llvm/test/CodeGen/X86/load-sample-profile-2.ll

;;; MFS with sample profile fails when no -enable-fs-discriminator=true.
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -fs-profile-file=%S/Inputs/fsloader-mfs.afdo -split-machine-functions -enable-fs-discriminator=false 2>&1 | FileCheck %s --check-prefix=NODISCRIMINATOR
; NODISCRIMINATOR: warning: Using AutoFDO without FSDiscriminator for MFS may regress performance.

define void @foo4(i1 zeroext %0, i1 zeroext %1) nounwind {
  br i1 %0, label %3, label %7

3:
  %4 = call i32 @bar()
  br label %7

5:
  %6 = call i32 @baz()
  br label %7

7:
  br i1 %1, label %8, label %10

8:
  %9 = call i32 @bam()
  br label %12

10:
  %11 = call i32 @baz()
  br label %12

12:
  %13 = tail call i32 @qux()
  ret void
}

declare i32 @bar()
declare i32 @baz()
declare i32 @bam()
declare i32 @qux()