1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-rev.ll b/test/CodeGen/Thumb2/thumb2-rev.ll
index c1bdc38..4205ed1 100644
--- a/test/CodeGen/Thumb2/thumb2-rev.ll
+++ b/test/CodeGen/Thumb2/thumb2-rev.ll
@@ -8,3 +8,16 @@ define i32 @f1(i32 %a) {
 }
 
 declare i32 @llvm.bswap.i32(i32) nounwind readnone
+
+define i32 @f2(i32 %X) {
+; CHECK: f2:
+; CHECK: revsh r0, r0
+        %tmp1 = lshr i32 %X, 8
+        %tmp1.upgrd.1 = trunc i32 %tmp1 to i16
+        %tmp3 = trunc i32 %X to i16
+        %tmp2 = and i16 %tmp1.upgrd.1, 255
+        %tmp4 = shl i16 %tmp3, 8
+        %tmp5 = or i16 %tmp2, %tmp4
+        %tmp5.upgrd.2 = sext i16 %tmp5 to i32
+        ret i32 %tmp5.upgrd.2
+}