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11704 Commits

Author SHA1 Message Date
Chris Lattner a9691fe70d Fix typeo 
llvm-svn: 13089
 2004-04-21 14:23:18 +00:00
Chris Lattner c87784f1fc REALLY fix PR324: don't delete linkonce functions until after the SCC traversal 
is done, which avoids invalidating iterators in the SCC traversal routines

llvm-svn: 13088
 2004-04-20 22:06:53 +00:00
Chris Lattner 99504890b7 Pass the callgraph not the module 
llvm-svn: 13087
 2004-04-20 21:52:26 +00:00
Chris Lattner a45086a45e Allow getting the module from a call graph 
llvm-svn: 13086
 2004-04-20 21:52:12 +00:00
Chris Lattner 0a985ac82c Change it to take a callgraph, from which we can get a module 
llvm-svn: 13085
 2004-04-20 21:52:07 +00:00
Chris Lattner 8d0838130c Add the ability for SCC passes to initialize and finalize themselves 
llvm-svn: 13084
 2004-04-20 21:30:06 +00:00
Chris Lattner c1aa21f5a7 Fix PR325 
llvm-svn: 13081
 2004-04-20 20:26:03 +00:00
Chris Lattner 514934051a Fix PR324 and testcase: Inline/2004-04-20-InlineLinkOnce.llx 
llvm-svn: 13080
 2004-04-20 20:20:59 +00:00
Chris Lattner 40123bff5b New testcase, distilled from PR324 
llvm-svn: 13079
 2004-04-20 20:15:01 +00:00
Brian Gaeke a2f66db6c4 Make it legal to ask for the type of a specialreg 
llvm-svn: 13078
 2004-04-20 20:12:57 +00:00
Brian Gaeke 86a6c75a7e Add some PRs which were fixed, but not previously mentioned in the rel. notes. 
llvm-svn: 13077
 2004-04-20 18:18:46 +00:00
Chris Lattner 2b2d7a99be Add support for the select instruction 
llvm-svn: 13076
 2004-04-20 16:43:21 +00:00
Brian Gaeke 6c272a93bb Make it legal to request a load or store of %fsr. 
llvm-svn: 13073
 2004-04-19 19:12:12 +00:00
Brian Gaeke 627abf14bb Fix typo. 
llvm-svn: 13072
 2004-04-19 19:09:24 +00:00
Brian Gaeke 755651df27 Regularize include guards and remove some excess whitespace. 
llvm-svn: 13071
 2004-04-19 18:53:44 +00:00
Brian Gaeke 2fd2536ea8 Tighten up SparcV9FloatCCRegClass::getRegName()'s assertion - if you ask it for 
the name of %fsr (as the comment in SparcV9RegClassInfo.h used to suggest)
you would walk off the end of the FloatCCRegName array.

llvm-svn: 13070
 2004-04-19 18:53:43 +00:00
Brian Gaeke 85cb77737c Regularize include guards, remove some excess whitespace and fix some comments. 
Remove the extra %fsr register from SparcV9FloatCCRegClass.

llvm-svn: 13069
 2004-04-19 18:53:42 +00:00
Chris Lattner f48f777d4c Initial checkin of a simple loop unswitching pass. It still needs work, 
but it's a start, and seems to do it's basic job.

llvm-svn: 13068
 2004-04-19 18:07:02 +00:00
Chris Lattner ceea37590f New testcase 
llvm-svn: 13067
 2004-04-19 18:06:34 +00:00
Chris Lattner 1c9fb0007e Add accessor for a Loop Unswitching pass 
llvm-svn: 13066
 2004-04-19 06:28:37 +00:00
Chris Lattner 46f888dd80 Eliminate a poorly conceived method 
llvm-svn: 13065
 2004-04-19 06:26:46 +00:00
Chris Lattner 663ebc3ec6 It's not just a printer, it's actually an analysis too 
llvm-svn: 13064
 2004-04-19 03:42:32 +00:00
Misha Brukman ce89b392c6 As per Chris, greatly simplify handling of external functions by using the 
wrapper idea uniformly: we can use Value::replaceAllUsesWith() instead of
special-casing by class of user.

llvm-svn: 13063
 2004-04-19 03:36:47 +00:00
Misha Brukman d2493e1565 * Remove note about "UNSUPPORTED: " feature that just became supported 
* Fix usage of <p> tag and some grammar

llvm-svn: 13062
 2004-04-19 03:28:39 +00:00
Misha Brukman 8a32c6d91b * Reorder #includes 
* Wrap a long line

llvm-svn: 13061
 2004-04-19 03:12:35 +00:00
Misha Brukman 4825e215c0 Display sample bugpoint output with the `code' stylesheet class. 
llvm-svn: 13060
 2004-04-19 03:07:29 +00:00
Chris Lattner 5414021060 * Improve file header comment 
* Remove #include
* Add some methods to update loop/loopinfo
* Stop explicitly holding the loop depth in the Loop class.  Instead, just
  dynamically calculate it.  This makes it easier to update LoopInfo as a
  result of transformations.

llvm-svn: 13059
 2004-04-19 03:03:19 +00:00
Chris Lattner 32447c55fe Remove code to update loop depths 
llvm-svn: 13058
 2004-04-19 03:02:09 +00:00
Chris Lattner bc02177fdc Add #include 
llvm-svn: 13057
 2004-04-19 03:01:23 +00:00
Misha Brukman e70502328e Add notes about PRs 38 and 290 being fixed. 
llvm-svn: 13056
 2004-04-19 03:01:01 +00:00
Misha Brukman 017f2f3405 Wrap (some) lines to 80 cols. 
llvm-svn: 13055
 2004-04-19 02:56:49 +00:00
Misha Brukman 8301864215 Finally implement rewriting global initializers which use external functions 
by creating an internal wrapper function with same signature as the external
function, and use it instead of the "real" function.

The wrapper then calls the external function using the same JIT function
resolution API that has been used before for rewriting instructions, since the
wrapper has an explicit call instruction which we can rewrite.

llvm-svn: 13054
 2004-04-19 01:12:01 +00:00
Chris Lattner 732b5d5bba Provide an interface that is more convenient for iterating over the blocks 
in a loop.

llvm-svn: 13052
 2004-04-18 23:37:03 +00:00
Chris Lattner fc44a25bcb Move isLoopInvariant to the Loop class 
llvm-svn: 13051
 2004-04-18 22:46:08 +00:00
Chris Lattner 26ba2f5fe8 Add new method 
llvm-svn: 13050
 2004-04-18 22:45:27 +00:00
Chris Lattner d4d66c86c0 Add new method. 
llvm-svn: 13049
 2004-04-18 22:45:16 +00:00
Chris Lattner 827826320d Correct rewriting of exit blocks after my last patch 
llvm-svn: 13048
 2004-04-18 22:27:10 +00:00
Chris Lattner d6ce359d3b Fix computation of exit blocks 
llvm-svn: 13047
 2004-04-18 22:21:41 +00:00
Chris Lattner 35eaa55cfc Loop exit sets are no longer explicitly held, they are dynamically computed on demand. 
llvm-svn: 13046
 2004-04-18 22:15:13 +00:00
Chris Lattner d72c3eb54e Change the ExitBlocks list from being explicitly contained in the Loop 
structure to being dynamically computed on demand.  This makes updating
loop information MUCH easier.

llvm-svn: 13045
 2004-04-18 22:14:10 +00:00
Chris Lattner bf3c8763c0 Spiff is no longer in our tree 
llvm-svn: 13041
 2004-04-18 18:26:38 +00:00
Chris Lattner d15250240c Reduce the unrolling limit 
llvm-svn: 13040
 2004-04-18 18:06:14 +00:00
Chris Lattner 30ae18155d If the preheader of the loop was the entry block of the function, make sure 
that the exit block of the loop becomes the new entry block of the function.

This was causing a verifier assertion on 252.eon.

llvm-svn: 13039
 2004-04-18 17:38:42 +00:00
Chris Lattner 230bcb6b35 Be much more careful about how we update instructions outside of the loop 
using instructions inside of the loop.  This should fix the MishaTest failure
from last night.

llvm-svn: 13038
 2004-04-18 17:32:39 +00:00
Chris Lattner 3796974563 Another testcase 
llvm-svn: 13037
 2004-04-18 06:55:57 +00:00
Chris Lattner e375a4fdc2 Implement method 
llvm-svn: 13036
 2004-04-18 06:54:48 +00:00
Chris Lattner 5f46b7044c Add a new method 
llvm-svn: 13035
 2004-04-18 06:54:34 +00:00
Chris Lattner 4d52e1e401 After unrolling our single basic block loop, fold it into the preheader and exit 
block.  The primary motivation for doing this is that we can now unroll nested loops.

This makes a pretty big difference in some cases.  For example, in 183.equake,
we are now beating the native compiler with the CBE, and we are a lot closer
with LLC.

I'm now going to play around a bit with the unroll factor and see what effect
it really has.

llvm-svn: 13034
 2004-04-18 06:27:43 +00:00
Chris Lattner f2cc841619 Fix a bug: this does not preserve the CFG! 
While we're at it, add support for updating loop information correctly.

llvm-svn: 13033
 2004-04-18 05:38:37 +00:00
Chris Lattner 1472c63fb9 Add a new method, add a check missing that caused a segfault if a loop didn't 
have a canonical indvar

llvm-svn: 13032
 2004-04-18 05:38:05 +00:00