David Greene
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020c436572
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Change errs() to dbgs().
llvm-svn: 92548
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2010-01-05 00:10:05 +00:00 |
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Evan Cheng
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58a787bc55
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Watch out for duplicated PHI instructions.
llvm-svn: 90816
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2009-12-07 23:11:03 +00:00 |
|
Evan Cheng
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79d3b53208
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Pre-regalloc tale duplication. Work in progress.
llvm-svn: 90759
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2009-12-07 10:15:19 +00:00 |
|
Evan Cheng
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2a99985e86
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If BB is empty, insert PHI before end() instead of front().
llvm-svn: 90744
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2009-12-07 03:07:01 +00:00 |
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Evan Cheng
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30aa0aa350
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Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it.
llvm-svn: 90566
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2009-12-04 09:23:37 +00:00 |
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Evan Cheng
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0f151e89ab
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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.
llvm-svn: 90501
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2009-12-04 00:09:05 +00:00 |
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Evan Cheng
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73dcaa14fa
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Handle undef values properly.
llvm-svn: 90489
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2009-12-03 21:51:55 +00:00 |
|
Evan Cheng
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1c3edb4fa8
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Fill out codegen SSA updater. It's not yet tested.
llvm-svn: 90395
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2009-12-03 02:31:43 +00:00 |
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Evan Cheng
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e573096db2
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Skeleton for MachineInstr level SSA updater.
llvm-svn: 90353
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2009-12-02 22:02:52 +00:00 |
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