From 0f33f0738ff1e9097e7821b2734e645deb269cf5 Mon Sep 17 00:00:00 2001
From: Justin Lebar <jlebar@google.com>
Date: Sat, 3 Dec 2016 19:49:19 +0000
Subject: [PATCH] [PM] Make AnalysisManager::registerPass take its parameter by
 universal reference.

Summary:
Previously, we were forcing a copy if you passed an lvalue argument; now
we'll take it by reference.

Reviewers: chandlerc

Subscribers: mehdi_amini, silvas, llvm-commits

Differential Revision: https://reviews.llvm.org/D27370

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288594 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/IR/PassManager.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/llvm/IR/PassManager.h b/include/llvm/IR/PassManager.h
index a746ebb469d..92984861c7b 100644
--- a/include/llvm/IR/PassManager.h
+++ b/include/llvm/IR/PassManager.h
@@ -548,7 +548,8 @@ public:
   /// interface also lends itself to minimizing the number of times we have to
   /// do lookups for analyses or construct complex passes only to throw them
   /// away.
-  template <typename PassBuilderT> bool registerPass(PassBuilderT PassBuilder) {
+  template <typename PassBuilderT>
+  bool registerPass(PassBuilderT &&PassBuilder) {
     typedef decltype(PassBuilder()) PassT;
     typedef detail::AnalysisPassModel<IRUnitT, PassT, PreservedAnalyses,
                                       Invalidator, ExtraArgTs...>
-- 
2.50.1