1; Test to check the callgraph in summary when there is PGO 2; RUN: opt -module-summary %s -o %t.o 3; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s 4; RUN: llvm-dis %t.o 5; RUN: cat %t.o.ll | FileCheck %s --check-prefix=DIS 6 7; Make sure the assembler doesn't error when parsing the summary 8; RUN: llvm-as %t.o.ll 9; RUN: ls %t.o.bc 10 11; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-profile-summary.ll -o %t2.o 12; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o 13; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED 14; RUN: llvm-dis %t3.thinlto.bc 15; RUN: cat %t3.thinlto.ll | FileCheck %s --check-prefix=COMBINED-DIS 16 17; Make sure the assembler doesn't error when parsing the combined summary 18; RUN: llvm-as %t3.thinlto.ll -o %t3.thinlto.o 19; RUN: ls %t3.thinlto.o 20 21 22; CHECK: <SOURCE_FILENAME 23; "hot_function" 24; CHECK-NEXT: <FUNCTION op0=0 op1=12 25; "hot1" 26; CHECK-NEXT: <FUNCTION op0=12 op1=4 27; "hot2" 28; CHECK-NEXT: <FUNCTION op0=16 op1=4 29; "hot3" 30; CHECK-NEXT: <FUNCTION op0=20 op1=4 31; "hot4" 32; CHECK-NEXT: <FUNCTION op0=24 op1=4 33; "cold" 34; CHECK-NEXT: <FUNCTION op0=28 op1=4 35; "none1" 36; CHECK-NEXT: <FUNCTION op0=32 op1=5 37; "none2" 38; CHECK-NEXT: <FUNCTION op0=37 op1=5 39; "none3" 40; CHECK-NEXT: <FUNCTION op0=42 op1=5 41; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK 42; CHECK-NEXT: <VERSION 43; CHECK-NEXT: <VALUE_GUID op0=25 op1=123/> 44; op4=hot1 op6=cold op8=hot2 op10=hot4 op12=none1 op14=hot3 op16=none2 op18=none3 op20=123 45; 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/> 46; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK> 47 48; CHECK: <STRTAB_BLOCK 49; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3hot4coldnone1none2none3{{.*}}' 50 51; COMBINED: <GLOBALVAL_SUMMARY_BLOCK 52; COMBINED-NEXT: <VERSION 53; COMBINED-NEXT: <FLAGS 54; COMBINED-NEXT: <VALUE_GUID 55; COMBINED-NEXT: <VALUE_GUID 56; COMBINED-NEXT: <VALUE_GUID 57; COMBINED-NEXT: <VALUE_GUID 58; COMBINED-NEXT: <VALUE_GUID 59; COMBINED-NEXT: <VALUE_GUID 60; COMBINED-NEXT: <VALUE_GUID 61; COMBINED-NEXT: <VALUE_GUID 62; COMBINED-NEXT: <COMBINED abbrevid= 63; COMBINED-NEXT: <COMBINED abbrevid= 64; COMBINED-NEXT: <COMBINED abbrevid= 65; COMBINED-NEXT: <COMBINED abbrevid= 66; COMBINED-NEXT: <COMBINED abbrevid= 67; COMBINED-NEXT: <COMBINED abbrevid= 68; 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/> 69; COMBINED_NEXT: <COMBINED abbrevid= 70; COMBINED_NEXT: </GLOBALVAL_SUMMARY_BLOCK> 71 72 73; ModuleID = 'thinlto-function-summary-callgraph.ll' 74target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 75target triple = "x86_64-unknown-linux-gnu" 76 77; This function have high profile count, so entry block is hot. 78define void @hot_function(i1 %a, i1 %a2) !prof !20 { 79entry: 80 call void @hot1() 81 br i1 %a, label %Cold, label %Hot, !prof !41 82Cold: ; 1/1000 goes here 83 call void @cold() 84 call void @hot2() 85 call void @hot4(), !prof !15 86 call void @none1() 87 br label %exit 88Hot: ; 999/1000 goes here 89 call void @hot2() 90 call void @hot3() 91 br i1 %a2, label %None1, label %None2, !prof !42 92None1: ; half goes here 93 call void @none1() 94 call void @none2() 95 br label %exit 96None2: ; half goes here 97 call void @none3() 98 br label %exit 99exit: 100 ret void 101} 102 103declare void @hot1() #1 104declare void @hot2() #1 105declare void @hot3() #1 106declare void @hot4() #1 107declare void @cold() #1 108declare void @none1() #1 109declare void @none2() #1 110declare void @none3() #1 111 112 113!41 = !{!"branch_weights", i32 1, i32 1000} 114!42 = !{!"branch_weights", i32 1, i32 1} 115 116 117 118!llvm.module.flags = !{!1} 119!20 = !{!"function_entry_count", i64 110, i64 123} 120 121!1 = !{i32 1, !"ProfileSummary", !2} 122!2 = !{!3, !4, !5, !6, !7, !8, !9, !10} 123!3 = !{!"ProfileFormat", !"InstrProf"} 124!4 = !{!"TotalCount", i64 10000} 125!5 = !{!"MaxCount", i64 10} 126!6 = !{!"MaxInternalCount", i64 1} 127!7 = !{!"MaxFunctionCount", i64 1000} 128!8 = !{!"NumCounts", i64 3} 129!9 = !{!"NumFunctions", i64 3} 130!10 = !{!"DetailedSummary", !11} 131!11 = !{!12, !13, !14} 132!12 = !{i32 10000, i64 100, i32 1} 133!13 = !{i32 999000, i64 100, i32 1} 134!14 = !{i32 999999, i64 1, i32 2} 135!15 = !{!"branch_weights", i32 100} 136 137; DIS: ^0 = module: (path: "{{.*}}/test/Bitcode/Output/thinlto-function-summary-callgraph-profile-summary.ll.tmp.o", hash: (0, 0, 0, 0, 0)) 138; DIS: ^1 = gv: (guid: 123) 139; DIS: ^2 = gv: (name: "none2") ; guid = 3741006263754194003 140; DIS: ^3 = gv: (name: "hot3") ; guid = 5026609803865204483 141; DIS: ^4 = gv: (name: "hot2") ; guid = 8117347573235780485 142; DIS: ^5 = gv: (name: "hot1") ; guid = 9453975128311291976 143; DIS: ^6 = gv: (name: "cold") ; guid = 11668175513417606517 144; DIS: ^7 = gv: (name: "hot4") ; guid = 13161834114071272798 145; DIS: ^8 = gv: (name: "none3") ; guid = 16213681105727317812 146; 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 147; DIS: ^10 = gv: (name: "none1") ; guid = 17712061229457633252 148 149; COMBINED-DIS: ^0 = module: (path: "{{.*}}/test/Bitcode/Output/thinlto-function-summary-callgraph-profile-summary.ll.tmp.o", hash: (0, 0, 0, 0, 0)) 150; COMBINED-DIS: ^1 = module: (path: "{{.*}}/test/Bitcode/Output/thinlto-function-summary-callgraph-profile-summary.ll.tmp2.o", hash: (0, 0, 0, 0, 0)) 151; COMBINED-DIS: ^2 = gv: (guid: 3741006263754194003, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 152; COMBINED-DIS: ^3 = gv: (guid: 5026609803865204483, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 153; COMBINED-DIS: ^4 = gv: (guid: 8117347573235780485, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 154; COMBINED-DIS: ^5 = gv: (guid: 9453975128311291976, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 155; COMBINED-DIS: ^6 = gv: (guid: 11668175513417606517, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 156; COMBINED-DIS: ^7 = gv: (guid: 16213681105727317812, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 157; 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))))) 158; COMBINED-DIS: ^9 = gv: (guid: 17712061229457633252, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) 159