xref: /llvm-project/llvm/test/Bitcode/thinlto-function-summary-callgraph-pgo.ll (revision fa4fbaefde8569ca64594fc3845340536ec8eb02)
1; Test to check the callgraph in summary when there is PGO
2; RUN: opt -module-summary %s -o %t.o
3; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
4
5; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph.ll -o %t2.o
6; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
7; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
8
9; Check parsing for old summary versions generated from this file.
10; RUN: llvm-lto -thinlto-index-stats %p/Inputs/thinlto-function-summary-callgraph-pgo.1.bc  | FileCheck %s --check-prefix=OLD
11; RUN: llvm-lto -thinlto-index-stats %p/Inputs/thinlto-function-summary-callgraph-pgo-combined.1.bc  | FileCheck %s --check-prefix=OLD-COMBINED
12
13; CHECK: <SOURCE_FILENAME
14; CHECK-NEXT: <FUNCTION
15; "func"
16; CHECK-NEXT: <FUNCTION op0=4 op1=4
17; CHECK:       <GLOBALVAL_SUMMARY_BLOCK
18; CHECK-NEXT:    <VERSION
19; CHECK-NEXT:    <FLAGS
20; See if the call to func is registered, using the expected hotness type.
21; CHECK-NEXT:    <PERMODULE_PROFILE {{.*}} op7=1 op8=2/>
22; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
23; CHECK: <STRTAB_BLOCK
24; CHECK-NEXT: blob data = 'mainfunc{{.*}}'
25
26; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
27; COMBINED-NEXT:    <VERSION
28; COMBINED-NEXT:    <FLAGS
29; COMBINED-NEXT:    <VALUE_GUID {{.*}} op0=[[FUNCID:[0-9]+]] op1=1697143370 op2=1603531901/>
30; COMBINED-NEXT:    <VALUE_GUID
31; COMBINED-NEXT:    <COMBINED
32; See if the call to func is registered, using the expected hotness type.
33; op6=2 which is hotnessType::None.
34; COMBINED-NEXT:    <COMBINED_PROFILE {{.*}} op9=[[FUNCID]] op10=2/>
35; COMBINED-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
36
37; ModuleID = 'thinlto-function-summary-callgraph.ll'
38target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
39target triple = "x86_64-unknown-linux-gnu"
40
41; Function Attrs: nounwind uwtable
42define i32 @main() #0 !prof !2 {
43entry:
44    call void (...) @func()
45    ret i32 0
46}
47
48declare void @func(...) #1
49
50!2 = !{!"function_entry_count", i64 1}
51
52; OLD: Index {{.*}} contains 1 nodes (1 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
53; OLD-COMBINED: Index {{.*}} contains 2 nodes (2 functions, 0 alias, 0 globals) and 1 edges (0 refs and 1 calls)
54