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123 lines
4.0 KiB
LLVM
123 lines
4.0 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-sample-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=5
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; "cold"
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; CHECK-NEXT: <FUNCTION op0=29 op1=5
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; "none1"
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; CHECK-NEXT: <FUNCTION op0=34 op1=5
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; "none2"
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; CHECK-NEXT: <FUNCTION op0=39 op1=5
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; "none3"
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; CHECK-NEXT: <FUNCTION op0=44 op1=5
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; CHECK-NEXT: <FUNCTION op0=49 op1=5
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; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK-NEXT: <VERSION
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; CHECK-NEXT: <FLAGS
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; CHECK-NEXT: <VALUE_GUID op0=26 op1=123/>
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; op4=none1 op6=hot1 op8=cold1 op10=none2 op12=hot2 op14=cold2 op16=none3 op18=hot3 op20=cold3 op22=123
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; CHECK-NEXT: <PERMODULE_PROFILE {{.*}} op7=7 op8=0 op9=1 op10=3 op11=4 op12=1 op13=8 op14=0 op15=2 op16=3 op17=5 op18=1 op19=9 op20=0 op21=3 op22=3 op23=6 op24=1 op25=26 op26=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_functionhot1hot2hot3cold1cold2cold3none1none2none3{{.*}}'
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; COMBINED: <GLOBALVAL_SUMMARY_BLOCK
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; COMBINED-NEXT: <VERSION
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; COMBINED-NEXT: <FLAGS
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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: <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 abbrevid=
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; COMBINED-NEXT: <COMBINED abbrevid=
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; COMBINED-NEXT: <COMBINED_PROFILE {{.*}} op9=[[NONE1:.*]] op10=0 op11=[[HOT1:.*]] op12=3 op13=[[COLD1:.*]] op14=1 op15=[[NONE2:.*]] op16=0 op17=[[HOT2:.*]] op18=3 op19=[[COLD2:.*]] op20=1 op21=[[NONE3:.*]] op22=0 op23=[[HOT3:.*]] op24=3 op25=[[COLD3:.*]] op26=1/>
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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 @none1()
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call void @hot1(), !prof !15
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call void @cold1(), !prof !16
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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 @none2()
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call void @hot2(), !prof !15
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call void @cold2(), !prof !16
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br label %exit
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Hot: ; 999/1000 goes here
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call void @none3()
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call void @hot3(), !prof !15
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call void @cold3(), !prof !16
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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 @cold1() #1
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declare void @cold2() #1
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declare void @cold3() #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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!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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!16 = !{!"branch_weights", i32 1}
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