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2012-10-08Move TargetData to DataLayout.Micah Villmow
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165395 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-06Expose __builtin_bswap16.Benjamin Kramer
GCC has always supported this on PowerPC and 4.8 supports it on all platforms, so it's a good idea to expose it in clang too. LLVM supports this on all targets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Propagate calling convention for aliases and weakrefs.Alex Rosenberg
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-05Make sure to generate the right kind of MDNode for enum forward declarations.Eli Friedman
PR14029, clang part. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04If we flow off the end of a value-returning function:Richard Smith
- outside C++, return undef (behavior is not undefined unless the value is used) - in C++, with -fcatch-undefined-behavior, perform an appropriate trap - in C++, produce an 'unreachable' (behavior is undefined immediately) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-04Fail early with a clear assert if an operation with multiple uses somehow endsLang Hames
up being contracted during codegen. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Always initialize FPContractable.Benjamin Kramer
false is used as a baseline here, we may want to allow contraction in some of the cases. Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165156 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03This patch enables general varargs support for the 64-bit PPC SVR4 ABI.Bill Schmidt
Most of the pieces for this were already in place, but a proper EmitVAArg is needed for aggregates and complex numbers to be handled. Although the va_list for 64-bit PowerPC SVR4 consists of GPRs 3 through 10 together with the overflow portion of the parameter save area, we can treat va_list as pointing to contiguous memory for all parameters, since the back end forces the parameter GPRs to memory for varargs functions. There is no need at this time to model parameters and return values beyond what the DefaultABIInfo provides. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-03Teach getCXXRecordDeclForPointerType about references.Jordan Rose
Then, rename it getPointeeCXXRecordDecl and give it a nice doc comment, and actually use it. No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-02Add FP_CONTRACT support for clang.Lang Hames
Clang will now honor the FP_CONTRACT pragma and emit LLVM fmuladd intrinsics for expressions of the form A * B + C (when they occur in a single statement). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-30CodeGen: Copy tail padding when we're not dealing with a trivial copy assign ↵Benjamin Kramer
or move assign operator. This fixes a regression from r162254, the optimizer has problems reasoning about the smaller memcpy as it's often not safe to widen a store but making it smaller is. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add Clang support for iOS6.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-29Add an FMA intrinsic for ARM Neon.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28PR13941: Mark all virtual functions as unnamed_addr. It's not possible toRichard Smith
observe their addresses (taking their address gives the vtable slot) so we are free to merge their definitions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-28Add basic support for adding !tbaa.struct metadata on llvm.memcpy calls forDan Gohman
struct assignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. ↵Sylvestre Ledru
See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164766 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-27Fix a typo 'iff' => 'if'Sylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164766 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Update to new function attribute querying syntax.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164726 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-26Add codegen support for the __debugbreak intrinsic.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164660 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25When performing a ::delete of an object with a virtual destructor,John McCall
be sure to delete the complete object pointer, not the original pointer. This is necessary if the base being deleted is at a non-zero offset in the complete object. This is only required for objects with virtual destructors because deleting an object via a base-class subobject when the base does not have a virtual destructor is undefined behavior. Noticed while reviewing the last four years of cxx-abi-dev activity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164597 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25In the MS ABI, ctors return 'this'. Patch by Dmitry Sokolov.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164592 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-25During jump-scope checking, build an ExprWithCleanups immediatelyJohn McCall
into the enclosing scope; this is a more accurate model but is (I believe) unnecessary in my test case due to other flaws. However, one of those flaws is now intentional: blocks which appear in return statements can be trivially observed to not extend in lifetime past the return, and so we can allow a jump past them. Do the necessary magic in IR-generation to make this work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164589 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Mark the passed in "self" for a block as an object pointer soEric Christopher
that the backend can mark it as the representative pointer for the block. rdar://12001329 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164418 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Call CGM.SetLLVMFunctionAttributesForDefinition on thunks so that they getRafael Espindola
attributes like uwtable. Without uwtable a stack unwinder would be unable to go past the thunks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Update for encapsulating the "construct*AlignmentFromInt" methods.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164374 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21ARM: Use a dedicated intrinsic for vector bitwise select.Jim Grosbach
The expression based expansion too often results in IR level optimizations splitting the intermediate values into separate basic blocks, preventing the formation of the VBSL instruction as the code author intended. In particular, LICM would often hoist part of the computation out of a loop. rdar://11011471 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-21Tidy up. Trailing whitespace and 80 columns.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Grammar.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Update and expand comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164254 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Handle a captured this for the debug information as well.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164253 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Fix awkward comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Update clang for API change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164218 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Fix includes of llvm and clang files that used angle brackets.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Fix thunk emission for covariant virtual functions in cases which requireEli Friedman
both a virtual and a non-virtual offset. PR13832. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163866 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Fix line endings.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163865 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Reapply:Eric Christopher
Make clang emit a flag for DW_AT_object_pointer for the artificial args where it should (implicit first arguments). FileCheck-ize a test as well and update tests to take into account the object pointer flag. rdar://9797999 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163755 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Revert "Make clang emit a flag for DW_AT_object_pointer for the artificial"Eric Christopher
this should be done on the subprogram, not the variable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163733 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Make clang emit a flag for DW_AT_object_pointer for the artificialEric Christopher
args where it should (implicit first arguments). FileCheck-ize a test as well and update tests to take into account the object pointer flag. rdar://9797999 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-11Remove some redundancy from constant aggregate emission. No functionality ↵Richard Smith
change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163595 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-11Update comment and space.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163586 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-11The type of the self and cmd variables should be artificial. (NoteEric Christopher
that the types aren't artificial the args are, but this is currently represented by an artificial type.) Found by inspection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163585 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-10Remove redundant semicolons which are null statements.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-08When a bad UTF-8 encoding or bogus escape sequence is encountered in aRichard Smith
string literal, produce a diagnostic pointing at the erroneous character range, not at the start of the literal. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163459 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-08-fcatch-undefined-behavior: Factor emission of the creation of, and branch to,Richard Smith
the trap BB out of the individual checks and into a common function, to prepare for making this code call into a runtime library. Rename the existing EmitCheck to EmitTypeCheck to clarify it and to move it out of the way of the new EmitCheck. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163451 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07In ARC, if we're emitting assembly markers for calls toJohn McCall
objc_retainAutoreleasedReturnValue, we need to also be killing them during return peepholing. Make sure we recognize an intervening bitcast, but more importantly, assert if we can't find the asm marker at all. rdar://problem/12133032 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Use custom ABIInfo for le32/PNaCl argument codegenDerek Schuff
This patch uses a new ABIInfo implementation specific to the le32 target, rather than falling back to DefaultABIInfo. Its behavior is basically the same, but it also allows the regparm argument attribute. It also includes basic tests for argument codegen and attributes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163333 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Fixing the return type information for objc_sync_enter and objc_sync_exit. ↵Aaron Ballman
Patch thanks to Joe Ranieri! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163330 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Dont cast away const needlessly. Found by gcc48 -Wcast-qual.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Update for r163231.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163232 91177308-0d34-0410-b5e6-96231b3b80d8
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