Cover non-byte-width BATs situation.

llvm-svn: 33356
diff --git a/llvm/test/Integer/fold-fpcast_bt.ll b/llvm/test/Integer/fold-fpcast_bt.ll
index 71823ab..d1453c4 100644
--- a/llvm/test/Integer/fold-fpcast_bt.ll
+++ b/llvm/test/Integer/fold-fpcast_bt.ll
@@ -16,3 +16,18 @@
   ret double bitcast (i64 42 to double)
 }
 
+define i30 %test5() {
+  ret i30 fptoui(float 3.7 to i30)
+}
+
+define float %test6() {
+  ret float uitofp(i30 17 to float)
+}
+
+define i6 %test7() {
+  ret i6 bitcast (double 3.1415926 to i6)
+}
+
+define double %test8() {
+  ret double bitcast (i9 42 to double)
+}