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7008 Commits

Author SHA1 Message Date
Duncan Sands
e667a05fcb Correct a comment. 
llvm-svn: 53401
 2008-07-10 11:21:59 +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
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
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
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
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
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
Anton Korobeynikov
80f0406385 Silence a warning 
llvm-svn: 53326
 2008-07-09 13:56:43 +00:00
Anton Korobeynikov
7b144cc108 Drop enum and use constants for SectionFlags 
llvm-svn: 53325
 2008-07-09 13:41:07 +00:00
Anton Korobeynikov
03614f247c First sketch of special section objects 
llvm-svn: 53320
 2008-07-09 13:28:49 +00:00
Anton Korobeynikov
3399dc61e5 Unbreak 
llvm-svn: 53317
 2008-07-09 13:27:37 +00:00
Anton Korobeynikov
1f697cd97b Another bunch of hacks for named sections support 
llvm-svn: 53315
 2008-07-09 13:26:52 +00:00
Anton Korobeynikov
933bf0ecc4 Add hacky way to distinguish named and named sections. This will be generalized in the future. 
llvm-svn: 53311
 2008-07-09 13:25:26 +00:00
Anton Korobeynikov
751cfda7dd Handle ELF mergeable sections 
llvm-svn: 53306
 2008-07-09 13:23:37 +00:00
Anton Korobeynikov
f42d75201a Provide general hook for section name calculation 
llvm-svn: 53304
 2008-07-09 13:22:46 +00:00
Anton Korobeynikov
c421fcddb4 Print entity size for mergeable sections 
llvm-svn: 53303
 2008-07-09 13:22:17 +00:00
Anton Korobeynikov
059999d321 Move flag decoding stuff into special hook 
llvm-svn: 53297
 2008-07-09 13:20:07 +00:00
Anton Korobeynikov
ca271dd426 Properly handle linkonce stuff 
llvm-svn: 53296
 2008-07-09 13:19:38 +00:00
Anton Korobeynikov
782a69505d Provide skeletone code for calculation of section, where global should be emitted into 
llvm-svn: 53295
 2008-07-09 13:19:08 +00:00
Anton Korobeynikov
c150d11dbd Make hooks virtual 
llvm-svn: 53293
 2008-07-09 13:18:21 +00:00
Anton Korobeynikov
5bc572ad96 Add default section name resolution routine 
llvm-svn: 53292
 2008-07-09 13:18:02 +00:00
Anton Korobeynikov
552675bb0f Constify 
llvm-svn: 53291
 2008-07-09 13:17:36 +00:00
Anton Korobeynikov
651865851c Add code for default section falgs computation 
llvm-svn: 53290
 2008-07-09 13:16:59 +00:00
Chris Lattner
b650adae49 Add a little wrapper header that is put around bc files when emitting 
bc files for modules with a target triple that indicates they are for
darwin.  The reader unconditionally handles this, and the writer could
turn this on for more targets if we care.

This change has two benefits for darwin:

1) it allows us to encode the cpu type of the file in an easy to read
   place that doesn't require decoding the bc file.
2) it works around a bug (IMO) in darwin's AR where it is incapable of
   handling files that are not a multiple of 8 bytes long.  BC files
   are only guaranteed to be multiples of 4 bytes long.

llvm-svn: 53275
 2008-07-09 05:14:23 +00:00
Nick Lewycky
86adf455bd Remove getValueRange from SCEV. It wasn't doing anything there anyways, and a 
more complete version is now available from the LoopVR pass.

llvm-svn: 53269
 2008-07-09 03:21:51 +00:00
Dan Gohman
2e23cd5a18 const-ify SelectionDAG::getNodeValueTypes. 
llvm-svn: 53264
 2008-07-09 00:00:42 +00:00
Dan Gohman
5b24b3baef Factor out the code for computing an alignment value, and make it 
available to getAtomic in addition to just getLoad and getStore,
to prevent MachineMemOperands with 0 alignment.

llvm-svn: 53261
 2008-07-08 23:46:32 +00:00
Dan Gohman
e2169bec88 The graph name really does matter for configurations that use gv. 
llvm-svn: 53259
 2008-07-08 23:33:46 +00:00
Evan Cheng
6af015292e Unbreak C++ tests on x86 Darwin. 
llvm-svn: 53237
 2008-07-08 16:40:43 +00:00
Duncan Sands
65028bf60d Add some helpers for manipulating function 
parameter attributes.

llvm-svn: 53228
 2008-07-08 09:41:30 +00:00
Matthijs Kooijman
4cf0a68307 Add CallSite::getArgumentNo() to be able to translate an operand number into a 
argument number.

llvm-svn: 53225
 2008-07-08 08:51:47 +00:00
Matthijs Kooijman
8aaa85f108 Add CallSite::getArgumentOffset() to hide the differences in operands betwen 
Call and Invoke in a single method instead of having it hardcoded in multiple
places.

llvm-svn: 53224
 2008-07-08 08:50:32 +00:00
Duncan Sands
b854603cb5 Add some convenience methods for manipulating 
call attributes.

llvm-svn: 53223
 2008-07-08 08:38:44 +00:00
Nick Lewycky
9cecc07bec Expand SCEVUDiv of power of 2 to a lshr instruction. 
llvm-svn: 53217
 2008-07-08 05:05:37 +00:00
Evan Cheng
5be1103646 Avoid unnecessary string construction during asm printing. 
llvm-svn: 53215
 2008-07-08 00:55:58 +00:00
Dan Gohman
cd25487258 Pool-allocation for MachineInstrs, MachineBasicBlocks, and 
MachineMemOperands. The pools are owned by MachineFunctions.

This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.

llvm-svn: 53212
 2008-07-07 23:14:23 +00:00
Dan Gohman
93e0208361 Pool-allocation for SDNodes. The pool is allocated once for each function, 
and reused across SelectionDAGs.

This drastically reduces the number of calls to malloc/free made during
instruction selection, and improves memory locality.

llvm-svn: 53211
 2008-07-07 23:02:41 +00:00
Dan Gohman
60e964b34c Add some basic Pool-allocation infrastructure. This adds a Recycler class, 
for handling bookkeeping for deleted objects, as well as the alist class
template, for keeping lists of objects allocated from Recyclers, and some
related utilities.

llvm-svn: 53210
 2008-07-07 22:58:06 +00:00
Bill Wendling
d7da49634d Use StringMap for greater justice! 
llvm-svn: 53202
 2008-07-07 20:59:31 +00:00
Dan Gohman
d787dcfa3d Fix SDNode::MorphNodeTo (a function used by by SelectNodeTo) to 
properly track dead nodes that are on the original SDNode's operand
list but not the new one, and have no other uses.

llvm-svn: 53201
 2008-07-07 20:57:48 +00:00
Dan Gohman
255eb1d296 Move MachineMemOperand's constructor out of line, to avoid a 
#include dependency on Support/MathExtras.h in the header file.

llvm-svn: 53200
 2008-07-07 20:32:02 +00:00
Dan Gohman
f2b95cb24f Shrink MachineMemOperand by storing the alignment in log form 
and rearranging the fields.

llvm-svn: 53195
 2008-07-07 20:05:04 +00:00
Dan Gohman
1834981eb0 Make ilist noncopyable too. 
llvm-svn: 53190
 2008-07-07 18:43:32 +00:00
Dan Gohman
fca9922b1b Don't use std::advance just to increment or decrement by one. 
llvm-svn: 53189
 2008-07-07 18:39:33 +00:00
Dan Gohman
ddcc08e98f Make BumpPtrAllocator noncopyable. 
llvm-svn: 53188
 2008-07-07 18:38:14 +00:00
Dan Gohman
68abfdf98d Add a space between * and /* to help simple-minded lexers. 
llvm-svn: 53187
 2008-07-07 18:34:27 +00:00
Dan Gohman
d263602463 Remove most of the uses of SDOperandPtr, usually replacing it with a 
simple const SDOperand*, which is what's usually needed.

For AddNodeIDOperands, which is small, just duplicate the function to
accept an SDUse*.

For SelectionDAG::getNode - Add an overload that accepts SDUse* that
copies the operands into a temporary SDOperand array, but also has
special-case checks for 0 through 3 operands to avoid the copy in
the common cases.

llvm-svn: 53183
 2008-07-07 18:26:29 +00:00
Dan Gohman
dd9c91e583 Remove uses of "llvm/Support/Debug.h" from LLVM include files, which 
all happened be unnecessary.

llvm-svn: 53182
 2008-07-07 18:14:29 +00:00
Dan Gohman
3755664b6d Remove unnecessary static_casts. 
llvm-svn: 53181
 2008-07-07 18:08:20 +00:00
Dan Gohman
9112a5463e Remove an unnecessary reinterpret_cast. 
llvm-svn: 53180
 2008-07-07 18:07:36 +00:00