| ; 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-LABEL: <GLOBALVAL_SUMMARY_BLOCK |
| ; CHECK-NEXT: <VERSION |
| ; See if the call to func is registered, using the expected callsite count |
| ; and profile count, with value id matching the subsequent value symbol table. |
| ; CHECK-NEXT: <PERMODULE_PROFILE {{.*}} op4=[[HOT1:.*]] op5=3 op6=[[COLD:.*]] op7=1 op8=[[HOT2:.*]] op9=3 op10=[[NONE1:.*]] op11=2 op12=[[HOT3:.*]] op13=3 op14=[[NONE2:.*]] op15=2 op16=[[NONE3:.*]] op17=2/> |
| ; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK> |
| ; CHECK-LABEL: <VALUE_SYMTAB |
| ; CHECK-NEXT: <FNENTRY {{.*}} record string = 'hot_function |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[NONE1]] {{.*}} record string = 'none1' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[COLD]] {{.*}} record string = 'cold' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[NONE2]] {{.*}} record string = 'none2' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[NONE3]] {{.*}} record string = 'none3' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[HOT1]] {{.*}} record string = 'hot1' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[HOT2]] {{.*}} record string = 'hot2' |
| ; CHECK-DAG: <ENTRY abbrevid=6 op0=[[HOT3]] {{.*}} record string = 'hot3' |
| ; CHECK-LABEL: </VALUE_SYMTAB> |
| |
| ; COMBINED: <GLOBALVAL_SUMMARY_BLOCK |
| ; COMBINED-NEXT: <VERSION |
| ; 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 {{.*}} op5=[[HOT1:.*]] op6=3 op7=[[COLD:.*]] op8=1 op9=[[HOT2:.*]] op10=3 op11=[[NONE1:.*]] op12=2 op13=[[HOT3:.*]] op14=3 op15=[[NONE2:.*]] op16=2 op17=[[NONE3:.*]] op18=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 @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 @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} |
| |
| !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} |