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bd574a6d8f
This restores commit r278330, with fixes for a few bot failures: - Fix a late change I had made to the save temps output file that I missed due to existing files sitting on my disk - Fix a bunch of Windows bot failures with "ambiguous call to overloaded function" due to confusion between llvm::make_unique vs std::make_unique (preface the new make_unique calls with "llvm::") - Attempt to fix a modules bot failure by adding a missing include to LTO/Config.h. Original change: Resolution-based LTO API. Summary: This introduces a resolution-based LTO API. The main advantage of this API over existing APIs is that it allows the linker to supply a resolution for each symbol in each object, rather than the combined object as a whole. This will become increasingly important for use cases such as ThinLTO which require us to process symbol resolutions in a more complicated way than just adjusting linkage. Patch by Peter Collingbourne. Reviewers: rafael, tejohnson, mehdi_amini Subscribers: lhames, tejohnson, mehdi_amini, llvm-commits Differential Revision: https://reviews.llvm.org/D20268 llvm-svn: 278338
62 lines
1.5 KiB
LLVM
62 lines
1.5 KiB
LLVM
; RUN: llvm-as %s -o %t1.o
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; RUN: llvm-as %p/Inputs/comdat.ll -o %t2.o
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; RUN: %gold -shared -o %t3.o -plugin %llvmshlibdir/LLVMgold.so %t1.o %t2.o \
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; RUN: -plugin-opt=save-temps
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; RUN: FileCheck --check-prefix=RES %s < %t3.o.resolution.txt
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; RUN: llvm-readobj -t %t3.o | FileCheck --check-prefix=OBJ %s
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$c1 = comdat any
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@v1 = weak_odr global i32 42, comdat($c1)
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define weak_odr i32 @f1(i8*) comdat($c1) {
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bb10:
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br label %bb11
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bb11:
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ret i32 42
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}
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@r11 = global i32* @v1
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@r12 = global i32 (i8*)* @f1
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@a11 = alias i32, i32* @v1
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@a12 = alias i16, bitcast (i32* @v1 to i16*)
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@a13 = alias i32 (i8*), i32 (i8*)* @f1
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@a14 = alias i16, bitcast (i32 (i8*)* @f1 to i16*)
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@a15 = alias i16, i16* @a14
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; gold's resolutions should tell us that our $c1 wins, and the other input's $c2
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; wins. f1 is also local due to having protected visibility in the other object.
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; RES: 1.o,f1,plx{{$}}
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; RES: 1.o,v1,px{{$}}
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; RES: 1.o,r11,px{{$}}
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; RES: 1.o,r12,px{{$}}
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; RES: 1.o,a11,px{{$}}
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; RES: 1.o,a12,px{{$}}
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; RES: 1.o,a13,px{{$}}
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; RES: 1.o,a14,px{{$}}
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; RES: 1.o,a15,px{{$}}
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; RES: 2.o,f1,l{{$}}
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; RES: 2.o,will_be_undefined,{{$}}
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; RES: 2.o,v1,{{$}}
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; RES: 2.o,r21,px{{$}}
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; RES: 2.o,r22,px{{$}}
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; RES: 2.o,a21,px{{$}}
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; RES: 2.o,a22,px{{$}}
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; RES: 2.o,a23,px{{$}}
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; RES: 2.o,a24,px{{$}}
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; RES: 2.o,a25,px{{$}}
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; f1's protected visibility should be reflected in the DSO.
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; OBJ: Name: f1 (
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; OBJ-NEXT: Value:
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; OBJ-NEXT: Size:
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; OBJ-NEXT: Binding:
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; OBJ-NEXT: Type:
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; OBJ-NEXT: Other [
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; OBJ-NEXT: STV_PROTECTED
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; OBJ-NEXT: ]
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