vinx13 commented on code in PR #15517:
URL: https://github.com/apache/tvm/pull/15517#discussion_r1295023872
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src/tir/transforms/storage_rewrite.cc:
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@@ -1304,6 +1307,18 @@ class VectorTypeAccessChecker : public StmtExprVisitor {
}
}
+ if (detect_scalar_read_patterns_ && is_buffer_load && indices.size()) {
+ const PrimExpr last_dim_index = indices[indices.size() - 1];
+ if (last_dim_index.dtype().lanes() == 1) {
+ arith::ModularSet me = analyzer_.modular_set(last_dim_index);
+ if (me->coeff > 0) {
+ // When coeff == 0, the index is constant and doesn't need to be
recorded since it can
+ // always be rewritten to shuffle.
+ var_info.access_dtype.insert(access_dtype.with_lanes(me->coeff));
Review Comment:
updated
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