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2011-06-19Add support for MSVC __debugbreak compiler intrinsic.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18update for api change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18Remove dead variables.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133346 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-1880 cols.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18Remove more unnecessary dependencies now that the Frontend -> ARCMigrateChandler Carruth
edge has been broken. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133343 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18tools/arcmt-test: Don't attempt to link redundant libclang (clang-c).NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133342 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18Clarify the semantics of init methods, and point out a few placesJohn McCall
where mismatched semantics can cause undefined behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18A couple of minor changes to the ARC spec, plus a new sectionJohn McCall
specifying that retain/release/autorelease/retainCount are forbidden, plus a section talking about the behavior of dealloc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18Accept no-return stripping conversions for pointer type arguments afterChandler Carruth
deducing template parameter types. Recently Clang began enforcing the more strict checking that the argument type and the deduced function parameter type (after substitution) match, but that only consideres qualification conversions. One problem with this patch is that we check noreturn conversions and qualification conversions independently. If a valid conversion would require *both*, perhaps interleaved with each other, it will be rejected. If this actually occurs (I'm not yet sure it does) and is in fact a problem (I'm not yet sure it is), there is a FIXME to implement more intelligent conversion checking. However, this step at least allows Clang to resume accepting valid code we're seeing in the wild. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133327 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18[arcmt] Fix the ARC migrator. -arcmt-modify requires running before the ↵Argyrios Kyrtzidis
initialization of SourceManager because it is going to modify the input file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-18[arcmt] Const'ify.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17[arcmt] Remove '-arcmt-modify-in-memory', it turned out less useful than we ↵Argyrios Kyrtzidis
hoped it would be. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Fix regression with @encode string. rdar://9624314.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-C++ ARC: eliminate the utterly unjustified loophole thatDouglas Gregor
silently dropped ownership qualifiers that were being applied to ownership-qualified, substituted type that was *not* a substituted template type parameter. We now provide a diagnostic in such cases, and recover by dropping the added qualifiers. Document this behavior in the ARC specification. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133309 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-C++ ARC: do not mangle __unsafe_unretained lifetimeDouglas Gregor
qualifiers, so that an __unsafe_unretained-qualified type T in ARC code will have the same mangling as T in non-ARC code, improving ABI interoperability. This works now because we infer or require a lifetime qualifier everywhere one can appear in an external interface. Another part of <rdar://problem/9595486>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133306 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Fix a grammaroDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133304 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-ARC++: infer template type arguments ofDouglas Gregor
ownership-unqualified retainable object type as __strong. This allows us to write, e.g., std::vector<id> and we'll infer that the vector's element types have __strong ownership semantics, which is far nicer than requiring: std::vector<__strong id> Note that we allow one to override the ownership qualifier of a substituted template type parameter, e.g., given template<typename T> struct X { typedef __weak T type; }; X<id> is treated the same as X<__strong id>. At instantiation type, the __weak in "__weak T" overrides the (inferred or specified) __strong on the template argument type, so that we can still provide metaprogramming transformations. This is part of <rdar://problem/9595486>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133303 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Only accept __bridge_retain in system headers, as Doug suggested.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133300 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17As a hopefully temporary workaround for a header mistake, treatJohn McCall
__bridge_retain as a synonym for __bridge_retained. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Add a minor hack to avoid using isNullPointerConstant on a hot path. Fixes ↵Eli Friedman
-O0 compile-time regressions from r133196. rdar://9629775 . git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133290 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Put the new warning from revision 133196 on NULL arithmetic behind the flag ↵Richard Trieu
-Wnull-arthimetic and set to DefaultIgnore. A few edge cases need to be worked out before this can be set to default. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Don't emit 'unavailable' errors inside an unavailable function. rdar://9623855.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133264 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Loosen up the IR matching slightlyDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Remove another variable.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133262 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17When emitting a compound literal of POD type, continue to emit aDouglas Gregor
separate aggregate temporary and then memcpy it over to the destination. This fixes a regression I introduced with r133235, where the compound literal on the RHS of an assignment makes use of the structure on the LHS of the assignment. I'm deeply suspicious of AggExprEmitter::VisitBinAssign()'s optimization where it emits the RHS of an aggregate assignment directly into the LHS lvalue without checking whether there is any aliasing between the LHS/RHS. However, I'm not in a position to revisit this now. Big thanks to Eli for finding the regression! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133261 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Fix refactoro, silencing an MSVC warning. Thanks, Francois.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133257 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Perform an acquire memory barrier on the fast path of a thread-safeJohn McCall
static initializer check, as required by the Itanium ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Initialize a couple of variables to shut GCC up.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133246 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Objective-C fast enumeration loop variables are not retained in ARC, butJohn McCall
they should still be officially __strong for the purposes of errors, block capture, etc. Make a new bit on variables, isARCPseudoStrong(), and set this for 'self' and these enumeration-loop variables. Change the code that was looking for the old patterns to look for this bit, and change IR generation to find this bit and treat the resulting variable as __unsafe_unretained for the purposes of init/destroy in the two places it can come up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Clean up test to avoid using standard headers and remove an unneededEric Christopher
#define. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133241 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Extend the deduced/actual argument type checking of C++Douglas Gregor
[temp.deduct.call]p4 to the deduction performed for 'auto', finishing the fix for PR9233. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133239 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Make this test suitable for optimized builds by avoiding the name.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Factor the checking of the deduced argument type against the actualDouglas Gregor
argument type for C++ [temp.deduct.call]p4 out of Sema::FinishTemplateArgumentDeduction(). No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17When an explicit specialization has a storage specifier, error if thatDouglas Gregor
storage specifier is different from the storage specifier on the template. If that storage specifier is the same, then we only warn. Thanks to John for the prodding. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133236 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Implement proper support for generating code for compound literals inDouglas Gregor
C++, which means: - binding the temporary as needed in Sema, so that we generate the appropriate call to the destructor, and - emitting the compound literal into the appropriate location for the aggregate, rather than trying to emit it as a temporary and memcpy() it. Fixes PR10138 / <rdar://problem/9615901>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133235 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Downgrade the error complaining about presence of a storage classDouglas Gregor
specifier on an explicit specialization to a warning, since neither EDG nor GCC diagnose this code as ill-formed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Check the specific target to figure out if a constraint is a validEric Christopher
register constraint. Note that we're not checking if the register itself is valid for the constraint. Fixes rdar://9382985 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Add some more memory constraints for ARM.Eric Christopher
Part of rdar://9197685 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17On ARM make sure that we continue translating 'p' to 'r' for theEric Christopher
constraints. rdar://9618597 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133222 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17When synthesizing implicit copy/move constructors and copy/move assignmentJohn McCall
operators, don't make an initializer or sub-operation for zero-width bitfields. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133221 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-17Check for placeholder expressions before promoting an argument passedDouglas Gregor
through an ellipsis. Fixes <rdar://problem/9623945>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Add support for -force_load flag, for compat with Apple gcc. rdar://9555962 .Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133218 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Remove ARCMigrate from more builds that it isn't needed in now that theChandler Carruth
layering problem has been addressed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Be sure to try a final ARC-production even in Objective-C++.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133215 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Finish 2 sentences.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133214 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16comment improvements.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133213 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16Fix a regression introduced by r131955 which broke #include_next in subtle ↵Chris Lattner
situations because the Angled directories and the System directories were not being uniqued together, breaking #include_next. I'll see about a testcase, but it will be insane. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133212 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16code cleanups, no behavior change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133211 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16For the purpose of @encode'ing, accept 'void' typeFariborz Jahanian
(even though it is incomplete type) because gcc says so. // rdar://9622422 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-16cmake may require LIT_TOOLS_DIR.Andrew Trick
Reviewed by chapuni. Sorry for breaking. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133199 91177308-0d34-0410-b5e6-96231b3b80d8