--- /dev/null
+; RUN: llvm-as < %s | opt -inline -loop-rotate | llvm-dis
+; PR3601
+declare void @solve()
+
+define internal fastcc void @read() {
+ br label %bb4
+
+bb3:
+ br label %bb4
+
+bb4:
+ call void @solve()
+ br i1 false, label %bb5, label %bb3
+
+bb5:
+ unreachable
+}
+
+define internal fastcc void @parse() {
+ call fastcc void @read()
+ ret void
+}
+
+define void @main() {
+ invoke fastcc void @parse()
+ to label %invcont unwind label %lpad
+
+invcont:
+ unreachable
+
+lpad:
+ unreachable
+}