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58 Commits

Author SHA1 Message Date
Chris Lattner 62702da070 Implement the first half of redundancy factoring: efficiently 
splitting all the patterns under scope nodes into equality sets
based on their first node.  The second step is to rewrite the
graph info a form that exposes the sharing.  Before I do this, 
I want to redesign the Scope node.

llvm-svn: 97130
 2010-02-25 07:45:24 +00:00
Chris Lattner 2c3f6492b0 rename fooMatcherNode to fooMatcher. 
llvm-svn: 97096
 2010-02-25 02:04:40 +00:00
Chris Lattner c36ab923c6 add some noop code to push it out of my tree. 
llvm-svn: 97094
 2010-02-25 01:57:41 +00:00
Chris Lattner ac55f9df88 rename PushMatcherNode -> ScopeMatcherNode to more accurately 
reflect what it does.  Switch the sense of the Next and the Check
arms to be more logical.  No functionality change.

llvm-svn: 97093
 2010-02-25 01:56:48 +00:00
Chris Lattner 0c95baa848 contract movechild+checktype into a new checkchild node, shrinking the 
x86 table by 1200 bytes.

llvm-svn: 97053
 2010-02-24 20:15:25 +00:00
Chris Lattner 6b79232138 split the movechild/record/moveparent -> recordchild optzn into a 
movechild/record -> recordchild/movechild and 
movechild/moveparent -> noop xforms.  This slightly shrinks the tables
(x86 to 117454) and enables adding future improvements.

llvm-svn: 97051
 2010-02-24 19:52:48 +00:00
Chris Lattner ab41756c2e implement a simple proof-of-concept optimization for 
the new isel: fold movechild+record+moveparent into a
single recordchild N node.  This shrinks the X86 table
from 125443 to 117502 bytes.

llvm-svn: 97031
 2010-02-24 07:31:45 +00:00
Chris Lattner e7327435a7 The new isel passes all tests, time to start making it go fast. 
Also add an easy macro at the top of DAGISelEmitter.cpp to enable
it.  Lets see if I can avoid accidentally turning it on :)

llvm-svn: 97029
 2010-02-24 07:06:50 +00:00