mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 11:02:59 +02:00
40e575fa49
Summary: For symbols that has linkonce_odr linkage and unnamed_addr, it can be auto hide by linker to avoid weak external symbols. Teach ThinLTO to perform auto hide so it can safely promote linkonce_odr to weak symbols without breaking this nice property. Reviewers: tejohnson, mehdi_amini Reviewed By: tejohnson Subscribers: inglorion, eraman, rnk, pcc, llvm-commits Differential Revision: https://reviews.llvm.org/D43130 llvm-svn: 324757
11 lines
518 B
LLVM
11 lines
518 B
LLVM
; This test ensures that when linkonce_odr + unnamed_addr symbols promoted to
|
|
; weak symbols, it preserves the auto hide property.
|
|
|
|
; RUN: opt -module-summary %s -o %t.bc
|
|
; RUN: opt -module-summary %s -o %t2.bc
|
|
; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc
|
|
; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s
|
|
|
|
; CHECK: @linkonceodrunnamed = weak_odr hidden unnamed_addr constant i32 0
|
|
@linkonceodrunnamed = linkonce_odr unnamed_addr constant i32 0
|