| Test the profile version. | |
| RUN: llvm-profdata merge -o %t.profdata %p/Inputs/basic.proftext | |
| RUN: llvm-profdata show --profile-version %t.profdata | FileCheck %s | |
| CHECK: Profile version: 12 | |
| RUN: llvm-profdata merge -o %t.prev.profdata %p/Inputs/basic.proftext --write-prev-version | |
| RUN: llvm-profdata show --profile-version %t.prev.profdata | FileCheck %s --check-prefix=PREV | |
| PREV: Profile version: 11 |