| ; RUN: split-file %s %t |
| ; RUN: llvm-profdata merge %t/a.proftext -o %t/a.profdata |
| ; RUN: opt < %t/a.ll -passes=pgo-instr-use -pgo-test-profile-file=%t/a.profdata -S | FileCheck %s |
| |
| ;--- a.ll |
| |
| declare ptr @bar() |
| |
| ; CHECK: define ptr @foo |
| ; Ensure the profile hash matches. If it doesn't we emit the "instr_prof_hash_mismatch" metadata. |
| ; CHECK-NOT: instr_prof_hash_mismatch |
| define ptr @foo() { |
| entry: |
| ret ptr null |
| |
| 2: |
| ret ptr null |
| } |
| |
| ;--- a.proftext |
| # IR level Instrumentation Flag |
| :ir |
| foo |
| # Func Hash: |
| 742261418966908927 |
| # Num Counters: |
| 1 |
| # Counter Values: |
| 1 |
