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* Livestacks really does preserve everything.Evan Cheng2008-09-221-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56476 91177308-0d34-0410-b5e6-96231b3b80d8
* Instead of setPreservesAll, just mark them preseving machine loop info and ↵Evan Cheng2008-09-221-1/+2
| | | | | | machine dominators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56475 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark several codegen passes as preserving all analysis.Evan Cheng2008-09-221-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56469 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a stack slot coloring pass. Not yet enabled.Evan Cheng2008-06-041-0/+50
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51934 91177308-0d34-0410-b5e6-96231b3b80d8