Add new test that causes infinite recursion in bu pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4669 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 24 insertions, 0 deletions

diff --git a/test/Transforms/DSAnalysis/recursion.ll b/test/Transforms/DSAnalysis/recursion.ll
new file mode 100644
index 0000000000..669b0a4e1b
--- /dev/null
+++ b/test/Transforms/DSAnalysis/recursion.ll
@@ -0,0 +1,24 @@
+implementation   ; Functions:
+
+declare void %__main()
+
+void %A(int* %L) {
+bb0:            ; No predecessors!
+        call void %B( int* %L )
+        call void %A( int* %L )
+        ret void
+}
+
+void %B(int* %L) {
+bb0:            ; No predecessors!
+        call void %A( int* %L )
+        ret void
+}
+
+void %main() {
+bb0:            ; No predecessors!
+        call void %__main( )
+        call void %A( int* null )
+        ret void
+}
+