From 7739abc07b5fc860c7cb31b89c14349fbd82ceb0 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 28 Jun 2003 23:52:34 +0000
Subject: New testcase

llvm-svn: 6969
---
 llvm/test/Regression/Analysis/DSGraph/mustalias.ll | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 llvm/test/Regression/Analysis/DSGraph/mustalias.ll

(limited to 'llvm/test/Regression/Analysis/DSGraph')

diff --git a/llvm/test/Regression/Analysis/DSGraph/mustalias.ll b/llvm/test/Regression/Analysis/DSGraph/mustalias.ll
new file mode 100644
index 00000000000..349377cd3d8
--- /dev/null
+++ b/llvm/test/Regression/Analysis/DSGraph/mustalias.ll
@@ -0,0 +1,17 @@
+; Test that ds-aa is returning must-alias information when it can.
+
+; RUN: as < %s | opt -no-aa -ds-aa -load-vn -gcse | dis | not grep load
+
+%X = global int 20
+
+implementation
+
+int* %id(int* %P) { ret int* %P }
+
+int %main() {
+	store int 0, int* %X
+	%XP = call int* %id(int* %X)
+	%A = load int* %XP        ; Should eliminate load!
+	ret int %A
+}
+
-- 
cgit v1.2.3