| ; Ensure that the value of the structural hash is consistent across runs to |
| ; check that we aren't doing something like hashing a pointer that could |
| ; introduce non-determinism. |
| |
| ; RUN: opt -passes='print<structural-hash><detailed>' -disable-output %s &> %t.1 |
| ; RUN: opt -passes='print<structural-hash><detailed>' -disable-output %s &> %t.2 |
| ; RUN: diff %t.1 %t.2 |
| |
| ; Check that we get valid output in the detailed case. |
| |
| ; cat %t.1 | FileCheck %s |
| |
| define i64 @f1(i64 %a) { |
| ret i64 %a |
| } |
| |
| ; CHECK: Module Hash: {{([a-z0-9]{14,})}} |
| ; CHECK: Function f1 Hash: {{([a-z0-9]{14,})}} |
| |
