; REQUIRES: x86_64-linux
;
; 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-prefix=NO-CTX

; RUN: not opt -passes='require<ctx-prof-analysis>,print<ctx-prof-analysis>' -ctx-profile-printer-level=everything \
; RUN:   -use-ctx-profile=does_not_exist.ctxprofdata %t/example.ll -S 2>&1 | FileCheck %s --check-prefix=NO-FILE

; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' \
; RUN:   -use-ctx-profile=%t/profile.ctxprofdata %t/example.ll -S -o %t/prelink.ll

; RUN: opt -module-summary -passes='thinlto-pre-link<O2>' -use-ctx-profile=%t/profile.ctxprofdata \
; RUN:  %t/example.ll -S -o %t/prelink.ll
; RUN: opt -passes='require<ctx-prof-analysis>,print<ctx-prof-analysis>' -ctx-profile-printer-level=everything \
; RUN:   -use-ctx-profile=%t/profile.ctxprofdata %t/prelink.ll -S 2> %t/output.txt
; RUN: diff %t/expected-profile-output.txt %t/output.txt

; NO-FILE: error: could not open contextual profile file
; NO-CTX: No contextual profile was provided
;
; This is the reference profile, laid out in the format the json formatter will
; output it from opt.
;--- profile.yaml
Contexts:
  - Guid: 12341
    TotalRootEntryCount: 90
    Counters: [9]
  - Guid: 12074870348631550642
    TotalRootEntryCount: 24
    Counters: [5]
  - Guid: 11872291593386833696
    TotalRootEntryCount: 4
    Counters: [1]
    Callsites:  -
                  - Guid: 728453322856651412
                    Counters: [6, 7]
;--- expected-profile-output.txt
Function Info:
4909520559318251808 : an_entrypoint. MaxCounterID: 2. MaxCallsiteID: 1
11872291593386833696 : foo. MaxCounterID: 1. MaxCallsiteID: 1
12074870348631550642 : another_entrypoint_no_callees. MaxCounterID: 1. MaxCallsiteID: 0

Current Profile:

Contexts:
  - Guid:            12341
    TotalRootEntryCount: 90
    Counters:        [ 9 ]
  - Guid:            11872291593386833696
    TotalRootEntryCount: 4
    Counters:        [ 1 ]
    Callsites:
      - - Guid:            728453322856651412
          Counters:        [ 6, 7 ]
  - Guid:            12074870348631550642
    TotalRootEntryCount: 24
    Counters:        [ 5 ]

Flat Profile:
12341 : 810 
728453322856651412 : 24 28 
11872291593386833696 : 4 
12074870348631550642 : 120 
;--- example.ll
declare void @bar()

define private void @foo(i32 %a, ptr %fct) #0 !guid !0 {
  %t = icmp eq i32 %a, 0
  br i1 %t, label %yes, label %no
yes:
  call void %fct(i32 %a)
  br label %exit
no:
  call void @bar()
  br label %exit
exit:
  ret void
}

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

yes:
  call void @foo(i32 1, ptr null)
  ret void
no:
  ret void
}

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

yes:
  ret void
no:
  ret void
}

attributes #0 = { noinline }
!0 = !{ i64 11872291593386833696 }