; RUN: opt < %s -passes=print-callgraph -disable-output 2>&1 | FileCheck %s
; CHECK: Call graph node <<null function>>
; CHECK: CS<{{.*}}> calls function 'callee'
; CHECK: Call graph node for function: 'caller'
; CHECK: CS<{{.*}}> calls function 'callee'
define internal void @callee(...) {
entry:
unreachable
}
define void @caller() {
entry:
call void (...) @callee( ptr @callee )
unreachable
}