From e3f27e66e5738488f4a6ff260daeca26facb4d26 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 10 Oct 2004 23:12:33 +0000
Subject: Another testcase.  We should be able to devirtualize the call even
 though we cannot completely eliminate the global.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16900 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/GlobalOpt/storepointer-compare.llx | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 test/Transforms/GlobalOpt/storepointer-compare.llx

diff --git a/test/Transforms/GlobalOpt/storepointer-compare.llx b/test/Transforms/GlobalOpt/storepointer-compare.llx
new file mode 100644
index 0000000..a6e8ea3
--- /dev/null
+++ b/test/Transforms/GlobalOpt/storepointer-compare.llx
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | grep 'call void %Actual'
+
+; Check that a comparison does not prevent an indirect call from being made 
+; direct.  The global will still remain, but indirect call elim is still good.
+
+%G = internal global void ()* null
+
+implementation
+
+internal void %Actual() {
+	ret void
+}
+
+void %init() {
+	store void()* %Actual, void()** %G
+	ret void
+}
+
+void %doit() {
+	%FP = load void()** %G
+	%CC = seteq void()* %FP, null
+	br bool %CC, label %isNull, label %DoCall
+DoCall:
+	call void %FP()
+	ret void
+isNull:
+	ret void
+}
-- 
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