[X86] Added i128 lshr+shl -> mask combine test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281480 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/shift-i128.ll b/test/CodeGen/X86/shift-i128.ll
index 265a051..802277e 100644 (file)
--- a/test/CodeGen/X86/shift-i128.ll
+++ b/test/CodeGen/X86/shift-i128.ll
@@ -141,3 +141,9 @@ define <2 x i256> @shl_zext_lshr_outofrange(<2 x i128> %a0) {
   %3 = shl <2 x i256> %2, <i256 128, i256 128>
   ret <2 x i256> %3
 }
+
+define i128 @lshr_shl_mask(i128 %a0) {
+  %1 = shl i128 %a0, 1
+  %2 = lshr i128 %1, 1
+  ret i128 %2
+}