| commit | 7aea8320340ce867eb4328aeec52cb02c88ef0b3 | [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 | 8115192a52727a06cf8af66e85cdc2b16f58eaa2 | |
| parent | 79b48b8bc07170656e7e2d7500f7fcbf69ccc923 [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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37315 91177308-0d34-0410-b5e6-96231b3b80d8