Fix pessimizing moves in devel/llvm36, for the benefit of other ports

PR:		202596
Submitted by:	dim

3 files changed, 32 insertions, 1 deletions

diff --git a/devel/llvm36/Makefile b/devel/llvm36/Makefile
index 3401ed520891..ccf3cffdded4 100644
--- a/devel/llvm36/Makefile
+++ b/devel/llvm36/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	llvm
 DISTVERSION=	3.6.2
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel lang
 MASTER_SITES=	http://llvm.org/releases/3.6.2/
 DISTNAME=	${PORTNAME}-${DISTVERSION}.src
diff --git a/devel/llvm36/files/patch-include__llvm__ADT__APFloat.h b/devel/llvm36/files/patch-include__llvm__ADT__APFloat.h
new file mode 100644
index 000000000000..0c036ba77e20
--- /dev/null
+++ b/devel/llvm36/files/patch-include__llvm__ADT__APFloat.h
@@ -0,0 +1,11 @@
+--- include/llvm/ADT/APFloat.h.orig	2014-10-10 10:27:22.000000000 +0200
++++ include/llvm/ADT/APFloat.h	2015-08-23 18:33:44.005954000 +0200
+@@ -349,7 +349,7 @@ public:
+   /// copied from some other APFloat.
+   static APFloat copySign(APFloat Value, const APFloat &Sign) {
+     Value.copySign(Sign);
+-    return std::move(Value);
++    return Value;
+   }
+ 
+   /// @}
diff --git a/devel/llvm36/files/patch-include__llvm__IR__PassManager.h b/devel/llvm36/files/patch-include__llvm__IR__PassManager.h
new file mode 100644
index 000000000000..ae890f16f866
--- /dev/null
+++ b/devel/llvm36/files/patch-include__llvm__IR__PassManager.h
@@ -0,0 +1,20 @@
+--- include/llvm/IR/PassManager.h.orig	2015-01-13 23:42:38.000000000 +0100
++++ include/llvm/IR/PassManager.h	2015-08-23 18:33:44.006587000 +0200
+@@ -502,7 +502,7 @@ private:
+   PreservedAnalyses invalidateImpl(IRUnitT &IR, PreservedAnalyses PA) {
+     // Short circuit for a common case of all analyses being preserved.
+     if (PA.areAllPreserved())
+-      return std::move(PA);
++      return PA;
+ 
+     if (DebugLogging)
+       dbgs() << "Invalidating all non-preserved analyses for: "
+@@ -542,7 +542,7 @@ private:
+     if (ResultsList.empty())
+       AnalysisResultLists.erase(&IR);
+ 
+-    return std::move(PA);
++    return PA;
+   }
+ 
+   /// \brief List of function analysis pass IDs and associated concept pointers.