shingjan commented on a change in pull request #9680:
URL: https://github.com/apache/tvm/pull/9680#discussion_r765503503
##########
File path: src/printer/tvmscript_printer.cc
##########
@@ -471,6 +479,47 @@ Doc TVMScriptPrinter::PrintMatchBufferRegion(const
MatchBufferRegionNode* op) {
return doc;
}
+// check if all arguments, except the first two, are specified for
T.match_buffer
+// if not, then this match buffer is printed out as syntax sugar
+bool TVMScriptPrinter::IsMatchBufferSugarred(const Buffer& buf) {
+ if (memo_var_.find(buf->data) != memo_var_.end()) {
+ return false;
+ }
+ if (!buf->strides.empty()) {
+ return false;
+ }
+ if (buf->elem_offset->IsInstance<VarNode>()) {
+ Var elem_offset = Downcast<Var>(buf->elem_offset);
+ if (memo_var_.find(elem_offset) != memo_var_.end()) {
+ return false;
+ }
+ } else if (buf->elem_offset->IsInstance<IntImmNode>()) {
+ IntImm elem_offset = Downcast<IntImm>(buf->elem_offset);
+ if (elem_offset->value != 0) {
+ return false;
+ }
+ }
+ if (buf.scope() != "global") {
+ return false;
+ }
+ if (buf->data_alignment != runtime::kAllocAlignment) {
+ return false;
+ }
+ if (buf->offset_factor != 1) {
+ return false;
+ }
+ if (buf->buffer_type != 1) {
Review comment:
Yes. `BufferType` is an enum in which 1 is for `kDefault` and 2 is for
`kAutoBroadcast`. Details
[here](https://github.com/apache/tvm/blob/0e0adf514c41dcab27ef60df60e84ce28a6effaf/include/tvm/tir/buffer.h#L42)
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