Chris Lattner
eddc65aa0d
fix PR5733, a case where we'd replace an add with a lexically identical
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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
2009-12-09 17:18:49 +00:00
Chris Lattner
d632988eea
fix a nasty variable that was shadowing the real CurBB but with the wrong value.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 01:19:16 +00:00
Chris Lattner
6200e53f55
fix many input tracking bugs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 00:56:14 +00:00
Chris Lattner
e09e98c2de
fix PHI translation to take the PHI out of the instinputs set and add
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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
2009-12-09 00:18:13 +00:00
Chris Lattner
af50315a29
instructions defined in CurBB may be intermediate nodes of the computation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 00:10:55 +00:00
Chris Lattner
7dedbf4ce3
add dumping and sanity checking support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90906 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09 00:01:00 +00:00
Chris Lattner
43678f41a3
make sure that PHITransAddr keeps its 'InstInputs' list up to
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date when instsimplify kicks in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08 23:42:51 +00:00
Chris Lattner
34f849098b
fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not
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side-effect the current object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08 06:06:26 +00:00
Chris Lattner
6045417fcc
fix typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90793 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 19:52:57 +00:00
Chris Lattner
e05a188cd6
add accessor, improve comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90792 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 19:45:30 +00:00
Chris Lattner
6fcca1cc87
add support for phi translation and incorpation of new expression.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 19:04:49 +00:00
Chris Lattner
9a8641201b
checkpoint of the new PHITransAddr code, still not done and not used by
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anything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90779 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07 18:36:53 +00:00
Chris Lattner
210e45af3a
add the start of a class used to handle phi translation in memdep and
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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
2009-12-04 02:10:16 +00:00
