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4222 Commits

Author SHA1 Message Date
Chris Lattner
dc7bad1787 Remove a dead class. 
llvm-svn: 29918
 2006-08-27 22:11:07 +00:00
Chris Lattner
db0a995bbe add directive to disable inlining 
llvm-svn: 29912
 2006-08-27 13:16:05 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Chris Lattner
91f098c9f7 Add external definitions for commonly-used template specializations and add 
anchor methods to others.  This eliminates the vtable/template method bloat
in .o files that defining a cl::opt used to impose (~4K per .o file for one
cp::opt<unsigned>).

llvm-svn: 29909
 2006-08-27 12:45:47 +00:00
Chris Lattner
a72e220a25 New place to put compiler-specific functionality. This replaces Visibility.h, 
and provides macros that can be used to make explicit instantiations of
template specializations, which is a gcc-specific feature.

llvm-svn: 29908
 2006-08-27 12:42:45 +00:00
Evan Cheng
6e08e7035f Eliminate SelectNodeTo() and getTargetNode() variants which take more than 
3 SDOperand operands. They are replaced by versions which take an array
of SDOperand and the number of operands.

llvm-svn: 29905
 2006-08-27 08:08:54 +00:00
Chris Lattner
5d7bd21c41 make optional pointer really optional 
llvm-svn: 29904
 2006-08-27 07:11:54 +00:00
Nate Begeman
f94ddf0d12 Properly size the string table, and emit symbol table and string table 
entries in the correct order, fixing several fixmes.

llvm-svn: 29902
 2006-08-26 15:46:34 +00:00
Evan Cheng
1c3d571e4b SelectNodeTo now returns a SDNode*. 
llvm-svn: 29901
 2006-08-26 08:00:10 +00:00
Chris Lattner
ec9c7fa089 Completely change the way that joining with physregs is implemented. This 
paves the way for future changes, increases coallescing opportunities (in
theory, not witnessed in practice), and eliminates the really expensive
LiveIntervals::overlapsAliases method.

llvm-svn: 29890
 2006-08-25 23:41:24 +00:00
Jim Laskey
e9b0e1014e Tidy up. 
llvm-svn: 29888
 2006-08-25 22:56:30 +00:00
Reid Spencer
9b5ea0704e For PR797: 
Make the Win32 code exception free (untested/uncompiled) which forced some
interface changes which had ripple effect. This should be the last of 797.

llvm-svn: 29884
 2006-08-25 21:37:17 +00:00
Reid Spencer
e2b7b29a82 For PR797: 
Final commit for this bug. This removes the last EH holdouts in LLVM
and turns off exception support by using the -fno-exceptions option. This
leads to the following reduction in library and executable sizes:
                DEBUG BUILD                RELEASE BUILD
         before     after   delta     before   after    delta
lib    162,328K  157,616K   4,712    17,864K  16,416K  1,448K
bin    571,444K  557,156K  14,288    63,296K   56,996K 6,300K

Debug   Improvement: 19,000K (2.59%)
Release Improvement:  7,748K (9.55%)

llvm-svn: 29882
 2006-08-25 19:54:53 +00:00
Jim Laskey
3af6953257 Consolidate callee saved register information so that it can me used by debug 
information and exception handling.

llvm-svn: 29881
 2006-08-25 19:45:51 +00:00
Reid Spencer
741140980f For PR797: 
Remove exception throwing/handling from lib/Bytecode, and adjust its users
to compensate for changes in the interface.

llvm-svn: 29875
 2006-08-25 17:43:11 +00:00
Nate Begeman
ce8ab85260 Get closer to handling globals correctly. We now generally get them in the 
right section.

llvm-svn: 29871
 2006-08-25 06:36:58 +00:00
Reid Spencer
d813eae003 For PR797: 
Remove exception handling from the bytecode archiver and adjust the llvm-ar
tool to accommodate the new interfaces.

llvm-svn: 29866
 2006-08-24 23:45:08 +00:00
Chris Lattner
28645a15bd Take advantage of the recent improvements to the liveintervals set (tracking 
instructions which define each value#) to simplify and improve the coallescer.
In particular, this patch:

1. Implements iterative coallescing.
2. Reverts an unsafe hack from handlePhysRegDef, superceeding it with a
   better solution.
3. Implements PR865, "coallescing" away the second copy in code like:

   A = B
   ...
   B = A

This also includes changes to symbolically print registers in intervals
when possible.

llvm-svn: 29862
 2006-08-24 22:43:55 +00:00
Reid Spencer
88bbd0bcf8 Remove a FIXME. Don't use strlcpy that isn't available on non-BSD platforms 
and ensure that a memory overrun won't occur while still writing Length
bytes in the outstring function.

llvm-svn: 29855
 2006-08-24 14:25:39 +00:00
Chris Lattner
a6ad752f16 update some comments 
llvm-svn: 29853
 2006-08-24 00:21:32 +00:00
Nate Begeman
0f0148d5f8 Correctly attribute file author & remote tabs 
llvm-svn: 29852
 2006-08-23 21:33:27 +00:00
Nate Begeman
1268d6cd46 Initial checkin of the Mach-O emitter. There's plenty of fixmes, but it 
does emit linkable .o files in very simple cases.

llvm-svn: 29850
 2006-08-23 21:08:52 +00:00
Reid Spencer
71c3f66dc6 For PR797: 
Final removal of exceptions from lib/System and adjustment of users to
accommodate.

llvm-svn: 29846
 2006-08-23 20:34:57 +00:00
Reid Spencer
b702899462 Fix constructor documentation. 
llvm-svn: 29845
 2006-08-23 17:43:20 +00:00
Reid Spencer
bc4c8e8ac0 For PR797: 
Eliminate exception throwing from Path::renamePathOnDisk and adjust its
users correspondingly.

llvm-svn: 29843
 2006-08-23 07:30:48 +00:00
Reid Spencer
0bc83e3c5e For PR797: 
Remove exception throwing from Path::getDirectoryContents and its users.

llvm-svn: 29841
 2006-08-23 06:56:27 +00:00
Reid Spencer
baf54399e7 For PR797: 
Remove exceptions from the Path::create*OnDisk methods. Update their users
to handle error messages via arguments and result codes.

llvm-svn: 29840
 2006-08-23 00:39:35 +00:00
Reid Spencer
45120b0798 For PR797: 
Change the Path::make*OnDisk methods exception free and adjust their usage.

llvm-svn: 29836
 2006-08-22 23:27:23 +00:00
Reid Spencer
353b72a7c0 Make the sys::Path::GetTemporaryDirectory method not throw exceptions and 
adjust users of it to compensate.

llvm-svn: 29831
 2006-08-22 19:01:30 +00:00
Chris Lattner
410c49afd3 Improve the LiveInterval class to keep track of which machine instruction 
defines each value# tracked by the interval.  This will be used to improve
coallescing.

llvm-svn: 29830
 2006-08-22 18:19:46 +00:00
Reid Spencer
4e1170d5d3 Fix some indentation. 
llvm-svn: 29825
 2006-08-22 17:38:05 +00:00
Chris Lattner
a6735ae8d1 add resize, move swap out of line 
llvm-svn: 29823
 2006-08-22 17:28:57 +00:00
Reid Spencer
e9b9e6a6c2 For PR797: 
Adjust users of MappedFile to its new non-throwing interface.  Note that in
most cases the lazy step of just throwing after a call to MappedFile was
installed. This was done in the name of incremental changes. Getting rid of
the new throw statements will take adjustment of interfaces and propagation
of errors to higher levels.  Those changes will come in subsequent patches.

llvm-svn: 29817
 2006-08-22 16:06:27 +00:00
Reid Spencer
9fbfd7c399 For PR797: 
Make MappedFile not throw any exceptions.

llvm-svn: 29816
 2006-08-22 16:04:22 +00:00
Chris Lattner
0a5e21e28d Switch to using smallvector for liveintervals. This speeds up live interval 
analysis 11% on kc++.

llvm-svn: 29812
 2006-08-22 06:32:56 +00:00
Chris Lattner
19d59ce917 add a bunch more operations, including swap, insert, erase, front(), and 
bugfixes for operator=.

llvm-svn: 29811
 2006-08-22 06:27:16 +00:00
Chris Lattner
2e9885371b move LiveInterval state all together 
llvm-svn: 29806
 2006-08-21 23:15:12 +00:00
Jim Laskey
db9724d6e4 Adding new Dwarf constants. 
llvm-svn: 29798
 2006-08-21 21:18:10 +00:00
Reid Spencer
8b5b0a7fb3 For PR797: 
Change interface for error recovery without exceptions.

llvm-svn: 29789
 2006-08-21 06:00:58 +00:00
Reid Spencer
88f6824b35 Fix the documentation for this file. 
llvm-svn: 29788
 2006-08-21 05:37:03 +00:00
Reid Spencer
eb02f1c668 For PR885: 
Consolidate the LinkAllAnalyses.h and LinkAllPasses.h headers into one
so there is no dupliation.

llvm-svn: 29787
 2006-08-21 05:34:03 +00:00
Reid Spencer
5ed787710d For PR797: 
Make sys::Program::ExecuteAndWait not throw exceptions and update any
affected code. It now return -9999 to signal that the program couldn't be
executed. Only one case (in bugpoint) actually examines the result code.

llvm-svn: 29785
 2006-08-21 02:04:43 +00:00
Chris Lattner
1bee472fca vpkuwus didn't work, due to this typo 
llvm-svn: 29776
 2006-08-18 19:25:35 +00:00
Reid Spencer
c7c0e6c6ef For PR797: 
Rid the Assembly Parser of exceptions. This is a really gross hack but it
will do until the Assembly Parser is re-written as a recursive descent.
The basic premise is that wherever the old "ThrowException" function was
called (new name: GenerateError) we set a flag (TriggerError). Every
production checks that flag and calls YYERROR if it is set. Additionally,
each call to ThrowException in the grammar is replaced with GEN_ERROR
which calls GenerateError and then YYERROR immediately. This prevents
the remaining production from continuing after an error condition.

llvm-svn: 29763
 2006-08-18 08:43:06 +00:00
Chris Lattner
db290f7479 Constify some methods. Patch provided by Anton Vayvod, thanks! 
llvm-svn: 29756
 2006-08-17 22:00:08 +00:00
Chris Lattner
a2eba83561 switch the SUnit pred/succ sets from being std::sets to being smallvectors. 
This reduces selectiondag time on kc++ from 5.43s to 4.98s (9%).  More
significantly, this speeds up the default ppc scheduler from ~1571ms to 1063ms,
a 33% speedup.

llvm-svn: 29743
 2006-08-17 00:09:56 +00:00
Chris Lattner
c0e2997872 add an accessor 
llvm-svn: 29739
 2006-08-16 22:57:08 +00:00
Chris Lattner
1e0b221fb2 Convert vector to smallvector: 4% speedup. 
llvm-svn: 29735
 2006-08-16 22:12:48 +00:00
Chris Lattner
402986c13f silence a warning. 
llvm-svn: 29734
 2006-08-16 22:09:24 +00:00
Chris Lattner
c1654416d6 Change the use_list to be a smallvector instead of a vector. This reduces 
isel time from 6.79s to 5.53s (22%) on kc++ with a release build on ppc.
Go smallvector! :)

llvm-svn: 29731
 2006-08-16 21:01:10 +00:00
Chris Lattner
cccfd59edf add a way to have multiple modules in a JIT :) 
llvm-svn: 29723
 2006-08-16 02:53:27 +00:00
Chris Lattner
1eabe5fb58 initial changes to support JIT'ing from multiple module providers, implicitly 
linking the program on the fly.

llvm-svn: 29721
 2006-08-16 01:24:12 +00:00
Chris Lattner
2cd25d1642 Bugfixes for smallvector when the element size is small and N is small. 
llvm-svn: 29720
 2006-08-16 01:23:31 +00:00
Chris Lattner
cb3adb8225 Start using SDVTList more consistently 
llvm-svn: 29711
 2006-08-15 19:11:05 +00:00
Chris Lattner
ff1826e850 add a new SDVTList type and new SelectionDAG::getVTList methods to streamline 
the creation of canonical VTLists.

llvm-svn: 29709
 2006-08-15 17:46:01 +00:00
Chris Lattner
28369b8d7d Make getNodeValueTypes methods public. 
llvm-svn: 29688
 2006-08-14 23:54:24 +00:00
Chris Lattner
8e8d9a3358 Add a new getNode() method that takes a pointer to an already-intern'd list 
of value-type nodes.  This avoids having to do mallocs for std::vectors of
valuetypes when a node returns more than one type.

llvm-svn: 29685
 2006-08-14 23:31:51 +00:00
Devang Patel
91349ea154 Avoid extra string copy. 
llvm-svn: 29684
 2006-08-14 23:27:36 +00:00
Devang Patel
c97ee74e6a Use mangler, instead of addUnderscore(), to get mangled name. 
Now, LLVMSymbol keeps symbol original name and mangled name.

llvm-svn: 29679
 2006-08-14 22:36:16 +00:00
Chris Lattner
9ff7eb17e0 remove SelectionDAG::InsertISelMapEntry, it is dead 
llvm-svn: 29677
 2006-08-14 22:24:39 +00:00
Chris Lattner
fe1fd00ce8 Add code to resize the CSEMap hash table. This doesn't speedup codegen of 
kimwitu, but seems like a good idea from a "avoid performance cliffs" standpoint :)

llvm-svn: 29675
 2006-08-14 22:19:25 +00:00
Chris Lattner
67305e3cf6 avoid a warning 
llvm-svn: 29674
 2006-08-14 21:47:50 +00:00
Nate Begeman
0e92042770 Emit .set directives for jump table entries when possible, which reduces 
the number of relocations in object files, shrinkifying them.

llvm-svn: 29650
 2006-08-12 21:29:52 +00:00
Chris Lattner
7d59e9d16c Track # nodes in a CSEMap. 
llvm-svn: 29643
 2006-08-12 01:07:51 +00:00
Chris Lattner
5510fa4ac5 Switch NodeID to track 32-bit chunks instead of 8-bit chunks, for a 2.5% 
speedup in isel time.

llvm-svn: 29640
 2006-08-11 23:55:53 +00:00
Chris Lattner
4966686ef8 remove IncludeFile turds in MathExtras.h, which bloats every .o file that 
#includes it.

llvm-svn: 29639
 2006-08-11 23:52:54 +00:00
Chris Lattner
870808beda move code out of line so that GCC doesn't inline it at -O3 
llvm-svn: 29636
 2006-08-11 23:40:23 +00:00
Chris Lattner
6c9bcb32a3 Split SmallVector into SmallVector and SmallVectorImpl, which allows us to 
eliminate code duplication due to the 'N' parameter.

llvm-svn: 29634
 2006-08-11 23:19:51 +00:00
Chris Lattner
a271f8f58c Remove 8 more std::map's. 
llvm-svn: 29631
 2006-08-11 21:55:30 +00:00
Chris Lattner
173c5fb3f3 remove old piece of the V9 backend. 
llvm-svn: 29628
 2006-08-11 21:11:35 +00:00
Chris Lattner
c3f78d1407 Start moving leaf nodes over to the CSEMap. 
llvm-svn: 29625
 2006-08-11 21:00:46 +00:00
Chris Lattner
c3def8c8f4 new method for adding ints 
llvm-svn: 29622
 2006-08-11 18:53:44 +00:00
Chris Lattner
3c504c013b eliminate the NullaryOps map, use CSEMap instead. 
llvm-svn: 29621
 2006-08-11 18:38:11 +00:00
Chris Lattner
d154649343 Change one ReplaceAllUsesWith method to take an array of operands to replaceinstead of a vector of operands. 
llvm-svn: 29617
 2006-08-11 17:46:44 +00:00
Chris Lattner
cc742c4155 Remove now-dead method. 
llvm-svn: 29615
 2006-08-11 17:40:26 +00:00
Chris Lattner
587718e305 remove a (now) unused getNode method. 
llvm-svn: 29613
 2006-08-11 17:25:05 +00:00
Chris Lattner
8dd142b7b7 Doxygenify some methods. 
llvm-svn: 29592
 2006-08-10 06:00:40 +00:00
Chris Lattner
7b1362fa52 Start eliminating temporary vectors used to create DAG nodes. Instead, pass 
in the start of an array and a count of operands where applicable.  In many
cases, the number of operands is known, so this static array can be allocated
on the stack, avoiding the heap.  In many other cases, a SmallVector can be
used, which has the same benefit in the common cases.

I updated a lot of code calling getNode that takes a vector, but ran out of
time.  The rest of the code should be updated, and these methods should be
removed.

We should also do the same thing to eliminate the methods that take a
vector of MVT::ValueTypes.

It would be extra nice to convert the dagiselemitter to avoid creating vectors
for operands when calling getTargetNode.

llvm-svn: 29566
 2006-08-08 02:23:42 +00:00
Chris Lattner
5f8473bc02 capacity is a pointer, not a value 
llvm-svn: 29564
 2006-08-08 01:54:17 +00:00
Chris Lattner
03c7b425a2 add a new assign method 
llvm-svn: 29562
 2006-08-08 01:44:16 +00:00
Chris Lattner
be2fc7b875 Eliminate some malloc traffic by allocating vectors on the stack. Change some 
method that took std::vector<SDOperand> to take a pointer to a first operand
and #operands.

This speeds up isel on kc++ by about 3%.

llvm-svn: 29561
 2006-08-08 01:09:31 +00:00
Chris Lattner
3bb43d2173 Add ctor that initializes from a range. 
llvm-svn: 29560
 2006-08-08 00:37:50 +00:00
Chris Lattner
3e1a9b0188 Remove assertions from the SmallVector class. They slow down clients of 
smallvector too much in a release build.  Removing them speeds up isel 4%.

llvm-svn: 29556
 2006-08-07 23:41:59 +00:00
Chris Lattner
8058dae7a7 New CSEMap datastructure impl 
llvm-svn: 29555
 2006-08-07 23:31:24 +00:00
Reid Spencer
20aee8ad5d Remove the use of "IncludeFile" from this support facility. The mechanism 
to build a loadable module is now correctly defined and documented so this
workaround isn't needed any longer.

llvm-svn: 29553
 2006-08-07 23:20:15 +00:00
Chris Lattner
1661ffa2eb Revamp the "CSEMap" datastructure used in the SelectionDAG class. This 
eliminates a bunch of std::map's in the SelectionDAG, replacing them with a
home-grown hashtable.

This is still a work in progress: not all the maps have been moved over and the
hashtable never resizes.  That said, this still speeds up llc 20% on kimwitu++
with -fast -regalloc=local using a release build.

llvm-svn: 29550
 2006-08-07 23:03:03 +00:00
Evan Cheng
a42653b7ae Move DAGSize to SelectionDAGISel; it's used in tablegen'd isel code. 
llvm-svn: 29547
 2006-08-07 22:16:08 +00:00
Chris Lattner
a4af471488 Add a clear method to SmallVector 
llvm-svn: 29542
 2006-08-07 05:45:34 +00:00
Chris Lattner
3bf9d47cf1 Silence a warning on x86-64, reported by chandlerc. 
llvm-svn: 29535
 2006-08-06 18:12:50 +00:00
Evan Cheng
627a71290f This causes some random crashes. 
llvm-svn: 29534
 2006-08-05 17:31:00 +00:00
Reid Spencer
982a99456c Update the auto* tools: autoconf 2.60, libtool 1.5.22, automake 1.9.6. 
Update ltld.[ch] to version 1.5.22.
Correct the notes about updating these tools (autoconf/README.TXT)
Add configure options for getting the correct option for including a whole
archive when linking.

llvm-svn: 29529
 2006-08-04 18:18:08 +00:00
Chris Lattner
154ffd3c8f Make SelectionDAG::RemoveDeadNodes iterative instead of recursive, which 
also make it simpler.

llvm-svn: 29524
 2006-08-04 17:45:20 +00:00
Chris Lattner
55dad5c6ac update comment 
llvm-svn: 29507
 2006-08-03 18:57:28 +00:00
Chris Lattner
0b8dd1f32f remove some more dead sparcv9 support stuff 
llvm-svn: 29506
 2006-08-03 18:55:44 +00:00
Devang Patel
5effcf449a Fix typo. 
llvm-svn: 29497
 2006-08-03 16:34:35 +00:00
Devang Patel
9cc4c00c10 Add new tool, lto, to do link time optimization. This tool installs 
dynamic library that linker can use to optimize llvm byte codes at
link time.

llvm-svn: 29494
 2006-08-03 15:44:57 +00:00
Evan Cheng
7bdbdf9ae7 AssignTopologicalOrder now returns the vector of SDNode* by reference to 
avoid the expensive operation of copying a vector.
It also returns a maximum id by value.

llvm-svn: 29478
 2006-08-02 21:58:44 +00:00
Jim Laskey
6d121090d3 Final polish on machine pass registries. 
llvm-svn: 29471
 2006-08-02 12:30:23 +00:00
Jim Laskey
f850832788 Breaking out specialized classes. 
llvm-svn: 29470
 2006-08-02 12:27:50 +00:00
Chris Lattner
58aeae17a7 Add dominates/properlyDominates queries to IDom. 
llvm-svn: 29456
 2006-08-01 22:24:47 +00:00