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18 Commits

Author SHA1 Message Date
Chris Lattner 8ed3c8aa13 Implement test/Regression/Transforms/GCSE/undefined_load.ll 
llvm-svn: 12641
 2004-04-03 00:45:16 +00:00
Chris Lattner 8ad948ddbd Add some missing functions. Make sure to handle calls together in case the 
client has another VN implementation that can VN calls.

llvm-svn: 12427
 2004-03-16 03:41:35 +00:00
Chris Lattner 53a3587997 Implement CSE of call instructions in the most trivial case. This implements 
GCSE/call_cse.ll

llvm-svn: 12419
 2004-03-15 05:44:59 +00:00
Chris Lattner e3f247bcac In a "seeing the forest through the trees" kinda situation, I realized that a 
complete rewrite of load-vn will make it a bit faster.  This changes speeds up
the gcse pass (which uses load-vn) from 25.45s to 0.42s on the testcase in
PR209.

I've also verified that this gives the exact same results as the old one.

llvm-svn: 11132
 2004-02-05 17:20:00 +00:00
Chris Lattner d3e4d81ad7 This is a big diff with no functionality change. We just reorder some code, 
which causes big reindentation.  While I'm at it, I fix the fixme by removing
some dead code.

llvm-svn: 11131
 2004-02-05 05:56:23 +00:00
Chris Lattner 90b9043ea5 finegrainify namespacification 
llvm-svn: 11130
 2004-02-05 05:51:40 +00:00
Tanya Lattner cb435541c4 Fixed Chris' typo. 
llvm-svn: 11128
 2004-02-05 04:45:21 +00:00
Chris Lattner 5bab6301ac Implement optimizations for handling large basic blocks. 
llvm-svn: 11126
 2004-02-05 00:36:43 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Misha Brukman 329983228f Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Misha Brukman 250f976eb3 Spell `definitely' correctly. 
llvm-svn: 8466
 2003-09-11 15:31:17 +00:00
Chris Lattner c4e76944d7 Fix bug: RLE-Preserve-Volatile.ll 
Volatile loads and stores must not be value numbered

llvm-svn: 8398
 2003-09-08 18:13:58 +00:00
Misha Brukman 7eb05a170a Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner 426b890f0d If the alias analysis algorithm we are using can provide MUST alias information, 
expose it directly as value numbering information

llvm-svn: 6972
 2003-06-29 00:53:34 +00:00
Chris Lattner 98105944b3 Implement forwarding from stores to loads of must-aliased pointers. 
This implements: GCSE/2003-06-13-LoadStoreEliminate.ll

llvm-svn: 6694
 2003-06-16 12:06:41 +00:00
Chris Lattner 0edc91ff2a Calculate and pass load sizes to the alias analysis infrastructure 
llvm-svn: 5635
 2003-02-26 19:27:35 +00:00
Chris Lattner 2dd49e525c Initial implementation of value numbering for load instructions 
llvm-svn: 3540
 2002-08-30 20:28:10 +00:00