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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-16 00:03:33 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-09-16 00:03:33 +0000 |
commit | 69cf1cac3f62e60a50ff0aa9808ea4d317e273ef (patch) | |
tree | 9419df28eda4d5517460102d6402a202e868911d /lib/CodeGen/SplitKit.cpp | |
parent | 246ae02bce7afb0411d21803eb0ad1b3832189f9 (diff) |
Disable local spill hoisting for non-killing copies.
If the source register is live after the copy being spilled, there is no
point to hoisting it. Hoisting inside a basic block only serves to
resolve interferences by shortening the live range of the source.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139882 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
0 files changed, 0 insertions, 0 deletions