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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
2012-05-01During block layout, after padding up to the max field alignment,John McCall
the alignment might actually exceed the max field alignment; don't assert in this case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Spacing.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Push variable declaration into nested scope (the only place where it is ↵Ted Kremenek
used). Found by static analyzer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Add support for laying out vtordisps according to our currentJohn McCall
working knowledge of the Microsoft ABI. Based on a patch by Dmitry Sokolov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155905 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Abstract the emission of global destructors into ABI-specific codeJohn McCall
and only consider using __cxa_atexit in the Itanium logic. The default logic is to use atexit(). Emit "guarded" initializers in Microsoft mode unconditionally. This is definitely not correct, but it's closer to correct than just not emitting the initializer. Based on a patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Refactor the C++ ABI code a little bit to take advantage ofJohn McCall
what I'm going to treat as basically universal properties of array-cookie code. Implement MS array cookies on top of that. Based on a patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155886 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
2012-04-27Add a missing check in CodeGen of packed classes with vtables. ↵Eli Friedman
<rdar://problem/11324125>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26objective-c IRGen. Fixes a getter synthesis bugFariborz Jahanian
where getter type is super class of its property type, resulting in an assert. // rdar://11323676 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155663 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-26Fix a bug with block layout when the block contains somethingJohn McCall
more aligned than the block header but also contains something smaller than the block-header alignment but not exactly half the difference between the large alignment and the header alignment. Got that? I'm really not sure what I was thinking with the buggy computation here, but the fix is pretty obvious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-24Add a flag to the image info section indicating that the program is compiled forBill Wendling
a simulator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155436 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
2012-04-23Forward declarations should take a context. This helps the debuggerEric Christopher
find forward declarations in the context that the actual definition will occur. rdar://11291658 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-23Revert r155363, due to the underlying patches in LLVM causing regressionChandler Carruth
test suite failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155371 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-23Hexagon V5 (floating point) support in cfe.Sirish Pande
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-22PR12571: Objects of type clang::ConstantArrayType aren't always emitted withRichard Smith
type llvm::ArrayType -- sometimes we emit them as packed structs. Don't assert if such a global array has an element type with a non-trivial destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155305 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-20Fix bug 12574 - Avoid infinite recursion in constructors and destructors ↵Timur Iskhodzhanov
when using Microsoft C++ ABI git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155189 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-19Implements boxed expressions for Objective-C. <rdar://problem/10194391>Patrick Beard
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155082 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-18Revert some Hexagon builtin commits to match reverts done to LLVM inChandler Carruth
r155047. See the LLVM log for the primary motivation: http://llvm.org/viewvc/llvm-project?rev=155047&view=rev Primary commit r154828: - Several issues were raised in review, and fixed in subsequent commits. - Follow-up commits also reverted, and which should be folded into the original before reposting: - r154837: Re-add the 'undef BUILTIN' thing to fix the build. - r154928: Fix build warnings, re-add (and correct) header and license - r154937: Typo fix. Please resubmit this patch with the relevant LLVM resubmission. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155048 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-17Fix case where the alignment is overaligned, per Eli's suggestion.Chad Rosier
rdar://11220251 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-17Make sure EmitMoveFromReturnSlot is passing the correct alignment toChad Rosier
EmitFinalDestCopy (and thus pass EmitAggregateCopy the correct alignment). rdar://11220251 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154883 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
2012-04-16Remove support for -fast-math metadata for the moment.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154851 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Generate fpmath metadata when -ffast-math. Note that no optimizations are hookedDuncan Sands
up to this yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Hexagon V5(Floating Point) support.Sirish Pande
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154828 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Adjust for LLVM name tweaks requested by Chandler.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154824 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Propagate alignment on lvalues through EmitLValueForField. PR12395.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154789 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15Use MDBuilder to help with metadata creation.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15PR12226: don't generate wrong code if a braced string literal is used toRichard Smith
initialize an array of unsigned char. Outside C++11 mode, this bug was benign, and just resulted in us emitting a constant which was double the required length, padded with 0s. In C++11, it resulted in us generating an array whose first element was something like i8 ptrtoint ([n x i8]* @str to i8). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154756 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14Rename "fpaccuracy" metadata to the more generic "fpmath". That's because I'mDuncan Sands
thinking of generalizing it to be able to specify other freedoms beyond accuracy (such as that NaN's don't have to be respected). I'd like the 3.1 release (the first one with this metadata) to have the more generic name already rather than having to auto-upgrade it in 3.2. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154745 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14Add an AttributedStmt type to represent a statement with C++11 attributesRichard Smith
attached. Since we do not support any attributes which appertain to a statement (yet), testing of this is necessarily quite minimal. Patch by Alexander Kornienko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154723 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Don't enter cleanups for unreachable variables. It's impossible toJohn McCall
jump into these scopes, and the cleanup-entering code sometimes wants to do some operations first (e.g. a GEP), which can leave us with unparented IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154684 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Avoid string thrashing when we can concatenate them in the final buffer.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154678 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Step forward with supporting of ARM homogenous aggregates:Anton Korobeynikov
- Handle unions - Handle C++ classes git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Implement __atomic_fetch_nand and __atomic_nand_fetch to complete our set ofRichard Smith
GNU __atomic builtins. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Fix a trivial oversight with apple-kext static local destructorsJohn McCall
and add a test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Implement the missing pieces needed to support libstdc++4.7's <atomic>:Richard Smith
__atomic_test_and_set, __atomic_clear, plus a pile of undocumented __GCC_* predefined macros. Implement library fallback for __atomic_is_lock_free and __c11_atomic_is_lock_free, and implement __atomic_always_lock_free. Contrary to their documentation, GCC's __atomic_fetch_add family don't multiply the operand by sizeof(T) when operating on a pointer type. libstdc++ relies on this quirk. Remove this handling for all but the __c11_atomic_fetch_add and __c11_atomic_fetch_sub builtins. Contrary to their documentation, __atomic_test_and_set and __atomic_clear take a first argument of type 'volatile void *', not 'void *' or 'bool *', and __atomic_is_lock_free and __atomic_always_lock_free have an argument of type 'const volatile void *', not 'void *'. With this change, libstdc++4.7's <atomic> passes libc++'s atomic test suite, except for a couple of libstdc++ bugs and some cases where libc++'s test suite tests for properties which implementations have latitude to vary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Fix some i1/i8 confusion within _Atomic(bool) in IR generation, bothDouglas Gregor
in general (such an atomic has boolean representation) and specifically for IR generation of __c11_atomic_init. The latter also means actually using initialization semantics for this initialization, rather than just creating a store. On a related note, make sure we actually put in non-atomic-to-atomic conversions when performing an implicit conversion sequence. IR generation is far too kind here, but we still want the ASTs to make sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154612 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Implement support for 18 of the GNU-compatible __atomic builtins.Richard Smith
This is not quite sufficient for libstdc++'s <atomic>: we still need __atomic_test_and_set and __atomic_clear, and may need a more complete __atomic_is_lock_free implementation. We are also missing an implementation of __atomic_always_lock_free, __atomic_nand_fetch, and __atomic_fetch_nand, but those aren't needed for libstdc++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154579 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12These functions too have no prototypes. Audited the rest of Sema forEric Christopher
FunctionDecl::Create calls as well. rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12static functions have a need for mangled name debug information too.Eric Christopher
The mangler doesn't like non-prototyped functions so only use a mangled name for prototyped functions. rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154570 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12The copy and destroy helper functions aren't prototyped, don't call themEric Christopher
so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154569 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Provide, and document, a set of __c11_atomic_* intrinsics to implement C11'sRichard Smith
<stdatomic.h> header. In passing, fix LanguageExtensions to note that C11 and C++11 are no longer "upcoming standards" but are now actually standardized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154513 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Make __atomic_init() (soon to be __c11_atomic_init()) work with non-scalar ↵David Chisnall
types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154507 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
2012-04-10For debug and coverage analysis if we're not optimizing go aheadEric Christopher
and emit a relatively empty block for a plain break statement. This enables us to track where we went through a switch. PR9796 & rdar://11215207 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10Express the number of ULPs in fpaccuracy metadata as a real rather than a Duncan Sands
rational number, eg as 2.5 rather than 5, 2. OK'd by Peter Collingbourne. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10EmitStopPoint already checks if we have debug info.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154384 91177308-0d34-0410-b5e6-96231b3b80d8
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