From 1e3037f0be430ef2339838bbdede11f45658bd82 Mon Sep 17 00:00:00 2001 From: Peter Collingbourne Date: Mon, 16 Sep 2013 01:08:15 +0000 Subject: Implement function prefix data as an IR feature. Previous discussion: http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/063909.html Differential Revision: http://llvm-reviews.chandlerc.com/D1191 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190773 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/GlobalDCE.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'lib/Transforms/IPO') diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 201f320c43..901295d65a 100644 --- a/lib/Transforms/IPO/GlobalDCE.cpp +++ b/lib/Transforms/IPO/GlobalDCE.cpp @@ -179,6 +179,9 @@ void GlobalDCE::GlobalIsNeeded(GlobalValue *G) { // any globals used will be marked as needed. Function *F = cast(G); + if (F->hasPrefixData()) + MarkUsedGlobalsAsNeeded(F->getPrefixData()); + for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I) for (User::op_iterator U = I->op_begin(), E = I->op_end(); U != E; ++U) -- cgit v1.2.3