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
6@a = common global i16 0, align 8
7
8; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
9; RUN:    --plugin-opt=emit-llvm \
10; RUN:    -shared %t1.o %t2.o -o %t3.o
11; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=A
12
13; Shared library case, we merge @a as common and keep it for the symbol table.
14; A: @a = common global i32 0, align 8
15
16; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
17; RUN:    --plugin-opt=emit-llvm \
18; RUN:    -shared %t1.o %t2b.o -o %t3.o
19; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=B
20
21; (i16 align 8) + (i8 align 16) = i16 align 16
22; B: @a = common global i16 0, align 16
23
24; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
25; RUN:    --plugin-opt=emit-llvm \
26; RUN:    -shared %t1.o %t2c.o -o %t3.o
27; RUN: llvm-dis %t3.o -o - | FileCheck %s --check-prefix=C
28
29; (i16 align 8) + (i8 align 1) = i16 align 8.
30; C: @a = common global i16 0, align 8
31
32; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
33; RUN:    --plugin-opt=emit-llvm \
34; RUN:    %t1.o %t2.o -o %t3.o
35; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=EXEC %s
36
37; All IR case, we internalize a after merging.
38; EXEC: @a = internal global i32 0, align 8
39
40; RUN: llc %p/Inputs/common.ll -o %t2native.o -filetype=obj
41; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
42; RUN:    --plugin-opt=emit-llvm \
43; RUN:    %t1.o %t2native.o -o %t3.o
44; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=MIXED %s
45
46; Mixed ELF and IR. We keep ours as common so the linker will finish the merge.
47; MIXED: @a = common global i16 0, align 8
48