tlopex commented on code in PR #19829:
URL: https://github.com/apache/tvm/pull/19829#discussion_r3437649684


##########
src/arith/ir_mutator_with_analyzer.h:
##########
@@ -47,6 +47,7 @@ namespace arith {
  */
 class IRMutatorWithAnalyzer : public tirx::StmtExprMutator {
  public:
+  explicit IRMutatorWithAnalyzer(const Analyzer& analyzer) : 
analyzer_(analyzer.get()) {}

Review Comment:
   since `RewriteSimplifier::Impl` are members of AnalyzerObj constructed from 
this, I think owning analyzer_ would make AnalyzerObj hold a handle back to 
itself, does that safe?



##########
src/arith/ir_mutator_with_analyzer.h:
##########
@@ -47,6 +47,7 @@ namespace arith {
  */
 class IRMutatorWithAnalyzer : public tirx::StmtExprMutator {
  public:
+  explicit IRMutatorWithAnalyzer(const Analyzer& analyzer) : 
analyzer_(analyzer.get()) {}

Review Comment:
   since `RewriteSimplifier::Impl` are members of AnalyzerObj constructed from 
`this`, I think owning analyzer_ would make AnalyzerObj hold a handle back to 
itself, does that safe?



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