llvm/test/Analysis/CtxProfAnalysis/load-unapplicable.ll

; REQUIRES: x86_64-linux
;
; Check that, if none of the roots in the profile are defined in the module, the
; profile is treated as empty (i.e. "none provided")
;
; RUN: rm -rf %t
; RUN: split-file %s %t
; RUN: llvm-ctxprof-util fromYAML --input=%t/profile.yaml --output=%t/profile.ctxprofdata
; RUN: opt -passes='require<ctx-prof-analysis>,print<ctx-prof-analysis>' -ctx-profile-printer-level=everything \
; RUN:   %t/example.ll -S 2>&1 | FileCheck %s

; CHECK: No contextual profile was provided
;
; This is the reference profile, laid out in the format the json formatter will
; output it from opt. Note that the root GUIDs - 12341 and 34234 - are different from
; the GUID present in the module, which is otherwise present in the profile, but not
; as a root.
;--- profile.yaml
Contexts:
  - Guid: 12341
    TotalRootEntryCount: 24
    Counters: [9]
  - Guid: 1000
    TotalRootEntryCount: 25
    Counters: [5]
  - Guid: 34234
    TotalRootEntryCount: 2
    Counters: [1]
    Callsites:  -
                  - Guid: 1000
                    Counters: [6, 7]
;--- example.ll
declare void @bar()

define void @an_entrypoint(i32 %a) !guid !0 {
  %t = icmp eq i32 %a, 0
  br i1 %t, label %yes, label %no

yes:
  call void @bar()
  ret void
no:
  ret void
}

attributes #0 = { noinline }
!0 = !{ i64 1000 }