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-partial-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=27 op1=0 op2=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 {{.*}} op7=7 op8=0 op9=1 op10=3 op11=4 op12=1 op13=8 op14=0 op15=2 op16=3 op17=5 op18=1 op19=9 op20=0 op21=3 op22=3 op23=6 op24=1 op25=27 op26=4/>
36; CHECK-NEXT:    <BLOCK_COUNT op0=4/>
37; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
38
39; CHECK: <STRTAB_BLOCK
40; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}'
41
42; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
43; COMBINED-NEXT:    <VERSION
44; COMBINED-NEXT:    <FLAGS
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:    <VALUE_GUID
55; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
56; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
57; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
58; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
59; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
60; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
61; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
62; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
63; COMBINED-NEXT:    <COMBINED_PROFILE {{.*}} op9=[[NONE1:.*]] op10=0 op11=[[HOT1:.*]] op12=3 op13=[[COLD1:.*]] op14=1 op15=[[NONE2:.*]] op16=0 op17=[[HOT2:.*]] op18=3 op19=[[COLD2:.*]] op20=1 op21=[[NONE3:.*]] op22=0 op23=[[HOT3:.*]] op24=3 op25=[[COLD3:.*]] op26=1/>
64; COMBINED-NEXT:    <COMBINED_PROFILE abbrevid=
65; COMBINED-NEXT:    <BLOCK_COUNT op0=13/>
66; COMBINED-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
67
68
69; ModuleID = 'thinlto-function-summary-callgraph.ll'
70target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
71target triple = "x86_64-unknown-linux-gnu"
72
73; This function have high profile count, so entry block is hot.
74define void @hot_function(i1 %a, i1 %a2) !prof !20 {
75entry:
76  call void @none1()
77  call void @hot1(), !prof !17
78  call void @cold1(), !prof !18
79  br i1 %a, label %Cold, label %Hot, !prof !41
80Cold:           ; 1/1000 goes here
81  call void @none2()
82  call void @hot2(), !prof !17
83  call void @cold2(), !prof !18
84  br label %exit
85Hot:            ; 999/1000 goes here
86  call void @none3()
87  call void @hot3(), !prof !17
88  call void @cold3(), !prof !18
89  br label %exit
90exit:
91  ret void
92}
93
94declare void @hot1() #1
95declare void @hot2() #1
96declare void @hot3() #1
97declare void @cold1() #1
98declare void @cold2() #1
99declare void @cold3() #1
100declare void @none1() #1
101declare void @none2() #1
102declare void @none3() #1
103
104!41 = !{!"branch_weights", i32 1, i32 1000}
105
106!llvm.module.flags = !{!1}
107!20 = !{!"function_entry_count", i64 110, i64 123}
108
109!1 = !{i32 1, !"ProfileSummary", !2}
110!2 = !{!3, !4, !5, !6, !7, !8, !9, !10, !11, !12}
111!3 = !{!"ProfileFormat", !"SampleProfile"}
112!4 = !{!"TotalCount", i64 10000}
113!5 = !{!"MaxCount", i64 10}
114!6 = !{!"MaxInternalCount", i64 1}
115!7 = !{!"MaxFunctionCount", i64 1000}
116!8 = !{!"NumCounts", i64 3}
117!9 = !{!"NumFunctions", i64 3}
118!10 = !{!"IsPartialProfile", i64 1}
119!11 = !{!"PartialProfileRatio", double 0.5}
120!12 = !{!"DetailedSummary", !13}
121!13 = !{!14, !15, !16}
122!14 = !{i32 10000, i64 100, i32 1}
123!15 = !{i32 999000, i64 100, i32 1}
124!16 = !{i32 999999, i64 1, i32 2}
125!17 = !{!"branch_weights", i32 100}
126!18 = !{!"branch_weights", i32 1}
127