Nate Begeman 5054f16212 Relax the checking on zextload generation a bit, since as sabre pointed out ...

you could be AND'ing with the result of a shift that shifts out all the
bits you care about, in addition to a constant.

Also, move over an add/sub_parts fold from legalize to the dag combiner,
where it works for things other than constants.  Woot!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23720 91177308-0d34-0410-b5e6-96231b3b80d8

2005-10-14 01:12:21 +00:00

..

DAGCombiner.cpp

Relax the checking on zextload generation a bit, since as sabre pointed out

2005-10-14 01:12:21 +00:00

LegalizeDAG.cpp

Relax the checking on zextload generation a bit, since as sabre pointed out

2005-10-14 01:12:21 +00:00

Makefile

…

ScheduleDAG.cpp

Inhibit instructions from being pushed before function calls. This will

2005-10-13 16:44:00 +00:00

SelectionDAG.cpp

Move some Legalize functionality over to the DAGCombiner where it belongs.

2005-10-13 03:11:28 +00:00

SelectionDAGISel.cpp

Enable Nate's excellent DAG combiner work by default. This allows the

2005-10-10 16:47:10 +00:00

SelectionDAGPrinter.cpp

add a method

2005-10-01 00:17:07 +00:00

TargetLowering.cpp

initialize new flag

2005-09-27 22:13:56 +00:00