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f1f1adc004
Summary: This patch computes the synthetic function entry count on the whole program callgraph (based on module summary) and writes the entry counts to the summary. After function importing, this count gets attached to the IR as metadata. Since it adds a new field to the summary, this bumps up the version. Reviewers: tejohnson Subscribers: mehdi_amini, inglorion, llvm-commits Differential Revision: https://reviews.llvm.org/D43521 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349076 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
3.1 KiB
LLVM
63 lines
3.1 KiB
LLVM
; Test to check the callgraph in summary
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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-alias.ll -o %t2.o
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; RUN: llvm-dis -o - %t2.o | FileCheck %s --check-prefix=DIS
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; Round trip it through llvm-as
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; RUN: llvm-dis -o - %t2.o | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=DIS
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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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; RUN: llvm-dis -o - %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED-DIS
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; Round trip it through llvm-as
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; RUN: llvm-dis -o - %t3.thinlto.bc | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=COMBINED-DIS
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; CHECK: <SOURCE_FILENAME
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; "main"
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; CHECK-NEXT: <FUNCTION op0=0 op1=4
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; "analias"
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; CHECK-NEXT: <FUNCTION op0=4 op1=7
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; CHECK: <GLOBALVAL_SUMMARY_BLOCK
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; CHECK-NEXT: <VERSION
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; See if the call to func is registered.
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; The value id 1 matches the second FUNCTION record above.
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; CHECK-NEXT: <PERMODULE {{.*}} op6=1/>
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; CHECK-NEXT: </GLOBALVAL_SUMMARY_BLOCK>
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; CHECK: <STRTAB_BLOCK
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; CHECK-NEXT: blob data = 'mainanalias{{.*}}'
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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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; See if the call to analias is registered, using the expected value id.
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; COMBINED-NEXT: <VALUE_GUID op0=[[ALIASID:[0-9]+]] op1=-5751648690987223394/>
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; COMBINED-NEXT: <VALUE_GUID
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; COMBINED-NEXT: <VALUE_GUID op0=[[ALIASEEID:[0-9]+]] op1=-1039159065113703048/>
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; COMBINED-NEXT: <COMBINED {{.*}} op8=[[ALIASID]]/>
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; COMBINED-NEXT: <COMBINED {{.*}}
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; COMBINED-NEXT: <COMBINED_ALIAS {{.*}} op3=[[ALIASEEID]]
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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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; Function Attrs: nounwind uwtable
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define i32 @main() {
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entry:
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call void (...) @analias()
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ret i32 0
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}
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declare void @analias(...)
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; DIS: ^0 = module: (path: "{{.*}}", hash: (0, 0, 0, 0, 0))
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; DIS: ^1 = gv: (name: "analias", summaries: (alias: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), aliasee: ^2))) ; guid = 12695095382722328222
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; DIS: ^2 = gv: (name: "aliasee", summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1))) ; guid = 17407585008595848568
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; COMBINED-DIS: ^0 = module: (path: "{{.*}}thinlto-alias.ll.tmp.o", hash: (0, 0, 0, 0, 0))
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; COMBINED-DIS: ^1 = module: (path: "{{.*}}thinlto-alias.ll.tmp2.o", hash: (0, 0, 0, 0, 0))
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; COMBINED-DIS: ^2 = gv: (guid: 12695095382722328222, summaries: (alias: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), aliasee: ^4)))
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; COMBINED-DIS: ^3 = gv: (guid: 15822663052811949562, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 2, calls: ((callee: ^2)))))
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; COMBINED-DIS: ^4 = gv: (guid: 17407585008595848568, summaries: (function: (module: ^1, flags: (linkage: external, notEligibleToImport: 0, live: 0, dsoLocal: 0), insts: 1)))
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