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| author | Manman Ren <mren@apple.com> | 2012-08-07 06:16:46 +0000 |
|---|---|---|
| committer | Manman Ren <mren@apple.com> | 2012-08-07 06:16:46 +0000 |
| commit | cb36b8c2e64a3d58b4cdf69e0fa4a4efe9b7aa90 (patch) | |
| tree | 3f4dc85fee2f025c996c5622be2481a7a417963e /llvm/lib/CodeGen/TailDuplication.cpp | |
| parent | 847cea72e61229c54baafb37acdd7975d5d82493 (diff) | |
| download | bcm5719-llvm-cb36b8c2e64a3d58b4cdf69e0fa4a4efe9b7aa90.tar.gz bcm5719-llvm-cb36b8c2e64a3d58b4cdf69e0fa4a4efe9b7aa90.zip | |
MachineCSE: Update the heuristics for isProfitableToCSE.
If the result of a common subexpression is used at all uses of the candidate
expression, CSE should not increase the live range of the common subexpression.
rdar://11393714 and rdar://11819721
llvm-svn: 161396
Diffstat (limited to 'llvm/lib/CodeGen/TailDuplication.cpp')
0 files changed, 0 insertions, 0 deletions
