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| author | Bob Wilson <bob.wilson@apple.com> | 2010-03-31 20:51:00 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-03-31 20:51:00 +0000 |
| commit | a0c6057061be055faa542d05b2213f2bd779e160 (patch) | |
| tree | 669175231e4add7f8988321966cf0e338d2c7ae0 /lib/CodeGen/MachineBasicBlock.cpp | |
| parent | 536d31b5b391ee76eae33f4756f6442bf10b2d72 (diff) | |
Rewrite part of the SSAUpdater to be more careful about inserting redundant
PHIs. The previous algorithm was unable to reliably detect when existing
PHIs in a cycle can be reused. I'm still working on reducing a testcase.
Radar 7711900.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100047 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineBasicBlock.cpp')
0 files changed, 0 insertions, 0 deletions