1 files changed, 79 insertions, 0 deletions
diff --git a/test/CodeGen/MBlaze/jumptable.ll b/test/CodeGen/MBlaze/jumptable.ll
new file mode 100644
index 0000000000..3f27c12f19
--- /dev/null
+++ b/test/CodeGen/MBlaze/jumptable.ll
@@ -0,0 +1,79 @@
+; Ensure that jump tables can be handled by the mblaze backend. The
+; jump table should be lowered to a "br" instruction using one of the
+; available registers.
+;
+; RUN: llc < %s -march=mblaze | FileCheck %s
+
+define i32 @jmptable(i32 %arg)
+{
+    ; CHECK:        jmptable:
+    switch i32 %arg, label %DEFAULT [ i32 0, label %L0
+                                      i32 1, label %L1
+                                      i32 2, label %L2
+                                      i32 3, label %L3
+                                      i32 4, label %L4
+                                      i32 5, label %L5
+                                      i32 6, label %L6
+                                      i32 7, label %L7
+                                      i32 8, label %L8
+                                      i32 9, label %L9 ]
+
+    ; CHECK:        lw [[REG:r[0-9]*]]
+    ; CHECK:        br [[REG]]
+L0:
+    %var0 = add i32 %arg, 0
+    br label %DONE
+
+L1:
+    %var1 = add i32 %arg, 1
+    br label %DONE
+
+L2:
+    %var2 = add i32 %arg, 2
+    br label %DONE
+
+L3:
+    %var3 = add i32 %arg, 3
+    br label %DONE
+
+L4:
+    %var4 = add i32 %arg, 4
+    br label %DONE
+
+L5:
+    %var5 = add i32 %arg, 5
+    br label %DONE
+
+L6:
+    %var6 = add i32 %arg, 6
+    br label %DONE
+
+L7:
+    %var7 = add i32 %arg, 7
+    br label %DONE
+
+L8:
+    %var8 = add i32 %arg, 8
+    br label %DONE
+
+L9:
+    %var9 = add i32 %arg, 9
+    br label %DONE
+
+DEFAULT:
+    unreachable
+
+DONE:
+    %rval = phi i32 [ %var0, %L0 ],
+                    [ %var1, %L1 ],
+                    [ %var2, %L2 ],
+                    [ %var3, %L3 ],
+                    [ %var4, %L4 ],
+                    [ %var5, %L5 ],
+                    [ %var6, %L6 ],
+                    [ %var7, %L7 ],
+                    [ %var8, %L8 ],
+                    [ %var9, %L9 ]
+    ret i32 %rval
+    ; CHECK:        rtsd
+}