From: Duncan Sands <baldrick@free.fr>
Date: Thu, 20 Sep 2007 18:56:24 +0000 (+0000)
Subject: Testcase for PR1678.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=d7944ca61cbe6126a8e649439488fdad7dc0d529

Testcase for PR1678.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42171 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/2007-09-17-AliasConstFold2.ll b/test/Transforms/InstCombine/2007-09-17-AliasConstFold2.ll
new file mode 100644
index 00000000000..300edd5e56e
--- /dev/null
+++ b/test/Transforms/InstCombine/2007-09-17-AliasConstFold2.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep icmp
+; PR1678
+
+@A = alias weak void ()* @B		; <void ()*> [#uses=1]
+
+declare extern_weak void @B()
+
+define i32 @active() {
+entry:
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	%tmp1 = icmp ne void ()* @A, null		; <i1> [#uses=1]
+	%tmp12 = zext i1 %tmp1 to i32		; <i32> [#uses=1]
+	ret i32 %tmp12
+}