Fix hull shader spirv legalization bug. (#5180)

1 files changed, 1 insertions, 1 deletions

diff --git a/source/slang/slang-ir-glsl-legalize.cpp b/source/slang/slang-ir-glsl-legalize.cpp
index d8c1aa91e..2d7e0c804 100644
--- a/source/slang/slang-ir-glsl-legalize.cpp
+++ b/source/slang/slang-ir-glsl-legalize.cpp
@@ -951,7 +951,7 @@ IRInst* getOrCreateBuiltinParamForHullShader(GLSLLegalizationContext* context, U
         {
             IRBuilder builder(context->entryPointFunc);
             auto paramType = builder.getIntType();
-            builder.setInsertInto(context->entryPointFunc->getFirstBlock()->getFirstOrdinaryInst());
+            builder.setInsertBefore(context->entryPointFunc->getFirstBlock()->getFirstOrdinaryInst());
             outputControlPointIdParam = builder.emitParam(paramType);
             IRStructTypeLayout::Builder typeBuilder(&builder);
             auto typeLayout = typeBuilder.build();