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path: root/lib/CodeGen/MachineSSAUpdater.cpp
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* Fix PR7096. When a block containing multiple defs is tail duplicated, theBob Wilson2010-05-10
| | | | | | | | SSAUpdater for the value from the first def may see uses of undefined values, because the later defs will not have been updated yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103407 91177308-0d34-0410-b5e6-96231b3b80d8
* Combine the implementations of the core part of the SSAUpdater andBob Wilson2010-05-04
| | | | | | | MachineSSAUpdater to avoid duplicating all the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103060 91177308-0d34-0410-b5e6-96231b3b80d8
* Update MachineSSAUpdater with the same changes I made for the IR-levelBob Wilson2010-04-26
| | | | | | | | SSAUpdater. I'm going to try to refactor this to share most of the code between them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102353 91177308-0d34-0410-b5e6-96231b3b80d8
* stop using DebugLoc::getUnknownLoc()Chris Lattner2010-04-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100215 91177308-0d34-0410-b5e6-96231b3b80d8
* fix missing #includes.Chris Lattner2010-02-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95745 91177308-0d34-0410-b5e6-96231b3b80d8
* move target-independent opcodes out of TargetInstrInfoChris Lattner2010-02-09
| | | | | | | | | | into TargetOpcodes.h. #include the new TargetOpcodes.h into MachineInstr. Add new inline accessors (like isPHI()) to MachineInstr, and start using them throughout the codebase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
* Change errs() to dbgs().David Greene2010-01-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92548 91177308-0d34-0410-b5e6-96231b3b80d8
* Watch out for duplicated PHI instructions.Evan Cheng2009-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90816 91177308-0d34-0410-b5e6-96231b3b80d8
* Pre-regalloc tale duplication. Work in progress.Evan Cheng2009-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90759 91177308-0d34-0410-b5e6-96231b3b80d8
* If BB is empty, insert PHI before end() instead of front().Evan Cheng2009-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90744 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to be cute with undef optimization here. Let ProcessImplicitDefs ↵Evan Cheng2009-12-04
| | | | | | handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90566 91177308-0d34-0410-b5e6-96231b3b80d8
* - If the reaching definition is an undef and the use is a PHI, add the ↵Evan Cheng2009-12-04
| | | | | | | | | implicit_def to the end of the source block. - When reaching value is replaced with another, update the cache as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90501 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle undef values properly.Evan Cheng2009-12-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90489 91177308-0d34-0410-b5e6-96231b3b80d8
* Fill out codegen SSA updater. It's not yet tested.Evan Cheng2009-12-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90395 91177308-0d34-0410-b5e6-96231b3b80d8
* Skeleton for MachineInstr level SSA updater.Evan Cheng2009-12-02
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90353 91177308-0d34-0410-b5e6-96231b3b80d8
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