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8273 Commits

Author SHA1 Message Date
Chris Lattner
7a2566c4ff Add hooks to free all memory allocated by the singleton factories in these 
files.  Patch contributed by Morten Ofstad!

llvm-svn: 17995
 2004-11-19 16:39:44 +00:00
Chris Lattner
a973b1a1a4 CPR is dead. 
llvm-svn: 17992
 2004-11-19 16:24:57 +00:00
Chris Lattner
e5662f4700 Add note that this is for old bytecode files. 
llvm-svn: 17991
 2004-11-19 16:24:05 +00:00
Chris Lattner
598ab60438 Mission accomplished! 
llvm-svn: 17990
 2004-11-19 16:22:24 +00:00
Reid Spencer
e61dec5896 Allow this to compile even on machines that HAVE the bzlib library but do 
NOT have the bzlib.h header file. Go figure.

llvm-svn: 17989
 2004-11-19 15:56:28 +00:00
Chris Lattner
0169ce5e9e This is a horrible hack to work around libstdc++ bugs :( 
llvm-svn: 17988
 2004-11-19 08:44:07 +00:00
Nate Begeman
83cded0ecb Eliminate another 6k register copies that the register allocator would just 
coalesce out of hbd.  Speeds up compilation by 2% (0.6s)

llvm-svn: 17987
 2004-11-19 08:01:16 +00:00
Reid Spencer
c385bbef7b Undo last change as its unnecessary. 
llvm-svn: 17985
 2004-11-19 04:59:07 +00:00
Reid Spencer
640ab4f4f6 Don't save an iterator, just use post-increment. 
llvm-svn: 17981
 2004-11-19 03:44:10 +00:00
Reid Spencer
fb0e585554 Eliminate unsightly ;; 
llvm-svn: 17979
 2004-11-19 03:27:05 +00:00
Reid Spencer
a2e2f5c878 Make a cast explicit. 
llvm-svn: 17977
 2004-11-19 03:20:09 +00:00
Reid Spencer
a181a37bb4 Make findModulesDefiningSymbols modify its symbols argument so we can \ 
eliminate symbols defined by the archive efficiently

llvm-svn: 17976
 2004-11-19 03:18:22 +00:00
Reid Spencer
119f824e80 Reduce the amount of work in LinkInArchive by not searching the archive for 
symbols it has already identified as not defining.

llvm-svn: 17975
 2004-11-19 03:13:25 +00:00
Nate Begeman
de1fd6a162 Generate fewer reg-reg copies for the register allocator to deal with. 
This eliminates over 2000 in hbd alone.

llvm-svn: 17973
 2004-11-19 02:06:40 +00:00
Chris Lattner
ce8249f570 Delete stoppoints that occur for the same source line. 
llvm-svn: 17970
 2004-11-18 21:41:39 +00:00
Tanya Lattner
bd01287efd Fixed to fit in 80 columns. 
llvm-svn: 17961
 2004-11-18 18:47:29 +00:00
Tanya Lattner
d29c748a57 Adding option to llc for ModuloScheduling. By default it is turned off. 
llvm-svn: 17959
 2004-11-18 18:38:01 +00:00
Chris Lattner
a06c8cfe80 These methods are inlined 
llvm-svn: 17958
 2004-11-18 17:47:13 +00:00
Chris Lattner
7fb7c81ebf Check in hook that I forgot 
llvm-svn: 17956
 2004-11-18 17:24:20 +00:00
Brian Gaeke
23969d8817 Rewrite LoadArgumentsToVirtualRegs, making it match almost exactly how 
visitCallInst works.  Support cast of byte/short/int to long.

llvm-svn: 17949
 2004-11-18 07:43:33 +00:00
Brian Gaeke
b01ef957b9 Update current expected failures list - expand it to include all of 
SingleSource. Update to-do list (open-coding refers to binary operations on
longs, not to passing them into functions, which we already support.)

llvm-svn: 17948
 2004-11-18 07:43:32 +00:00
Nate Begeman
567d30174a Eliminate another common source of moves that the register allocator 
shouldn't be forced to coalesce for us: folded GEP operations.  This too
fires thousands of times across the testsuite.

llvm-svn: 17947
 2004-11-18 07:22:46 +00:00
Nate Begeman
3e1aaef2b5 When accessing the base register for global variables, use the register 
directly rather than making a copy for the register allocator to coalesce.
This kills thousands of live intervals across the testsuite.

llvm-svn: 17946
 2004-11-18 06:51:29 +00:00
Chris Lattner
ccd7bfb561 * There is no reason for SpillWeights to be an instance var 
* Do not put fixed registers into the unhandled set.  This means they will
  never find their way into the inactive, active, or handled sets, so we
  can simplify a bunch of code.

llvm-svn: 17945
 2004-11-18 06:01:45 +00:00
Chris Lattner
60c90d623f There is no need to check to see if j overflowed in this loop as we're only 
incrementing i.

llvm-svn: 17944
 2004-11-18 05:28:21 +00:00
Chris Lattner
2c16205a0d Moderate head scratching reveals that this conditional is not needed. If 
i->start == j->start, then certainly i->end > j->start.

llvm-svn: 17943
 2004-11-18 05:19:02 +00:00
Nate Begeman
7e254235e2 Clean up and fix cast codegen by removing cases that are handled elsewhere, 
and properly emitting signed short to unsigned int.  This fixes the last
regression vs. the CBE, MultiSource/Applications/hbd.

llvm-svn: 17942
 2004-11-18 04:56:53 +00:00
Reid Spencer
c1871a4eaa Dynamic Library abstraction. This makes the abstraction of a single dynamic 
library (shared library/shared object) whose symbols can be looked up
dynamically. Used for plug-ins.

llvm-svn: 17940
 2004-11-18 04:33:39 +00:00
Chris Lattner
e9ab36314d Fix a couple of bugs where we considered physregs past their range as possibly 
intersecting an interval.

llvm-svn: 17939
 2004-11-18 04:33:31 +00:00
Chris Lattner
c23cebb206 Fix typeo 
llvm-svn: 17938
 2004-11-18 04:31:10 +00:00
Chris Lattner
3a6991f745 Start using the iterators in the fixed_ intervals to avoid having to binary 
search physreg intervals every time we access it.  This takes another
half second off of linscan.

llvm-svn: 17937
 2004-11-18 04:13:02 +00:00
Chris Lattner
189acb3955 Take another .7 seconds off of linear scan time. 
llvm-svn: 17936
 2004-11-18 04:02:11 +00:00
Chris Lattner
a52650a18a Add a counter for the number of times linscan has to backtrack. Start using 
the iterator hints we have to speed up overlaps().  This speeds linscan up
by about .2s (out of 8.7) on 175.vpr for PPC.

llvm-svn: 17935
 2004-11-18 03:49:30 +00:00
Chris Lattner
2edc3cec62 Add ability to give hints to the overlaps routines. 
llvm-svn: 17934
 2004-11-18 03:47:34 +00:00
Chris Lattner
18ced80110 * Improve comments/documentation substantially 
* Eliminate the releaseMemory method, this is not an analysis
* Change the fixed, active, and inactive lists of intervals to maintain an
  iterator for the current position in the interval.  This allows us to do
  constant time increments of the iterator instead of having to do a binary
  search to find our liverange in our liveinterval all of the time, which
  substantially speeds up cases where LiveIntervals have many LiveRanges
  - which is very common for physical registers.  On targets with many
  physregs, this can make a noticable difference.

  With a release build of LLC for PPC, this halves the time in
  processInactiveIntervals and processActiveIntervals, from 1.5s to .75s.

  This also lays the ground for more to come.

llvm-svn: 17933
 2004-11-18 02:42:27 +00:00
Chris Lattner
3bf87c8f95 Add new advanceTo method 
llvm-svn: 17932
 2004-11-18 02:37:31 +00:00
Chris Lattner
77a4102d91 Fix a minor bug in expiredAt. endNumber() is the first number that is not valid. 
llvm-svn: 17931
 2004-11-18 01:34:44 +00:00
Chris Lattner
ddc898639f Rename some methods, use 'begin' instead of 'start', add new LiveInterval 
iterator/begin/end members.

llvm-svn: 17930
 2004-11-18 01:29:39 +00:00
Brian Gaeke
77ddfa2495 Allocate fewer registers and tighten up alignment restrictions. 
llvm-svn: 17929
 2004-11-18 00:25:20 +00:00
Brian Gaeke
cc4074987b Update to-do list. 
llvm-svn: 17927
 2004-11-17 22:33:55 +00:00
Brian Gaeke
0963d035c6 Update list of failing SingleSource Benchmarks 
llvm-svn: 17926
 2004-11-17 22:33:28 +00:00
Brian Gaeke
70a111317a We were (somehow) getting the wrong branch opcode for setcc float instrs. 
llvm-svn: 17925
 2004-11-17 22:06:56 +00:00
Alkis Evlogimenos
b9e38d3cc5 Make ReturnInst accept a value of type void as the return value. The 
ReturnInst constructed is the same as if NULL was passed instead of
the void value.

llvm-svn: 17923
 2004-11-17 21:02:25 +00:00
Reid Spencer
a98ccac6fc Fix some things for Mac OSX archives: 
* ensure trailing spaces are eliminated so they don't factor into the
  length of a member's name.
* make sure all the bytes of a name are written even if the name ends in
  multiple null characters (bug in OSX ar)
* make sure we provide the full member name when searching for symbols so
  the module name is not accidentally duplicated.

llvm-svn: 17918
 2004-11-17 18:28:29 +00:00
Reid Spencer
3e245bd4d5 Make sure we parse bytecode with a module identifier that reflects the full 
name of the module: "Archive.a(object.o)"

llvm-svn: 17917
 2004-11-17 18:25:21 +00:00
Chris Lattner
5a2ce1faab Generalize this code to turn any cast-to-first-element-of into a gep constexpr 
llvm-svn: 17914
 2004-11-17 17:59:35 +00:00
Chris Lattner
bd02c10b87 Simplify conditional and fix LICM/2004-11-17-UndefIndexCrash.ll 
by saying what we mean

llvm-svn: 17913
 2004-11-17 17:39:39 +00:00
Reid Spencer
b9fbea4c79 Adjust long file name writing to match BSD 4.4 and Mac OSX style archives. 
llvm-svn: 17910
 2004-11-17 16:14:21 +00:00
Reid Spencer
f59013e0fa Despite documentation to the contrary, Mac OSX and BSD 4.4 archive formats 
*do* include the length of the long file in the length of the member and
they are *not* null terminated.

llvm-svn: 17909
 2004-11-17 16:13:11 +00:00
Tanya Lattner
18118cf0c3 Added my own defMap. Only saving values that are not loop invariant. Fixed a couple of assertions that were triggered due to registers not being allocated. These both had to do with PHINodes. 
llvm-svn: 17907
 2004-11-16 21:31:37 +00:00