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clang-p2996/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
Simon Pilgrim b752daa26b [InstCombine] Replace getLogBase2 internal helper with ConstantExpr::getExactLogBase2. NFCI. 
This exposes the helper for other power-of-2 instcombine folds that I'm intending to add vector support to.

The helper only operated on power-of-2 constants so getExactLogBase2 is a more accurate name.
2020-10-11 10:31:17 +01:00

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