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Author SHA1 Message Date
Owen Anderson
bc146b0a4d Reimplement r114460 in target-independent DAGCombine rather than target-dependent, by using 
the predicate to discover the number of sign bits.  Enhance X86's target lowering to provide
a useful response to this query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114473 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 20:42:50 +00:00
Chris Lattner
78d3af47f5 just like they can opt into getting the root of the pattern being 
matched, allow ComplexPatterns to opt into getting the parent node
of the operand being matched.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114472 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 20:37:12 +00:00
Chris Lattner
52a261b3c1 fix a long standing wart: all the ComplexPattern's were being 
passed the root of the match, even though only a few patterns
actually needed this (one in X86, several in ARM [which should
be refactored anyway], and some in CellSPU that I don't feel 
like detangling).   Instead of requiring all ComplexPatterns to
take the dead root, have targets opt into getting the root by
putting SDNPWantRoot on the ComplexPattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 20:31:19 +00:00
Jakob Stoklund Olesen
7c72707216 Refix MSVC9 and upper_bound. It actually needs a fully symmetric comparator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114469 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 20:16:12 +00:00
Chris Lattner
701cd62297 even though I'm about to rip it out, simplify the address mode stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 19:41:58 +00:00
Chris Lattner
84bd98ac7b finish pushing MachinePointerInfo through selectiondags. At this point, 
I think I've audited all uses, so it should be dependable for address spaces,
and the pointer+offset info should also be accurate when there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114464 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:58:22 +00:00
Chris Lattner
fc448ff89b convert a couple more places to use the new getStore() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:51:21 +00:00
Chris Lattner
6229d0acb8 update a bunch of code to use the MachinePointerInfo version of getStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:41:36 +00:00
Owen Anderson
c004eec71b When adding the carry bit to another value on X86, exploit the fact that the carry-materialization 
(sbbl x, x) sets the registers to 0 or ~0.  Combined with two's complement arithmetic, we can fold
the intermediate AND and the ADD into a single SUB.

This fixes <rdar://problem/8449754>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:41:19 +00:00
Jakob Stoklund Olesen
89bfef003e Don't pollute the global namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:34:17 +00:00
Jakob Stoklund Olesen
2de0e808c1 MSVC9 does not support upper_bound with an asymmetric comparator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 18:24:30 +00:00
Bob Wilson
65ffec49f7 Define the TargetLowering::getTgtMemIntrinsic hook for ARM so that NEON load 
and store intrinsics are represented with MemIntrinsicSDNodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:56:22 +00:00
Chris Lattner
8026a9d3ee eliminate some uses of the getStore overload. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:50:43 +00:00
Chris Lattner
da2d8e1032 eliminate an old SelectionDAG::getTruncStore method, propagating 
MachinePointerInfo around more.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:42:31 +00:00
Chris Lattner
5cd9391a08 eliminate last SelectionDAG::getLoad old entrypoint, on to stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:28:52 +00:00
Chris Lattner
d0e139fa74 fix the code that infers SV info to be correct when dealing 
with an indexed load/store that has an offset in the index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114449 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:24:05 +00:00
Jakob Stoklund Olesen
f568b2706e Add LiveInterval::find and use it for most LiveRange searching operations 
instead of calling lower_bound or upper_bound directly.

This cleans up the search logic a bit because {lower,upper}_bound compare
LR->start by default, and it is usually simpler to search LR->end.

Funnelling all searches through one function also makes it possible to replace
the search algorithm with something faster than binary search.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:12:18 +00:00
Jakob Stoklund Olesen
0635ead2c4 Remove dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114447 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:12:15 +00:00
Chris Lattner
3d6ccfba31 propagate MachinePointerInfo through various uses of the old 
SelectionDAG::getExtLoad overload, and eliminate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:04:51 +00:00
Jim Grosbach
532baa5d53 Fix errant printing of [v]ldm instructions that aren't a pop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114445 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:45:31 +00:00
Benjamin Kramer
a53557e4fb Simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:41:29 +00:00
Chris Lattner
ecf42c4720 continue MachinePointerInfo'izing, eliminating use of one of the old 
getLoad overloads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:36:31 +00:00
Chris Lattner
fa45901eaa convert dagcombine off the old form of getLoad. This fixes several bugs 
with SVOffset computation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:08:50 +00:00
Benjamin Kramer
28b4afc103 Make CreateComplexVariable independent of SmallVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:00:03 +00:00
Chris Lattner
f165806655 simplify DAGCombiner::SimplifySelectOps step #2/2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 15:58:55 +00:00
Chris Lattner
1806161a0b substantially reduce indentation and simplify DAGCombiner::SimplifySelectOps. 
no functionality change (step #1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 15:46:59 +00:00
Mikhail Glushenkov
f41b75d85b Trailing whitespace, 80-col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:50 +00:00
Mikhail Glushenkov
47e87db3a1 llvmc: split llvm_gcc_based into llvm_gcc_{pch,comp}_based. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:47 +00:00
Mikhail Glushenkov
46aa524f0d llvmc: Allow multiple output languages. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:42 +00:00
Mikhail Glushenkov
6d31c0b79a Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:34 +00:00
Lang Hames
0898291490 Fixed ambiguous call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:47:10 +00:00
Gabor Greif
8ff9bb189c Fix buglet when the TST instruction directly uses the AND result. 
I am unable to write a test for this case, help is solicited, though...
What I did is to tickle the code in the debugger and verify that we do the right thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:30:57 +00:00
Lang Hames
e9c935662d Added an additional PBQP problem builder which adds coalescing costs (both between pairs of virtuals, and between virtuals and physicals). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:19:36 +00:00
Gabor Greif
04ac81d5db Move the search for the appropriate AND instruction 
into OptimizeCompareInstr.
This necessitates the passing of CmpValue around,
so widen the virtual functions to accomodate.

No functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114428 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 12:01:15 +00:00
Mikhail Glushenkov
b4c7a12aea llvmc: put linker options in a separate OptList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114427 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 11:57:04 +00:00
Chris Lattner
85ca106632 a few more trivial updates. This fixes PerformInsertVectorEltInMemory to not 
pass a completely incorrect SrcValue, which would result in a miscompile with
combiner-aa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 07:32:19 +00:00
Chris Lattner
d1c24ed81c convert the targets off the non-MachinePointerInfo of getLoad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:44:06 +00:00
Chris Lattner
1daa6f479d add some accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:43:24 +00:00
Chris Lattner
e8639036b1 it's more elegant to put the "getConstantPool" and 
"getFixedStack" on the MachinePointerInfo class.  While
this isn't the problem I'm setting out to solve, it is the
right way to eliminate PseudoSourceValue, so lets go with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114406 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:22:23 +00:00
Chris Lattner
e467d168d0 ugh, missed a file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:16:40 +00:00
Chris Lattner
51abfe490b update the X86 backend to use the MachinePointerInfo version of one 
of the getLoad methods.  This fixes at least one bug where an incorrect
svoffset is passed in (a potential combiner-aa miscompile).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:02:19 +00:00
Chris Lattner
e54b482d1c Fix a bug where the x86 backend would lower memcpy/memset of segment relative operations 
into non-segment-relative copies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:43:34 +00:00
Chris Lattner
e72f2027e9 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo 
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:40:29 +00:00
Chris Lattner
40a858f6e7 add some helpful accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:39:30 +00:00
Chris Lattner
5c5cb2a171 add overloads for SelectionDAG::getLoad, getStore, getTruncStore that take a 
MachinePointerInfo.  Among other virtues, this doesn't silently  truncate the
svoffset to 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114399 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:10:45 +00:00
Chris Lattner
e9ba5dd236 simplify interface to SelectionDAG::getMemIntrinsicNode, making it take a MachinePointerInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:57:15 +00:00
Chris Lattner
60bddc8bcd chagne interface to SelectionDAG::getAtomic to take a MachinePointerInfo, 
eliminating some weird "infer a frame address" logic which was dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:53:42 +00:00
Chris Lattner
0531356e4d don't implicitly drop the offset of a machinememoperand when legalizing atomics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:51:11 +00:00
Chris Lattner
93a95ae8a9 force clients of MachineFunction::getMachineMemOperand to provide a 
MachinePointerInfo, propagating the type out a level of API.  Remove
the old MachineFunction::getMachineMemOperand impl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:46:39 +00:00
Chris Lattner
59db5496f4 convert targets to the new MF.getMachineMemOperand interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:39:43 +00:00