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2d320e58a9
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278338 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
667 B
LLVM
23 lines
667 B
LLVM
; RUN: llvm-as %s -o %t1.o
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; RUN: llvm-as %p/Inputs/alias-1.ll -o %t2.o
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; RUN: llvm-lto2 -o %t3.o %t2.o %t1.o -r %t2.o,a,px -r %t1.o,a, -r %t1.o,b,px -save-temps
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; RUN: llvm-dis < %t3.o.0.preopt.bc -o - | FileCheck %s
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; RUN: FileCheck --check-prefix=RES %s < %t3.o.resolution.txt
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; CHECK-NOT: alias
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; CHECK: @a = global i32 42
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; CHECK-NEXT: @b = global i32 1
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; CHECK-NOT: alias
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; RES: 2.o{{$}}
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; RES: {{^}}-r={{.*}}2.o,a,px{{$}}
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; RES: 1.o{{$}}
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; RES: {{^}}-r={{.*}}1.o,b,px{{$}}
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; RES: {{^}}-r={{.*}}1.o,a,{{$}}
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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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@a = weak alias i32, i32* @b
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@b = global i32 1
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