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2010-11-27Add NEON VLD1-dup instructions (load 1 element to all lanes).Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120194 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27Fix incorrect scheduling itineraries for NEON vld1/vst1 instructions.Bob Wilson
I added these instructions recently but I have no idea where these "1" values in the NextCycles field came from. As far as I can tell now, these instruction stages are clearly intended to overlap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120193 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27MC/Mach-O: Start stubbing out a Mach-O object file wrapper.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120190 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27Reduce nesting.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120189 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27MC/Mach-O: Migrate more constants into MachOFormat.h.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27MC/Mach-O: Switch to using MachOFormat.h.Daniel Dunbar
- I'm leaving MachO.h, because I believe it has external consumers, but I would really like to eliminate it (we have stylistic disagreements with one another). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120187 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27MC/Mach-O: Introduce Object/MachOFormat for describing purely platform / machineDaniel Dunbar
independent information on the Mach object format, and move some stuff from MachObjectWriter.cpp there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120186 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-26Remove the unused TheTarget member.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-26Fix Whitespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120166 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-26Move tree navigation to a new Path class that doesn't have to be a template.Jakob Stoklund Olesen
The path also holds a reference to the root node, and that allows important iterator accessors like start() and stop() to have no conditional code. (When the compiler is clever enough to remove it.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120165 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-25Use multiple 0x66 prefixes so that all nops up to 15 bytes are a single ↵Rafael Espindola
instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-25Namespacify.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120146 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-25Factor some code to parseSectionFlags and fix the default type of a section.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120145 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Treat a call of function pointer like a load of the pointer when consideringNick Lewycky
whether the pointer can be replaced with the global variable it is a copy of. Fixes PR8680. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120126 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Behave a bit more like gnu as and use the symbol (instead of the section)Rafael Espindola
for any relocation to a symbol defined in a tls section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Relocate with the symbol if the relocation is of kind NTPOFF.Rafael Espindola
Patch by David Meyer, I added the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120104 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Fix and add tests for all cases in x86 and x86_64 where gnu as implicitlyRafael Espindola
sets the type of a symbol to STT_TLS. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120100 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Updating MBlaze .mask and .frame directives to match GCC's output and fixing ↵Wesley Peck
regression introduced in 120095 by checking MCStreamer::hasRawTextSupport. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120097 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-241. Fixing error where basic block labels were not being printed out when ↵Wesley Peck
they need to be for the MBlaze backend because AsmPrinter::isBlockOnlyReachableByFallthrough does not take into account delay slots. 2. Re-adding .mask and .frame directives in printed assembly. 3. Adding .ent and .end directives in printed assembly. 4. Minor cleanups to MBlaze backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120095 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Use i8 as SETCC result type for i1 in SPU.Kalle Raiskila
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120092 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24Allow for 'fcmp ogt' in SPU.Kalle Raiskila
Fix by Visa Putkinen! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120090 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-24If a symbol is used as tls, mark it as tls even if not declare as so. ProbablyRafael Espindola
fixes PR8659. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120076 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23add a MemoryBuffer::getOpenFile method, which turns an openChris Lattner
file descriptor into a MemoryBuffer (and closes the FD). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Rename SimplifyDistributed to the more meaningfull name SimplifyByFactorizing.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120051 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23The srem -> urem transform is not safe for any divisor that's not a power of ↵Benjamin Kramer
two. E.g. -5 % 5 is 0 with srem and 1 with urem. Also addresses Frits van Bommel's comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120049 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Replace calls to ConstantFoldInstruction with calls to SimplifyInstructionDuncan Sands
in two places that are really interested in simplified instructions, not constants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Constant folding here is pointless, because InstructionSimplifyDuncan Sands
(which does constant folding and more) is called a few lines later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120042 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Move the ARM reloc constants to Support/ELF.hJason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120035 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Recognize sign/zero-extended constant BUILD_VECTORs for VMULL operations.Bob Wilson
We need to check if the individual vector elements are sign/zero-extended values. For now this only handles constants values. Radar 8687140. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23InstCombine: Reduce "X shift (A srem B)" to "X shift (A urem B)" iff B is ↵Benjamin Kramer
positive. This allows to transform the rem in "1 << ((int)x % 8);" to an and. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120028 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Propagate LeftDistributes and RightDistributes into their only uses.Duncan Sands
Stylistic improvement suggested by Frits van Bommel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120026 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Fix typo pointed out by Frits van Bommel and Marius Wachtler.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120025 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Exploit distributive laws (eg: And distributes over Or, Mul over Add, etc) in aDuncan Sands
fairly systematic way in instcombine. Some of these cases were already dealt with, in which case I removed the existing code. The case of Add has a bunch of funky logic which covers some of this plus a few variants (considers shifts to be a form of multiplication), which I didn't touch. The simplification performed is: A*B+A*C -> A*(B+C). The improvement is to do this in cases that were not already handled [such as A*B-A*C -> A*(B-C), which was reported on the mailing list], and also to do it more often by not checking for "only one use" if "B+C" simplifies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120024 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Division by pow-of-2 is not cheap on SPU, do it with Kalle Raiskila
shifts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Implement the rex64 prefix.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120017 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Expand a little on the description of what InstructionSimplify does.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120016 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Clarify that constant folding of instructions applies when all operandsDuncan Sands
are constant. There was in fact one exception to this (phi nodes) - so remove that exception (InstructionSimplify handles this so there should be no loss). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Invalidate the layout on any relaxation, not just Instructions. Bug found by ↵Rafael Espindola
David Meyer. While here, remove unused argument and rename UpdateForSlide to Invalidate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Produce a relocation for pcrel absolute values. Based on a patch by David Meyer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Revert functionality doug added in r98575 that was neverChris Lattner
documented and only used by some clang stuff I just removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120002 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Reuse data fragments while lowering. Patch by David Meyer.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.Wesley Peck
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119990 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23add a 'LLVMConstIntOfArbitraryPrecision' api to the C api,Chris Lattner
patch by Greg Pfeil! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119989 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23duncan's spider sense was right, I completely reversed the conditionChris Lattner
on this instcombine xform. This fixes a miscompilation of 403.gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119988 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22Fixed some style issues (no _, no spc after !)Jason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119986 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22Remove duplicated constants. Thanks to Jason for noticing it.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119985 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22InstCombine: Implement X - A*-B -> X + A*B.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119984 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22Make the <ARCH>ELFObjectWriter statics privateJason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119982 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22Fix misplaced statics.Jason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-22Kill trailing whitespaceJason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119979 91177308-0d34-0410-b5e6-96231b3b80d8
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