forked from OSchip/llvm-project
57 lines
1.8 KiB
LLVM
57 lines
1.8 KiB
LLVM
; REQUIRES: x86
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;; Show that common symbols defined in both native objects and bitcode files are
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;; properly resolved.
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; RUN: rm -rf %t.dir
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; RUN: split-file %s %t.dir
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; RUN: cd %t.dir
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;; Case 1: bitcode file has smaller symbol but larger alignment.
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; RUN: llvm-as smaller-sym.ll -o smaller-sym.bc
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; RUN: llc -filetype=obj larger-sym.ll -o larger-sym.o
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; RUN: ld.lld smaller-sym.bc larger-sym.o -o 1.so -shared
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; RUN: llvm-readobj -S --symbols 1.so | FileCheck %s -DALIGN=8
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;; Case 2: bitcode file has larger symbol but smaller alignment.
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; RUN: llvm-as larger-sym.ll -o larger-sym.bc
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; RUN: llc -filetype=obj smaller-sym.ll -o smaller-sym.o
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; RUN: ld.lld smaller-sym.o larger-sym.bc -o 2.so -shared
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;; FIXME: This alignment should be 8, but LLD is ignoring the alignment of a
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;; symbol in a native object file when the larger symbol is in a bitcode file.
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;; See https://bugs.llvm.org/show_bug.cgi?id=47819.
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; RUN: llvm-readobj -S --symbols 2.so | FileCheck %s -DALIGN=4
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; CHECK: Name: .bss
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; CHECK-NEXT: Type: SHT_NOBITS
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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:
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; CHECK-NEXT: Offset:
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; CHECK-NEXT: Size: 2
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; CHECK-NEXT: Link: 0
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; CHECK-NEXT: Info: 0
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; CHECK-NEXT: AddressAlignment: [[ALIGN]]
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; CHECK: Name: a
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; CHECK-NEXT: Value:
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; CHECK-NEXT: Size: 2
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; CHECK-NEXT: Binding: Global
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; CHECK-NEXT: Type: Object
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; CHECK-NEXT: Other: 0
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; CHECK-NEXT: Section: .bss
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;--- smaller-sym.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 = common global i8 0, align 8
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;--- larger-sym.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 = common global i16 0, align 4
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