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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-15 17:49:52 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-12-15 17:49:52 +0000 |
commit | 697483addf056595c997302f1316cc59244eefaa (patch) | |
tree | a6ae1091cc88aba70e4a046276fbf5690c83914d /lib/Analysis/ConstantFolding.cpp | |
parent | 521a453721aeefbb6783b6acc8ea36b3c18b4931 (diff) |
Detect and enumerate bypass loops.
Bypass loops have the current live range live through, but contain no uses or
defs. Splitting around a bypass loop can free registers for other uses inside
the loop by spilling the split range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121871 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
0 files changed, 0 insertions, 0 deletions