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path: root/lib/CodeGen/CodeGenModule.cpp
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2012-06-18[MSExtensions] Add support for __forceinline.Michael J. Spencer
__forceinline is a combination of the inline keyword and __attribute__((always_inline)) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-10PR13064: Store whether an in-class initializer uses direct or copyRichard Smith
initialization, and use that information to produce the right kind of initialization during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-06Revert Decl's iterators back to pointer value_type rather than reference ↵David Blaikie
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-28adjust to mainline llvm API change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-20CUDA: add CodeGen support for global variable address spaces.Peter Collingbourne
Because in CUDA types do not have associated address spaces, globals are declared in their "native" address space, and accessed by bitcasting the pointer to address space 0. This relies on address space 0 being a unified address space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157167 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-12Add support for __attribute__((hot)) and __attribute__((cold)).Benjamin Kramer
Currently cold functions are marked with the "optsize" attribute in CodeGen so they are always optimized for size. The hot attribute is just ignored, LLVM doesn't have a way to express hotness at the moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156723 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-04This patch adds a new Clang compiler flag "-gline-tables-only".Alexey Samsonov
It reduces the amount of emitted debug information: 1) DIEs in .debug_info have types DW_TAG_compile_unit, DW_TAG_subprogram, DW_TAG_inlined_subroutine (for opt builds) and DW_TAG_lexical_block only. 2) .debug_str contains only function names. 3) No debug data for types/namespaces/variables is emitted. 4) The data in .debug_line is enough to produce valid stack traces with function names and line numbers. Reviewed by Eric Christopher. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156160 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-30Remove the ref/value inconsistency in filter_decl_iterator.David Blaikie
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) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155808 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-27Use enum to set debug info size generated by ClangAlexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155697 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-24enable TBAA when -fthread-sanitizer is given, even with -O0 or ↵Kostya Serebryany
-relaxed-aliasing git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155430 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Enable debug info for objective c implementations that may not haveEric Christopher
an explicit instance variable. rdar://10590352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Revert r153723, and its follow-ups r153728 and r153733.Chandler Carruth
These patches cause us to miscompile and/or reject code with static function-local variables in an extern-C context. Previously, we were papering over this as long as the variables are within the same translation unit, and had not seen any failures in the wild. We still need a proper fix, which involves mangling static locals inside of an extern-C block (as GCC already does), but this patch causes pretty widespread regressions. Firefox, and many other applications no longer build. Lots of test cases have been posted to the list in response to this commit, so there should be no problem reproducing the issues. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153768 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30Do the static-locals thing properly in the face of unions andJohn McCall
other things which might mess with the variable's type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153733 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-30The UTF16 string referenced by a CFString should go into the __TEXT,__ustringBill Wendling
section. A 'normal' string will go into the __TEXT,__const section, but this isn't good for UTF16 strings. The __ustring section allows for coalescing, among other niceties (such as allowing the linker to easily split up strings). Instead of outputting the UTF16 string as a series of bytes, output it as a series of shorts. The back-end will then nicely place the UTF16 string into the correct section, because it's a mensch. <rdar://problem/10655949> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153710 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-29Fix whitespace.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153698 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-26add tbaa metadata to vtable pointer loads/storesKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153447 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-24Simplify some users of DenseMap::erase.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153389 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-11Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie
(Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Replace MarkVarRequired with a more genericRafael Espindola
HandleCXXStaticMemberVarInstantiation. Suggested by Argyrios. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Fix a small difference in sema and codegen views of what needs to be output.Rafael Espindola
In the included testcase, soma thinks that we already have a definition after we see the out of line decl. Codegen puts it in a deferred list, to be output if a use is seen. This would break when we saw an explicit template instantiation definition, since codegen would not be notified. This patch adds a method to the consumer interface so that soma can notify codegen that this decl is now required. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Reinstate r151879, r151880, reverted in r151922, along with a bugfix forRichard Smith
scalar emission of DeclRefExprs to const bools: emit scalar bools as i1, not as i8. In addition to the extra unit testing, this has successfully bootstrapped. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151955 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Hack in a loud error for PR12086. Better than a silent miscompile.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151586 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25CodeGen support for global variables of type std::initializer_list<X>.Sebastian Redl
This emits a backing array with internal linkage and fills it with data, then has the initializer_list point at the array. Dynamic initialization and global destructors are correctly supported. What doesn't work is nested initializer_lists. I have no idea how to get them to work, either. However, these should be very rare, and so I'll just call it a known bug and declare generalized initializers DONE! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151457 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-18Remove UpdateCompletedType from the debug info emission. We nowEric Christopher
emit less than complete types on purpose on occasion and so our caches aren't useful for this kind of lazy emitting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-17Bug fix: do not emit static const local variables with mutable membersRichard Smith
as constants. Refactor and simplify all the separate checks for whether a type can be emitted as a constant. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150793 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-17When performing IRGen on a global, emit it as a constant if:Richard Smith
1) It has a const-qualified type, and 2) It has no mutable members, and 3) It has no dynamic initialization, and 4) It has trivial destruction. Remove the unnecessary requirement that the type be POD. This allows us to mark all constexpr objects with no mutable members as 'constant'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150792 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-17Whether an argument is required (in contrast with being anJohn McCall
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-16Teach clang to add metadata tags to calls and invokes in ObjC withDan Gohman
-fno-objc-arc-exceptions. This will allow the optimizer to perform optimizations which are only safe under that flag. This is a part of rdar://10803830. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150644 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-13Deal with a horrible C++11 special case. If a non-literal type has a constexprRichard Smith
constructor, and that constructor is used to initialize an object of static storage duration such that all members and bases are initialized by constant expressions, constant initialization is performed. In this case, the object can still have a non-trivial destructor, and if it does, we must emit a dynamic initializer which performs no initialization and instead simply registers that destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150419 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07simplify a bunch of code to use the well-known LLVM IR types computed by ↵Chris Lattner
CodeGenModule. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06build wide strings with ConstantDataArray, just because we can.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06improve the code that handles IR generation of byte-sized string literals to ↵Chris Lattner
avoid allocating an std::string. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06use cheaper llvm APIs for various bits of IR generation.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05reapply the patches reverted in r149477, which enable ConstantDataArray.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149801 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05Basic: import SmallString<> into clang namespaceDylan Noblesmith
(I was going to fix the TODO about DenseMap too, but that would break self-host right now. See PR11922.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-02Move the code that sets the AddressSafetyAlexander Potapenko
attribute into CodeGenModule::SetLLVMFunctionAttributesForDefinition(). Previously it resided in CodeGenModule::GetOrCreateLLVMFunction, which for some reason wasn't called for ObjC class methods, see http://code.google.com/p/address-sanitizer/issues/detail?id=33 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149605 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Revert r149363 which was part a series of commits that were reverted in llvmArgyrios Kyrtzidis
commit 149470. This fixes test/CodeGen/PR3589-freestanding-libcalls.c. Original log: ConstantArray::get() (for strings) is going away, use ConstantDataArray::getString instead. Many instances of ConstantArray::get() could be moved to use more efficient ConstantDataArray methods that avoid a ton of intermediate Constant*'s for each element (e.g. GetConstantArrayFromStringLiteral). I don't plan on doing this in the short-term though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Support @compatibility_alias at run time (GNUstep Runtime)David Chisnall
Patch by Niels Grewe! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149401 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31ConstantArray::get() (for strings) is going away, useChris Lattner
ConstantDataArray::getString instead. Many instances of ConstantArray::get() could be moved to use more efficient ConstantDataArray methods that avoid a ton of intermediate Constant*'s for each element (e.g. GetConstantArrayFromStringLiteral). I don't plan on doing this in the short-term though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24The following patch adds __attribute__((no_address_safety_analysis)) which ↵Kostya Serebryany
will allow to disable address safety analysis (such as e.g. AddressSanitizer or SAFECode) for a specific function. When building with AddressSanitizer, add AddressSafety function attribute to every generated function except for those that have __attribute__((no_address_safety_analysis)). With this patch we will be able to 1. disable AddressSanitizer for a particular function 2. disable AddressSanitizer-hostile optimizations (such as some cases of load widening) when AddressSanitizer is on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20More dead code removal (using -Wunreachable-code)David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148577 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18test svn commit accessSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18Fix a string over-run detected by ASAN.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18Fix special king of typo.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148368 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-14De-virtualize getPreviousDecl() and getMostRecentDecl() when we knowDouglas Gregor
we have a redeclarable type, and only use the new virtual versions (getPreviousDeclImpl() and getMostRecentDeclImpl()) when we don't have that type information. This keeps us from penalizing users with strict type information (and is the moral equivalent of a "final" method). Plus, settle on the names getPreviousDecl() and getMostRecentDecl() throughout. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148187 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-14constexpr irgen: Add irgen support for APValue::Struct, APValue::Union,Richard Smith
APValue::Array and APValue::MemberPointer. All APValue values can now be emitted as constants. Add new CGCXXABI entry point for emitting an APValue MemberPointer. The other entrypoints dealing with constant member pointers are no longer necessary and will be removed in a later change. Switch codegen from using EvaluateAsRValue/EvaluateAsLValue to VarDecl::evaluateValue. This performs caching and deals with the nasty cases in C++11 where a non-const object's initializer can refer indirectly to previously-initialized fields within the same object. Building the intermediate APValue object incurs a measurable performance hit on pathological testcases with huge initializer lists, so we continue to build IR directly from the Expr nodes for array and record types outside of C++11. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10The `-fwritable-strings' flag doesn't make the backing store strings of allBill Wendling
CFStrings writable. The strings (both Unicode and ASCII) should reside in a read-only section. E.g., __TEXT,__cstring instead of __DATA,__data. This is done by making the global variable created for the strings constant despite the value of that flag. <rdar://problem/10657500> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147845 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-01Eliminate ObjCForwardProtocolDecl, which is redundant now thatDouglas Gregor
ObjCProtocolDecl modules forward declarations properly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147415 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-27Eliminate ObjCClassDecl, which is redundant now that ObjCInterfaceDeclDouglas Gregor
covers both declarations (@class) and definitions (@interface) of an Objective-C class. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147299 91177308-0d34-0410-b5e6-96231b3b80d8
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