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* [Support][ErrorOr] Add support for convertable types.Michael J. Spencer2013-02-061-42/+94
| | | | | | Thanks to Andrew, David, and Aaron for helping fix this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174552 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for DWARF CFI parsing and dumping in LLVMEli Bendersky2013-02-051-2/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174463 91177308-0d34-0410-b5e6-96231b3b80d8
* Be consistent about the field name - AddressSize, not PointerSize. AddEli Bendersky2013-02-051-9/+11
| | | | | | | a setter and fix some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174462 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[Support][ErrorOr] Add support for convertable types."Andrew Trick2013-02-051-5/+3
| | | | | | | | | This reverts commit a33e1fafac7fedb1b080ef07ddf9ad6ddff3a830. This unit test crashes on Darwon. It needs to be temporarily reverted to unblock the test infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174458 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: ensure proper state in ErrorOr copy ctors before calling 'get'Meador Inge2013-02-051-7/+4
| | | | | | | | | | | Some paths through the copy constructors for 'ErrorOr' were calling 'get' when 'HasError' and 'IsValid' were not properly initialized. Depending on what happened to be in memory for those member variables the asserts in 'get' might incorrectly fire. Fixed by ensuring that the member variables in question are always initialized before calling 'get'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174381 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch that sets the Mips ELF header flag for Jack Carter2013-02-051-1/+2
| | | | | | | | | | MicroMips architectures. Contributer: Zoran Jovanovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174360 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Add support for convertable types.Michael J. Spencer2013-02-051-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174357 91177308-0d34-0410-b5e6-96231b3b80d8
* More MSan/ASan annotations.Evgeniy Stepanov2013-02-041-4/+11
| | | | | | | | | | | | | | | This change lets us bootstrap LLVM/Clang under ASan and MSan. It contains fixes for 2 issues: - X86JIT reads return address from stack, which MSan does not know is initialized. - bugpoint tests run binaries with RLIMIT_AS. This does not work with certain Sanitizers. We are no longer including config.h in Compiler.h with this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174306 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add LLVM_IS_UNALIGNED_ACCESS_FAST.Michael J. Spencer2013-02-031-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174271 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AArch64 as an experimental target.Tim Northover2013-01-311-0/+91
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for AArch64 (ARM's 64-bit architecture) to LLVM in the "experimental" category. Currently, it won't be built unless requested explicitly. This initial commit should have support for: + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions (except the late addition CRC instructions). + CodeGen features required for C++03 and C99. + Compilation for the "small" memory model: code+static data < 4GB. + Absolute and position-independent code. + GNU-style (i.e. "__thread") TLS. + Debugging information. The principal omission, currently, is performance tuning. This patch excludes the NEON support also reviewed due to an outbreak of batshit insanity in our legal department. That will be committed soon bringing the changes to precisely what has been approved. Further reviews would be gratefully received. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174054 91177308-0d34-0410-b5e6-96231b3b80d8
* Annotate BumpPtrAllocator for MemorySanitizer.Evgeniy Stepanov2013-01-311-0/+18
| | | | | | | | This change adds MemorySanitizer annotations to BumpPtrAllocator to improve report quality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174051 91177308-0d34-0410-b5e6-96231b3b80d8
* LLDB uses ConvertUTF16toUTF8, remove #ifdefDmitri Gribenko2013-01-301-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173936 91177308-0d34-0410-b5e6-96231b3b80d8
* Move UTF conversion routines from clang/lib/Basic to llvm/lib/SupportDmitri Gribenko2013-01-301-0/+230
| | | | | | | This is required to use them in TableGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173923 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements runtime ARM specificJack Carter2013-01-301-1/+9
| | | | | | | | | | setting of ELF header e_flags. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173885 91177308-0d34-0410-b5e6-96231b3b80d8
* Add parens to suppress an MSVC 2012 << precedence warningReid Kleckner2013-01-251-1/+1
| | | | | | | It doesn't seem to like instantiating the isUInt<unsigned N> template with 6+3, and then doing <<N. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173507 91177308-0d34-0410-b5e6-96231b3b80d8
* ScheduleDAG: colorize the DOT graph and improve formatting.Andrew Trick2013-01-252-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173431 91177308-0d34-0410-b5e6-96231b3b80d8
* [ELF] Add R_X86_64_IRELATIVE.Michael J. Spencer2013-01-241-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173316 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Don't use nullptr :(Michael J. Spencer2013-01-231-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173212 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Add optimized specialization of ErrorOr<void>.Michael J. Spencer2013-01-231-1/+98
| | | | | | | | ErrorOr<void> represents an operation that returns nothing, but can still fail. It should be used in cases where you need the aditional user data that ErrorOr provides over error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173209 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support][ErrorOr] Make old gcc happy.Michael J. Spencer2013-01-221-1/+1
| | | | | | Apparently this is how C++98 worked pre-DR. (Thanks Richard). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173203 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix truncation of relocation types in Support/ELF.hTim Northover2013-01-221-14/+14
| | | | | | | This is a follow-up to r171845, which fixes the same issue in the Support code. Only targets with >256 relocations (principally AArch64) should be affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173151 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Compiler.h: MSC1600, aka VS2010, is not C++11-ready.NAKAMURA Takumi2013-01-211-2/+2
| | | | | | | LLVM_HAS_CXX11_TYPETRAITS -- std::is_constructible LLVM_HAS_CXX11_STDLIB -- std::unique_ptr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172997 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Port ErrorOr<T> from lld to C++03.Michael J. Spencer2013-01-203-0/+373
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172991 91177308-0d34-0410-b5e6-96231b3b80d8
* This is a resubmittal. For some reason it broke the bots yesterdayJack Carter2013-01-181-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. Support for Mips register information sections. Mips ELF object files have a section that is dedicated to register use info. Some of this information such as the assumed Global Pointer value is used by the linker in relocation resolution. The register info file is .reginfo in o32 and .MIPS.options in 64 and n32 abi files. This patch contains the changes needed to create the sections, but leaves the actual register accounting for a future patch. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172847 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting back to the fallback instead of using the 64-bit popcnt ↵Aaron Ballman2013-01-171-2/+0
| | | | | | instruction as it doesn't exist on all x64 CPU architectures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172751 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting back to the fallback instead of using popcnt; this instruction ↵Aaron Ballman2013-01-171-2/+0
| | | | | | doesn't exist on all CPU architectures. Fixes PR14982 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172734 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrapping __popcnt64 for MSVC so that it's only used on 64-bit builds.Aaron Ballman2013-01-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172670 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Include the intrisics header and check for definition properly.Michael J. Spencer2013-01-161-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172655 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add MSVC intrinsic for CountPopulation.Michael J. Spencer2013-01-161-0/+4
| | | | | | Patch by Jakub Staszak. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172645 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Update MSVC compiler support in Compiler.h.Michael J. Spencer2013-01-161-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172644 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce llvm::sys::getProcessTriple() function.Peter Collingbourne2013-01-161-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | In r143502, we renamed getHostTriple() to getDefaultTargetTriple() as part of work to allow the user to supply a different default target triple at configure time. This change also affected the JIT. However, it is inappropriate to use the default target triple in the JIT in most circumstances because this will not necessarily match the current architecture used by the process, leading to illegal instruction and other such errors at run time. Introduce the getProcessTriple() function for use in the JIT and its clients, and cause the JIT to use it. On architectures with a single bitness, the host and process triples are identical. On other architectures, the host triple represents the architecture of the host CPU, while the process triple represents the architecture used by the host CPU to interpret machine code within the current process. For example, when executing 32-bit code on a 64-bit Linux machine, the host triple may be 'x86_64-unknown-linux-gnu', while the process triple may be 'i386-unknown-linux-gnu'. This fixes JIT for the 32-on-64-bit (and vice versa) build on non-Apple platforms. Differential Revision: http://llvm-reviews.chandlerc.com/D254 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172627 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add LLVM_CONSTEXPR.Michael J. Spencer2013-01-151-0/+6
| | | | | | Marks a decl as constexpr if the compiler supports it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172508 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant 'llvm::' qualificationsDmitri Gribenko2013-01-131-17/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172358 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new portability macro LLVM_FUNCTION_NAME, that expands to __func__, ifDmitri Gribenko2013-01-111-0/+9
| | | | | | | supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172156 91177308-0d34-0410-b5e6-96231b3b80d8
* Add basic fix-its to SMDiagnostic.Jordan Rose2013-01-101-11/+59
| | | | | | | | | | | | | Like Clang's FixItHint, SMFixIt represents an insertion, replacement, or removal of source text. One or more fix-its can be emitted as part of a diagnostic, and will be printed below the source range line to show the user how they can fix their code. Currently, the only client of SMFixIt is clang-tblgen; thus, the tests for this behavior live in clang/test/TableGen/tg-fixits.td. If/when SMFixIt is adopted within LLVM itself, those tests should be moved to the LLVM suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172086 91177308-0d34-0410-b5e6-96231b3b80d8
* Signal.h: Add <cstdio> for FILE*, since r171989.NAKAMURA Takumi2013-01-101-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172044 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a race condition in the lock-file manager: once the lock file isDouglas Gregor2013-01-101-0/+1
| | | | | | | gone, check for the actual file we care about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172033 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix include guards so they exactly match file names.Jakub Staszak2013-01-1040-84/+84
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the internal PrintStackTrace function that is used for ↵Argyrios Kyrtzidis2013-01-091-0/+3
| | | | | | | | llvm::sys::PrintStackTraceOnErrorSignal(), into a new function llvm::sys::PrintStackTrace, so that it's available to clients for logging purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171989 91177308-0d34-0410-b5e6-96231b3b80d8
* PowerPC: EH adjustmentsAdhemerval Zanella2013-01-091-0/+1
| | | | | | | | | | | This patch adjust the r171506 to make all DWARF enconding pc-relative for PPC64. It also adds the R_PPC64_REL32 relocation handling in MCJIT (since the eh_frame will not generate PIC-relative relocation) and also adds the emission of stubs created by the TTypeEncoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171979 91177308-0d34-0410-b5e6-96231b3b80d8
* add hexagon flags in ELF.hShankar Easwaran2013-01-091-2/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171977 91177308-0d34-0410-b5e6-96231b3b80d8
* Incrase the number of parameters for AlignedCharArrayUnion.Manuel Klimek2013-01-091-10/+13
| | | | | | We need this to correctly fix ASTMatchers/ASTTypeTraits.h in clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171965 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix memory leak in YAML I/O.Nick Kledzik2013-01-081-4/+11
| | | | | | | | | Stop using BumpPtrAllocator for HNodes because they have fields (vector, map) which require HNode destructors to be run. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171896 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the llvm-local DW_TAG_vector_type tag and add a test toEric Christopher2013-01-081-2/+0
| | | | | | make sure that vector types do work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171833 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove what appears to be a dead llvm-specific debug tag.Eric Christopher2013-01-081-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171821 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SMRange to be half-open (exclusive end) instead of closed (inclusive)Jordan Rose2013-01-072-5/+7
| | | | | | | | | | This is necessary not only for representing empty ranges, but for handling multibyte characters in the input. (If the end pointer in a range refers to a multibyte character, should it point to the beginning or the end of the character in a char array?) Some of the code in the asm parsers was already assuming this anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171765 91177308-0d34-0410-b5e6-96231b3b80d8
* When code size is the priority (Oz, MinSize attribute), help llvmQuentin Colombet2013-01-071-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | turning a code like this: if (foo) free(foo) into that: free(foo) Move a call to free from basic block FB into FB's predecessor, P, when the path from P to FB is taken only if the argument of free is not equal to NULL. Some restrictions apply on P and FB to be sure that this code motion is profitable. Namely: 1. FB must have only one predecessor P. 2. FB must contain only the call to free plus an unconditional branch to S. 3. P's successors are FB and S. Because of 1., we will not increase the code size when moving the call to free from FB to P. Because of 2., FB will be empty after the move. Because of 2. and 3., P's branch instruction becomes useless, so as FB (simplifycfg will do the job). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171762 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an ArrayRecycler class.Jakob Stoklund Olesen2013-01-051-0/+143
| | | | | | | | This is similar to the existing Recycler allocator, but instead of recycling individual objects from a BumpPtrAllocator, arrays of different sizes can be allocated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171581 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide a default constructor for TimeValue. This was used, but only inChandler Carruth2013-01-051-0/+3
| | | | | | | if-ed out code paths and on Windows. Hopefully restores the Windows build. Thanks to Reid Kleckner for helping triage this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171568 91177308-0d34-0410-b5e6-96231b3b80d8
* Add time getters to the process interface for requesting the elapsedChandler Carruth2013-01-041-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wall time, user time, and system time since a process started. For walltime, we currently use TimeValue's interface and a global initializer to compute a close approximation of total process runtime. For user time, this adds support for an somewhat more precise timing mechanism -- clock_gettime with the CLOCK_PROCESS_CPUTIME_ID clock selected. For system time, we have to do a full getrusage call to extract the system time from the OS. This is expensive but unavoidable. In passing, clean up the implementation of the old APIs and fix some latent bugs in the Windows code. This might have manifested on Windows ARM systems or other systems with strange 64-bit integer behavior. The old API for this both user time and system time simultaneously from a single getrusage call. While this results in fewer system calls, it also results in a lower precision user time and if only user time is desired, it introduces a higher overhead. It may be worthwhile to switch some of the pass timers to not track system time and directly track user and wall time. The old API also tracked walltime in a confusing way -- it just set it to the current walltime rather than providing any measure of wall time since the process started the way buth user and system time are tracked. The new API is more consistent here. The plan is to eventually implement these methods for a *child* process by using the wait3(2) system call to populate an rusage struct representing the whole subprocess execution. That way, after waiting on a child process its stats will become accurate and cheap to query. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171551 91177308-0d34-0410-b5e6-96231b3b80d8
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