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2012-07-27fix infinite loop in instcombine in the presence of a (malformed) ↵Nuno Lopes
self-referencing select inst. This can happen as long as the instruction is not reachable. Instcombine does generate these unreachable malformed selects when doing RAUW git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160874 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-23PR10180: Fix a instcombine crash with FP vectors.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133756 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Teach InstCombine not to use Add and Neg on FP. PR 8490.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117510 91177308-0d34-0410-b5e6-96231b3b80d8