Enable custom lowering DYNAMIC_STACKALLOC nodes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147013 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index b734447..7e2273b 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -136,6 +136,7 @@
   setOperationAction(ISD::SELECT,             MVT::i32,   Custom);
   setOperationAction(ISD::BRCOND,             MVT::Other, Custom);
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32,   Custom);
+  setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64,   Custom);
   setOperationAction(ISD::VASTART,            MVT::Other, Custom);
 
   setOperationAction(ISD::SDIV, MVT::i32, Expand);