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 7 8; CHECK: <SOURCE_FILENAME 9; CHECK-NEXT: <GLOBALVAR 10; CHECK-NEXT: <FUNCTION 11; "func" 12; CHECK-NEXT: <FUNCTION op0=17 op1=4 13; CHECK: <GLOBALVAL_SUMMARY_BLOCK 14; CHECK-NEXT: <VERSION 15; CHECK-NEXT: <FLAGS 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{{.*}}' 22 23 24; ModuleID = 'thinlto-function-summary-callgraph.ll' 25target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 26target triple = "x86_64-unknown-linux-gnu" 27 28; Function Attrs: nounwind uwtable 29define i32 @main() #0 { 30entry: 31 call void (...) @func() 32 %u = load i32, i32* @undefinedglob 33 ret i32 %u 34} 35 36declare void @func(...) #1 37@undefinedglob = external global i32 38 39; OLD: Index {{.*}} contains 1 nodes (1 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls) 40 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, 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 45