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3c68c5c55e
There was one definite issue in ARM64 (the off-by-1 check for whether a shift could be folded in) and one difference that is probably correct: ARM64 didn't fold nodes with multiple uses into the arithmetic operations unless optimising for code size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206168 91177308-0d34-0410-b5e6-96231b3b80d8
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