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Author SHA1 Message Date
Bill Wendling
7e2acf0dc9 Pull r53428 from Gaz into mainline: 
Remove warnings about unused/shadowed variables.

llvm-svn: 53430
 2008-07-10 22:57:49 +00:00
Ted Kremenek
91171c5406 Added ImmutableMap constructor that accepts a const TreeTy*. 
llvm-svn: 53429
 2008-07-10 22:57:10 +00:00
Bill Wendling
3be8dca83f Put CPPBackend tests into their own directory and run them only if they're 
supported.

llvm-svn: 53427
 2008-07-10 22:35:32 +00:00
Dan Gohman
c3f346dc55 Tidy up #includes. 
llvm-svn: 53426
 2008-07-10 22:26:19 +00:00
Dan Gohman
83d9009473 Add a SubclassData field to SDNode, similar to what's done 
in Value, to make use of some otherwise unused space. Use this
field to shrink LoadSDNode and StoreSDNode by moving the
addressing mode and ext/trunc fields there.

llvm-svn: 53422
 2008-07-10 21:44:59 +00:00
Dan Gohman
157e75d975 Fix a copy+pasto in an assertion string. 
llvm-svn: 53419
 2008-07-10 19:58:23 +00:00
Dan Gohman
b379840cf7 Stack objects have nonnegative indices, not just positive indices. 
llvm-svn: 53418
 2008-07-10 19:57:25 +00:00
Dan Gohman
bb0847c84c Escape the graph name. This unbreaks -view-cfg. 
llvm-svn: 53417
 2008-07-10 19:55:54 +00:00
Dan Gohman
2b9dccb286 Remove this file; the code that it went with is no longer 
in the repository.

llvm-svn: 53416
 2008-07-10 19:55:04 +00:00
Dan Gohman
1f42b96c7e Make stack slot coloring's debug output more consistent with 
other passes.

llvm-svn: 53415
 2008-07-10 19:49:32 +00:00
Evan Cheng
d7023b66ea Change StackSlotForVirtReg (which maps vregs to frame indices) from std::map to IndexedMap. 
llvm-svn: 53414
 2008-07-10 18:23:23 +00:00
Chris Lattner
b5d45a49ea Remove extraneous vertical whitespace before Eric gets the wrong idea ;-) 
llvm-svn: 53411
 2008-07-10 16:49:53 +00:00
Chris Lattner
5f3c587276 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
a6c09579f0 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
90a916539d 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
91912e046a Fix a FIXME: use an apint in CTTZ legalization. 
llvm-svn: 53406
 2008-07-10 15:30:54 +00:00
Duncan Sands
f2734eabf2 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
16f5ab06b0 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
a219bb03e1 Make the LegalizeType method naming scheme more regular. 
llvm-svn: 53403
 2008-07-10 15:25:04 +00:00
Duncan Sands
8afe39dc56 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
e667a05fcb Correct a comment. 
llvm-svn: 53401
 2008-07-10 11:21:59 +00:00
Matthijs Kooijman
ca5124a630 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
3ec3113431 - 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
26ccb8e9a8 Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error! 
llvm-svn: 53393
 2008-07-10 05:51:40 +00:00
Owen Anderson
65e43ae1e8 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
189609bb36 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
bb9849b7b6 Fix the build by adding a #include. 
llvm-svn: 53388
 2008-07-10 01:44:27 +00:00
Chris Lattner
6d7c5fa8dc 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
02a618dc56 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
5e57a12a80 open plugins with RTLD_GLOBAL, pointed out by Bram Adams. 
llvm-svn: 53385
 2008-07-10 00:52:20 +00:00
Chris Lattner
7797bfa0fd 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
563d2c9fac 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
cd6afe938b 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
6c12d086d9 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
4fbada0bef 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
80f6966c7f - 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
35080ed650 Revert r53367, which was breaking things. 
llvm-svn: 53378
 2008-07-09 23:09:10 +00:00
Dan Gohman
e10fc737ca 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
Dan Gohman
6ba50d7fc1 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
Dan Gohman
679872b05f 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
9eae9520a9 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
082f7f802e 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
a5955dc461 Add FIXME for future checking. 
llvm-svn: 53368
 2008-07-09 21:38:28 +00:00
Owen Anderson
8174cf28a3 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
be88d5cd94 Remove extra call to DW.SetModuleInfo on Linux. 
llvm-svn: 53365
 2008-07-09 21:33:15 +00:00
Dale Johannesen
02e8b93701 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
f48f4811a3 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
f6e651fcf2 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
11d39779a1 Emit debug info for data-only files. ARM version. 
llvm-svn: 53360
 2008-07-09 21:20:54 +00:00
Owen Anderson
50a64de51e 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