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=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=26 op26=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_PROFILE abbrevid= 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 {{.*}} 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/> 63; COMBINED-NEXT: <COMBINED_PROFILE 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