commit f82f5af5e212373230b8df4dedbd8e1c950e1cc1
author Vasyl Teliman <vasniktel@gmail.com> Thu Apr 29 11:44:59 2021 +0300
committer GitHub <noreply@github.com> Thu Apr 29 09:44:59 2021 +0100
tree 1c464fd1377564e0439f9859224debb2ce206786
parent 089d716d2552fdf43fd8f067ce5f57b8237a7c2d

Invalidate DefUse analysis (#4255)

Fixes #4252.

source/reduce/change_operand_to_undef_reduction_opportunity.cpp

diff --git a/source/reduce/change_operand_to_undef_reduction_opportunity.cpp b/source/reduce/change_operand_to_undef_reduction_opportunity.cpp
index 8e33da6..7cc06a0 100644
--- a/source/reduce/change_operand_to_undef_reduction_opportunity.cpp
+++ b/source/reduce/change_operand_to_undef_reduction_opportunity.cpp
@@ -35,6 +35,7 @@
   assert(operand_type_id);
   auto undef_id = FindOrCreateGlobalUndef(context_, operand_type_id);
   inst_->SetOperand(operand_index_, {undef_id});
+  context_->InvalidateAnalyses(opt::IRContext::kAnalysisDefUse);
 }
 
 }  // namespace reduce