| commit | f235f13931835b3335f3f2ff2d3060381b93626c | [log] [tgz] |
|---|---|---|
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Tue Nov 10 22:01:05 2009 +0000 |
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Tue Nov 10 22:01:05 2009 +0000 |
| tree | 3388d35b748a3c11118e4f20203141a6c76599e3 | |
| parent | e35e3c33dc5533dd1e8ab7d9f4039cc1429d56aa [diff] |
Teach PHIElimination to split critical edges when -split-phi-edges is enabled. Critical edges leading to a PHI node are split when the PHI source variable is live out from the predecessor block. This help the coalescer eliminate more PHI joins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86725 91177308-0d34-0410-b5e6-96231b3b80d8