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4 Commits

Author SHA1 Message Date
Chris Lattner
23cfda719e contract movechild+checktype into a new checkchild node, shrinking the 
x86 table by 1200 bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 20:15:25 +00:00
Chris Lattner
22c48b384c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 19:52:48 +00:00
Chris Lattner
19b5a7590b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 07:31:45 +00:00
Chris Lattner
91c6a822ba 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 :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-24 07:06:50 +00:00