1 files changed, 15 insertions, 0 deletions
diff --git a/test/Assembler/2002-08-22-DominanceProblem.ll b/test/Assembler/2002-08-22-DominanceProblem.ll
new file mode 100644
index 0000000..c6fb9a3
--- /dev/null
+++ b/test/Assembler/2002-08-22-DominanceProblem.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-upgrade < %s | llvm-as -o /dev/null -f
+
+; Dominance relationships is not calculated correctly for unreachable blocks,
+; which causes the verifier to barf on this input.
+
+int %test(bool %b) {
+BB0:  ret int 7                                 ; Loop is unreachable
+
+Loop:
+        %B = phi int [%B, %L2], [%B, %Loop]     ; PHI has same value always.
+        br bool %b, label %L2, label %Loop
+L2:
+        br label %Loop
+}
+