Fix a bug in getCopyFromParts turned up in the testcase for PR1132.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40598 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/Alpha/illegal-element-type.ll

@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | llc -mtriple=alphaev6-unknown-linux-gnu
+
+define void @foo() {
+entry:
+        br label %bb
+
+bb:             ; preds = %bb, %entry
+        br i1 false, label %bb26, label %bb
+
+bb19:           ; preds = %bb26
+        ret void
+
+bb26:           ; preds = %bb
+        br i1 false, label %bb30, label %bb19
+
+bb30:           ; preds = %bb26
+        br label %bb45
+
+bb45:           ; preds = %bb45, %bb30
+        %V.0 = phi <8 x i16> [ %tmp42, %bb45 ], [ zeroinitializer, %bb30 ]     ; <<8 x i16>> [#uses=1]
+        %tmp42 = mul <8 x i16> zeroinitializer, %V.0            ; <<8 x i16>> [#uses=1]
+        br label %bb45
+}