text: ; RUN: opt -analyze -scalar-evolution < %s | FileCheck %s
  
  ; This loop has no preheader, multiple backedges, etc., but ScalarEvolution
  ; should still be able to analyze it.
  
  ; CHECK: %i = phi i64 [ 5, %entry ], [ 5, %alt ], [ %i.next, %loop.a ], [ %i.next, %loop.b ]
  ; CHECK-NEXT: -->  {5,+,1}<%loop>
  
  define void @foo(i1 %p, i1 %q, i1 %s, i1 %u) {
  entry:
    br i1 %p, label %loop, label %alt
  
  alt:
    br i1 %s, label %loop, label %exit
  
  loop:
    %i = phi i64 [ 5, %entry ], [ 5, %alt ], [ %i.next, %loop.a ], [ %i.next, %loop.b ]
    %i.next = add i64 %i, 1
    br i1 %q, label %loop.a, label %loop.b
  
  loop.a:
    br label %loop
  
  loop.b:
    br i1 %u, label %loop, label %exit
  
  exit:
    ret void
  }
  