1 ; RUN: opt < %s -loop-vectorize -force-vector-width=4 -dce
3 ; Check that we don't fall into an infinite loop.
4 define void @test() nounwind {
9 %0 = phi i32 [ 1, %entry ], [ 0, %for.body ]
15 define void @test2() nounwind {
19 for.body: ; preds = %for.body, %entry
20 %indvars.iv47 = phi i64 [ 0, %entry ], [ %indvars.iv.next48, %for.body ]
21 %0 = phi i32 [ 1, %entry ], [ 0, %for.body ]
22 %indvars.iv.next48 = add i64 %indvars.iv47, 1
23 br i1 undef, label %for.end, label %for.body
25 for.end: ; preds = %for.body