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2011-07-07Fix a typo in the fpsr register and add the fpcr register.Eric Christopher
Fixes PR10299 and rdar://9740322 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134654 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Remove BoostCon-specific code from Clang. FWIW, I'm a fan of things like ↵Jonathan D. Turner
this living in a separate branch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134649 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Move SourceManager::isAt[Start/End]OfMacroInstantiation functions to the ↵Argyrios Kyrtzidis
Lexer, since they depend on it now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134644 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Layout the code for trapping arithmetic so that the overflow case comes afterBill Wendling
the normal case. Before, for this: $ cat t.c int test(int x) { return x * 2; } We would get this: addl %edi, %edi jno LBB0_2 ## BB#1: ## %overflow ud2 LBB0_2: ## %nooverflow movl %edi, %eax popq %rbp ret Now we get this: addl %edi, %edi jo LBB0_2 ## BB#1: ## %nooverflow movl %edi, %eax popq %rbp ret LBB0_2: ## %overflow ud2 <rdar://problem/8283919> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134642 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07r134634 causes a failure on MultiSource/Benchmarks/Olden/bh with TEST=nightly,Cameron Zwarich
so roll it out. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134638 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07A redeclaration of an inline method in C99 mode should trigger emission of thatNick Lewycky
function. Fixes PR10233! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134634 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Undo r134587 as the bug was actually a deep and hideous one in theSean Hunt
client code. My bad. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134631 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07objc-arc: diagnose assignment/cast of a weak-unavailableFariborz Jahanian
object to a __weak object/type. // rdar://9732636. This is objc side of things. objc++ side tbd. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Turn hashhash into tok::unkwown when it comes from expanding an argument, ↵Argyrios Kyrtzidis
per Chris' suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134621 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07FreeBSD gets FreeBSD target, just mipsel.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Slightly improve the code to derive target from program name to notJoerg Sonnenberger
fault if no arguments are given. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134618 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Introduce a new libclang aPI function,Douglas Gregor
clang_codeCompleteGetContexts(), that provides the client with information about the context in which code completion has occurred and what kinds of entities make sense as completions at that point. Patch by Connor Wakamo! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134615 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07If we're using the pure non-fragile ABI, then skip some of the contortions ↵David Chisnall
required to support the transitional ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134612 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Set a flag to tell the runtime when we're compiling in ARC mode and use the ↵David Chisnall
pure-nonfragile ABI for both ARC and GC mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134611 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Fix example: variable is initialized to 10 and then has 11 stored in it, but ↵David Chisnall
in the expanded version is initialized to 11. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134610 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07In ARC, reclaim all return values of retainable type, not just thoseJohn McCall
where we have an immediate need of a retained value. As an exception, don't do this when the call is made as the immediate operand of a __bridge retain. This is more in the way of a workaround than an actual guarantee, so it's acceptable to be brittle here. rdar://problem/9504800 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07[arcmt] Add -ccc-arcmt-check/-ccc-arcmt-modify driver option aliases.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134591 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Sort #includes.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07When expanding macro arguments, treat '##' coming from an argument as a ↵Argyrios Kyrtzidis
normal token. e.g. #define M(x) A x B M(##) // should expand to 'A ## B', not 'AB' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134588 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Make the Preprocessor more memory efficient and improve macro instantiation ↵Argyrios Kyrtzidis
diagnostics. When a macro instantiation occurs, reserve a SLocEntry chunk with length the full length of the macro definition source. Set the spelling location of this chunk to point to the start of the macro definition and any tokens that are lexed directly from the macro definition will get a location from this chunk with the appropriate offset. For any tokens that come from argument expansion, '##' paste operator, etc. have their instantiation location point at the appropriate place in the instantiated macro definition (the argument identifier and the '##' token respectively). This improves macro instantiation diagnostics: Before: t.c:5:9: error: invalid operands to binary expression ('struct S' and 'int') int y = M(/); ^~~~ t.c:5:11: note: instantiated from: int y = M(/); ^ After: t.c:5:9: error: invalid operands to binary expression ('struct S' and 'int') int y = M(/); ^~~~ t.c:3:20: note: instantiated from: \#define M(op) (foo op 3); ~~~ ^ ~ t.c:5:11: note: instantiated from: int y = M(/); ^ The memory savings for a candidate boost library that abuses the preprocessor are: - 32% less SLocEntries (37M -> 25M) - 30% reduction in PCH file size (900M -> 635M) - 50% reduction in memory usage for the SLocEntry table (1.6G -> 800M) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134587 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Fix bug in SourceManager::getDecomposedInstantiationLocSlowCase.Argyrios Kyrtzidis
It would add up relative (decomposed) offsets like in getDecomposedSpellingLocSlowCase, but while it makes sense to preserve the offset among lexed spelling locations, it doesn't make sense to add anything to the offset of the instantiation location. The instantiation location will be the same regardless of the relative offset in the tokens that were instantiated. This bug didn't actually affect anything because, currently, in practice we never create macro locations with relative offset greater than 0. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134586 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07For -print-stats, add the number of bytes that SLocEntryTable consumes.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134585 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07In an in-class initialization, defer checks for value-dependent initializationNick Lewycky
expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134583 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Zap a couple unnecessary loops.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134578 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Do not violate the opencl casting rules. This test case still illustrates ↵Tanya Lattner
the problem. In the future, we should throw an error when doing invalid casting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134570 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Move and elaborate the section on objc_arc_weak_unavailable.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Ensure that we actually visit function parameter declarations withSean Hunt
RecursiveASTVisitor. This deficiency was discovered while working with the AST matcher framework and likely impacts other users of RecursiveASTMatcher who previously weren't seeing these Decls in their visitation. Patch reviewed by Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134562 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Update document for objc_arc_weak_unavailable attributeFariborz Jahanian
on class declarations. Documentation for // rdar://9693477 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Update document on use of ns_returns_not_retainedFariborz Jahanian
attribute on property. Document for // rdar://9636091. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134556 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Based on comments from Chris, switch to using CFG::getNumBlockIDs()Chandler Carruth
rather than a computed std::distance(). At some point I had convinced myself that these two were different; but as far as I can tell on re-exampination they aren't, and the number of block IDs is actually just a count of the blocks in the CFG. While this removes the primary motivation for guarding all of this with CollectStats, I have a patch coming up that will almost certainly make it important again. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134552 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06MSVC doesn't like mixing declarations and statements in a C file.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Properly implement the scope restriction on the NRVO forDouglas Gregor
throw-expressions, such that we don't consider the NRVO when the non-volatile automatic object comes from outside the innermost try scope (C++0x [class.copymove]p13). In C++98/03, our ASTs were incorrect but it didn't matter because IR generation doesn't actually apply the NRVO here. In C++0x, however, we were moving from an object when in fact we should have copied from it. Fixes PR10142 / <rdar://problem/9714312>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Update documentation for // rdar://9619861Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134544 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06revert patch for // rdar://9227352Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134536 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Some code cleanup of r134522Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134529 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06createMCInstPrinter doesn't need TargetMachine anymore.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134526 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06objc-arc: Support objc_arc_weak_unavailable on thoseFariborz Jahanian
classes which are incompatible with weak references. // rdar://9693477 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134522 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Don't try to type-check a copy construction of an exceptionDouglas Gregor
declaration with dependent type. Fixes PR10232 / <rdar://problem/9700653>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134515 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Update docs to remove reference to OverloadedFunctionDecl and replace it ↵Jonathan D. Turner
with DeclContext::lookup_result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134514 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Keep track of when "unrecoverable" errors occur, then allowDouglas Gregor
clang_saveTranslationUnit() to save a PCH file if the only errors it contains are recoverable errors. Fixes <rdar://problem/9727804>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134503 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06SmallVectorize a critical vector.Benjamin Kramer
The small number of elements was determined by taking the median file length in clang+llvm and /usr/include on OS X with xcode installed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134496 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06libclang: Allow callers of clang_saveTranslationUnit() to distinguishDouglas Gregor
between different classes of errors. Addresses most of <rdar://problem/9660328>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134495 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Build up statistics about the work done for analysis based warnings.Chandler Carruth
Special detail is added for uninitialized variable analysis as this has serious performance problems than need to be tracked. Computing some of this data is expensive, for example walking the CFG to determine its size. To avoid doing that unless the stats data is going to be used, we thread a bit into the Sema object to track whether detailed stats should be collected or not. This bit is used to avoid computations whereever the computations are likely to be more expensive than checking the state of the flag. Thus, counters are in some cases unconditionally updated, but the more expensive (and less frequent) aggregation steps are skipped. With this patch, we're able to see that for 'gcc.c': *** Analysis Based Warnings Stats: 232 functions analyzed (0 w/o CFGs). 7151 CFG blocks built. 30 average CFG blocks per function. 1167 max CFG blocks per function. 163 functions analyzed for uninitialiazed variables 640 variables analyzed. 3 average variables per function. 94 max variables per function. 96409 block visits. 591 average block visits per function. 61546 max block visits per function. And for the reduced testcase in PR10183: *** Analysis Based Warnings Stats: 98 functions analyzed (0 w/o CFGs). 8526 CFG blocks built. 87 average CFG blocks per function. 7277 max CFG blocks per function. 68 functions analyzed for uninitialiazed variables 1359 variables analyzed. 19 average variables per function. 1196 max variables per function. 2540494 block visits. 37360 average block visits per function. 2536495 max block visits per function. That last number is the somewhat scary one that indicates the problem in PR10183. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134494 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Teach the static analyzer's interpretation of Cocoa conventions toDouglas Gregor
obey the objc_method_family attribute when provided. Fixes <rdar://problem/9726279>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134493 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Use attributes from the definition (if available) whenRafael Espindola
instantiating functions. Fixes PR10272. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134491 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Fix C&P errorJoerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134490 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06When tree-transforming an expression sequence, always flag expandedJohn McCall
variadic argument pack expansions as having changed, rather than doing it for each changed expansion, which leaves out zero-argument packs with catastrophic consequences. Fixes PR10260. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134483 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Fixed enum types can be complete without actually being valid to useJohn McCall
as scope specifiers; diagnose the attempt, rather than letting it go to an assert. The rest of PR10264. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Properly protect colons when parsing a nested-name-specifier as partJohn McCall
of an enum specifier in dialects which permit fixed underlying types. Fixes the rejects-valid part of PR10264. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Improve the Python bindings for libclang in a few ways, from EliDouglas Gregor
Bendersky. Specifically: * Implemented a new function in libclang: clang_isAttribute * Fixing TranslationUnit.get_includes to only go through the argument * buffer when it contains something. This fixed a crash on Windows * clang_getFileName returns CXString, not char*. Made appropriate * fixes in cindex.py - now the relevant tests pass and we can see the * full locations correctly again (previously there was garbage in * place of the file name) * Exposed clang_getCursorDisplayName to the python bindings git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134460 91177308-0d34-0410-b5e6-96231b3b80d8
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