| ; 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: llvm-dis %t.o |
| ; RUN: cat %t.o.ll | FileCheck %s --check-prefix=DIS |
| |
| ; Make sure the assembler doesn't error when parsing the summary |
| ; RUN: llvm-as %t.o.ll |
| |
| ; Check assembled summary. |
| ; RUN: llvm-dis %t.o.bc -o - | FileCheck %s --check-prefix=DIS |
| |
| ; 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 |
| ; RUN: llvm-dis %t3.thinlto.bc |
| ; RUN: cat %t3.thinlto.ll | FileCheck %s --check-prefix=COMBINED-DIS |
| ; Round trip it through llvm-as |
| ; RUN: cat %t3.thinlto.ll | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=COMBINED-DIS |
| |
| ; Make sure the assembler doesn't error when parsing the combined summary |
| ; RUN: llvm-as %t3.thinlto.ll -o %t3.thinlto.o |
| |
| ; Check assembled combined summary. |
| ; RUN: llvm-dis %t3.thinlto.o -o - | FileCheck %s --check-prefix=COMBINED-DIS |
| |
| |
| ; 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: <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: <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} |
| |
| ; DIS: ^0 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp.o{{.*}}", hash: (0, 0, 0, 0, 0)) |
| ; DIS: ^1 = gv: (guid: 123) |
| ; DIS: ^2 = gv: (name: "none2") ; guid = 3741006263754194003 |
| ; DIS: ^3 = gv: (name: "hot3") ; guid = 5026609803865204483 |
| ; DIS: ^4 = gv: (name: "hot2") ; guid = 8117347573235780485 |
| ; DIS: ^5 = gv: (name: "hot1") ; guid = 9453975128311291976 |
| ; DIS: ^6 = gv: (name: "cold") ; guid = 11668175513417606517 |
| ; DIS: ^7 = gv: (name: "hot4") ; guid = 13161834114071272798 |
| ; DIS: ^8 = gv: (name: "none3") ; guid = 16213681105727317812 |
| ; DIS: ^9 = gv: (name: "hot_function", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 16, calls: ((callee: ^5, hotness: hot), (callee: ^6, hotness: cold), (callee: ^4, hotness: hot), (callee: ^7, hotness: cold), (callee: ^10, hotness: none), (callee: ^3, hotness: hot), (callee: ^2, hotness: none), (callee: ^8, hotness: none), (callee: ^1, hotness: critical))))) ; guid = 17381606045411660303 |
| ; DIS: ^10 = gv: (name: "none1") ; guid = 17712061229457633252 |
| |
| ; COMBINED-DIS: ^0 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp.o", hash: (0, 0, 0, 0, 0)) |
| ; COMBINED-DIS: ^1 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp2.o", hash: (0, 0, 0, 0, 0)) |
| ; COMBINED-DIS: ^2 = gv: (guid: 3741006263754194003, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^3 = gv: (guid: 5026609803865204483, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^4 = gv: (guid: 8117347573235780485, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^5 = gv: (guid: 9453975128311291976, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^6 = gv: (guid: 11668175513417606517, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^7 = gv: (guid: 16213681105727317812, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
| ; COMBINED-DIS: ^8 = gv: (guid: 17381606045411660303, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 16, calls: ((callee: ^5, hotness: hot), (callee: ^6, hotness: cold), (callee: ^4, hotness: hot), (callee: ^9, hotness: none), (callee: ^3, hotness: hot), (callee: ^2, hotness: none), (callee: ^7, hotness: none))))) |
| ; COMBINED-DIS: ^9 = gv: (guid: 17712061229457633252, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) |
