From ed5d5cc74dbfa1abb8015db2b1f42a66271fa65b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 22 May 2011 06:59:33 +0000
Subject: [PATCH] make this test less trivial.

llvm-svn: 131845
---
 test/Transforms/GVN/preserve-tbaa.ll | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/test/Transforms/GVN/preserve-tbaa.ll b/test/Transforms/GVN/preserve-tbaa.ll
index 2fcfc471c5d..a93675556cd 100644
--- a/test/Transforms/GVN/preserve-tbaa.ll
+++ b/test/Transforms/GVN/preserve-tbaa.ll
@@ -5,9 +5,9 @@ target datalayout = "e-p:64:64:64"
 ; GVN should preserve the TBAA tag on loads when doing PRE.
 
 ; CHECK: @test
-; CHECK: %tmp33.pre = load i16* undef, align 2, !tbaa !0
+; CHECK: %tmp33.pre = load i16* %P, align 2, !tbaa !0
 ; CHECK: br label %for.body
-define void @test() nounwind {
+define void @test(i16 *%P, i16* %Q) nounwind {
 entry:
   br i1 undef, label %bb.nph, label %for.end
 
@@ -15,8 +15,10 @@ bb.nph:                                           ; preds = %entry
   br label %for.body
 
 for.body:                                         ; preds = %for.body, %bb.nph
-  %tmp33 = load i16* undef, align 2, !tbaa !0
-  store i16 undef, i16* undef, align 2, !tbaa !0
+  %tmp33 = load i16* %P, align 2, !tbaa !0
+  store i16 %tmp33, i16* %Q
+
+  store i16 0, i16* %P, align 2, !tbaa !0
   br i1 false, label %for.end, label %for.body
 
 for.end:                                          ; preds = %for.body, %entry