diff --git a/test/CodeGen/CellSPU/rotate_ops.ll b/test/CodeGen/CellSPU/rotate_ops.ll
index 55104a4ceb7..9c7ebeb97dd 100644
--- a/test/CodeGen/CellSPU/rotate_ops.ll
+++ b/test/CodeGen/CellSPU/rotate_ops.ll
@@ -8,6 +8,12 @@
 ; RUN grep rothi.*,.3    %t1.s | count 1
 ; RUN: grep andhi        %t1.s | count 4
 ; RUN: grep shlhi        %t1.s | count 4
+; XFAIL: *
+
+;; FIXME: ROTR hasn't been implemented in CellSPU! It's marked as a "legal"
+;;        operation, but if used, the code generator complains that it can't
+;;        be selected.
+
 target datalayout = "E-p:32:32:128-f64:64:128-f32:32:128-i64:32:128-i32:32:128-i16:16:128-i8:8:128-i1:8:128-a0:0:128-v128:128:128-s0:128:128"
 target triple = "spu"