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archived-llvm/test/CodeGen/PowerPC
Hal Finkel 0ef99720c5 [PowerPC] Remove zexts after byte-swapping loads
lhbrx and lwbrx not only load their data with byte swapping, but also clear the
upper 32 bits (at least). As a result, they can be added to the PPCISelDAGToDAG
peephole optimization as frontier instructions for the removal of unnecessary
zero extensions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225189 91177308-0d34-0410-b5e6-96231b3b80d8
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