masahi commented on a change in pull request #10365:
URL: https://github.com/apache/tvm/pull/10365#discussion_r813681691
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File path: src/tir/transforms/lower_tvm_builtin.cc
##########
@@ -209,10 +209,26 @@ class BuiltinLower : public StmtExprMutator {
return MakeArray(op);
} else if (op->op.same_as(builtin::tvm_context_id())) {
return make_zero(op->dtype);
+ } else if (op->op.same_as(builtin::mem_copy())) {
+ return MakeMemCopy(op);
} else {
return StmtExprMutator::VisitExpr_(op);
}
}
+
+ PrimExpr MakeMemCopy(const CallNode* op) {
+ PrimExpr dst = op->args[0];
+ PrimExpr src = op->args[1];
+ PrimExpr size = op->args[2];
+
+ std::string fdevapi_prefix = "device_api.";
+ fdevapi_prefix +=
runtime::DeviceName(device_type_.as<IntImmNode>()->value);
Review comment:
can just initialize `std::string fdevapi_prefix = "device_api." +
runtime::DeviceName(device_type_.as<IntImmNode>()->value);`
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