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5 Commits

Author SHA1 Message Date
Dan Gohman
fc54c55296 Generalize the HazardRecognizer interface so that it can be used 
to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 22:18:12 +00:00
Dan Gohman
343f0c0467 Experimental post-pass scheduling support. Post-pass scheduling 
is currently off by default, and can be enabled with
-disable-post-RA-scheduler=false.

This doesn't have a significant impact on most code yet because it doesn't
yet do anything to address anti-dependencies and it doesn't attempt to
disambiguate memory references. Also, several popular targets
don't have pipeline descriptions yet.

The majority of the changes here are splitting the SelectionDAG-specific
code out of ScheduleDAG, so that ScheduleDAG can be moved to
libLLVMCodeGen.a. The interface between ScheduleDAG-using code and
the rest of the scheduling code is somewhat rough and will evolve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:18:57 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Scott Michel
2466c3766d Updated source file headers to llvm coding standard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-05 01:40:25 +00:00
Scott Michel
266bc8f777 More of the Cell SPU code drop from "Team Aerospace". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-04 22:23:35 +00:00