; Test to check the callgraph in summary when there is PGO ; RUN: opt -module-summary %s -o %t.o ; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s ; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-profile-summary.ll -o %t2.o ; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o ; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED ; CHECK: <SOURCE_FILENAME ; "hot_function" ; CHECK-NEXT: <FUNCTION op0=0 op1=12 ; "hot1" ; CHECK-NEXT: <FUNCTION op0=12 op1=4 ; "hot2" ; CHECK-NEXT: <FUNCTION op0=16 op1=4 ; "hot3" ; CHECK-NEXT: <FUNCTION op0=20 op1=4 ; "hot4" ; CHECK-NEXT: <FUNCTION op0=24 op1=4 ; "cold" ; CHECK-NEXT: <FUNCTION op0=28 op1=4 ; "none1" ; CHECK-NEXT: <FUNCTION op0=32 op1=5 ; "none2" ; CHECK-NEXT: <FUNCTION op0=37 op1=5 ; "none3" ; CHECK-NEXT: <FUNCTION op0=42 op1=5 ; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK ; CHECK-NEXT: <VERSION ; CHECK-NEXT: <VALUE_GUID op0=25 op1=123/> ; op4=hot1 op6=cold op8=hot2 op10=hot4 op12=none1 op14=hot3 op16=none2 op18=none3 op20=123 ; CHECK-NEXT: <PERMODULE_PROFILE {{.*}} op5=1 op6=3 op7=5 op8=1 op9=2 op10=3 op11=4 op12=1 op13=6 op14=2 op15=3 op16=3 op17=7 op18=2 op19=8 op20=2 op21=25 op22=4/> ; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK> ; CHECK: <STRTAB_BLOCK ; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3hot4coldnone1none2none3{{.*}}' ; COMBINED: <GLOBALVAL_SUMMARY_BLOCK ; COMBINED-NEXT: <VERSION ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <VALUE_GUID ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED abbrevid= ; COMBINED-NEXT: <COMBINED_PROFILE {{.*}} op6=[[HOT1:.*]] op7=3 op8=[[COLD:.*]] op9=1 op10=[[HOT2:.*]] op11=3 op12=[[NONE1:.*]] op13=2 op14=[[HOT3:.*]] op15=3 op16=[[NONE2:.*]] op17=2 op18=[[NONE3:.*]] op19=2/> ; COMBINED_NEXT: <COMBINED abbrevid= ; COMBINED_NEXT: </GLOBALVAL_SUMMARY_BLOCK> ; ModuleID = 'thinlto-function-summary-callgraph.ll' target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; This function have high profile count, so entry block is hot. define void @hot_function(i1 %a, i1 %a2) !prof !20 { entry: call void @hot1() br i1 %a, label %Cold, label %Hot, !prof !41 Cold: ; 1/1000 goes here call void @cold() call void @hot2() call void @hot4(), !prof !15 call void @none1() br label %exit Hot: ; 999/1000 goes here call void @hot2() call void @hot3() br i1 %a2, label %None1, label %None2, !prof !42 None1: ; half goes here call void @none1() call void @none2() br label %exit None2: ; half goes here call void @none3() br label %exit exit: ret void } declare void @hot1() #1 declare void @hot2() #1 declare void @hot3() #1 declare void @hot4() #1 declare void @cold() #1 declare void @none1() #1 declare void @none2() #1 declare void @none3() #1 !41 = !{!"branch_weights", i32 1, i32 1000} !42 = !{!"branch_weights", i32 1, i32 1} !llvm.module.flags = !{!1} !20 = !{!"function_entry_count", i64 110, i64 123} !1 = !{i32 1, !"ProfileSummary", !2} !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} !3 = !{!"ProfileFormat", !"InstrProf"} !4 = !{!"TotalCount", i64 10000} !5 = !{!"MaxCount", i64 10} !6 = !{!"MaxInternalCount", i64 1} !7 = !{!"MaxFunctionCount", i64 1000} !8 = !{!"NumCounts", i64 3} !9 = !{!"NumFunctions", i64 3} !10 = !{!"DetailedSummary", !11} !11 = !{!12, !13, !14} !12 = !{i32 10000, i64 100, i32 1} !13 = !{i32 999000, i64 100, i32 1} !14 = !{i32 999999, i64 1, i32 2} !15 = !{!"branch_weights", i32 100}