57 lines
2.0 KiB
LLVM
57 lines
2.0 KiB
LLVM
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; Check that we import and inline virtual method with single implementation
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; when we're running hybrid LTO.
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;
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit %s -o %t-main.bc
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit %p/Inputs/devirt_single_hybrid_foo.ll -o %t-foo.bc
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; RUN: opt -thinlto-bc -thinlto-split-lto-unit %p/Inputs/devirt_single_hybrid_bar.ll -o %t-bar.bc
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; RUN: llvm-lto2 run -save-temps %t-main.bc %t-foo.bc %t-bar.bc -pass-remarks=. -o %t \
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; RUN: -whole-program-visibility \
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; RUN: -r=%t-foo.bc,_Z3fooP1A,pl \
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; RUN: -r=%t-main.bc,main,plx \
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; RUN: -r=%t-main.bc,_Z3barv,l \
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; RUN: -r=%t-bar.bc,_Z3barv,pl \
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; RUN: -r=%t-bar.bc,_Z3fooP1A, \
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; RUN: -r=%t-bar.bc,_ZNK1A1fEv,pl \
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; RUN: -r=%t-bar.bc,_ZTV1A,l \
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; RUN: -r=%t-bar.bc,_ZTVN10__cxxabiv117__class_type_infoE, \
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; RUN: -r=%t-bar.bc,_ZTS1A,pl \
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; RUN: -r=%t-bar.bc,_ZTI1A,pl \
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; RUN: -r=%t-bar.bc,_ZNK1A1fEv, \
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; RUN: -r=%t-bar.bc,_ZTV1A,pl \
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; RUN: -r=%t-bar.bc,_ZTI1A, 2>&1 | FileCheck %s --check-prefix=REMARK
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; RUN: llvm-dis %t.1.3.import.bc -o - | FileCheck %s --check-prefix=IMPORT
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; RUN: llvm-dis %t.1.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN
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; REMARK-COUNT-3: single-impl: devirtualized a call to _ZNK1A1fEv
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; IMPORT: define available_externally hidden i32 @_ZNK1A1fEv(%struct.A* %this)
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; IMPORT-NEXT: entry:
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; IMPORT-NEXT: ret i32 3
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; CODEGEN: define hidden i32 @main()
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; CODEGEN-NEXT: entry:
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; CODEGEN-NEXT: ret i32 23
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; Virtual method should have been optimized out
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; CODEGEN-NOT: _ZNK1A1fEv
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; ModuleID = 'main.cpp'
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source_filename = "main.cpp"
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-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: norecurse uwtable
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define hidden i32 @main() local_unnamed_addr {
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entry:
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%call = tail call i32 @_Z3barv()
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ret i32 %call
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}
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declare dso_local i32 @_Z3barv() local_unnamed_addr
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!llvm.module.flags = !{!0}
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!llvm.ident = !{!1}
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!0 = !{i32 1, !"wchar_size", i32 4}
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!1 = !{!"clang version 10.0.0 (trunk 373596)"}
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