commit | 280ea1a7466751c6d27ff343072c65e59a950053 | [log] [tgz] |
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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | Thu Mar 31 17:55:25 2011 +0000 |
committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | Thu Mar 31 17:55:25 2011 +0000 |
tree | 0e34572eb68616124c6cfc322fd93d89a024f0b8 | |
parent | 8901e6ff3da1c1a68ee5c1c24f21e8572ceb57b6 [diff] |
Don't completely eliminate identity copies that also modify super register liveness. Turn them into noop KILL instructions instead. This lets the scavenger know when super-registers are killed and defined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128645 91177308-0d34-0410-b5e6-96231b3b80d8