1; RUN: llvm-profdata merge %S/Inputs/diag.proftext -o %t.profdata 2; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S 2>&1 | FileCheck %s 3; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S 2>&1 | FileCheck %s 4 5; CHECK: Function control flow change detected (hash mismatch) foo 6 7target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 8target triple = "x86_64-unknown-linux-gnu" 9 10define i32 @foo() { 11entry: 12 ret i32 0 13} 14