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2012-01-17Remove constant member pointer support from Expr-based constant emission nowRichard Smith
that APValue-based constant emission knows how to emit member pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148336 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17Enable the new ObjC ARC autorelease pool elimination pass.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17When initializing a catch variable in ARC, be sure to emit retainsJohn McCall
or whatever else is required for the initialization instead of assuming it can be done with a simple store. Fixes PR11732. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17Don't eagerly deserialize the 'Protocol' type when initializing codeDouglas Gregor
generation for Objective-C; it may not be needed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17Remove unnecessary default cases in switches over enums.David Blaikie
This allows -Wswitch-enum to find switches that need updating when these enums are modified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Add support for OpenCL 1.1 logical operations.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Fixes a crash during constant folding of a switch and case Fariborz Jahanian
statement which has an unscoped case inside it. Patch by Aaron Ballman git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Some improvements to the handling of C11 atomic types:David Chisnall
- Add atomic-to/from-nonatomic cast types - Emit atomic operations for arithmetic on atomic types - Emit non-atomic stores for initialisation of atomic types, but atomic stores and loads for every other store / load - Add a __atomic_init() intrinsic which does a non-atomic store to an _Atomic() type. This is needed for the corresponding C11 stdatomic.h function. - Enables the relevant __has_feature() checks. The feature isn't 100% complete yet, but it's done enough that we want people testing it. Still to do: - Make the arithmetic operations on atomic types (e.g. Atomic(int) foo = 1; foo++;) use the correct LLVM intrinsic if one exists, not a loop with a cmpxchg. - Add a signal fence builtin - Properly set the fenv state in atomic operations on floating point values - Correctly handle things like _Atomic(_Complex double) which are too large for an atomic cmpxchg on some platforms (this requires working out what 'correctly' means in this context) - Fix the many remaining corner cases git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148242 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
2012-01-14Remove a redundant word.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148179 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
2012-01-13A base subobject type doesn't make sense for unions; don't try to compute ↵Eli Friedman
it. Based on patch by Yin Ma. Fixes PR11751. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147988 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Take into account the pointer to an aggregate that is passed as a hiddenAkira Hatanaka
argument when Offset is initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Call CodeGenTypes::ConvertType to get LLVM::Type*.Akira Hatanaka
Remove function MipsABIInfo::GetFloatingPointTy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Fixed VLA code generation.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147933 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Remove switch/case statements and call GetFloatingPointTy() instead to get theAkira Hatanaka
floating point type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Flatten float complex arguments. N32/64 requires float complex arguments beAkira Hatanaka
passed in floating point registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Remove space.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Add support for the androideabi environment to our triple support, andChandler Carruth
for the arm-linux-androideabi triple in particular. Also use this to do a better job of selecting soft FP settings. Patch by Evgeniy Stepanov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Contrary to the other BSDs, NetBSD followed the ELF ABI for structureJoerg Sonnenberger
passing on i386 and does not use registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147856 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
2012-01-10Implement the missing pieces of Evaluate for _Complex types. With that ↵Eli Friedman
complete, remove some code from CGExprConstant which is no longer necessary. While I'm here, a couple minor tweaks to _Complex-in-C++. (Specifically, make _Complex types literal types, and don't warn for _Complex int.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10objc++: patch for IRgen for atomic properties ofFariborz Jahanian
c++ objects with non-trivial assignment/copy functions. Also, one additional sema check. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147817 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09Insert padding before unaligned long double arguments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09Move the piece of code up that skips the padding argument. Without this change,Akira Hatanaka
padding insertion will not work if the coerced type is not a structure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147786 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-08objc++: more atomic property api code forFariborz Jahanian
c++ object properties. wip. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147750 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07objc++: More codegen stuff for atomic properties of c++ objectsFariborz Jahanian
with non-trivial copies. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147735 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07Fixed TypeofExpr AST and code generation.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07Add field PaddingType to ABIArgInfo which specifies the type of padding thatAkira Hatanaka
is inserted before the real argument. Padding is needed to ensure the backend reads from or writes to the correct argument slots when the original alignment of a byval structure is unavailable due to flattening. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06objc++: more code gen stuff for atomic property api,Fariborz Jahanian
currently turned off. // rdar://6137845 Also, fixes a test case which should be nonatomic under new API. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Revert r147664; it's breaking clang regression tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147681 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Revert r147655; it's breaking the compiler_rt build on OSX.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147677 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06objc++: some declarations related to atomicFariborz Jahanian
properties of c++ object types with non-trivial assignment copy. Not used yet. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06Silence GCC warnings.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06If we are compiling with -fno-builtin then don't do constant folding ofDavid Chisnall
builtins. This fixes PR11711. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-06objc++: sythesize a helper function to be usedFariborz Jahanian
for copying atomic properties of c++ objects with non-trivial copy assignment in setters/getters. Not yet used. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05Address Richard's review comments on r147561 (Evaluate support for ↵Eli Friedman
address-of-label differences). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147631 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05Fixes a code gen bug for setter code for a property ofFariborz Jahanian
c++ object reference type with trivial copy constructor. This causes an assert crash and bad code gen. when assert is off. // rdar://6137845 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147573 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Add an APValue representation for the difference between two ↵Eli Friedman
address-of-label expressions. Add support to Evaluate and CGExprConstant for generating/handling them. Remove the special-case for such differences in Expr::isConstantInitializer. With that done, remove a bunch of buggy code from CGExprConstant for handling scalar expressions which is no longer necessary. Fixes PR11705. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147561 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04implement rdar://10639962 by keeping track of increased alignment Chris Lattner
information even in subscripting operations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147557 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Restore r147493 and remove the part of the test that was checking the wrong ↵David Chisnall
thing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Have functions return structures smaller than 128-bit in registers if ABIAkira Hatanaka
is either N32 or N64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Revert r147493. It broke test/CodeGenObjC/constant-strings.m.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147511 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Initialise constant Objective-C string isa pointers with a weak reference to ↵David Chisnall
the class, so that they are usable in +load methods if the string class has been compiled with clang - if it's been compiled with GCC, the ABI makes this impossible. (GNU runtimes) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147493 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
2012-01-01Introduce the core infrastructure needed to model redeclaration chainsDouglas Gregor
for Objective-C protocols, including: - Using the first declaration as the canonical declaration - Using the definition as the primary DeclContext - Making sure that all declarations have a pointer to the definition data, and that we know which declaration is the definition - Serialization support for redeclaration chains and for adding definitions to already-serialized declarations. However, note that we're not taking advantage of much of this code yet, because we're still re-using ObjCProtocolDecls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147410 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30Unrevert r147271, reverted in r147361.Richard Smith
Also temporarily remove the assumption from IR gen that we can emit IR for every constant we can fold, since it isn't currently true in C++11, to fix PR11676. Original comment from r147271: constexpr: perform zero-initialization prior to / instead of performing a constructor call when appropriate. Thanks to Eli for spotting this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147384 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-28Small refactoring and simplification of constant evaluation and some of itsRichard Smith
clients. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147318 91177308-0d34-0410-b5e6-96231b3b80d8
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