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Author	SHA1	Message	Date
Dan Gohman	46fb0dee03	Fix the comment in this test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82051 91177308-0d34-0410-b5e6-96231b3b80d8	2009-09-16 16:33:59 +00:00
Dan Gohman	b6c3385a2d	Don't sink gep operators through phi nodes if the result would require more than one phi, since that leads to higher register pressure on entry to the phi. This is especially problematic when the phi is in a loop header, as it increases register pressure throughout the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81993 91177308-0d34-0410-b5e6-96231b3b80d8	2009-09-16 02:01:52 +00:00

Author

SHA1

Message

Date

Dan Gohman

46fb0dee03

Fix the comment in this test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82051 91177308-0d34-0410-b5e6-96231b3b80d8

2009-09-16 16:33:59 +00:00

Dan Gohman

b6c3385a2d

Don't sink gep operators through phi nodes if the result would require

more than one phi, since that leads to higher register pressure on
entry to the phi. This is especially problematic when the phi is in
a loop header, as it increases register pressure throughout the loop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81993 91177308-0d34-0410-b5e6-96231b3b80d8

2009-09-16 02:01:52 +00:00

2 Commits