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| author | Dale Johannesen <dalej@apple.com> | 2007-05-23 21:07:20 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-05-23 21:07:20 +0000 |
| commit | 7aea8320340ce867eb4328aeec52cb02c88ef0b3 (patch) | |
| tree | 8115192a52727a06cf8af66e85cdc2b16f58eaa2 /lib/Transforms/Utils/SimplifyCFG.cpp | |
| 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
Diffstat (limited to 'lib/Transforms/Utils/SimplifyCFG.cpp')
0 files changed, 0 insertions, 0 deletions