Define first regression test (copied from SPARC)

test/CodeGen/Mos6502/basictest.ll

@@ -0,0 +1,61 @@
+; RUN: llc < %s -march=mos6502 | FileCheck %s
+
+define i32 @test0(i32 %X) {
+	%tmp.1 = add i32 %X, 1
+	ret i32 %tmp.1
+; CHECK-LABEL: test0:
+; CHECK: add %o0, 1, %o0
+}
+
+
+;; xnor tests.
+define i32 @test1(i32 %X, i32 %Y) {
+        %A = xor i32 %X, %Y
+        %B = xor i32 %A, -1
+        ret i32 %B
+; CHECK-LABEL: test1:
+; CHECK: xnor %o0, %o1, %o0
+}
+
+define i32 @test2(i32 %X, i32 %Y) {
+        %A = xor i32 %X, -1
+        %B = xor i32 %A, %Y
+        ret i32 %B
+; CHECK-LABEL: test2:
+; CHECK: xnor %o0, %o1, %o0
+}
+
+; CHECK-LABEL: store_zero:
+; CHECK: st   %g0, [%o0]
+; CHECK: st   %g0, [%o1+4]
+define i32 @store_zero(i32* %a, i32* %b) {
+entry:
+  store i32 0, i32* %a, align 4
+  %0 = getelementptr inbounds i32, i32* %b, i32 1
+  store i32 0, i32* %0, align 4
+  ret i32 0
+}
+
+; CHECK-LABEL: signed_divide:
+; CHECK: sra %o0, 31, %o2
+; CHECK: wr %g0, %o2, %y
+; CHECK: sdiv %o0, %o1, %o0
+define i32 @signed_divide(i32 %a, i32 %b) {
+  %r = sdiv i32 %a, %b
+  ret i32 %r
+}
+
+; CHECK-LABEL: unsigned_divide:
+; CHECK: wr %g0, %g0, %y
+; CHECK: udiv %o0, %o1, %o0
+define i32 @unsigned_divide(i32 %a, i32 %b) {
+  %r = udiv i32 %a, %b
+  ret i32 %r
+}
+
+; CHECK-LABEL: multiply_32x32:
+; CHECK: smul %o0, %o1, %o0
+define i32 @multiply_32x32(i32 %a, i32 %b) {
+  %r = mul i32 %a, %b
+  ret i32 %r
+}

test/CodeGen/Mos6502/lit.local.cfg

@@ -0,0 +1,2 @@
+if not 'Mos6502' in config.root.targets:
+    config.unsupported = True