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Haicheng Wu 2c8e36132e [InlineCost] Find more free binary operations
Currently, inline cost model considers a binary operator as free only if both
its operands are constants. Some simple cases are missing such as a + 0, a - a,
etc. This patch modifies visitBinaryOperator() to call SimplifyBinOp() without
going through simplifyInstruction() to get rid of the constant restriction.
Thus, visitAnd() and visitOr() are not needed.

Differential Revision: https://reviews.llvm.org/D41494

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321366 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-22 17:09:09 +00:00
..
2016-06-15 00:19:09 +00:00