1; RUN: llvm-as %s -o %t1.o
2; RUN: llvm-as %p/Inputs/common.ll -o %t2.o
3; RUN: llvm-as %p/Inputs/common2.ll -o %t2b.o
4; RUN: llvm-as %p/Inputs/common3.ll -o %t2c.o
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9@a = common global i16 0, align 8
10
11; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
12; RUN:    --plugin-opt=emit-llvm \
13; RUN:    -shared %t1.o %t2.o -o %t3.o
14; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=A
15
16; Shared library case, we merge @a as common and keep it for the symbol table.
17; A: @a = common global [4 x i8] zeroinitializer, align 8
18
19; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
20; RUN:    --plugin-opt=emit-llvm \
21; RUN:    -shared %t1.o %t2b.o -o %t3.o
22; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=B
23
24; (i16 align 8) + (i8 align 16) = i16 align 16
25; B: @a = common global i16 0, align 16
26
27; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
28; RUN:    --plugin-opt=emit-llvm \
29; RUN:    -shared %t1.o %t2c.o -o %t3.o
30; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=C
31
32; (i16 align 8) + (i8 align 1) = i16 align 8.
33; C: @a = common global i16 0, align 8
34
35; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
36; RUN:    --plugin-opt=emit-llvm \
37; RUN:    %t1.o %t2.o -o %t3.o
38; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=EXEC %s
39
40; All IR case, we internalize a after merging.
41; EXEC: @a = internal global [4 x i8] zeroinitializer, align 8
42
43; RUN: llc %p/Inputs/common.ll -o %t2native.o -filetype=obj
44; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
45; RUN:    --plugin-opt=emit-llvm \
46; RUN:    %t1.o %t2native.o -o %t3.o
47; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=MIXED %s
48
49; Mixed ELF and IR. We keep ours as common so the linker will finish the merge.
50; MIXED: @a = common dso_local global i16 0, align 8
51