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2016 Dec 28
1
Help for DeadStoreElimination cross-block dependence
Hi all,
I am working on a project that requires LLVM DeadStoreElimination
However, when I look through the code in Transforms/Scalar/DeadStoreElimination.cpp, I see the following:
// Ignore any store where we can't find a local dependence.
// FIXME: cross-block DSE would be fun. :)
if (!InstDep.isDef() && !InstDep.isClobber())
continue;
I have two questions on this