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105 Commits

Author SHA1 Message Date
Chris Lattner 02a9776b64 reduce redundancy in the hashing code and other misc cleanups. 
llvm-svn: 122720
 2011-01-03 01:10:08 +00:00
Chris Lattner 0844c76f9a fix some pastos 
llvm-svn: 122718
 2011-01-02 23:29:58 +00:00
Chris Lattner 8fac5db251 add DEBUG and -stats output to earlycse. 
Teach it to CSE the rest of the non-side-effecting instructions.

llvm-svn: 122716
 2011-01-02 23:19:45 +00:00
Chris Lattner 18ae5436b1 Enhance earlycse to do CSE of casts, instsimplify and die. 
Add a testcase.

llvm-svn: 122715
 2011-01-02 23:04:14 +00:00
Chris Lattner 704541bb23 sketch out a new early cse pass. No functionality yet. 
llvm-svn: 122713
 2011-01-02 21:47:05 +00:00