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2011-02-25Revert "SimplifyCFG: GEPs with just one non-constant index are also cheap."Benjamin Kramer
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
2011-02-25Update the NoFolder to work with current IRBuilder.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Add patterns to use post-increment addressing for Neon VST1-lane instructions.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126477 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Fix formatting of debug helper string.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Fix typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126467 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Set NumSignBits to 1 if KnownZero/KnownOne are being zero extended. In theory itCameron Zwarich
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
2011-02-25We only want to zero extend the existing information if the bit width isCameron Zwarich
actually larger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126464 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Try harder to get the hint by preferring to evict hint interference.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126463 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Each prologue may have multiple vpush instructions to store callee-savedEvan Cheng
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
2011-02-24SimplifyCFG: GEPs with just one non-constant index are also cheap.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126452 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Tweak the register allocator priority queue some more.Jakob Stoklund Olesen
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
2011-02-24Remove dead variable.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126450 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24SimplifyCFG: GEPs with constant indices are cheap enough to be executed ↵Benjamin Kramer
unconditionally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126445 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Restore r125595 (reverted in r126336) with modifications:Joerg Sonnenberger
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
2011-02-24remove command line option debugging hook.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126441 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24In utils/TableGen/ClangSACheckersEmitter.cpp, set the 'Hidden' bit for checkers.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126436 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Switch LTO to use MC. This takes the linking of libxul.so from about 7m toRafael Espindola
6m30. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Enable DebugInfo support for COFF object files.Devang Patel
Patch by Nathan Jeffords! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126425 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Enable support for vector sext and trunc:Nadav Rotem
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
2011-02-24Fix llvm-gcc bootstrap with gnu ld.Rafael Espindola
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
2011-02-24Remove obsolete tests.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126402 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Move arch specific tests in arch specific directories.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24fit in 80 cols.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126399 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Do not use DIFactory. Use DIBuilder.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126398 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Do not use DIFactory.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126397 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Add XCore intrinsic for eeu instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126384 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24test/lit.cfg: Add PATHEXT to 'substitution', to recognize tools on Windows ↵NAKAMURA Takumi
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
2011-02-24Rewrite the vector part of getExtendedTypeAction to make it moreDuncan Sands
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
2011-02-24Plug some leaks in edis.Benjamin Kramer
- 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
2011-02-24Merge information about the number of zero, one, and sign bits of live-outCameron Zwarich
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
2011-02-24Add a getNumSignBits() method to APInt.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126379 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Add a mechanism for invalidating the LiveOutInfo of a PHI, and use it wheneverCameron Zwarich
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
2011-02-24Track blocks visited in reverse postorder.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfoCameron Zwarich
and make the actual map private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126376 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Have isel visit blocks in reverse postorder rather than an undefined order. ThisCameron Zwarich
allows for the information propagated across basic blocks to be merged at phis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24wire TargetLibraryInfo into simplify libcalls and use it in a couple ofChris Lattner
trivial places. This pass needs a lot of work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24move a massive amount of code out into its own helper functionChris Lattner
to reduce nesting. This needs to be turned into a table. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24change instcombine to not turn a call to non-varargs bitcast ofChris Lattner
function prototype into a call to a varargs prototype. We do allow the xform if we have a definition, but otherwise we don't want to risk that we're changing the abi in a subtle way. On X86-64, for example, varargs require passing stuff in %al. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Fix bug in X86 folding / unfolding table. Int_CMPSDrm and Int_CMPSSrm memoryEvan Cheng
operands starts at index 2, not 1. rdar://9045024 PR9305 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126359 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Use the same spill slot for all live ranges that descend form the same originalJakob Stoklund Olesen
register. This avoids some silly stack slot shuffling when both sides of a copy get spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Depricate PathV1::isAbsolute.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Use DW_FORM_data2 for DW_AT_language and let users use ↵Devang Patel
DW_LANG_lo_user=0x8000 to DW_LANG_hi_user=0xffff range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Check only relevant strings in output to increase stability of the tests.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Remove file. Previous commit deleted content, but left the file around.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Revert r125595, which is an X86-only undocumented assembly syntax extensionJim Grosbach
enabled for all targets. Non-X86 targets should not have this behavior enabled by default. Joerg, if you would like to resubmit with the behavior conditionalized to be X86-ELF only, that's fine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126336 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Put in the symbol table symbols only used in a .globl statement.Rafael Espindola
Fixes PR9292. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add XCore intrinsic for clre instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enableRichard Osborne
events on the thread and wait until a resource is ready to event. The vector of the resource that is ready is returned. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23It is safe to ignore LastSplitPoint when the variable is not live out.Jakob Stoklund Olesen
No code will be inserted after the split point anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126319 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add XCore intrinsic for the setv instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126315 91177308-0d34-0410-b5e6-96231b3b80d8
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