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2 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
6b705d4825 Add a hidden command line option to display edge bundle graphs as they are 
calculated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122912 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-05 21:50:24 +00:00
Jakob Stoklund Olesen
8dd070edc2 Turn the EdgeBundles class into a stand-alone machine CFG analysis pass. 
The analysis will be needed by both the greedy register allocator and the
X86FloatingPoint pass. It only needs to be computed once when the CFG doesn't
change.

This pass is very fast, usually showing up as 0.0% wall time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122832 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-04 21:10:05 +00:00