1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-sxt_rot.ll b/llvm/test/CodeGen/Thumb2/thumb2-sxt_rot.ll
new file mode 100644
index 00000000000..4afe3540287
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb2/thumb2-sxt_rot.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
+; RUN:   grep sxtb | count 2
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
+; RUN:   grep sxtb | grep ror | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | \
+; RUN:   grep sxtab | count 1
+
+define i32 @test0(i8 %A) {
+        %B = sext i8 %A to i32
+	ret i32 %B
+}
+
+define i8 @test1(i32 %A) signext {
+	%B = lshr i32 %A, 8
+	%C = shl i32 %A, 24
+	%D = or i32 %B, %C
+	%E = trunc i32 %D to i8
+	ret i8 %E
+}
+
+define i32 @test2(i32 %A, i32 %X) signext {
+	%B = lshr i32 %A, 8
+	%C = shl i32 %A, 24
+	%D = or i32 %B, %C
+	%E = trunc i32 %D to i8
+        %F = sext i8 %E to i32
+        %G = add i32 %F, %X
+	ret i32 %G
+}