Skip to content
Commit beab5678 authored by David Majnemer's avatar David Majnemer
Browse files

isKnownToBeAPowerOfTwo: (X & Y) + Y is a power of 2 or zero if y is also. 

This is useful if something that looks like (x & (1 << y)) ? 64 : 32 is
the divisor in a modulo operation.

llvm-svn: 182200
parent 693a1ca6
Hide whitespace changes
Inline Side-by-side
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment