llvm-6502/test/tools/gold/common.ll
Rafael Espindola 2bfef929c0 Internalize common symbols when we can.
This fixes pr20974.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217981 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-17 20:41:13 +00:00

30 lines
1011 B
LLVM

; RUN: llvm-as %s -o %t1.o
; RUN: llvm-as %p/Inputs/common.ll -o %t2.o
; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
; RUN: --plugin-opt=emit-llvm \
; RUN: -shared %t1.o %t2.o -o %t3.o
; RUN: llvm-dis %t3.o -o - | FileCheck %s
@a = common global i8 0, align 8
; Shared library case, we merge @a as common and keep it for the symbol table.
; CHECK: @a = common global i16 0, align 8
; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
; RUN: --plugin-opt=emit-llvm \
; RUN: %t1.o %t2.o -o %t3.o
; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=EXEC %s
; All IR case, we internalize a after merging.
; EXEC: @a = internal global i16 0, align 8
; RUN: llc %p/Inputs/common.ll -o %t2.o -filetype=obj
; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
; RUN: --plugin-opt=emit-llvm \
; RUN: %t1.o %t2.o -o %t3.o
; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=MIXED %s
; Mixed ELF and IR. We keep ours as common so the linker will finish the merge.
; MIXED: @a = common global i8 0, align 8