[PATCH] D79321: [SLC] Allow llvm.pow(2**n,x) -> llvm.exp2(n*x) even if no exp2 lib func

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp:1551-1553
       if (Pow->doesNotAccessMemory())
         return B.CreateCall(Intrinsic::getDeclaration(Mod, Intrinsic::exp2, Ty),
                             FMul, "exp2");
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https://reviews.llvm.org/D79321