Rework differential conformance dictionary checking. (#2483)

* Rework differential conformance dictionary checking.

* Revert space changes.

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/source/slang/slang-ir-dce.cpp b/source/slang/slang-ir-dce.cpp
index 7d677b488..d58e307da 100644
--- a/source/slang/slang-ir-dce.cpp
+++ b/source/slang/slang-ir-dce.cpp
@@ -361,13 +361,6 @@ bool shouldInstBeLiveIfParentIsLive(IRInst* inst, IRDeadCodeEliminationOptions o
     case kIROp_WitnessTableEntry:
         return true;
 
-        // Special dictionaries used for differentiable type tracking 
-        // should be kept alive. These are removed by the auto-diff pass,
-        // once they are used.
-    case kIROp_DifferentiableTypeDictionaryItem:
-    case kIROp_DifferentiableTypeDictionary:
-        return true;
-
     default:
         break;
     }