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; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-sample-profile-summary.ll -o %t2.o
5; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
6; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
7
8
9; CHECK: <SOURCE_FILENAME
10; "hot_function"
11; CHECK-NEXT: <FUNCTION op0=0 op1=12
12; "hot1"
13; CHECK-NEXT: <FUNCTION op0=12 op1=4
14; "hot2"
15; CHECK-NEXT: <FUNCTION op0=16 op1=4
16; "hot3"
17; CHECK-NEXT: <FUNCTION op0=20 op1=4
18; "hot4"
19; CHECK-NEXT: <FUNCTION op0=24 op1=5
20; "cold"
21; CHECK-NEXT: <FUNCTION op0=29 op1=5
22; "none1"
23; CHECK-NEXT: <FUNCTION op0=34 op1=5
24; "none2"
25; CHECK-NEXT: <FUNCTION op0=39 op1=5
26; "none3"
27; CHECK-NEXT: <FUNCTION op0=44 op1=5
28; CHECK-NEXT: <FUNCTION op0=49 op1=5
29
30; CHECK-LABEL:       <GLOBALVAL_SUMMARY_BLOCK
31; CHECK-NEXT:    <VERSION
32; CHECK-NEXT:    <FLAGS
33; CHECK-NEXT:    <VALUE_GUID op0=26 op1=123/>
34; op4=none1 op6=hot1 op8=cold1 op10=none2 op12=hot2 op14=cold2 op16=none3 op18=hot3 op20=cold3 op22=123
35; CHECK-NEXT:    <PERMODULE_PROFILE {{.*}} op6=7 op7=0 op8=1 op9=3 op10=4 op11=1 op12=8 op13=0 op14=2 op15=3 op16=5 op17=1 op18=9 op19=0 op20=3 op21=3 op22=6 op23=1 op24=26 op25=4/>
36; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
37
38; CHECK: <STRTAB_BLOCK
39; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}'
40
41; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
42; COMBINED-NEXT:    <VERSION
43; COMBINED-NEXT:    <FLAGS
44; COMBINED-NEXT:    <VALUE_GUID
45; COMBINED-NEXT:    <VALUE_GUID
46; COMBINED-NEXT:    <VALUE_GUID
47; COMBINED-NEXT:    <VALUE_GUID
48; COMBINED-NEXT:    <VALUE_GUID
49; COMBINED-NEXT:    <VALUE_GUID
50; COMBINED-NEXT:    <VALUE_GUID
51; COMBINED-NEXT:    <VALUE_GUID
52; COMBINED-NEXT:    <VALUE_GUID
53; COMBINED-NEXT:    <VALUE_GUID
54; COMBINED-NEXT:    <COMBINED abbrevid=
55; COMBINED-NEXT:    <COMBINED abbrevid=
56; COMBINED-NEXT:    <COMBINED abbrevid=
57; COMBINED-NEXT:    <COMBINED abbrevid=
58; COMBINED-NEXT:    <COMBINED abbrevid=
59; COMBINED-NEXT:    <COMBINED abbrevid=
60; COMBINED-NEXT:    <COMBINED abbrevid=
61; COMBINED-NEXT:    <COMBINED abbrevid=
62; COMBINED-NEXT:    <COMBINED_PROFILE {{.*}} op8=[[NONE1:.*]] op9=0 op10=[[HOT1:.*]] op11=3 op12=[[COLD1:.*]] op13=1 op14=[[NONE2:.*]] op15=0 op16=[[HOT2:.*]] op17=3 op18=[[COLD2:.*]] op19=1 op20=[[NONE3:.*]] op21=0 op22=[[HOT3:.*]] op23=3 op24=[[COLD3:.*]] op25=1/>
63; COMBINED_NEXT:    <COMBINED abbrevid=
64; COMBINED_NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
65
66
67; ModuleID = 'thinlto-function-summary-callgraph.ll'
68target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
69target triple = "x86_64-unknown-linux-gnu"
70
71; This function have high profile count, so entry block is hot.
72define void @hot_function(i1 %a, i1 %a2) !prof !20 {
73entry:
74  call void @none1()
75  call void @hot1(), !prof !15
76  call void @cold1(), !prof !16
77  br i1 %a, label %Cold, label %Hot, !prof !41
78Cold:           ; 1/1000 goes here
79  call void @none2()
80  call void @hot2(), !prof !15
81  call void @cold2(), !prof !16
82  br label %exit
83Hot:            ; 999/1000 goes here
84  call void @none3()
85  call void @hot3(), !prof !15
86  call void @cold3(), !prof !16
87  br label %exit
88exit:
89  ret void
90}
91
92declare void @hot1() #1
93declare void @hot2() #1
94declare void @hot3() #1
95declare void @cold1() #1
96declare void @cold2() #1
97declare void @cold3() #1
98declare void @none1() #1
99declare void @none2() #1
100declare void @none3() #1
101
102!41 = !{!"branch_weights", i32 1, i32 1000}
103
104!llvm.module.flags = !{!1}
105!20 = !{!"function_entry_count", i64 110, i64 123}
106
107!1 = !{i32 1, !"ProfileSummary", !2}
108!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
109!3 = !{!"ProfileFormat", !"SampleProfile"}
110!4 = !{!"TotalCount", i64 10000}
111!5 = !{!"MaxCount", i64 10}
112!6 = !{!"MaxInternalCount", i64 1}
113!7 = !{!"MaxFunctionCount", i64 1000}
114!8 = !{!"NumCounts", i64 3}
115!9 = !{!"NumFunctions", i64 3}
116!10 = !{!"DetailedSummary", !11}
117!11 = !{!12, !13, !14}
118!12 = !{i32 10000, i64 100, i32 1}
119!13 = !{i32 999000, i64 100, i32 1}
120!14 = !{i32 999999, i64 1, i32 2}
121!15 = !{!"branch_weights", i32 100}
122!16 = !{!"branch_weights", i32 1}
123