diff --git a/lib/Target/SparcV9/SparcV9TargetMachine.cpp b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
index ef6e2042fd4..a50e54d72bf 100644
--- a/lib/Target/SparcV9/SparcV9TargetMachine.cpp
+++ b/lib/Target/SparcV9/SparcV9TargetMachine.cpp
@@ -161,6 +161,9 @@ bool UltraSparc::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out)
   // FIXME: implement the switch instruction in the instruction selector.
   PM.add(createLowerSwitchPass());
   
+  // decompose multi-dimensional array references into single-dim refs
+  PM.add(createDecomposeMultiDimRefsPass());
+  
   // Construct and initialize the MachineFunction object for this fn.
   PM.add(createMachineCodeConstructionPass(*this));