Intitial checkin of cast tests

llvm-svn: 2427

llvm/test/Regression/Transforms/InstCombine/cast.ll

@@ -0,0 +1,23 @@
+; Tests to make sure elimination of casts is working correctly
+
+; RUN: if as < %s | opt -instcombine -dce | grep '%c'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+implementation
+
+int "test1"(int %A)
+begin
+	%c1 = cast int %A to uint
+	%c2 = cast uint %c1 to int
+	ret int %c2
+end
+
+ulong "test2"(ubyte %A)
+begin
+	%c1 = cast ubyte %A to ushort
+	%c2 = cast ushort %c1 to uint
+	%Ret = cast uint %c2 to ulong
+	ret ulong %Ret
+end