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* Change DeclContextLookup(Const)Result to (Mutable)ArrayRef<NamedDecl*>, as ↵David Blaikie2012-12-191-1/+1
| | | | | | | | | | | | | | | per review discussion in r170365 This does limit these typedefs to being sequences, but no current usage requires them to be contiguous (we could expand this to a more general iterator pair range concept at some point). Also, it'd be nice if SmallVector were constructible directly from an ArrayRef but this is a bit tricky since ArrayRef depends on SmallVectorBaseImpl for the inverse conversion. (& generalizing over all range-like things, while nice, would require some nontrivial SFINAE I haven't thought about yet) llvm-svn: 170482
* Make sure the __invoke function for lambdas returns properly. Per bug ↵Eli Friedman2012-12-131-0/+2
| | | | | | report on IRC> llvm-svn: 170160
* When deciding whether to convert an array construction loop into a memcpy, lookRichard Smith2012-11-071-11/+4
| | | | | | | | at whether the *selected* constructor would be trivial rather than considering whether the array's element type has *any* non-trivial constructors of the relevant kind. llvm-svn: 167562
* Simplify: replace getContext().getLangOpts() with just getLangOpts().Richard Smith2012-11-011-2/+2
| | | | llvm-svn: 167261
* Switch CodeGenOptions over to a .def file, like we do with LangOptions.Douglas Gregor2012-10-231-1/+1
| | | | llvm-svn: 166497
* Have 'addFnAttr' take the attribute enum value. Then have it build the ↵Bill Wendling2012-10-101-1/+1
| | | | | | attribute object and add it appropriately. No functionality change. llvm-svn: 165596
* -fcatch-undefined-behavior: emit calls to the runtime library whenever one ↵Richard Smith2012-10-091-2/+6
| | | | | | of the checks fails. llvm-svn: 165536
* Fix an assertion failure with a C++ constructor initializing aEli Friedman2012-08-081-6/+9
| | | | | | member of reference type in an anonymous struct. PR13154. llvm-svn: 161473
* When devirtualizing the conversion to a virtual base subobject,John McCall2012-08-011-57/+64
| | | | | | | | | | | don't explode if the offset we get is zero. This can happen if you have an empty virtual base class. While I'm at it, remove an unnecessary block from the IR-generation of the null-check, mark the eventual GEP as inbounds, and generally prettify. llvm-svn: 161100
* Distinguish more carefully between free functions and C++ instance methodsJohn McCall2012-07-071-27/+31
| | | | | | | | in the ABI arrangement, and leave a hook behind so that we can easily tweak CCs on platforms that use different CCs by default for C++ instance methods. llvm-svn: 159894
* Revert Decl's iterators back to pointer value_type rather than reference ↵David Blaikie2012-06-061-3/+3
| | | | | | | | | | | | | | value_type In addition, I've made the pointer and reference typedef 'void' rather than T* just so they can't get misused. I would've omitted them entirely but std::distance likes them to be there even if it doesn't use them. This rolls back r155808 and r155869. Review by Doug Gregor incorporating feedback from Chandler Carruth. llvm-svn: 158104
* Remove the ref/value inconsistency in filter_decl_iterator.David Blaikie2012-04-301-3/+3
| | | | | | | | | | | | | filter_decl_iterator had a weird mismatch where both op* and op-> returned T* making it difficult to generalize this filtering behavior into a reusable library of any kind. This change errs on the side of value, making op-> return T* and op* return T&. (reviewed by Richard Smith) llvm-svn: 155808
* Use enum to set debug info size generated by ClangAlexey Samsonov2012-04-271-1/+2
| | | | llvm-svn: 155697
* Fix bug 12574 - Avoid infinite recursion in constructors and destructors ↵Timur Iskhodzhanov2012-04-201-2/+3
| | | | | | when using Microsoft C++ ABI llvm-svn: 155189
* Propagate alignment on lvalues through EmitLValueForField. PR12395.Eli Friedman2012-04-161-4/+9
| | | | llvm-svn: 154789
* Add a note about a missing optimization in the case of virtualJohn McCall2012-03-301-0/+3
| | | | | | inheritance. llvm-svn: 153722
* Revert r153613 as it's causing large compile-time regressions on the nightly ↵Chad Rosier2012-03-291-10/+4
| | | | | | testers. llvm-svn: 153660
* When we can't prove that the target of an aggregate copy isJohn McCall2012-03-281-4/+10
| | | | | | | a complete object, the memcpy needs to use the data size of the structure instead of its sizeof() value. Fixes PR12204. llvm-svn: 153613
* add tbaa metadata to vtable pointer loads/storesKostya Serebryany2012-03-261-2/+5
| | | | llvm-svn: 153447
* Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie2012-03-111-7/+7
| | | | | | | | | | (Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner llvm-svn: 152536
* Implement "optimization" for lambda-to-block conversion which inlines the ↵Eli Friedman2012-03-011-2/+0
| | | | | | | | generated block literal for lambdas which are immediately converted to block pointer type. This simplifies the AST, avoids an unnecessary copy of the lambda and makes it much easier to avoid copying the result onto the heap. Note that this transformation has a substantial semantic effect outside of ARC: it gives the converted lambda lifetime semantics similar to a block literal. With ARC, the effect is much less obvious because the lifetime of blocks is already managed. llvm-svn: 151797
* Prefer bitcast+GEP over ptrtoint+sub+inttoptr: it's semantically equivalent ↵Eli Friedman2012-02-281-3/+3
| | | | | | here, and generally nicer to the optimizer. llvm-svn: 151659
* Ensure that we delete destructors in the right cases. Specifically:Richard Smith2012-02-261-0/+4
| | | | | | | | | | | | | | - variant members with nontrivial destructors make the containing class's destructor deleted - check for a virtual destructor after checking for overridden methods in the base class(es) - check for an inaccessible operator delete for a class with a virtual destructor. Do not try to call an anonymous union field's destructor from the destructor of the containing class. llvm-svn: 151483
* Work-in-progress for lambda conversion-to-block operator. Still need to ↵Eli Friedman2012-02-251-21/+62
| | | | | | implement the retain+autorelease outside of ARC, and there's a bug that causes the generated code to crash in ARC (which I think is unrelated to my code, although I'm not completely sure). llvm-svn: 151428
* Make heap-allocation of std::initializer_list 'work'.Sebastian Redl2012-02-191-1/+1
| | | | llvm-svn: 150931
* Make std::initializer_list member initializers 'work'.Sebastian Redl2012-02-191-31/+37
| | | | llvm-svn: 150930
* Whether an argument is required (in contrast with being anJohn McCall2012-02-171-11/+11
| | | | | | | | | | | | | | | | | | | | | optional argument passed through the variadic ellipsis) potentially affects how we need to lower it. Propagate this information down to the various getFunctionInfo(...) overloads on CodeGenTypes. Furthermore, rename those overloads to clarify their distinct purposes, and make sure we're calling the right one in the right place. This has a nice side-effect of making it easier to construct a function type, since the 'variadic' bit is no longer separable. This shouldn't really change anything for our existing platforms, with one minor exception --- we should now call variadic ObjC methods with the ... in the "right place" (see the test case), which I guess matters for anyone running GNUStep on MIPS. Mostly it's just a substantial clean-up. llvm-svn: 150788
* Rework the Sema/AST/IRgen dance for the lambda closure type'sDouglas Gregor2012-02-171-50/+9
| | | | | | | | | | | | | | | | | | | | conversion to function pointer. Rather than having IRgen synthesize the body of this function, we instead introduce a static member function "__invoke" with the same signature as the lambda's operator() in the AST. Sema then generates a body for the conversion to function pointer which simply returns the address of __invoke. This approach makes it easier to evaluate a call to the conversion function as a constant, makes the linkage of the __invoke function follow the normal rules for member functions, and may make life easier down the road if we ever want to constexpr'ify some of lambdas. Note that IR generation is responsible for filling in the body of __invoke (Sema just adds a dummy body), because the body can't generally be expressed in C++. Eli, please review! llvm-svn: 150783
* Initial implementation of IRGen for the lambda ↵Eli Friedman2012-02-161-1/+93
| | | | | | conversion-to-function-pointer operator. llvm-svn: 150660
* Start of IRGen for lambda conversion operators.Eli Friedman2012-02-161-0/+8
| | | | llvm-svn: 150649
* Implement IRGen of lambda expressions which capture arrays.Eli Friedman2012-02-141-28/+22
| | | | llvm-svn: 150452
* Refactor out new function EmitInitializerForField from ↵Eli Friedman2012-02-141-50/+69
| | | | | | EmitMemberInitializer. The new function will be used to initialize the fields of lambda expressions. llvm-svn: 150451
* simplify a bunch of code to use the well-known LLVM IR types computed by ↵Chris Lattner2012-02-071-3/+1
| | | | | | CodeGenModule. llvm-svn: 149943
* Fix comment.Eric Christopher2012-02-011-2/+2
| | | | llvm-svn: 149543
* Use function pointers, rather than references, to pass DestroyersPeter Collingbourne2012-01-261-2/+2
| | | | | | | around, in the process cleaning up the various gcc/msvc compiler workarounds. llvm-svn: 149036
* Switch LValue so that it exposes alignment in CharUnits. (No functional ↵Eli Friedman2011-12-031-1/+1
| | | | | | change.) llvm-svn: 145753
* Switch the Alignment argument on AggValueSlot over to CharUnits, per John's ↵Eli Friedman2011-12-031-3/+2
| | | | | | review comment. llvm-svn: 145741
* Track alignment in AggValueSlot. No functional change in this patch, but ↵Eli Friedman2011-12-031-15/+23
| | | | | | I'll be introducing uses of the specified alignment soon. llvm-svn: 145736
* Recommit:Eric Christopher2011-10-131-1/+1
| | | | | | | | | | | | | | | Start handling debug line and scope information better: Migrate most of the location setting within the larger API in CGDebugInfo and update a lot of callers. Remove the existing file/scope change machinery in UpdateLineDirectiveRegion and replace it with DILexicalBlockFile usage. Finishes off the rest of rdar://10246360 after fixing a few bugs that were exposed in gdb testsuite testing. llvm-svn: 141893
* Revert file/scope handling patches. gdb testing revealed a couple of bugs.Eric Christopher2011-10-121-1/+1
| | | | llvm-svn: 141796
* Removed extra line in comment.Jim Goodnow II2011-10-121-1/+0
| | | | llvm-svn: 141773
* Start handling debug line and scope information better:Eric Christopher2011-10-111-1/+1
| | | | | | | | | | | Migrate most of the location setting within the larger API in CGDebugInfo and update a lot of callers. Remove the existing file/scope change machinery in UpdateLineDirectiveRegion and replace it with DILexicalBlockFile usage. Finishes off the rest of rdar://10246360 llvm-svn: 141732
* Rename EmitStopPoint in CGDebugInfo to EmitLocation. "stop points" don'tEric Christopher2011-09-291-1/+1
| | | | | | exist anymore. llvm-svn: 140739
* Move all vtable layout data into new VTableLayout classPeter Collingbourne2011-09-261-1/+1
| | | | llvm-svn: 140506
* Move vtable component accessors to VTableContextPeter Collingbourne2011-09-261-1/+2
| | | | llvm-svn: 140504
* Create a VTableContext class and start moving CodeGenVTables methods to itPeter Collingbourne2011-09-261-1/+1
| | | | llvm-svn: 140502
* Only trigger the initialize-an-array-via-elementwise-copy/move codeDouglas Gregor2011-09-221-1/+2
| | | | | | | | generation when we're dealing with an implicitly-defined copy or move constructor. And, actually set the implicitly-defined bit for implicitly-defined constructors and destructors. Should fix self-host. llvm-svn: 140334
* Explicitly-defaulted copy/move constructors are not "implicit", butDouglas Gregor2011-09-221-2/+1
| | | | | | | they still need the logic to cope with array member initialization. Fixes PR10720. llvm-svn: 140302
* PR10304: Do not call destructors for data members from union destructors. ↵Richard Smith2011-09-181-0/+4
| | | | | | | | | Prior to C++11, this has no effect since any such destructors must be trivial, and in C++11 such destructors must not be called. llvm-svn: 139997
* Sorry, that assertion actually already exists.John McCall2011-09-151-2/+0
| | | | llvm-svn: 139770
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