diff --git a/llvm/test/Transforms/DeadStoreElimination/dominate.ll b/llvm/test/Transforms/DeadStoreElimination/dominate.ll new file mode 100644 index 000000000000..284fea4234fc --- /dev/null +++ b/llvm/test/Transforms/DeadStoreElimination/dominate.ll @@ -0,0 +1,25 @@ +; RUN: opt %s -dse -disable-output +; test that we don't crash +declare void @bar() + +define void @foo() { +bb1: + %memtmp3.i = alloca [21 x i8], align 1 + %0 = getelementptr inbounds [21 x i8]* %memtmp3.i, i64 0, i64 0 + br label %bb3 + +bb2: + call void @llvm.lifetime.end(i64 -1, i8* %0) + br label %bb3 + +bb3: + call void @bar() + call void @llvm.lifetime.end(i64 -1, i8* %0) + br label %bb4 + +bb4: + ret void + +} + +declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind