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45725 Commits

Author SHA1 Message Date
Chris Lattner 60de1ae3d9 Remove extraneous vertical whitespace before Eric gets the wrong idea ;-) 
llvm-svn: 53411
 2008-07-10 16:49:53 +00:00
Chris Lattner 5e718e7431 Fix an altivec constant miscompilation that Duncan found through 
his work on legalizetypes.

llvm-svn: 53410
 2008-07-10 16:33:38 +00:00
Duncan Sands abdcac66dc Add support for 128 bit multiplicative operations. 
Lack of these caused a bootstrap failure with Fortran
on x86-64 with LegalizeTypes turned on.  While there,
be nice to 16 bit machines and support expansion of
i32 too.

llvm-svn: 53408
 2008-07-10 15:35:05 +00:00
Duncan Sands 5e6d1402c2 Add a mysteriously missing libcall, FPTOSINT_F80_I32. 
Be nice to 16 bit machines by supporting FP_TO_XINT
expansion for these.

llvm-svn: 53407
 2008-07-10 15:33:02 +00:00
Duncan Sands 303524be58 Fix a FIXME: use an apint in CTTZ legalization. 
llvm-svn: 53406
 2008-07-10 15:30:54 +00:00
Duncan Sands e78352a125 Remove PromoteIntRes_FP_ROUND - not sure what it 
was doing there: FP_ROUND returns a float, not an
integer.

llvm-svn: 53405
 2008-07-10 15:29:55 +00:00
Duncan Sands 4ac3984fc5 Make sure the alignment of the temporary created 
in CreateStackStoreLoad is good enough for both
the source and destination types.

llvm-svn: 53404
 2008-07-10 15:26:17 +00:00
Duncan Sands d4c09df689 Make the LegalizeType method naming scheme more regular. 
llvm-svn: 53403
 2008-07-10 15:25:04 +00:00
Duncan Sands 74f23ff45c Don't barf when dumping a constant that contains 
a ginormous value (eg: i128 -1).

llvm-svn: 53402
 2008-07-10 11:23:14 +00:00
Duncan Sands 4603a2ae6b Correct a comment. 
llvm-svn: 53401
 2008-07-10 11:21:59 +00:00
Matthijs Kooijman e0f3ab82c4 Restructure dead argument elimination, try #3 :-) 
Rewrite the DeadArgumentElimination pass, to use a more explicit tracking of
dependencies between return values and/or arguments. Also make the handling of
arguments and return values the same.

The pass now looks properly inside returned structs, but only at the first
level (ie, not inside nested structs).

This version fixed a few more bugs and was cleaned up a bit. It now passes all
of LLVM's testing, and should still pass SPEC2006. There is still a minor bug
with regard to returning nested structs. Since there is currently nothing that
emits such IR, I will fix that in a seperate commit (partly because it requires
a non-trivial fix).

llvm-svn: 53400
 2008-07-10 10:24:08 +00:00
Evan Cheng e9ba28dd68 - Change the horrible N^2 isRegReDefinedByTwoAddr. Now callers must supply the operand index of def machineoperand and at most one full scan of non-implicit operands is needed. 
- Change local register allocator to use the new isRegReDefinedByTwoAddr instead of reinventing the wheel.

llvm-svn: 53394
 2008-07-10 07:35:43 +00:00
Nick Lewycky 6193a564ab Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error! 
llvm-svn: 53393
 2008-07-10 05:51:40 +00:00
Chris Lattner cfba0fade8 Add a new distcc status page, which is currently empty and not 
linked from anywhere. It will be linked when content is filled in.

Page by Csaba Hruska!

llvm-svn: 53392
 2008-07-10 05:32:43 +00:00
Chris Lattner a580a92508 Add an accessor, patch by Csaba Hruska. 
llvm-svn: 53391
 2008-07-10 05:26:30 +00:00
Owen Anderson 04a77c2492 Use DenseMap instead of std::map in local register allocation. This improves the time on instcombine from .31s to .22s 
llvm-svn: 53390
 2008-07-10 01:56:35 +00:00
Owen Anderson 20f41dac8d Fix 403.gcc. Finally got the check for two-address-ness correct. 
llvm-svn: 53389
 2008-07-10 01:53:01 +00:00
Owen Anderson 36b92ca037 Fix the build by adding a #include. 
llvm-svn: 53388
 2008-07-10 01:44:27 +00:00
Chris Lattner 683ed3d94e The source and dest of an alias are *not* required to have the same type, 
though that would be nice and make sense :).  Patch by Nathan Keynes!

llvm-svn: 53387
 2008-07-10 01:09:33 +00:00
Evan Cheng 71b7398463 Fix for PR2472. Use movss to set lower 32-bits of a zero XMM vector. 
llvm-svn: 53386
 2008-07-10 01:08:23 +00:00
Chris Lattner 2e24e0ca68 open plugins with RTLD_GLOBAL, pointed out by Bram Adams. 
llvm-svn: 53385
 2008-07-10 00:52:20 +00:00
Chris Lattner d977c07680 SImplify ConstantVector::get a bit and make it turn a vector 
of all undefs into a single undef value.

llvm-svn: 53384
 2008-07-10 00:44:03 +00:00
Chris Lattner 67136cff7b Fix a case where vector comparison constant folding would cause an 
infinite recursion.  part of PR2529

llvm-svn: 53383
 2008-07-10 00:29:28 +00:00
Chris Lattner 97c661df7a add a helper method for code that wants to handle vector 
constants by element without caring how they are formed.

llvm-svn: 53382
 2008-07-10 00:28:34 +00:00
Chris Lattner 2105d66c05 add a helper method for code that wants to handle vector 
constants by element without caring how they are formed.

llvm-svn: 53381
 2008-07-10 00:28:11 +00:00
Chris Lattner b69689e18b elementwise comparison of vector constants was completely wrong. Fix 
it for PR2529

llvm-svn: 53380
 2008-07-10 00:08:17 +00:00
Evan Cheng 0e6973442d - Replace use of std::map<std::string, ..> with StringMap. Replace use of std::map with DenseMap, std::set with SmallPtrSet. This results in minor speed up. 
- Some code clean up.

llvm-svn: 53379
 2008-07-10 00:04:23 +00:00
Owen Anderson be2e9a4447 Revert r53367, which was breaking things. 
llvm-svn: 53378
 2008-07-09 23:09:10 +00:00
Dan Gohman 7d94c49db9 Simplify hasNUsesOfValue and hasAnyUsesOfValue even more. This 
makes their special-case checks of use_size() less beneficial,
so remove them. This eliminates all but one use of use_size(),
which is in AssignTopologicalOrder, which uses it only once for
each node, and so can reasonably afford to recompute it, as
this allows the UsesSize field of SDNode to be removed
altogether.

llvm-svn: 53377
 2008-07-09 23:03:14 +00:00
Argyrios Kyrtzidis 832e898803 Simplify the parser a bit by looking at the next token without consuming it (by Preprocessor::LookNext): 
-Remove ParseExpressionWithLeadingIdentifier and ParseAssignmentExprWithLeadingIdentifier.
-Separate ParseLabeledStatement from ParseIdentifierStatement.

llvm-svn: 53376
 2008-07-09 22:53:07 +00:00
Argyrios Kyrtzidis 80b77ac394 Add Preprocessor::LookNext method, which implements an efficient way to 'take a peek' at the next token without consuming it. 
llvm-svn: 53375
 2008-07-09 22:46:46 +00:00
Dan Gohman 7a510c2990 hasAnyUseOfValue can check SDUse nodes of its users directly instead 
of examining every operand of every user.

llvm-svn: 53374
 2008-07-09 22:39:01 +00:00
Ted Kremenek a3f878dcab More information on filing bug reports. 
llvm-svn: 53373
 2008-07-09 22:20:56 +00:00
Dan Gohman db4504fa57 Move MemoryVT out of LSBaseNode into MemSDNode, allowing the 
getMemOperand function to be moved into the base class as well
and made non-virtual.

llvm-svn: 53372
 2008-07-09 22:08:04 +00:00
Anton Korobeynikov 6e816424b0 Remove a FIXME: we really need to use const_data section on darwin for 
constant pool, if relocation model is not static. This directly maps to
the way how GCC works.

llvm-svn: 53370
 2008-07-09 21:54:26 +00:00
Evan Cheng 1787443028 Avoid creating expensive comment string if it's not going to be printed. 
llvm-svn: 53369
 2008-07-09 21:53:02 +00:00
Anton Korobeynikov 443864544e Add FIXME for future checking. 
llvm-svn: 53368
 2008-07-09 21:38:28 +00:00
Owen Anderson d3736ca1e0 Loosen our check here. Local regalloc only cares that the reg is used and def'd by the same instruction, but about the details of 
the relationship.

llvm-svn: 53367
 2008-07-09 21:34:36 +00:00
Dale Johannesen ca43dce1e8 Remove extra call to DW.SetModuleInfo on Linux. 
llvm-svn: 53365
 2008-07-09 21:33:15 +00:00
Dale Johannesen f76138c71f Emit debug info for data-only files on Cell SPU. 
I cannot test this target, let me know if it breaks!

llvm-svn: 53363
 2008-07-09 21:25:06 +00:00
Dale Johannesen dbd04c0783 Emit debug into for data-only files for Linux PPC. 
I cannot test this target, let me know if it breaks!

llvm-svn: 53362
 2008-07-09 21:24:07 +00:00
Dan Gohman 89e71d48b8 Move the IsVolatile and SVOffset fields into the MemSDNode base 
class, and store IsVolatile and Alignment in a more compact form.
This makes AtomicSDNode slightly larger, but it shrinks LoadSDNode
and StoreSDNode, which are much more common and are the largest of
the SDNode subclasses. Also, this lets the isVolatile() and
getAlignment() accessors be non-virtual.

llvm-svn: 53361
 2008-07-09 21:23:02 +00:00
Dale Johannesen c4650f4b56 Emit debug info for data-only files. ARM version. 
llvm-svn: 53360
 2008-07-09 21:20:54 +00:00
Owen Anderson b42ed21894 Don't use an expensive check for two-address-ness when we have the information sitting around to determine it much more quickly, 
This speeds up the local register allocator from 0.37s to 0.31s on instcombine.

llvm-svn: 53359
 2008-07-09 21:15:10 +00:00
Dale Johannesen 605d38657a Emit debug info for data-only files. This version 
is X86 ATT only.

llvm-svn: 53355
 2008-07-09 20:55:35 +00:00
Anton Korobeynikov bcfb41ca7d Add missed section 
llvm-svn: 53354
 2008-07-09 20:47:55 +00:00
Dale Johannesen b9aaddc110 Emit debug info for data-only files. This version 
applies to ppc Darwin only.

llvm-svn: 53353
 2008-07-09 20:43:39 +00:00
Owen Anderson a0bc522466 Factor local liveness computation out into its own function. 
llvm-svn: 53352
 2008-07-09 20:14:53 +00:00
Dan Gohman 70aa89d215 Reuse the MO variable instead of recomputing it in RegAllocLocal. 
Keep RegAllocSimple in sync.

llvm-svn: 53351
 2008-07-09 20:12:26 +00:00
Anton Korobeynikov 5c0d2bd46e Distinguish .const and .const_data on Darwin, when needed. This is somehow crazy :) 
llvm-svn: 53350
 2008-07-09 20:01:42 +00:00