Pete Cooper 0433a64174 Don't create instructions from ConstantExpr's in CFLAliasAnalysis. ...

The CFLAA code currently calls ConstantExpr::getAsInstruction which creates an instruction from a constant expr.

We then pass that instruction to the InstVisitor to analyze it.

Its not necessary to create these instructions as we can just cast from Constant to Operator in the visitor.  This is how other InstVisitor’s such as SelectionDAGBuilder handle ConstantExpr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239616 91177308-0d34-0410-b5e6-96231b3b80d8

2015-06-12 16:13:54 +00:00

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