wpan11nv commented on a change in pull request #5498:
URL: https://github.com/apache/incubator-tvm/pull/5498#discussion_r419821795
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File path: src/tir/transforms/lower_warp_memory.cc
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@@ -265,10 +265,11 @@ class WarpAccessRewriter : protected StmtExprMutator {
<< op->index << " local_index=" << local_index;
PrimExpr load_value = LoadNode::make(
op->dtype, op->buffer_var, local_index, op->predicate);
+ PrimExpr mask = IntImm(DataType::UInt(32), 0xFFFFFFFF);
Review comment:
I suspect this is not in use. Let see if this is the case, A proper fix
is to use __shfl_sync in lower_warp_memory pass.
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