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d32c49bf68
For little-endian, the function would convert (extract_vector_elt (load X), Y) to X + Y*sizeof(elt). For big-endian it would instead use X + sizeof(vec) - Y*sizeof(elt). The big-endian case wasn't right since vector index order always follows memory/array order, even for big-endian. (Note that the current handling has to be wrong for Y==0 since it would access beyond the end of the vector.) Original patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236529 91177308-0d34-0410-b5e6-96231b3b80d8
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