1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll
new file mode 100644
index 0000000..7f0a57c
--- /dev/null
+++ b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll
@@ -0,0 +1,24 @@
+; Basic block #2 should not be merged into BB #3!
+;
+; RUN: llvm-upgrade < %s | llvm-as | opt -simplifycfg | llvm-dis | \
+; RUN:   grep {br label}
+;
+declare void %foo()
+implementation
+
+void "cprop_test12"(int* %data) {
+bb0:
+        %reg108 = load int* %data
+        %cond218 = setne int %reg108, 5
+        br bool %cond218, label %bb3, label %bb2
+
+bb2:
+	call void %foo()
+        br label %bb3
+
+bb3:
+        %reg117 = phi int [ 110, %bb2 ], [ %reg108, %bb0 ]
+        store int %reg117, int* %data
+        ret void
+}
+