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-rw-r--r--test/Transforms/InstCombine/crash.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/crash.ll b/test/Transforms/InstCombine/crash.ll
index e8babc3a1e..e17774d7b0 100644
--- a/test/Transforms/InstCombine/crash.ll
+++ b/test/Transforms/InstCombine/crash.ll
@@ -353,3 +353,20 @@ entry:
ret %struct.basic_ios* %0
}
+; PR9013
+define void @test18() nounwind ssp {
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.inc, %entry
+ %l_197.0 = phi i32 [ 0, %entry ], [ %sub.i, %for.inc ]
+ br label %for.inc
+
+for.inc: ; preds = %for.cond
+ %conv = and i32 %l_197.0, 255
+ %sub.i = add nsw i32 %conv, -1
+ br label %for.cond
+
+return: ; No predecessors!
+ ret void
+}