1 ; Test to check the callgraph in summary
2 ; RUN: opt -write-relbf-to-summary -module-summary %s -o %t.o
3 ; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
4 ; RUN: llvm-dis -o - %t.o | FileCheck %s --check-prefix=DIS
5 ; Round trip it through llvm-as
6 ; RUN: llvm-dis -o - %t.o | llvm-as -write-relbf-to-summary -o - | llvm-dis -o - | FileCheck %s --check-prefix=DIS
8 ; CHECK: <SOURCE_FILENAME
9 ; CHECK-NEXT: <GLOBALVAR
10 ; CHECK-NEXT: <FUNCTION
12 ; CHECK-NEXT: <FUNCTION op0=17 op1=4
13 ; CHECK: <GLOBALVAL_SUMMARY_BLOCK
14 ; CHECK-NEXT: <VERSION
16 ; See if the call to func is registered.
17 ; CHECK-NEXT: <PERMODULE_RELBF {{.*}} op4=1 {{.*}} op9=256
18 ; CHECK-NEXT: <BLOCK_COUNT op0=1/>
19 ; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
20 ; CHECK: <STRTAB_BLOCK
21 ; CHECK-NEXT: blob data = 'undefinedglobmainfunc{{.*}}'
24 ; ModuleID = 'thinlto-function-summary-callgraph.ll'
25 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
26 target triple = "x86_64-unknown-linux-gnu"
28 ; Function Attrs: nounwind uwtable
29 define i32 @main() #0 {
31 call void (...) @func()
32 %u = load i32, i32* @undefinedglob
36 declare void @func(...) #1
37 @undefinedglob = external global i32
39 ; OLD: Index {{.*}} contains 1 nodes (1 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
41 ; DIS: ^0 = module: (path: "{{.*}}", hash: (0, 0, 0, 0, 0))
42 ; DIS: ^1 = gv: (name: "func") ; guid = 7289175272376759421
43 ; DIS: ^2 = gv: (name: "main", summaries: (function: (module: ^0, flags: (linkage: external, visibility: default, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 3, calls: ((callee: ^1, relbf: 256)), refs: (readonly ^3)))) ; guid = 15822663052811949562
44 ; DIS: ^3 = gv: (name: "undefinedglob") ; guid = 18036901804029949403