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* Enhance alias analysis for atomic instructions a bit. Upgrade a couple ↵Eli Friedman2011-09-261-8/+4
| | | | | | alias-analysis tests to the new atomic instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140557 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix emission of debug data for global variables. getContext() on ↵James Molloy2011-09-261-0/+11
| | | | | | DIGlobalVariables is not valid any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140539 91177308-0d34-0410-b5e6-96231b3b80d8
* Add target hook for pseudo instruction expansion.Jakob Stoklund Olesen2011-09-252-0/+18
| | | | | | | | | | | | Many targets use pseudo instructions to help register allocation. Like the COPY instruction, these pseudos can be expanded after register allocation. The early expansion can make life easier for PEI and the post-ra scheduler. This patch adds a hook that is called for all remaining pseudo instructions from the ExpandPostRAPseudos pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140472 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up code after renaming LowerSubregs -> ExpandPostRAPseudos.Jakob Stoklund Olesen2011-09-251-4/+3
| | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140470 91177308-0d34-0410-b5e6-96231b3b80d8
* sys::Process: Add a SetWorkingDirectory method.Daniel Dunbar2011-09-231-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140433 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getTreeFactory() to ImmutableSet to allow construction of ↵Anna Zaks2011-09-231-0/+4
| | | | | | ImmutableSetRef from an ImmutableSet object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140402 91177308-0d34-0410-b5e6-96231b3b80d8
* We're no longer going to bother supporting platforms that don'tEric Christopher2011-09-232-6/+0
| | | | | | | | support C89. We probably didn't support them anyways. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140361 91177308-0d34-0410-b5e6-96231b3b80d8
* Start stubbing out MCModule and MCAtom, which provide an API for accessing ↵Owen Anderson2011-09-222-0/+133
| | | | | | | | | the rich disassembly of a complete object or executable. These are very much a work in progress, and not really useful yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140345 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a MinNumRegs argument to MRI::constrainRegClass().Jakob Stoklund Olesen2011-09-221-3/+5
| | | | | | | | | | | The function will refuse to use a register class with fewer registers than MinNumRegs. This can be used by clients to avoid accidentally increase register pressure too much. The default value of MinNumRegs=0 doesn't affect how constrainRegClass() works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140339 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower ARM adds/subs to add/sub after adding optional CPSR operand.Andrew Trick2011-09-211-1/+7
| | | | | | | | | | | | | | This is still a hack until we can teach tblgen to generate the optional CPSR operand rather than an implicit CPSR def. But the strangeness is now limited to the selection DAG. ADD/SUB MI's no longer have implicit CPSR defs, nor do we allow flag setting variants of these opcodes in machine code. There are several corner cases to consider, and getting one wrong would previously lead to nasty miscompilation. It's not the first time I've debugged one, so this time I added enough verification to ensure it won't happen again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140228 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Add equality operators and default constructor to DILineInfo.Benjamin Kramer2011-09-211-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140223 91177308-0d34-0410-b5e6-96231b3b80d8
* Use ArrayRef instead of an explicit 'const std::vector &'.Bill Wendling2011-09-201-5/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140172 91177308-0d34-0410-b5e6-96231b3b80d8
* Restore hasPostISelHook tblgen flag.Andrew Trick2011-09-201-0/+8
| | | | | | | | | | | No functionality change. The hook makes it explicit which patterns require "special" handling. i.e. it self-documents tblgen deficiencies. I plan to add verification in ExpandISelPseudos and Thumb2SizeReduce to catch any missing hasPostISelHooks. Otherwise it's too fragile. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140160 91177308-0d34-0410-b5e6-96231b3b80d8
* Add mips64 & mips64el to Triple. Patch by Liu with modifications.Akira Hatanaka2011-09-201-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140157 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config/llvm-config.h.in: Add the entry LLVM_PATH_XDOT_PY, for ↵NAKAMURA Takumi2011-09-201-0/+3
| | | | | | consistency against llvm-config.h.cmake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140137 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config: Reorder LLVM_HAS_ATOMICS along config.h.in for consistency.NAKAMURA Takumi2011-09-203-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140136 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/Config/config.h.cmake: Unbreak CMake build to tweak ↵NAKAMURA Takumi2011-09-202-2/+2
| | | | | | LLVM_HAS_ATOMICS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140135 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM isel bug fix for adds/subs operands.Andrew Trick2011-09-201-8/+0
| | | | | | | | | | | | Modified ARMISelLowering::AdjustInstrPostInstrSelection to handle the full gamut of CPSR defs/uses including instructins whose "optional" cc_out operand is not really optional. This allowed removal of the hasPostISelHook to simplify the .td files and make the implementation more robust. Fixes rdar://10137436: sqlite3 miscompile git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140134 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove more of llvmc and dependencies.Eric Christopher2011-09-209-763/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140121 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate configure.Eric Christopher2011-09-191-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140065 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename LLVM_MULTITHREADED define and fix build without threads.Eric Christopher2011-09-194-8/+8
| | | | | | Patch by Arrowdodger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140064 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ImmutableMapRef and ImmutableSetRef, which consolidate ↵Ted Kremenek2011-09-162-0/+286
| | | | | | Immutable[Map,Set] and its Factory. This may eventually replace Immtuable[Map,Set]. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139967 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attach annotations to MCInst's. Instead, have the disassembler ↵Owen Anderson2011-09-153-19/+9
| | | | | | return, and the printer accept, an annotation string which can be passed through if the client cares about annotations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139876 91177308-0d34-0410-b5e6-96231b3b80d8
* use 64-bit types instead of off_t/size_t to avoid the issue whenIvan Krasin2011-09-151-3/+3
| | | | | | | | | | gold plugin is built with Large File Support (sizeof(off_t) == 64 on i686) and the rest of LLVM is built w/o Large File Support (sizeof(off_t) == 32 on i686) which corrupts the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139873 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak the build for compilers that don't include cstdint everywhere.Benjamin Kramer2011-09-151-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139868 91177308-0d34-0410-b5e6-96231b3b80d8
* CommandLine: Add support for 64 bit unsigned integer options.Benjamin Kramer2011-09-151-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139848 91177308-0d34-0410-b5e6-96231b3b80d8
* DWARF: Put all the pieces we have together and provide a single accessor to ↵Benjamin Kramer2011-09-151-1/+17
| | | | | | DIContext that provides line information when given an address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139836 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for stored annotations to MCInst, and provide facilities for ↵Owen Anderson2011-09-152-1/+17
| | | | | | MC-based InstPrinters to print them out. Enhance the ARM and X86 InstPrinter's to do so in verbose mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139820 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getPrevSlot() instead of getPrevIndex().Jakob Stoklund Olesen2011-09-151-1/+1
| | | | | | | | The getPrevIndex() function moves to the same slot in the previous instruction. For getVNInfoBefore(), we just need the previous slot in the same instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139793 91177308-0d34-0410-b5e6-96231b3b80d8
* Despite what the GCC wiki says, a quick search shows thatNick Lewycky2011-09-151-1/+1
| | | | | | | | | DW_AT_GNU_template_name = 0x2110, not 0x2108. That would explain those attr #0x2110 under the DW_TAG_GNU_template_template_param I'm seeing. Migrate from documented values to reality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139785 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some more DWARF extensions from:Nick Lewycky2011-09-151-1/+27
| | | | | | | | 1. http://gcc.gnu.org/wiki/TemplateParmsDwarf 2. ftp://ftp.software.ibm.com/software/os390/czos/dwarf/mips_extensions.pdf git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139784 91177308-0d34-0410-b5e6-96231b3b80d8
* Stop verifying hasPHIKill() flags.Jakob Stoklund Olesen2011-09-151-0/+1
| | | | | | | | | | There is only one legitimate use remaining, in addIntervalsForSpills(). All other calls to hasPHIKill() are only used to update PHIKill flags. The addIntervalsForSpills() function is part of the old spilling framework, only used by linearscan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139783 91177308-0d34-0410-b5e6-96231b3b80d8
* Leave hasPHIKill flags alone in LiveInterval::RenumberValues.Jakob Stoklund Olesen2011-09-151-1/+0
| | | | | | | | | | | It is conservatively correct to keep the hasPHIKill flags, even after deleting PHI-defs. The calculation can be very expensive after taildup has created a quadratic number of indirectbr edges in the CFG, and the hasPHIKill flag isn't used for anything after RenumberValues(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139780 91177308-0d34-0410-b5e6-96231b3b80d8
* Update Dwarf enums list for DWARF 4.Nick Lewycky2011-09-151-1/+17
| | | | | | | Note that DW_TAG_rvalue_reference_type is officially 0x42, not 0x41. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139779 91177308-0d34-0410-b5e6-96231b3b80d8
* [regcoalescing] bug fix for RegistersDefinedFromSameValue.Andrew Trick2011-09-151-0/+8
| | | | | | | | An improper SlotIndex->VNInfo lookup was leading to unsafe copy removal. Fixes PR10920 401.bzip2 miscompile with no IV rewrite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139765 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the comment for system_temp_directory() to indicate when itDouglas Gregor2011-09-141-1/+4
| | | | | | | | will ignore the erasedOnReboot option, and properly escape the backslash in "C:\TEMP". Thanks to Aaron and Francois. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139755 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to emit debug info for C++0x nullptr type.Devang Patel2011-09-141-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139751 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a simple routine to determine the typical system directory forDouglas Gregor2011-09-141-1/+9
| | | | | | | temporary data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139725 91177308-0d34-0410-b5e6-96231b3b80d8
* Move state var to private class member.Jim Grosbach2011-09-141-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139697 91177308-0d34-0410-b5e6-96231b3b80d8
* Add APInt support for converting to/from hexatridecimal stringsDouglas Gregor2011-09-141-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139695 91177308-0d34-0410-b5e6-96231b3b80d8
* Object: make the following changes into SymbolRefBenjamin Kramer2011-09-142-0/+31
| | | | | | | | | | | - Add enum SymbolType and function getSymbolType() - Add function isGlobal() - it's returns true for symbols that can be used in another objects, such as library functions. - Rename function getAddress() to getOffset() and add new function getAddress(), because currently getAddress() returns section offset of symbol first byte. new getAddress() return symbol address. - Change usage SymbolRef::getAddress() to getOffset() in tools/llvm-nm and tools/llvm-objdump. Patch by Danil Malyshev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139683 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unimplemented function prototypes from PathV2. They can be readded ↵Benjamin Kramer2011-09-141-144/+6
| | | | | | | | when someone cares enough. Patch by Aaron Ballman! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139682 91177308-0d34-0410-b5e6-96231b3b80d8
* ObjectFile: Add support for mach-o-style dSYM companion files.Benjamin Kramer2011-09-141-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139676 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indenting.Eric Christopher2011-09-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139670 91177308-0d34-0410-b5e6-96231b3b80d8
* First step in supporting #line directives in assembler. This step parses theKevin Enderby2011-09-131-0/+1
| | | | | | | | | | #line directives with the needed support in the lexer. Next will be to build a simple file/line# table mapping source SMLoc's for later use by diagnostics. And the last step will be to get the diagnostics to use the mapping for file and line numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139669 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove include of header that doesn't exist (yet).Benjamin Kramer2011-09-131-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139629 91177308-0d34-0410-b5e6-96231b3b80d8
* Sketch out a DWARF parser.Benjamin Kramer2011-09-131-0/+42
| | | | | | | | | | This introduces a new library to LLVM: libDebugInfo. It will provide debug information parsing to LLVM. Much of the design and some of the code is taken from the LLDB project. It also contains an llvm-dwarfdump tool that can dump the abbrevs and DIEs from an object file. It can be used to write tests for DWARF input and output easily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139627 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the DataExtractor utility class.Benjamin Kramer2011-09-131-0/+352
| | | | | | | | | | It is an endian-aware helper that can read data from a StringRef. It will come in handy for DWARF parsing. This class is inspired by LLDB's DataExtractor, but is stripped down to the bare minimum needed for DWARF. Comes with unit tests! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139626 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch extendInBlock() to take a kill slot instead of the last use slot.Jakob Stoklund Olesen2011-09-131-4/+4
| | | | | | | Three out of four clients prefer this interface which is consistent with extendIntervalEndTo() and LiveRangeCalc::extend(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139604 91177308-0d34-0410-b5e6-96231b3b80d8
* Maintain hexadecimal order.Devang Patel2011-09-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139601 91177308-0d34-0410-b5e6-96231b3b80d8
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