| ; RUN: opt -S -passes='verify<scalar-evolution>' < %s |
| |
| ; Make sure this does not fail ValuesAtScopes consistency verification. |
| ; This used to register a ValuesAtScopes user, even though nothing was |
| ; added to ValuesAtScope due to a prior invalidation. |
| |
| define void @main(i8* %p) { |
| entry: |
| br label %loop1 |
| |
| loop1: |
| br label %loop2 |
| |
| loop2: |
| %i = phi i64 [ 0, %loop1 ], [ %i.next, %loop2.latch ] |
| %i.next = add nuw nsw i64 %i, 1 |
| %gep = getelementptr i8, i8* %p, i64 %i |
| %val = load i8, i8* %gep |
| %c = icmp eq i8 %val, 0 |
| br i1 %c, label %loop2.latch, label %exit |
| |
| loop2.latch: |
| br i1 false, label %loop2, label %loop1.latch |
| |
| loop1.latch: |
| br label %loop1 |
| |
| exit: |
| ret void |
| } |
