forked from OSchip/llvm-project
122 lines
3.8 KiB
LLVM
122 lines
3.8 KiB
LLVM
; Test to check the callgraph in summary when there is PGO
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; RUN: opt -module-summary %s -o %t.o
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; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
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; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph-profile-summary.ll -o %t2.o
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; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
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; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
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; CHECK: <SOURCE_FILENAME
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; "hot_function"
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; CHECK-NEXT: <FUNCTION op0=0 op1=12
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; "hot1"
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; CHECK-NEXT: <FUNCTION op0=12 op1=4
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; "hot2"
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; CHECK-NEXT: <FUNCTION op0=16 op1=4
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; "hot3"
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; CHECK-NEXT: <FUNCTION op0=20 op1=4
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; "hot4"
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; CHECK-NEXT: <FUNCTION op0=24 op1=4
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; "cold"
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; CHECK-NEXT: <FUNCTION op0=28 op1=4
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; "none1"
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; CHECK-NEXT: <FUNCTION op0=32 op1=5
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; "none2"
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; CHECK-NEXT: <FUNCTION op0=37 op1=5
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; "none3"
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; CHECK-NEXT: <FUNCTION op0=42 op1=5
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; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK-NEXT: <VERSION
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; CHECK-NEXT: <VALUE_GUID op0=25 op1=123/>
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; op4=hot1 op6=cold op8=hot2 op10=hot4 op12=none1 op14=hot3 op16=none2 op18=none3 op20=123
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; 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/>
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; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; CHECK: <STRTAB_BLOCK
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; CHECK-NEXT: blob data = 'hot_functionhot1hot2hot3hot4coldnone1none2none3{{.*}}'
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; COMBINED: <GLOBALVAL_SUMMARY_BLOCK
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; COMBINED-NEXT: <VERSION
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; 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/>
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; COMBINED_NEXT: <COMBINED abbrevid=
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; COMBINED_NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; ModuleID = 'thinlto-function-summary-callgraph.ll'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; This function have high profile count, so entry block is hot.
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define void @hot_function(i1 %a, i1 %a2) !prof !20 {
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entry:
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call void @hot1()
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br i1 %a, label %Cold, label %Hot, !prof !41
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Cold: ; 1/1000 goes here
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call void @cold()
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call void @hot2()
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call void @hot4(), !prof !15
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call void @none1()
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br label %exit
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Hot: ; 999/1000 goes here
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call void @hot2()
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call void @hot3()
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br i1 %a2, label %None1, label %None2, !prof !42
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None1: ; half goes here
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call void @none1()
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call void @none2()
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br label %exit
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None2: ; half goes here
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call void @none3()
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br label %exit
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exit:
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ret void
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}
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declare void @hot1() #1
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declare void @hot2() #1
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declare void @hot3() #1
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declare void @hot4() #1
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declare void @cold() #1
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declare void @none1() #1
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declare void @none2() #1
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declare void @none3() #1
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!41 = !{!"branch_weights", i32 1, i32 1000}
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!42 = !{!"branch_weights", i32 1, i32 1}
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!llvm.module.flags = !{!1}
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!20 = !{!"function_entry_count", i64 110, i64 123}
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!1 = !{i32 1, !"ProfileSummary", !2}
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!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
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!3 = !{!"ProfileFormat", !"SampleProfile"}
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!4 = !{!"TotalCount", i64 10000}
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!5 = !{!"MaxCount", i64 10}
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!6 = !{!"MaxInternalCount", i64 1}
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!7 = !{!"MaxFunctionCount", i64 1000}
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!8 = !{!"NumCounts", i64 3}
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!9 = !{!"NumFunctions", i64 3}
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!10 = !{!"DetailedSummary", !11}
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!11 = !{!12, !13, !14}
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!12 = !{i32 10000, i64 100, i32 1}
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!13 = !{i32 999000, i64 100, i32 1}
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!14 = !{i32 999999, i64 1, i32 2}
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!15 = !{!"branch_weights", i32 100}
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