diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index ebad3507eb5e2..60ab33bee704c 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -80,6 +80,7 @@
 #include "llvm/CodeGen/BasicBlockSectionsProfileReader.h"
 #include "llvm/CodeGen/CallBrPrepare.h"
 #include "llvm/CodeGen/CodeGenPrepare.h"
+#include "llvm/CodeGen/ComplexDeinterleavingPass.h"
 #include "llvm/CodeGen/DeadMachineInstructionElim.h"
 #include "llvm/CodeGen/DwarfEHPrepare.h"
 #include "llvm/CodeGen/EarlyIfConversion.h"
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
index 90859c18c4f49..549c1359b5852 100644
--- a/llvm/lib/Passes/PassRegistry.def
+++ b/llvm/lib/Passes/PassRegistry.def
@@ -339,6 +339,7 @@ FUNCTION_PASS("callbr-prepare", CallBrPreparePass())
 FUNCTION_PASS("callsite-splitting", CallSiteSplittingPass())
 FUNCTION_PASS("chr", ControlHeightReductionPass())
 FUNCTION_PASS("codegenprepare", CodeGenPreparePass(TM))
+FUNCTION_PASS("complex-deinterleaving", ComplexDeinterleavingPass(TM))
 FUNCTION_PASS("consthoist", ConstantHoistingPass())
 FUNCTION_PASS("constraint-elimination", ConstraintEliminationPass())
 FUNCTION_PASS("coro-elide", CoroElidePass())