1; REQUIRES: x86 2 3; RUN: rm -rf %t && split-file %s %t 4; RUN: llvm-as %t/a.ll -o %t/a.o 5; RUN: llvm-profdata merge %t/cs.proftext -o %t/cs.profdata 6 7;; Ensure lld generates warnings for profile cfg mismatch. 8; RUN: not %lld -dylib --cs-profile-path=%t/cs.profdata %t/a.o -o /dev/null 2>&1 | FileCheck %s 9; RUN: not %lld -dylib --cs-profile-path=%t/cs.profdata --pgo-warn-mismatch %t/a.o -o /dev/null 2>&1 | FileCheck %s 10 11;; Ensure lld will not generate warnings for profile cfg mismatch. 12; RUN: %lld -dylib --cs-profile-path=%t/cs.profdata --no-pgo-warn-mismatch %t/a.o -o /dev/null 13 14; CHECK: function control flow change detected (hash mismatch) foo Hash = [[#]] 15 16;--- a.ll 17target triple = "x86_64-apple-darwin" 18target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 19 20define i32 @foo() { 21entry: 22 ret i32 0 23} 24 25;--- cs.proftext 26:csir 27foo 28# Func Hash: 292277602155505015273 30# Num Counters: 312 32# Counter Values: 331 340 35