New testcase

llvm-svn: 3218

llvm/test/Regression/Transforms/InstCombine/2002-08-02-CastTest.ll

@@ -0,0 +1,10 @@
+; This testcase is incorrectly getting completely eliminated.  There should be
+; SOME instruction named %c here, even if it's a bitwise and.
+;
+; RUN: as < %s | opt -instcombine -dce | grep '%c'
+ulong %test3(ulong %A) {
+        %c1 = cast ulong %A to ubyte            ; <ubyte> [#uses=0]
+        %c2 = cast ulong %A to ulong            ; <ulong> [#uses=0]
+        ret ulong %A
+}
+