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 10; Check assembled summary. 11; RUN: llvm-dis %t.o.bc -o - | FileCheck %s --check-prefix=DIS 12 13; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-profile-summary.ll -o %t2.o 14; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o 15; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED 16; RUN: llvm-dis %t3.thinlto.bc 17; RUN: cat %t3.thinlto.ll | FileCheck %s --check-prefix=COMBINED-DIS 18; Round trip it through llvm-as 19; RUN: cat %t3.thinlto.ll | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=COMBINED-DIS 20 21; Make sure the assembler doesn't error when parsing the combined summary 22; RUN: llvm-as %t3.thinlto.ll -o %t3.thinlto.o 23 24; Check assembled combined summary. 25; RUN: llvm-dis %t3.thinlto.o -o - | FileCheck %s --check-prefix=COMBINED-DIS 26 27 28; CHECK: <SOURCE_FILENAME 29; "hot_function" 30; CHECK-NEXT: <FUNCTION op0=0 op1=12 31; "hot1" 32; CHECK-NEXT: <FUNCTION op0=12 op1=4 33; "hot2" 34; CHECK-NEXT: <FUNCTION op0=16 op1=4 35; "hot3" 36; CHECK-NEXT: <FUNCTION op0=20 op1=4 37; "hot4" 38; CHECK-NEXT: <FUNCTION op0=24 op1=4 39; "cold" 40; CHECK-NEXT: <FUNCTION op0=28 op1=4 41; "none1" 42; CHECK-NEXT: <FUNCTION op0=32 op1=5 43; "none2" 44; CHECK-NEXT: <FUNCTION op0=37 op1=5 45; "none3" 46; CHECK-NEXT: <FUNCTION op0=42 op1=5 47; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK 48; CHECK-NEXT: <VERSION 49; CHECK-NEXT: <FLAGS 50; CHECK-NEXT: <VALUE_GUID op0=25 op1=123/> 51; op4=hot1 op6=cold op8=hot2 op10=hot4 op12=none1 op14=hot3 op16=none2 op18=none3 op20=123 52; CHECK-NEXT: <PERMODULE_PROFILE {{.*}} op7=1 op8=3 op9=5 op10=1 op11=2 op12=3 op13=4 op14=1 op15=6 op16=2 op17=3 op18=3 op19=7 op20=2 op21=8 op22=2 op23=25 op24=4/> 53; CHECK-NEXT: <BLOCK_COUNT op0=6/> 54; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK> 55 56; CHECK: <STRTAB_BLOCK 57; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3hot4coldnone1none2none3{{.*}}' 58 59; COMBINED: <GLOBALVAL_SUMMARY_BLOCK 60; COMBINED-NEXT: <VERSION 61; COMBINED-NEXT: <FLAGS 62; COMBINED-NEXT: <VALUE_GUID 63; COMBINED-NEXT: <VALUE_GUID 64; COMBINED-NEXT: <VALUE_GUID 65; COMBINED-NEXT: <VALUE_GUID 66; COMBINED-NEXT: <VALUE_GUID 67; COMBINED-NEXT: <VALUE_GUID 68; COMBINED-NEXT: <VALUE_GUID 69; COMBINED-NEXT: <VALUE_GUID 70; COMBINED-NEXT: <COMBINED abbrevid= 71; COMBINED-NEXT: <COMBINED abbrevid= 72; COMBINED-NEXT: <COMBINED abbrevid= 73; COMBINED-NEXT: <COMBINED abbrevid= 74; COMBINED-NEXT: <COMBINED abbrevid= 75; COMBINED-NEXT: <COMBINED abbrevid= 76; COMBINED-NEXT: <COMBINED_PROFILE {{.*}} op9=[[HOT1:.*]] op10=3 op11=[[COLD:.*]] op12=1 op13=[[HOT2:.*]] op14=3 op15=[[NONE1:.*]] op16=2 op17=[[HOT3:.*]] op18=3 op19=[[NONE2:.*]] op20=2 op21=[[NONE3:.*]] op22=2/> 77; COMBINED-NEXT: <COMBINED abbrevid= 78; COMBINED-NEXT: <BLOCK_COUNT op0=13/> 79; COMBINED-NEXT: </GLOBALVAL_SUMMARY_BLOCK> 80 81 82; ModuleID = 'thinlto-function-summary-callgraph.ll' 83target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 84target triple = "x86_64-unknown-linux-gnu" 85 86; This function have high profile count, so entry block is hot. 87define void @hot_function(i1 %a, i1 %a2) !prof !20 { 88entry: 89 call void @hot1() 90 br i1 %a, label %Cold, label %Hot, !prof !41 91Cold: ; 1/1000 goes here 92 call void @cold() 93 call void @hot2() 94 call void @hot4(), !prof !15 95 call void @none1() 96 br label %exit 97Hot: ; 999/1000 goes here 98 call void @hot2() 99 call void @hot3() 100 br i1 %a2, label %None1, label %None2, !prof !42 101None1: ; half goes here 102 call void @none1() 103 call void @none2() 104 br label %exit 105None2: ; half goes here 106 call void @none3() 107 br label %exit 108exit: 109 ret void 110} 111 112declare void @hot1() #1 113declare void @hot2() #1 114declare void @hot3() #1 115declare void @hot4() #1 116declare void @cold() #1 117declare void @none1() #1 118declare void @none2() #1 119declare void @none3() #1 120 121 122!41 = !{!"branch_weights", i32 1, i32 1000} 123!42 = !{!"branch_weights", i32 1, i32 1} 124 125 126 127!llvm.module.flags = !{!1} 128!20 = !{!"function_entry_count", i64 110, i64 123} 129 130!1 = !{i32 1, !"ProfileSummary", !2} 131!2 = !{!3, !4, !5, !6, !7, !8, !9, !10} 132!3 = !{!"ProfileFormat", !"InstrProf"} 133!4 = !{!"TotalCount", i64 10000} 134!5 = !{!"MaxCount", i64 10} 135!6 = !{!"MaxInternalCount", i64 1} 136!7 = !{!"MaxFunctionCount", i64 1000} 137!8 = !{!"NumCounts", i64 3} 138!9 = !{!"NumFunctions", i64 3} 139!10 = !{!"DetailedSummary", !11} 140!11 = !{!12, !13, !14} 141!12 = !{i32 10000, i64 100, i32 1} 142!13 = !{i32 999000, i64 100, i32 1} 143!14 = !{i32 999999, i64 1, i32 2} 144!15 = !{!"branch_weights", i32 100} 145 146; DIS: ^0 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp.o{{.*}}", hash: (0, 0, 0, 0, 0)) 147; DIS: ^1 = gv: (guid: 123) 148; DIS: ^2 = gv: (name: "none2") ; guid = 3741006263754194003 149; DIS: ^3 = gv: (name: "hot3") ; guid = 5026609803865204483 150; DIS: ^4 = gv: (name: "hot2") ; guid = 8117347573235780485 151; DIS: ^5 = gv: (name: "hot1") ; guid = 9453975128311291976 152; DIS: ^6 = gv: (name: "cold") ; guid = 11668175513417606517 153; DIS: ^7 = gv: (name: "hot4") ; guid = 13161834114071272798 154; DIS: ^8 = gv: (name: "none3") ; guid = 16213681105727317812 155; DIS: ^9 = gv: (name: "hot_function", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 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 156; DIS: ^10 = gv: (name: "none1") ; guid = 17712061229457633252 157 158; COMBINED-DIS: ^0 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp.o", hash: (0, 0, 0, 0, 0)) 159; COMBINED-DIS: ^1 = module: (path: "{{.*}}thinlto-function-summary-callgraph-profile-summary.ll.tmp2.o", hash: (0, 0, 0, 0, 0)) 160; COMBINED-DIS: ^2 = gv: (guid: 3741006263754194003, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 161; COMBINED-DIS: ^3 = gv: (guid: 5026609803865204483, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 162; COMBINED-DIS: ^4 = gv: (guid: 8117347573235780485, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 163; COMBINED-DIS: ^5 = gv: (guid: 9453975128311291976, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 164; COMBINED-DIS: ^6 = gv: (guid: 11668175513417606517, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 165; COMBINED-DIS: ^7 = gv: (guid: 16213681105727317812, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 166; COMBINED-DIS: ^8 = gv: (guid: 17381606045411660303, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 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))))) 167; COMBINED-DIS: ^9 = gv: (guid: 17712061229457633252, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0, canAutoHide: 0), insts: 1))) 168