From 949326812487dddc6c70e7b7c22e02a8ceccb993 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 17 Mar 2008 01:35:03 +0000
Subject: [PATCH] ensure we continue matching x86-64 rotates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/rotate2.ll | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/CodeGen/X86/rotate2.ll

diff --git a/test/CodeGen/X86/rotate2.ll b/test/CodeGen/X86/rotate2.ll
new file mode 100644
index 00000000000..40e954cbdd0
--- /dev/null
+++ b/test/CodeGen/X86/rotate2.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep rol | count 2
+
+define i64 @test1(i64 %x) nounwind  {
+entry:
+	%tmp2 = lshr i64 %x, 55		; <i64> [#uses=1]
+	%tmp4 = shl i64 %x, 9		; <i64> [#uses=1]
+	%tmp5 = or i64 %tmp2, %tmp4		; <i64> [#uses=1]
+	ret i64 %tmp5
+}
+
+define i64 @test2(i32 %x) nounwind  {
+entry:
+	%tmp2 = lshr i32 %x, 22		; <i32> [#uses=1]
+	%tmp4 = shl i32 %x, 10		; <i32> [#uses=1]
+	%tmp5 = or i32 %tmp2, %tmp4		; <i32> [#uses=1]
+	%tmp56 = zext i32 %tmp5 to i64		; <i64> [#uses=1]
+	ret i64 %tmp56
+}
+