| ; 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-sample-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=5 |
| ; "cold" |
| ; CHECK-NEXT: <FUNCTION op0=29 op1=5 |
| ; "none1" |
| ; CHECK-NEXT: <FUNCTION op0=34 op1=5 |
| ; "none2" |
| ; CHECK-NEXT: <FUNCTION op0=39 op1=5 |
| ; "none3" |
| ; CHECK-NEXT: <FUNCTION op0=44 op1=5 |
| ; CHECK-NEXT: <FUNCTION op0=49 op1=5 |
| |
| ; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK |
| ; CHECK-NEXT: <VERSION |
| ; CHECK-NEXT: <FLAGS |
| ; CHECK-NEXT: <VALUE_GUID {{.*}} op0=26 op1=0 op2=123/> |
| ; op4=none1 op6=hot1 op8=cold1 op10=none2 op12=hot2 op14=cold2 op16=none3 op18=hot3 op20=cold3 op22=123 |
| ; 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/> |
| ; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK> |
| |
| ; CHECK: <STRTAB_BLOCK |
| ; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}' |
| |
| ; COMBINED: <GLOBALVAL_SUMMARY_BLOCK |
| ; COMBINED-NEXT: <VERSION |
| ; COMBINED-NEXT: <FLAGS |
| ; 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: <VALUE_GUID |
| ; COMBINED-NEXT: <VALUE_GUID |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; COMBINED-NEXT: <COMBINED_PROFILE abbrevid= |
| ; 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/> |
| ; COMBINED-NEXT: <COMBINED_PROFILE 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 @none1() |
| call void @hot1(), !prof !15 |
| call void @cold1(), !prof !16 |
| br i1 %a, label %Cold, label %Hot, !prof !41 |
| Cold: ; 1/1000 goes here |
| call void @none2() |
| call void @hot2(), !prof !15 |
| call void @cold2(), !prof !16 |
| br label %exit |
| Hot: ; 999/1000 goes here |
| call void @none3() |
| call void @hot3(), !prof !15 |
| call void @cold3(), !prof !16 |
| br label %exit |
| exit: |
| ret void |
| } |
| |
| declare void @hot1() #1 |
| declare void @hot2() #1 |
| declare void @hot3() #1 |
| declare void @cold1() #1 |
| declare void @cold2() #1 |
| declare void @cold3() #1 |
| declare void @none1() #1 |
| declare void @none2() #1 |
| declare void @none3() #1 |
| |
| !41 = !{!"branch_weights", i32 1, i32 1000} |
| |
| !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", !"SampleProfile"} |
| !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} |
| !16 = !{!"branch_weights", i32 1} |