llvm-6502

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Chris Lattner 952eaee239 Hoist the contents of Loops in depth first order in the dominator tree,

rather than in random order.  This causes LICM to be DRAMATICALLY more
effective. For example, on bzip2.c, it is able to hoist 302 loads and
2380 total instructions, as opposed to 44/338 before.  This  obviously
makes other transformations much more powerful as well!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3978 91177308-0d34-0410-b5e6-96231b3b80d8

2002-09-29 21:46:09 +00:00

docs

Fixed errors in ReplaceInstWithValue/ReplaceInstWithInst examples.

2002-09-29 17:31:54 +00:00

include

Simplify code a bit, add an assertion

2002-09-29 21:37:08 +00:00

lib

Hoist the contents of Loops in depth first order in the dominator tree,

2002-09-29 21:46:09 +00:00

runtime

Pass renamed