From: Reid Spencer <rspencer@reidspencer.com>
Date: Sun, 25 Mar 2007 21:30:41 +0000 (+0000)
Subject: Add a test case for PR1271 (necessary, but not sufficient).
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9031aca96bf83379f837e1e590dc19dd67a3fdcd;p=oota-llvm.git

Add a test case for PR1271 (necessary, but not sufficient).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35343 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/2007-03-25-DoubleShift.ll b/test/Transforms/InstCombine/2007-03-25-DoubleShift.ll
new file mode 100644
index 00000000000..d67e1a13cc4
--- /dev/null
+++ b/test/Transforms/InstCombine/2007-03-25-DoubleShift.ll
@@ -0,0 +1,9 @@
+; PR1271
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and
+define i1 @test(i32 %tmp13) {
+entry:
+	%tmp14 = shl i32 %tmp13, 12		; <i32> [#uses=1]
+	%tmp15 = lshr i32 %tmp14, 12		; <i32> [#uses=1]
+	%res = icmp ne i32 %tmp15, 0		; <i1>:3 [#uses=1]
+        ret i1 %res
+}