1cee313d2SEric Christopher; RUN: llvm-profdata merge %S/Inputs/diag.proftext -o %t.profdata 2cee313d2SEric Christopher; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S 2>&1 | FileCheck %s 3cee313d2SEric Christopher 4*5e044329SRong Xu; CHECK: warning: {{.+}}: function control flow change detected (hash mismatch) foo Hash = 742261418966908927 up to 10000 count discarded 5cee313d2SEric Christopher 67b1d7937SAmy Huangtarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 7cee313d2SEric Christophertarget triple = "x86_64-unknown-linux-gnu" 8cee313d2SEric Christopher 9cee313d2SEric Christopherdefine i32 @foo() { 10cee313d2SEric Christopherentry: 11cee313d2SEric Christopher ret i32 0 12cee313d2SEric Christopher} 13