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path: root/llvm/lib/CodeGen/MachineSSAUpdater.cpp
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* Change errs() to dbgs().David Greene2010-01-051-2/+2
| | | | llvm-svn: 92548
* Watch out for duplicated PHI instructions.Evan Cheng2009-12-071-3/+37
| | | | llvm-svn: 90816
* Pre-regalloc tale duplication. Work in progress.Evan Cheng2009-12-071-1/+11
| | | | llvm-svn: 90759
* If BB is empty, insert PHI before end() instead of front().Evan Cheng2009-12-071-3/+6
| | | | llvm-svn: 90744
* Don't try to be cute with undef optimization here. Let ProcessImplicitDefs ↵Evan Cheng2009-12-041-27/+17
| | | | | | handle it. llvm-svn: 90566
* - If the reaching definition is an undef and the use is a PHI, add the ↵Evan Cheng2009-12-041-11/+15
| | | | | | | | implicit_def to the end of the source block. - When reaching value is replaced with another, update the cache as well. llvm-svn: 90501
* Handle undef values properly.Evan Cheng2009-12-031-15/+38
| | | | llvm-svn: 90489
* Fill out codegen SSA updater. It's not yet tested.Evan Cheng2009-12-031-8/+229
| | | | llvm-svn: 90395
* Skeleton for MachineInstr level SSA updater.Evan Cheng2009-12-021-0/+108
llvm-svn: 90353
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