Remove `SharedIRBuilder`. (#2657)

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

1 files changed, 2 insertions, 2 deletions

diff --git a/source/slang/slang-ir-autodiff-transcriber-base.cpp b/source/slang/slang-ir-autodiff-transcriber-base.cpp
index 10a734d65..7ab0ee692 100644
--- a/source/slang/slang-ir-autodiff-transcriber-base.cpp
+++ b/source/slang/slang-ir-autodiff-transcriber-base.cpp
@@ -682,7 +682,7 @@ IRInst* AutoDiffTranscriberBase::getDifferentialZeroOfType(IRBuilder* builder, I
 
 InstPair AutoDiffTranscriberBase::transcribeBlockImpl(IRBuilder* builder, IRBlock* origBlock, HashSet<IRInst*>& instsToSkip)
 {
-    IRBuilder subBuilder(builder->getSharedBuilder());
+    IRBuilder subBuilder = *builder;
     subBuilder.setInsertLoc(builder->getInsertLoc());
     
     IRInst* diffBlock = subBuilder.emitBlock();
@@ -844,7 +844,7 @@ InstPair AutoDiffTranscriberBase::transcribeGeneric(IRBuilder* inBuilder, IRGene
 
     IRGeneric* primalGeneric = origGeneric;
 
-    IRBuilder builder(inBuilder->getSharedBuilder());
+    IRBuilder builder = *inBuilder;
     builder.setInsertBefore(origGeneric);
 
     auto diffGeneric = builder.emitGeneric();