; 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 fromJSON --input=%t/profile.json --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.json
[
{
"Counters": [
9
],
"Guid": 12341
},
{
"Counters": [
5
],
"Guid": 1000
},
{
"Callsites": [
[
{
"Counters": [
6,
7
],
"Guid": 1000
}
]
],
"Counters": [
1
],
"Guid": 34234
}
]
;--- 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 }