Resolve aliases, when possible
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56001 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/GlobalOpt/alias-resolve.ll b/test/Transforms/GlobalOpt/alias-resolve.ll
new file mode 100644
index 0000000..3cae413
--- /dev/null
+++ b/test/Transforms/GlobalOpt/alias-resolve.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis > %t
+; RUN: cat %t | grep foo1 | count 1
+; RUN: cat %t | grep foo2 | count 4
+; RUN: cat %t | grep bar1 | count 1
+; RUN: cat %t | grep bar2 | count 4
+
+@foo1 = alias void ()* @foo2
+@foo2 = alias weak void()* @bar1
+@bar1 = alias void ()* @bar2
+
+declare void @bar2()
+
+define void @baz() {
+entry:
+ call void @foo1()
+ call void @foo2()
+ call void @bar1()
+ ret void
+}