xref: /llvm-project/llvm/test/Transforms/LoopRotate/freeze-crash.ll (revision e730e7d2aa403cc87cc7ce9021ad035b385f4357)
1; RUN: opt -passes=loop-rotate -disable-output %s
2
3; Make sure we don't crash on this test.
4define void @foo(ptr %arg) {
5bb:
6  %tmp = load i32, ptr %arg, align 4
7  br label %bb1
8
9bb1:                                              ; preds = %bb7, %bb
10  %tmp2 = phi i32 [ %tmp, %bb ], [ 1, %bb7 ]
11  %tmp3 = sub i32 0, %tmp2
12  %tmp4 = icmp ult i32 0, %tmp3
13  %tmp5 = freeze i1 %tmp4
14  br i1 %tmp5, label %bb7, label %bb6
15
16bb6:                                              ; preds = %bb1
17  ret void
18
19bb7:                                              ; preds = %bb1
20  %tmp8 = getelementptr inbounds i8, ptr undef, i64 8
21  br label %bb1
22}
23
24