From 880e8c0ad41345f353b819c51092baa8f05e1950 Mon Sep 17 00:00:00 2001 From: Lang Hames Date: Mon, 4 Mar 2013 22:40:44 +0000 Subject: Check isDiscardableIfUnused, rather than hasLocalLinkage, when bumping GlobalValue linkage up to ExternalLinkage in the ExtractGV pass. This prevents linkonce and linkonce_odr symbols from being DCE'd. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176459 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/ExtractGV.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'lib/Transforms/IPO/ExtractGV.cpp') diff --git a/lib/Transforms/IPO/ExtractGV.cpp b/lib/Transforms/IPO/ExtractGV.cpp index 8a6bfc6..fa3d72d 100644 --- a/lib/Transforms/IPO/ExtractGV.cpp +++ b/lib/Transforms/IPO/ExtractGV.cpp @@ -60,7 +60,7 @@ namespace { continue; } - bool Local = I->hasLocalLinkage(); + bool Local = I->isDiscardableIfUnused(); if (Local) I->setVisibility(GlobalValue::HiddenVisibility); @@ -80,7 +80,7 @@ namespace { continue; } - bool Local = I->hasLocalLinkage(); + bool Local = I->isDiscardableIfUnused(); if (Local) I->setVisibility(GlobalValue::HiddenVisibility); @@ -97,7 +97,7 @@ namespace { Module::alias_iterator CurI = I; ++I; - if (CurI->hasLocalLinkage()) { + if (CurI->isDiscardableIfUnused()) { CurI->setVisibility(GlobalValue::HiddenVisibility); CurI->setLinkage(GlobalValue::ExternalLinkage); } -- cgit v1.1