[PATCH] D52935: [SelectionDAG] Add SimplifyDemandedBits to SimplifyDemandedVectorElts simplification
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 5 10:33:56 PDT 2018
craig.topper added inline comments.
================
Comment at: lib/CodeGen/SelectionDAG/TargetLowering.cpp:1234
+ unsigned NumSrcElts = SrcVT.getVectorNumElements();
+ APInt DemandedElts = APInt::getNullValue(NumSrcElts);
+ for (unsigned i = 0; i != NumSrcElts; i += Scale)
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Is this equivalent to APInt::getSplat(NumSrcElts, DemandedSubElts)?
Repository:
rL LLVM
https://reviews.llvm.org/D52935
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