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* RegionPrinter: Ignore back edges when layouting the graphTobias Grosser2011-02-271-0/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126564 91177308-0d34-0410-b5e6-96231b3b80d8
* cmake: Add xdot.py support as it already exists in autoconf.Tobias Grosser2011-02-273-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126563 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass the graph to the DOTGraphTraits.getEdgeAttributes().Tobias Grosser2011-02-274-5/+8
| | | | | | This follows the interface of getNodeAttributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126562 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Add llvm::AreStatisticsEnabled().Daniel Dunbar2011-02-262-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126558 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some DAGCombines for (adde 0, 0, glue), which are useful to optimize ↵Benjamin Kramer2011-02-263-37/+64
| | | | | | | | | | | legalized code for large integer arithmetic. 1. Inform users of ADDEs with two 0 operands that it never sets carry 2. Fold other ADDs or ADDCs into the ADDE if possible It would be neat if we could do the same thing for SETCC+ADD eventually, but we can't do that in target independent code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126557 91177308-0d34-0410-b5e6-96231b3b80d8
* LTO uses MC now.Rafael Espindola2011-02-261-24/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126546 91177308-0d34-0410-b5e6-96231b3b80d8
* A new TableGen feature! (Not turned on just yet.)Bill Wendling2011-02-262-0/+250
| | | | | | | | | | | | | | | | | | | | | InstAlias<{alias}, {aliasee}>; The InstAlias instruction should be able to go from the MCInst to the {alias}. All of the information is there to match the MCInst with the {aliasee}. From there, it's a simple matter to emit the {alias}, with the correct operands from the {aliasee}. The code this patch generates can be used by the InstPrinter to automatically print out the alias without having to write special C++ code to handle the situation. This is a WIP, and therefore are several limitations. For instance, it cannot handle AsmOperands at the moment. It also doesn't know what to do when two {alias}es match the same {aliasee}. (Currently, it just ignores those two cases and allows the printInstruction method to handle them.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126538 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed unnecessary dylibs from Apple builds, with or without "lib" prefix.Bob Wilson2011-02-261-2/+3
| | | | | | Radar 9056686 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126534 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new "Embedded" makefile target for Apple-style builds.Bob Wilson2011-02-251-1/+5
| | | | | | This one just installs the default build into a different destination directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126533 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Jim Grosbach2011-02-251-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126526 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix bad comment marker.Stuart Hastings2011-02-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126525 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow targets to specify a the type of the RHS of a shift parameterized on ↵Owen Anderson2011-02-2523-278/+295
| | | | | | the type of the LHS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126518 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some options for building LLVM in different environments:David Greene2011-02-251-21/+55
| | | | | | | | | | | | | | | | | | | --force-configure to force running configure before building. --extra-llvm-config-flags --extra-llvm-gcc-config-flags --extra-gcc-config-flags Pass additional argument to the various configure invocations. This also eliminates a default build flavor because explicitly specifying builds could result in build flavors being run repeatedly. Finally, turn off fortran builds for the moment because install appears to be broken. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126510 91177308-0d34-0410-b5e6-96231b3b80d8
* Omit lto.h from the llvmCore result; henceforth, this will be suppliedStuart Hastings2011-02-251-0/+3
| | | | | | | by clang. Radar 9042056. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126507 91177308-0d34-0410-b5e6-96231b3b80d8
* split this test into arch specific pieces, so the ARMChris Lattner2011-02-252-1/+15
| | | | | | | | test isn't run when the arm backend isn't built. This fixes PR9327 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126500 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll out r126425 and r126450 to see if it fixes the failures on the buildbots.Cameron Zwarich2011-02-2519-133/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126488 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "SimplifyCFG: GEPs with just one non-constant index are also cheap."Benjamin Kramer2011-02-252-6/+4
| | | | | | | Yes, there are other types than i8* and GEPs on them can produce an add+multiply. We don't consider that cheap enough to be speculatively executed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126481 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the NoFolder to work with current IRBuilder.Nick Lewycky2011-02-251-20/+52
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* Add patterns to use post-increment addressing for Neon VST1-lane instructions.Bob Wilson2011-02-254-11/+65
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126477 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix formatting of debug helper string.Jim Grosbach2011-02-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126471 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Evan Cheng2011-02-251-1/+1
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* Set NumSignBits to 1 if KnownZero/KnownOne are being zero extended. In theory itCameron Zwarich2011-02-251-0/+1
| | | | | | | | is possible to do better if the high bit is set in either KnownZero/KnownOne, but in practice NumSignBits is always 1 when we are zero extending because nothing is known about that register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126465 91177308-0d34-0410-b5e6-96231b3b80d8
* We only want to zero extend the existing information if the bit width isCameron Zwarich2011-02-251-1/+1
| | | | | | actually larger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126464 91177308-0d34-0410-b5e6-96231b3b80d8
* Try harder to get the hint by preferring to evict hint interference.Jakob Stoklund Olesen2011-02-252-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126463 91177308-0d34-0410-b5e6-96231b3b80d8
* Each prologue may have multiple vpush instructions to store callee-savedEvan Cheng2011-02-251-2/+14
| | | | | | | | | | | | D registers since the vpush list may not have gaps. Make sure the stack adjustment instruction isn't moved between them. Ditto for vpop in epilogues. Sorry, can't reduce a small test case. rdar://9043312 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126457 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyCFG: GEPs with just one non-constant index are also cheap.Benjamin Kramer2011-02-242-5/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126452 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak the register allocator priority queue some more.Jakob Stoklund Olesen2011-02-241-10/+22
| | | | | | | | | | | | New live ranges are assigned in long -> short order, but live ranges that have been evicted at least once are deferred and assigned in short -> long order. Also disable splitting and spilling for live ranges seen for the first time. The intention is to create a realistic interference pattern from the heavy live ranges before starting splitting and spilling around it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126451 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead variable.Nick Lewycky2011-02-241-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126450 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyCFG: GEPs with constant indices are cheap enough to be executed ↵Benjamin Kramer2011-02-242-0/+25
| | | | | | unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126445 91177308-0d34-0410-b5e6-96231b3b80d8
* Restore r125595 (reverted in r126336) with modifications:Joerg Sonnenberger2011-02-247-2/+58
| | | | | | | | Introduce a variable in the AsmParserExtension whether [] is valid in an expression. If it is true, parse them like (). Enable this for ELF only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126443 91177308-0d34-0410-b5e6-96231b3b80d8
* remove command line option debugging hook.Chris Lattner2011-02-241-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126441 91177308-0d34-0410-b5e6-96231b3b80d8
* In utils/TableGen/ClangSACheckersEmitter.cpp, set the 'Hidden' bit for checkers.Argyrios Kyrtzidis2011-02-241-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126436 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch LTO to use MC. This takes the linking of libxul.so from about 7m toRafael Espindola2011-02-243-129/+35
| | | | | | 6m30. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126426 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable DebugInfo support for COFF object files.Devang Patel2011-02-2419-5/+132
| | | | | | | | Patch by Nathan Jeffords! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126425 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable support for vector sext and trunc:Nadav Rotem2011-02-244-23/+179
| | | | | | | | | | | | Limit the folding of any_ext and sext into the load operation to scalars. Limit the active-bits trunc optimization to scalars. Document vector trunc and vector sext in LangRef. Similar to commit 126080 (for enabling zext). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126424 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix llvm-gcc bootstrap with gnu ld.Rafael Espindola2011-02-241-0/+7
| | | | | | | | | | | The problem was codegen guessing the wrong values and printing .section .eh_frame,"aMS",@progbits,4 It is not clear at all if Codegen should try to guess, MC is the one that should know the default flags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126421 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove obsolete tests.Devang Patel2011-02-242-368/+0
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* Move arch specific tests in arch specific directories.Devang Patel2011-02-247-2/+156
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* fit in 80 cols.Chris Lattner2011-02-241-1/+2
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* Do not use DIFactory. Use DIBuilder.Devang Patel2011-02-241-6/+7
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* Do not use DIFactory.Devang Patel2011-02-241-3/+4
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* Add XCore intrinsic for eeu instruction.Richard Osborne2011-02-243-0/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126384 91177308-0d34-0410-b5e6-96231b3b80d8
* test/lit.cfg: Add PATHEXT to 'substitution', to recognize tools on Windows ↵NAKAMURA Takumi2011-02-241-0/+9
| | | | | | | | hosts. Thanks to Danil Malyshev! Some tests on Windows use the "not" utility and fail with an error "program not executable". The reason for this error is that the name of the executable file sended to the "not" without the extension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126383 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite the vector part of getExtendedTypeAction to make it moreDuncan Sands2011-02-241-20/+34
| | | | | | | | understandable (at least I find it easier to understand like this). No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126382 91177308-0d34-0410-b5e6-96231b3b80d8
* Plug some leaks in edis.Benjamin Kramer2011-02-242-5/+9
| | | | | | | - Don't leak parsed operands during tokenization. - Don't leak printed insts in llvm-mc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126381 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge information about the number of zero, one, and sign bits of live-outCameron Zwarich2011-02-244-1/+168
| | | | | | | registers at phis. This enables us to eliminate a lot of pointless zexts during the DAGCombine phase. This fixes <rdar://problem/8760114>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126380 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a getNumSignBits() method to APInt.Cameron Zwarich2011-02-242-6/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126379 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a mechanism for invalidating the LiveOutInfo of a PHI, and use it wheneverCameron Zwarich2011-02-242-4/+36
| | | | | | a block is visited before all of its predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126378 91177308-0d34-0410-b5e6-96231b3b80d8
* Track blocks visited in reverse postorder.Cameron Zwarich2011-02-243-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126377 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfoCameron Zwarich2011-02-243-20/+35
| | | | | | and make the actual map private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126376 91177308-0d34-0410-b5e6-96231b3b80d8
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