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298 Commits

Author SHA1 Message Date
Vikram S. Adve
85a358583f Remove spurious caller pointer in DSCallSite. 
Also add functions to access pointer argument nodes cleanly.

llvm-svn: 4235
 2002-10-20 21:41:02 +00:00
Chris Lattner
ff8176c481 This function can be static 
llvm-svn: 4234
 2002-10-20 20:39:31 +00:00
Chris Lattner
cf6f36ae27 Fix previous checkin :( 
llvm-svn: 4233
 2002-10-20 20:39:17 +00:00
Chris Lattner
2f778ae5aa Avoid extra callSite copy 
llvm-svn: 4232
 2002-10-20 20:32:13 +00:00
Chris Lattner
3af7377974 Print the array flag 
llvm-svn: 4231
 2002-10-20 20:29:10 +00:00
Vikram S. Adve
c02c96c3de Added a first-class representation for each call site that can be 
used in the DS graphs.  Essentially, what was vector<DSNodeHandle>
before is now a DSCallSite with the same vector, plus pointers to the
CallInst and the caller Function.  The special-purpose class
BUDataStructure::CallSite is no longer needed.

llvm-svn: 4228
 2002-10-20 18:07:37 +00:00
Chris Lattner
efc251af3d Convert typerec to be a structure instead of a pair 
llvm-svn: 4226
 2002-10-18 18:22:46 +00:00
Chris Lattner
bd5e932aeb Print Mod/ref info 
llvm-svn: 4224
 2002-10-17 22:13:28 +00:00
Chris Lattner
51b2abb899 Calculate mod/ref info 
llvm-svn: 4223
 2002-10-17 22:13:19 +00:00
Chris Lattner
4e44ccce8a Remove more obsolete code 
llvm-svn: 4221
 2002-10-17 20:53:12 +00:00
Chris Lattner
2ffe6a8e0b * Make the DSGraph cloner automatically merge global nodes 
* BUClosure doesn't have to worry about global nodes
 * TDClosure now works with global nodes
 * Reenable DNE on TD pass, now that globals work right

llvm-svn: 4220
 2002-10-17 20:09:52 +00:00
Chris Lattner
920190f83a Remove obsolete code 
llvm-svn: 4218
 2002-10-17 04:58:10 +00:00
Chris Lattner
90ccd73585 Enable incompleteness marking 
llvm-svn: 4217
 2002-10-17 04:57:28 +00:00
Chris Lattner
5028142e9a * First try at implementing TD pass this does not merge global nodes yet, 
among other things.
  * Significant rewrite of TD pass to avoid potentially N^2 algorithms if
    possible.  It is still not complete, but at least it's checked in now.

llvm-svn: 4215
 2002-10-17 04:26:54 +00:00
Chris Lattner
b61fe19f98 Reenable printing of TD analysis 
llvm-svn: 4214
 2002-10-17 04:24:30 +00:00
Chris Lattner
0c48561a9e * Add data structures and code to track the call sites for each function 
llvm-svn: 4213
 2002-10-17 04:24:08 +00:00
Chris Lattner
516c8391c7 Cleanup data structure graph printer, eliminate hard coded printing in 
favor of generic printer.

llvm-svn: 4209
 2002-10-17 01:02:46 +00:00
Chris Lattner
1e46327844 Make sure to print out the call nodes as well 
llvm-svn: 4203
 2002-10-16 20:16:16 +00:00
Chris Lattner
278e5a3fe6 * Print the "return" node in the graphs 
llvm-svn: 4199
 2002-10-16 02:04:36 +00:00
Chris Lattner
3702063ff3 The second element of the iterator is really an offset, not a link 
llvm-svn: 4196
 2002-10-16 01:43:11 +00:00
Chris Lattner
9ed6bfa052 Specify the graph name 
llvm-svn: 4195
 2002-10-16 01:34:28 +00:00
Chris Lattner
afeca1f7f6 - DSGraph Printing Improvements: 
* Print edge source labels again
     * Override node shape to be Mrecord again, instead of just record.

llvm-svn: 4193
 2002-10-16 01:18:27 +00:00
Chris Lattner
ee64370eb5 Halfway conversion from custom printing to GraphWriter printing 
llvm-svn: 4146
 2002-10-13 19:31:57 +00:00
Vikram S. Adve
5b3555bdd3 Use PARALLEL_DIRS. 
llvm-svn: 4114
 2002-10-11 16:08:17 +00:00
Misha Brukman
b4940744de Added capability to get execution count of a loop if it is a predictable 
number of iterations.

llvm-svn: 4113
 2002-10-11 05:34:32 +00:00
Misha Brukman
d55cfa6b94 Added helper functions in LoopInfo: isLoopExit and numBackEdges. 
llvm-svn: 4112
 2002-10-11 05:31:10 +00:00
Chris Lattner
a923b0f49f Handle post dominance correctly in the case where blocks do not have a path to 
the exit node.

llvm-svn: 4038
 2002-10-04 14:50:20 +00:00
Chris Lattner
eeecc3e1b3 Prune function nodes that are no longer referenced due to inlining 
llvm-svn: 4036
 2002-10-03 21:55:28 +00:00
Chris Lattner
8f603615d8 sgefa uses truely huge data structures nodes. Only print part of them if they 
are so big

llvm-svn: 4035
 2002-10-03 21:55:13 +00:00
Chris Lattner
31d4a68166 Handle bug exposed by power benchmark 
llvm-svn: 4033
 2002-10-03 21:06:38 +00:00
Chris Lattner
fcdb95cd42 Reimplement/port the Bottom Up Closure pass 
llvm-svn: 4031
 2002-10-03 20:38:41 +00:00
Chris Lattner
e52f808665 DataStructure.h doesn't include DSGraph.h 
llvm-svn: 4029
 2002-10-02 22:14:38 +00:00
Chris Lattner
62ca2aa593 * Implement fully general merging of array subscripts on demand! This 
does not handle the initial pointer index case yet though.

llvm-svn: 4012
 2002-10-02 06:24:36 +00:00
Chris Lattner
5f38d9c112 When printing DS nodes, print the mergemap index as well to allow easier 
debugging of merging process.

llvm-svn: 4010
 2002-10-02 05:17:55 +00:00
Chris Lattner
8c25c1a641 * Significant rework of DSNode to support arbitrary aliasing due to merging 
* Now all and any bytes of a DSNode can be merged together individually.  This
  is neccesary to support the full generality of C and support aliasing
  correctly.

llvm-svn: 4008
 2002-10-02 04:57:39 +00:00
Chris Lattner
9fc451723d Initial checkin of Steensgaards context insensitive flow insensitive 
alias analysis

llvm-svn: 3997
 2002-10-01 22:34:12 +00:00
Chris Lattner
c1b7de86d5 Checkin some major reworks of data structure analysis. This is not done, 
nor does it work very well, but I need to get it checked in before I break
the tree unintentionally.

llvm-svn: 3996
 2002-10-01 22:33:50 +00:00
Chris Lattner
53be50fb2f Minor tweak 
llvm-svn: 3985
 2002-09-29 22:59:29 +00:00
Chris Lattner
45c83d6451 Fix printing of loop information 
llvm-svn: 3977
 2002-09-29 21:43:04 +00:00
Chris Lattner
a9bc408104 First try at implementing the AliasSetTracker class. I'm sure it will need 
revision as I start to use it though.

llvm-svn: 3954
 2002-09-26 21:49:07 +00:00
Chris Lattner
8b97a81265 Fix printing of loop information 
llvm-svn: 3941
 2002-09-26 16:15:54 +00:00
Chris Lattner
bfa0786c7e - Add new methods to LoopInfo: getLoopPreheader, addBasicBlockToLoop. 
These allow extra information to be easily gathered, and loopinfo to be
    updated.

llvm-svn: 3936
 2002-09-26 05:32:50 +00:00
Chris Lattner
04af33fe09 Convert BasicVN to be an ImmutablePass 
llvm-svn: 3924
 2002-09-25 22:27:25 +00:00
Chris Lattner
34d9c4ec10 Make users of FindUsedTypes not have problems with linkage. This fixes 
Cwriter.

llvm-svn: 3900
 2002-09-24 00:07:21 +00:00
Chris Lattner
9275e21d28 Clean up indvar printing 
llvm-svn: 3650
 2002-09-10 15:35:39 +00:00
Chris Lattner
fb6bb789a1 * Add capability to recognize alias properties of the following common cases: 
- A[c1] cannot alias A[c2] where constants c1 != c2
  - A[i] cannot alias B[j] if A & B are provably different arrays

This should help out array based codes.  For example, from bzip2 from spec,
3 additional loads can be GCSE'd, and _21_ additional loads can be LICMd due
to this change.

In a test example from the Spec GAP benchmark (vecffe.c), this change allows
_52_ additional loads to be GCSE'd and _224_ additional LICM'd loads.

Not bad for such a simple change.  Other testcases show no change at all
because they just don't use arrays.  Not too suprising there.

llvm-svn: 3616
 2002-09-08 18:45:18 +00:00
Chris Lattner
e4bba98678 - Renamed Type::isIntegral() to Type::isInteger() 
- Added new method Type::isIntegral() that is the same as isInteger, but
    also accepts bool.
SCVS: ----------------------------------------------------------------------

llvm-svn: 3572
 2002-09-03 01:05:48 +00:00
Chris Lattner
838248b35a - Eliminate the last traces of the 'analysis' namespace 
llvm-svn: 3550
 2002-08-30 22:53:53 +00:00
Chris Lattner
c94462fbe9 Minor cleanups so I can remove BasicValueNumbering.h 
llvm-svn: 3544
 2002-08-30 22:30:36 +00:00
Chris Lattner
8b13415389 initial implementation of ValueNumbering interface. 
llvm-svn: 3541
 2002-08-30 20:29:02 +00:00