Evan Cheng
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9d0f8bba17
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Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90566 91177308-0d34-0410-b5e6-96231b3b80d8
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2009-12-04 09:23:37 +00:00 |
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Evan Cheng
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2e65c29ac6
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- If the reaching definition is an undef and the use is a PHI, add the 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
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2009-12-04 00:09:05 +00:00 |
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Evan Cheng
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01306cad01
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Handle undef values properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90489 91177308-0d34-0410-b5e6-96231b3b80d8
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2009-12-03 21:51:55 +00:00 |
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Evan Cheng
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229694f0ee
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Fill out codegen SSA updater. It's not yet tested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90395 91177308-0d34-0410-b5e6-96231b3b80d8
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2009-12-03 02:31:43 +00:00 |
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Evan Cheng
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651ea5376c
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Skeleton for MachineInstr level SSA updater.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90353 91177308-0d34-0410-b5e6-96231b3b80d8
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2009-12-02 22:02:52 +00:00 |
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