. This object controls when the warnings are executed, allowing the client code in Sema to selectively disable warnings as needed. Centralizing the logic for analysis-based warnings allows us to optimize when and how they are run. Along the way, remove the redundant logic for the 'check fall-through' warning for blocks; now the same logic is used for both blocks and functions. llvm-svn: 99085
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