New testcase

[oota-llvm.git] / test / Assembler / 2002-08-22-DominanceProblem.ll

diff --git a/test/Assembler/2002-08-22-DominanceProblem.ll b/test/Assembler/2002-08-22-DominanceProblem.ll
new file mode 100644 (file)
index 0000000..ed8c704
--- /dev/null
+++ b/test/Assembler/2002-08-22-DominanceProblem.ll
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+; 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
+}
+