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* Change dbgs() back to errs() as Chris requested.David Greene2009-12-231-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92085 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert debug messages to use dbgs(). Generally this meansDavid Greene2009-12-231-7/+8
| | | | | | | s/errs/dbgs/g except for certain special cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92046 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a minor optimization: if we haven't changed the operands of anChris Lattner2009-12-091-0/+4
| | | | | | | | | | | | add, there is no need to scan the world to find the same add again. This invalidates the previous testcase, which wasn't wonderful anyway, because it needed a run of instcombine to permute the use-lists in just the right way to before GVN was run (so it was really fragile). Not a big loss. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90973 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR5733, a case where we'd replace an add with a lexically identical Chris Lattner2009-12-091-1/+2
| | | | | | | binary operator that wasn't an add. In this case, a xor. Whoops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90971 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a nasty variable that was shadowing the real CurBB but with the wrong value.Chris Lattner2009-12-091-1/+0
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* fix many input tracking bugs.Chris Lattner2009-12-091-33/+30
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* fix PHI translation to take the PHI out of the instinputs set and addChris Lattner2009-12-091-9/+7
| | | | | | | the translated value back to it if an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90909 91177308-0d34-0410-b5e6-96231b3b80d8
* instructions defined in CurBB may be intermediate nodes of the computation.Chris Lattner2009-12-091-14/+14
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* add dumping and sanity checking support.Chris Lattner2009-12-091-0/+69
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* make sure that PHITransAddr keeps its 'InstInputs' list up toChris Lattner2009-12-081-3/+42
| | | | | | | date when instsimplify kicks in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not Chris Lattner2009-12-081-3/+6
| | | | | | | side-effect the current object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
* fix typoChris Lattner2009-12-071-1/+1
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* add accessor, improve comment.Chris Lattner2009-12-071-1/+1
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* add support for phi translation and incorpation of new expression.Chris Lattner2009-12-071-121/+144
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* checkpoint of the new PHITransAddr code, still not done and not used byChris Lattner2009-12-071-29/+257
| | | | | | | anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90779 91177308-0d34-0410-b5e6-96231b3b80d8
* add the start of a class used to handle phi translation in memdep andChris Lattner2009-12-041-0/+71
gvn (this is just a skeleton so far). This will ultimately be used to fix a nasty miscompilation with GVN. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90518 91177308-0d34-0410-b5e6-96231b3b80d8
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