yzh119 commented on a change in pull request #8466:
URL: https://github.com/apache/tvm/pull/8466#discussion_r670064809
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File path: src/tir/transforms/split_host_device.cc
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@@ -89,6 +92,17 @@ class VarUseDefAnalysis : public StmtExprMutator {
Stmt VisitStmt_(const AllocateNode* op) final {
this->HandleDef(op->buffer_var.get());
+ auto storage_scope =
runtime::StorageScope::Create(GetPtrStorageScope(op->buffer_var));
+ if (storage_scope.rank == runtime::StorageRank::kDynShared) {
+ ICHECK_EQ(use_dyn_shmem_, false) << "Only one dynamic shared memory
allocation is allowed.";
Review comment:
@masahi this happens when you need to load both data and index into
shared memory (e.g. sparse matrix multiplications).
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