Operations should be custom lowered only if their type is legal.

Test: CellSPU/v2i32.ll when running with -promote-elements



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index cfd29cf..03bfb4e 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -423,12 +423,14 @@
 
     // Custom lower build_vector, constant pool spills, insert and
     // extract vector elements:
-    setOperationAction(ISD::BUILD_VECTOR, VT, Custom);
-    setOperationAction(ISD::ConstantPool, VT, Custom);
-    setOperationAction(ISD::SCALAR_TO_VECTOR, VT, Custom);
-    setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT, Custom);
-    setOperationAction(ISD::INSERT_VECTOR_ELT, VT, Custom);
-    setOperationAction(ISD::VECTOR_SHUFFLE, VT, Custom);
+    if (isTypeLegal(VT)) {
+      setOperationAction(ISD::BUILD_VECTOR, VT, Custom);
+      setOperationAction(ISD::ConstantPool, VT, Custom);
+      setOperationAction(ISD::SCALAR_TO_VECTOR, VT, Custom);
+      setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT, Custom);
+      setOperationAction(ISD::INSERT_VECTOR_ELT, VT, Custom);
+      setOperationAction(ISD::VECTOR_SHUFFLE, VT, Custom);
+    }
   }
 
   setOperationAction(ISD::AND, MVT::v16i8, Custom);