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* Use MCSectionELF in places we know we have an ELF section.Rafael Espindola2010-11-103-11/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118699 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getValueOperand() and getPointerOperand() on load and storeDan Gohman2010-11-101-12/+13
| | | | | | | instructions instead of hard-coding operand numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118698 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename AccessesArguments and AccessesArgumentsReadonly, and rewriteDan Gohman2010-11-102-9/+10
| | | | | | | their comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118696 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach InstructionSimplify how to look through PHI nodes. Since PHIDuncan Sands2010-11-102-32/+210
| | | | | | | | | | nodes can be used in loops, this could result in infinite looping if there is no recursion limit, so add such a limit. It is also used for the SelectInst case because in theory there could be an infinite loop there too if the basic block is unreachable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118694 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a copy+pasto Duncan noticed.Dan Gohman2010-11-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118693 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a doesAccessArgPointees helper function, and update code to useDan Gohman2010-11-103-23/+33
| | | | | | | it, and to be consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118692 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify and clean up MC symbol lookup for ARM constant pool values. This fixesJim Grosbach2010-11-101-10/+10
| | | | | | | | double quoting of ObjC symbol names in constant pool entries. rdar://8652107 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118688 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the code for testing whether a function accessesDan Gohman2010-11-102-6/+12
| | | | | | | arbitrary memory into a helper function, and adjust some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118687 91177308-0d34-0410-b5e6-96231b3b80d8
* Give NonLocalDepResult a NonLocalDepEntry member, replacingDan Gohman2010-11-101-30/+29
| | | | | | | | indivudal members holding the same data, to clarify the relationship between NonLocalDepResult and NonLocalDepEntry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118686 91177308-0d34-0410-b5e6-96231b3b80d8
* Detect if llvm-gcc is built on dragonegg.Tobias Grosser2010-11-103-7/+121
| | | | | | | Store the flags needed to disable optimizations and to emit LLVM-IR depending on the version of llvm-gcc used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118684 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Whitespace.Michael J. Spencer2010-11-101-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118683 91177308-0d34-0410-b5e6-96231b3b80d8
* System/Path: Update comments to match code.Michael J. Spencer2010-11-101-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118682 91177308-0d34-0410-b5e6-96231b3b80d8
* System/Win32/Path: Implement isSymLink.Michael J. Spencer2010-11-101-1/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118681 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify binary operations where one operand is a select instruction.Duncan Sands2010-11-101-28/+113
| | | | | | | | | | | | | | | | | | The simplifications performed here never create new instructions, they only return existing instructions (or a constant), and so are always a win. In theory they should transform (for example) %z = and i32 %x, %y %s = select i1 %cond, i32 %y, i32 %z %r = and i32 %x, %s into %r = and i32 %x, y but in practice they get into a fight with instcombine, and lose. Unfortunately instcombine does a poor job in this case. Nonetheless I'm committing this transform to make it easier to discuss what to do to make peace with instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118679 91177308-0d34-0410-b5e6-96231b3b80d8
* Win32/Process.inc: [PR8527] Process::FileDescriptorIsDisplayed(fd) should ↵NAKAMURA Takumi2010-11-101-1/+2
| | | | | | | | not check by FILE_TYPE_CHAR. It must be better to check it with Console API. The special file "NUL" is FILE_TYPE_CHAR with GetFileType(h). It was treated as display device and discarding output to NUL had failed. (eg. opt -o nul) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118678 91177308-0d34-0410-b5e6-96231b3b80d8
* There is no EndPtr anymore - reinterpret the original comment in termsDuncan Sands2010-11-101-3/+3
| | | | | | | of InputData. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118677 91177308-0d34-0410-b5e6-96231b3b80d8
* Update ARMConstantPoolValue to not use a modifier string. Use an explicitJim Grosbach2010-11-103-51/+58
| | | | | | | | | VariantKind marker to indicate the additional information necessary. Update MC to handle the new Kinds. rdar://8647623 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118671 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a test to the previous added clo instruction. Patch by Akira againBruno Cardoso Lopes2010-11-101-0/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118668 91177308-0d34-0410-b5e6-96231b3b80d8
* Add clo instruction. Patch by Akira Hatanaka (ahatanaka@mips.com) with some ↵Bruno Cardoso Lopes2010-11-102-8/+12
| | | | | | minor tweaks git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118667 91177308-0d34-0410-b5e6-96231b3b80d8
* When checking that the necessary bits are zero inDale Johannesen2010-11-102-2/+28
| | | | | | | | | order to reduce ((x<<30)>>24) to x<<6, check the correct bits. PR 8547. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118665 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit a '!' if this is a "writeback" register or memory address.Bill Wendling2010-11-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118662 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the LiveRangeEdit::canRematerializeAt() interface a bit.Jakob Stoklund Olesen2010-11-103-27/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118661 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ModRefBehavior a lattice. Use this to clean up AliasAnalysisDan Gohman2010-11-108-74/+71
| | | | | | | chaining and simplify FunctionAttrs' GetModRefBehavior logic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118660 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename a parameter to avoid confusion with a local variableMatt Beaumont-Gay2010-11-101-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118656 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit the warning about the register list not being in ascending order only once.Bill Wendling2010-11-091-5/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118653 91177308-0d34-0410-b5e6-96231b3b80d8
* Jim's recent fixes 118600, 118587, 118513 have made these work.Dale Johannesen2010-11-092-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118652 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed version of 118639 with an extra assert to catch similar problemsRafael Espindola2010-11-097-51/+33
| | | | | | earlier. Implicit bool -> int conversions are evil! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
* s/std::vector/SmallVector/Bill Wendling2010-11-091-12/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118648 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert previous patch. Missed a case.Rafael Espindola2010-11-096-31/+50
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118645 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the allocated vector.Bill Wendling2010-11-091-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118644 91177308-0d34-0410-b5e6-96231b3b80d8
* Define the subtarget feature for the architecture version,Bob Wilson2010-11-091-15/+40
| | | | | | | as derived from the target triple. This is important for enabling features that are implied based on the architecture version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118643 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use MEMBARRIER_MCR for any Thumb code.Bob Wilson2010-11-092-2/+3
| | | | | | | | | It is only supported for ARM code. Normally Thumb2 code would use DMB instead, but depending on how the compiler is invoked (e.g., -mattr=-db) that might be disabled. This prevents a "cannot select MEMBARRIER_MCR" error in that situation. Radar 8644195 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118642 91177308-0d34-0410-b5e6-96231b3b80d8
* Two types of instructions have register lists:Bill Wendling2010-11-091-56/+32
| | | | | | | | | | | | * LDM, et al, uses a bit mask to indicate the register list. * VLDM, et al, uses a base register plus number. The LDM instructions may be non-contiguous, but the VLDM ones must be contiguous. Those are semantic checks that should be done later in the compiler. Also postpone the creation of the bit mask until it's needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118640 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove IsExplicit. It was always false.Rafael Espindola2010-11-096-50/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118639 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the ARMConstantPoolValue modifier string to an enumeration. This willJim Grosbach2010-11-094-17/+42
| | | | | | help in MC'izing the references that use them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118633 91177308-0d34-0410-b5e6-96231b3b80d8
* Adds RABasic verification and tracing.Andrew Trick2010-11-094-16/+158
| | | | | | | (retry now that the windows build is green) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118630 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert comments to doxygen syntax.Dan Gohman2010-11-091-23/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118628 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach FunctionAttrs about the VAArg instruction.Dan Gohman2010-11-092-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118627 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the AliasAnalysis interface to determine how a Function accessesDan Gohman2010-11-091-2/+3
| | | | | | | | memory. This isn't a real improvement with present day AliasAnalysis implementations; it's mainly for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118624 91177308-0d34-0410-b5e6-96231b3b80d8
* VAArg doesn't capture its operand.Dan Gohman2010-11-091-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118623 91177308-0d34-0410-b5e6-96231b3b80d8
* Translate IntrReadArgMem to AccessesArgumentsReadonly.Dan Gohman2010-11-091-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118622 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach AliasAnalysis about AccessesArgumentsReadonly.Dan Gohman2010-11-091-6/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118621 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach LICM and AliasSetTracker about AccessesArgumentsReadonly.Dan Gohman2010-11-092-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118618 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach FunctionAttrs about AccessesArgumentsReadonly.Dan Gohman2010-11-091-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118617 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a trivial virtual dtor to AbstractRegisterDescription to appeaseMatt Beaumont-Gay2010-11-091-0/+11
| | | | | | | -Wnon-virtual-dtor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118616 91177308-0d34-0410-b5e6-96231b3b80d8
* AccessesArgumentsReadonly is read-only.Dan Gohman2010-11-091-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118615 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a AccessesArgumentsReadonly ModRefBehavior value, so that the intrinsicDan Gohman2010-11-091-0/+7
| | | | | | | property IntrReadArgMem can be modeled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118614 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting r118604. Windows build broke.Andrew Trick2010-11-094-165/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118613 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the logic for onlyReadsMemory into a helper function.Dan Gohman2010-11-091-3/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118611 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete AccessesArgumentsAndGlobals, which was unused.Dan Gohman2010-11-091-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118610 91177308-0d34-0410-b5e6-96231b3b80d8
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