| commit | f4a77d24816685506e4950afaf0fda2bb4db7bac | [log] [tgz] |
|---|---|---|
| author | Dale Johannesen <dalej@apple.com> | Wed May 23 21:07:20 2007 +0000 |
| committer | Dale Johannesen <dalej@apple.com> | Wed May 23 21:07:20 2007 +0000 |
| tree | 723d38708e981a792838ebf196dab885cc44ae49 | |
| parent | d50859e87b1f0b836f481b3cec25ec4b6bc0147c [diff] |
Two tail merging improvements: When considering blocks with more than 2 predecessors, merge the block with the largest number of matching insns, rather than the first block found. Considering that 1 matching insn is enough to show a win for candidates that already end with a branch. llvm-svn: 37315