Add testcase for sparc backend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1731 91177308-0d34-0410-b5e6-96231b3b80d8

test/LLC/2002-02-12-setuw-setsw.llx

@@ -0,0 +1,25 @@
+; Our back-end is generating set-unsigned (setuw) for -2, when it
+; should be using setsw.  
+;
+; RUN: as %s -f -o Output/%s.bc
+; RUN: llc -f Output/%s.bc
+; RUN: /usr/ccs/bin/as Output/%s.s -xarch=v9
+; RUN: /opt/SUNWspro60/bin/cc -xarch=v9 Output/%s.o -o Output/%s.exe
+; RUN: Output/%s.exe
+;
+
+implementation
+declare void "abort"()
+
+int "main"(int %argc, sbyte * * %argv)
+begin
+	%T1 = cast int 2 to uint
+	%tmp = add uint %T1, 4294967294  ; == -2
+	%cond = seteq uint %tmp, 0
+	br bool %cond, label %Ok, label %Fail
+Ok:
+	ret int 0
+Fail:
+	call void %abort()
+	ret int 1
+end