53 lines
1.4 KiB
LLVM
53 lines
1.4 KiB
LLVM
; REQUIRES: x86
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;; Show that resolution of weak + global symbols works correctly when one is
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;; defined in native object and the other in a bitcode file.
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;; The global symbol in both cases should be kept. LTO should throw away the
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;; data for the discarded weak symbol defined in bitcode. The data for the
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;; weak symbol in a native object will be kept, but will be unlabelled.
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; RUN: rm -rf %t.dir
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; RUN: split-file %s %t.dir
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; RUN: llvm-as %t.dir/1.ll -o %t1.o
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; RUN: llvm-mc -triple=x86_64-pc-linux %t.dir/2.s -o %t2.o -filetype=obj
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; RUN: ld.lld %t1.o %t2.o -o %t.so -shared
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; RUN: llvm-readobj --symbols -S --section-data %t.so | FileCheck %s
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; CHECK: Name: .data
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; CHECK-NEXT: Type: SHT_PROGBITS
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; CHECK-NEXT: Flags [
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; CHECK-NEXT: SHF_ALLOC
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; CHECK-NEXT: SHF_WRITE
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; CHECK-NEXT: ]
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; CHECK-NEXT: Address: 0x[[#%x,ADDR:]]
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; CHECK-NEXT: Offset:
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; CHECK-NEXT: Size: 12
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; CHECK-NEXT: Link:
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; CHECK-NEXT: Info:
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; CHECK-NEXT: AddressAlignment:
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; CHECK-NEXT: EntrySize:
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; CHECK-NEXT: SectionData (
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; CHECK-NEXT: 0000: 09000000 05000000 04000000 |{{.*}}|
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; CHECK-NEXT: )
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; CHECK: Name: a{{ }}
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; CHECK-NEXT: Value: 0x[[#%x,ADDR]]
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; CHECK: Name: b{{ }}
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; CHECK-NEXT: Value: 0x[[#%x,ADDR+8]]
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;--- 1.ll
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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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@a = weak global i32 8
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@b = global i32 4
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;--- 2.s
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.data
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.global a
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a:
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.long 9
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.weak b
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b:
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.long 5
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