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2010-11-08Remove contributor names as per coding statndard.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118442 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Re-introduce the MaxLookup limit to BasicAliasAnalysis'Dan Gohman
pointsToConstantMemory code to guard against possible compile time slowdowns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118440 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Adding working version of assembly parser for the MBlaze backendWesley Peck
Major cleanup of whitespace and formatting issues in MBlaze backend git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Fix a thinko that Duncan spotted.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118430 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Revert 118422 in search of bot verdancy.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118429 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Adds support for spilling previously allocated live intervals toAndrew Trick
handle cases in which a register is unavailable for spill code. Adds LiveIntervalUnion::extract. While processing interferences on a live virtual register, reuses the same Query object for each physcial reg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Support -mcpu=cortex-a8 in ARM attributes - Has Fixme. 1 Test modified.Jason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Fix typo.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118421 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Make FunctionAttrs TBAA-aware.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118417 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Implement getModRefBehavior for TypeBasedAliasAnalysis.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Complete listing of ARM/MC/ELF relocation enumsJason W Kim
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118413 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Extend the AliasAnalysis::pointsToConstantMemory interface to allow itDan Gohman
to optionally look for constant or local (alloca) memory. Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select and Phi nodes, and to support looking for local memory. Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that AliasAnalysis knows all the tricks that it knew. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118412 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Delete getIntrinsicModRefBehavior. Clients can just use the normalDan Gohman
getModRefBehavior now, since it now understands intrinsics as well as normal functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118411 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Make FunctionAttrs use AliasAnalysis::getModRefBehavior, now that itDan Gohman
knows about intrinsic functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Teach BasicAliasAnalysis::getModRefBehavior(const Function *F)Dan Gohman
to analyze intrinsic functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118409 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Add generating function declaration for PTXChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118398 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Add physical register counting functionsChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118397 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Add a dummy PTXMCAsmStreamer classChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Set default flags for .rodata.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Add registry hook for assembly text outputChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118394 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Make RegList an ASM operand so that TableGen will generate code for it. This isBill Wendling
an initial implementation and may change once reglists are fully fleshed out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118390 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-08Revert.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118389 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Add simplification of floating point comparisons with the resultDuncan Sands
of a select instruction, the same as already exists for integer comparisons. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Fix a README item: when doing a comparison with the resultDuncan Sands
of a select instruction, see if doing the compare with the true and false values of the select gives the same result. If so, that can be used as the value of the comparison. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118378 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Speed up AddSectionToTheEnd. It was walking all fragments in all sections.Rafael Espindola
This is really slow with we have 1000s of sections each with a corresponding relocation section. Also, it is only used by the ELF writer to add basic data, so there is no need to force a new layout pass. Should fix PR8563. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118377 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07In this context, a reglist is a reg.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Fix memory leak in StringRef::edit_distance(). 'Allocated' could be leaked ↵Ted Kremenek
on an early return. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118370 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Add method for checking if a path is a symbolic link.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118367 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-07Relax dwarf line fragments. This fixes a crash in the included testcase.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118365 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06implement aliases for div/idiv that have an explicit A register operand,Chris Lattner
implementing rdar://8431864 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118364 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Add support for parsing register lists. We can't use a bitfield to keep track ofBill Wendling
the registers, because the register numbers may be much greater than the number of bits available in the machine's register. I extracted the register list verification code out of the actual parsing of the registers. This made checking for errors much easier. It also limits the number of warnings that would be emitted for cascading infractions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118363 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06add aliases for movs between seg registers and mem. There are multipleChris Lattner
different forms of this instruction (movw/movl/movq) which we reported as being ambiguous. Since they all do the same thing, gas just picks the one with the shortest encoding. Follow its lead here. This implements rdar://8208615 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118362 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the "sh[lr]d op,op" -> "shld $1, op,op" aliases to the .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118361 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Return the base register of a register list for the "getReg()" method. This isBill Wendling
to satisfy the ClassifyOperand method of the Asm matcher without having to add a RegList type to every back-end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118360 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06work-in-progressChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118358 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06General cleanup:Bill Wendling
- Make ARMOperand a class so that some things are internal to the class. - Reformatting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118357 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06go to great lengths to work around a GAS bug my previous patchChris Lattner
exposed: GAS doesn't accept "fcomip %st(1)", it requires "fcomip %st(1), %st(0)" even though st(0) is implicit in all other fp stack instructions. Fortunately, there is an alias for fcomip named "fcompi" and gas does accept the default argument for the alias (boggle!). As such, switch the canonical form of this instruction to "pi" instead of "ip". This makes the code generator and disassembler generate pi, avoiding the gas bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118356 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06rework the rotate-by-1 instructions to be defined like theChris Lattner
shift-by-1 instructions, where the asmstring doesn't contain the implicit 1. It turns out that a bunch of these rotate instructions were completely broken because they used 1 instead of $1. This fixes assembly mismatches on "rclb $1, %bl" and friends, where we used to generate the 3 byte form, we now generate the proper 2-byte form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06change the fp comparison instructions to not have %st0 explicitlyChris Lattner
listed in its asm string, for consistency with the other similar instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118354 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the plethora of fp stack aliases to the .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118353 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06add (and document) the ability for alias results to haveChris Lattner
fixed physical registers. Start moving fp comparison aliases to the .td file (which default to using %st1 if nothing is specified). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Add a RegList (register list) object to ARMOperand. It will be used soon to holdBill Wendling
(surprise!) a list of registers. Register lists are consecutive, so we only need to record the start register plus the number of registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118351 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06generalize alias support to allow the result of an alias toChris Lattner
add fixed immediate values. Move the aad and aam aliases to use this, and document it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118350 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move fnstsw aliases to .td file, fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118349 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move in/out aliases to the .td files.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move sldt, imul, and movabsq aliases from c++ to .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118347 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06correct suffix matching to search for s/l/t suffixes on Chris Lattner
floating point stack instructions instead of looking for b/w/l/q. This fixes issues where we'd accidentally match fistp to fistpl, when it is in fact an ambiguous instruction. This changes the behavior of llvm-mc to reject fstp, which was the correct fix for rdar://8456389: t.s:1:1: error: ambiguous instructions require an explicit suffix (could be 'fstps', 'fstpl', or 'fstpt') fstp (%rax) it also causes us to correctly reject fistp and fist, which addresses PR8528: t.s:2:1: error: ambiguous instructions require an explicit suffix (could be 'fistps', or 'fistpl') fistp (%rax) ^ t.s:3:1: error: ambiguous instructions require an explicit suffix (could be 'fists', or 'fistl') fist (%rax) ^ Thanks to Ismail Donmez for tracking down the issue here! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118346 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Prune includes.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118342 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Fix grammar.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06Fix grammar.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118340 91177308-0d34-0410-b5e6-96231b3b80d8
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