diff --git a/test/Transforms/TailCallElim/return-undef.ll b/test/Transforms/TailCallElim/return-undef.ll new file mode 100644 index 00000000000..116d451c639 --- /dev/null +++ b/test/Transforms/TailCallElim/return-undef.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | grep sub && +; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call + +int %test(int %X) { + %Y = sub int %X, 1 + %Z = call int %test(int %Y) + ret int undef +}