| ; 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 {{.*}} op4=1 op5=3 op6=5 op7=1 op8=2 op9=3 op10=4 op11=3 op12=6 op13=2 op14=3 op15=3 op16=7 op17=2 op18=8 op19=2 op20=25 op21=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 {{.*}} 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 @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", !"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} |