yongwww commented on code in PR #14509:
URL: https://github.com/apache/tvm/pull/14509#discussion_r1158674574
##########
src/relax/analysis/struct_info_analysis.cc:
##########
@@ -861,5 +862,47 @@ TVM_REGISTER_GLOBAL("relax.analysis.StructInfoLCA")
return StructInfoLCA(lhs, rhs);
});
+//--------------------------
+// TIRVarsInStructInfo
+//--------------------------
+
+Array<tir::Var> TIRVarsInStructInfo(const StructInfo& sinfo) {
+ struct SymVarDetector : public StructInfoVisitor {
+ void VisitShape(Array<PrimExpr> shape) {
+ for (const PrimExpr& value : shape) {
+ Array<tir::Var> vars = tir::UndefinedVars(value);
+ for (const tir::Var& var : vars) {
+ auto insert_res = sym_var_dedup_set.insert(var.get());
+ if (insert_res.second) {
+ sym_vars.push_back(var);
+ }
+ }
+ }
+ }
+
+ void VisitStructInfo_(const ShapeStructInfoNode* shape_sinfo) final {
+ if (shape_sinfo->values.defined()) {
+ VisitShape(shape_sinfo->values.value());
+ }
+ }
+
+ void VisitStructInfo_(const TensorStructInfoNode* tensor_sinfo) final {
+ if (tensor_sinfo->shape.defined()) {
+ VisitStructInfo(GetStructInfo(tensor_sinfo->shape.value()));
+ }
+ }
+
+ Array<tir::Var> sym_vars;
+ std::unordered_set<const tir::VarNode*> sym_var_dedup_set;
Review Comment:
tir_var_dedup_set
##########
src/relax/analysis/struct_info_analysis.cc:
##########
@@ -861,5 +862,47 @@ TVM_REGISTER_GLOBAL("relax.analysis.StructInfoLCA")
return StructInfoLCA(lhs, rhs);
});
+//--------------------------
+// TIRVarsInStructInfo
+//--------------------------
+
+Array<tir::Var> TIRVarsInStructInfo(const StructInfo& sinfo) {
+ struct SymVarDetector : public StructInfoVisitor {
+ void VisitShape(Array<PrimExpr> shape) {
+ for (const PrimExpr& value : shape) {
+ Array<tir::Var> vars = tir::UndefinedVars(value);
+ for (const tir::Var& var : vars) {
+ auto insert_res = sym_var_dedup_set.insert(var.get());
+ if (insert_res.second) {
+ sym_vars.push_back(var);
+ }
+ }
+ }
+ }
+
+ void VisitStructInfo_(const ShapeStructInfoNode* shape_sinfo) final {
+ if (shape_sinfo->values.defined()) {
+ VisitShape(shape_sinfo->values.value());
+ }
+ }
+
+ void VisitStructInfo_(const TensorStructInfoNode* tensor_sinfo) final {
+ if (tensor_sinfo->shape.defined()) {
+ VisitStructInfo(GetStructInfo(tensor_sinfo->shape.value()));
+ }
+ }
+
+ Array<tir::Var> sym_vars;
Review Comment:
tir_vars
##########
src/relax/analysis/struct_info_analysis.cc:
##########
@@ -861,5 +862,47 @@ TVM_REGISTER_GLOBAL("relax.analysis.StructInfoLCA")
return StructInfoLCA(lhs, rhs);
});
+//--------------------------
+// TIRVarsInStructInfo
+//--------------------------
+
+Array<tir::Var> TIRVarsInStructInfo(const StructInfo& sinfo) {
+ struct SymVarDetector : public StructInfoVisitor {
+ void VisitShape(Array<PrimExpr> shape) {
+ for (const PrimExpr& value : shape) {
+ Array<tir::Var> vars = tir::UndefinedVars(value);
+ for (const tir::Var& var : vars) {
+ auto insert_res = sym_var_dedup_set.insert(var.get());
+ if (insert_res.second) {
+ sym_vars.push_back(var);
+ }
+ }
+ }
+ }
+
+ void VisitStructInfo_(const ShapeStructInfoNode* shape_sinfo) final {
+ if (shape_sinfo->values.defined()) {
+ VisitShape(shape_sinfo->values.value());
+ }
+ }
+
+ void VisitStructInfo_(const TensorStructInfoNode* tensor_sinfo) final {
+ if (tensor_sinfo->shape.defined()) {
+ VisitStructInfo(GetStructInfo(tensor_sinfo->shape.value()));
+ }
+ }
+
+ Array<tir::Var> sym_vars;
+ std::unordered_set<const tir::VarNode*> sym_var_dedup_set;
+ };
+
+ SymVarDetector detector;
+ detector(sinfo);
+ return detector.sym_vars;
Review Comment:
tir_vars
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