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:    <VALUE_GUID op0=26 op1=123/>
33; op4=none1 op6=hot1 op8=cold1 op10=none2 op12=hot2 op14=cold2 op16=none3 op18=hot3 op20=cold3 op22=123
34; CHECK-NEXT:    <PERMODULE_PROFILE {{.*}} op4=7 op5=0 op6=1 op7=3 op8=4 op9=1 op10=8 op11=0 op12=2 op13=3 op14=5 op15=1 op16=9 op17=0 op18=3 op19=3 op20=6 op21=1 op22=26 op23=4/>
35; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
36
37; CHECK: <STRTAB_BLOCK
38; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}'
39
40; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
41; COMBINED-NEXT:    <VERSION
42; COMBINED-NEXT:    <VALUE_GUID
43; COMBINED-NEXT:    <VALUE_GUID
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:    <COMBINED abbrevid=
53; COMBINED-NEXT:    <COMBINED abbrevid=
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_PROFILE {{.*}} op5=[[NONE1:.*]] op6=0 op7=[[HOT1:.*]] op8=3 op9=[[COLD1:.*]] op10=1 op11=[[NONE2:.*]] op12=0 op13=[[HOT2:.*]] op14=3 op15=[[COLD2:.*]] op16=1 op17=[[NONE3:.*]] op18=0 op19=[[HOT3:.*]] op20=3 op21=[[COLD3:.*]] op22=1/>
61; COMBINED_NEXT:    <COMBINED abbrevid=
62; COMBINED_NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
63
64
65; ModuleID = 'thinlto-function-summary-callgraph.ll'
66target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
67target triple = "x86_64-unknown-linux-gnu"
68
69; This function have high profile count, so entry block is hot.
70define void @hot_function(i1 %a, i1 %a2) !prof !20 {
71entry:
72  call void @none1()
73  call void @hot1(), !prof !15
74  call void @cold1(), !prof !16
75  br i1 %a, label %Cold, label %Hot, !prof !41
76Cold:           ; 1/1000 goes here
77  call void @none2()
78  call void @hot2(), !prof !15
79  call void @cold2(), !prof !16
80  br label %exit
81Hot:            ; 999/1000 goes here
82  call void @none3()
83  call void @hot3(), !prof !15
84  call void @cold3(), !prof !16
85  br label %exit
86exit:
87  ret void
88}
89
90declare void @hot1() #1
91declare void @hot2() #1
92declare void @hot3() #1
93declare void @cold1() #1
94declare void @cold2() #1
95declare void @cold3() #1
96declare void @none1() #1
97declare void @none2() #1
98declare void @none3() #1
99
100!41 = !{!"branch_weights", i32 1, i32 1000}
101
102!llvm.module.flags = !{!1}
103!20 = !{!"function_entry_count", i64 110, i64 123}
104
105!1 = !{i32 1, !"ProfileSummary", !2}
106!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
107!3 = !{!"ProfileFormat", !"SampleProfile"}
108!4 = !{!"TotalCount", i64 10000}
109!5 = !{!"MaxCount", i64 10}
110!6 = !{!"MaxInternalCount", i64 1}
111!7 = !{!"MaxFunctionCount", i64 1000}
112!8 = !{!"NumCounts", i64 3}
113!9 = !{!"NumFunctions", i64 3}
114!10 = !{!"DetailedSummary", !11}
115!11 = !{!12, !13, !14}
116!12 = !{i32 10000, i64 100, i32 1}
117!13 = !{i32 999000, i64 100, i32 1}
118!14 = !{i32 999999, i64 1, i32 2}
119!15 = !{!"branch_weights", i32 100}
120!16 = !{!"branch_weights", i32 1}
121