From 509e9d94712f7586e9dfc7a2f4c1affd7620a744 Mon Sep 17 00:00:00 2001
From: Richard Trieu <rtrieu@google.com>
Date: Thu, 30 Apr 2015 23:07:00 +0000
Subject: [PATCH] Fix -Wpessimizing-move warnings by removing std::move calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236278 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/LoopInfo.cpp | 2 +-
 lib/Support/APFloat.cpp   | 4 ++--
 tools/lli/OrcLazyJIT.cpp  | 8 ++++----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/Analysis/LoopInfo.cpp b/lib/Analysis/LoopInfo.cpp
index 6462b0670ff..b3a33326c00 100644
--- a/lib/Analysis/LoopInfo.cpp
+++ b/lib/Analysis/LoopInfo.cpp
@@ -680,7 +680,7 @@ LoopInfo LoopAnalysis::run(Function &F, AnalysisManager<Function> *AM) {
   // the problem is better understood.
   LoopInfo LI;
   LI.Analyze(AM->getResult<DominatorTreeAnalysis>(F));
-  return std::move(LI);
+  return LI;
 }
 
 PreservedAnalyses LoopPrinterPass::run(Function &F,
diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index 5a402bb2804..4b0a0e5d481 100644
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -3920,7 +3920,7 @@ APFloat::makeZero(bool Negative) {
 
 APFloat llvm::scalbn(APFloat X, int Exp) {
   if (X.isInfinity() || X.isZero() || X.isNaN())
-    return std::move(X);
+    return X;
 
   auto MaxExp = X.getSemantics().maxExponent;
   auto MinExp = X.getSemantics().minExponent;
@@ -3932,5 +3932,5 @@ APFloat llvm::scalbn(APFloat X, int Exp) {
     return APFloat::getZero(X.getSemantics(), X.isNegative());
 
   X.exponent += Exp;
-  return std::move(X);
+  return X;
 }
diff --git a/tools/lli/OrcLazyJIT.cpp b/tools/lli/OrcLazyJIT.cpp
index 88904e0af8e..bda5d6dcd26 100644
--- a/tools/lli/OrcLazyJIT.cpp
+++ b/tools/lli/OrcLazyJIT.cpp
@@ -62,7 +62,7 @@ OrcLazyJIT::TransformFtor OrcLazyJIT::createDebugDumper() {
 
   switch (OrcDumpKind) {
   case DumpKind::NoDump:
-    return [](std::unique_ptr<Module> M) { return std::move(M); };
+    return [](std::unique_ptr<Module> M) { return M; };
 
   case DumpKind::DumpFuncsToStdOut:
     return [](std::unique_ptr<Module> M) {
@@ -80,7 +80,7 @@ OrcLazyJIT::TransformFtor OrcLazyJIT::createDebugDumper() {
       }
 
       printf("]\n");
-      return std::move(M);
+      return M;
     };
 
   case DumpKind::DumpModsToStdErr:
@@ -88,7 +88,7 @@ OrcLazyJIT::TransformFtor OrcLazyJIT::createDebugDumper() {
              dbgs() << "----- Module Start -----\n" << *M
                     << "----- Module End -----\n";
 
-             return std::move(M);
+             return M;
            };
 
   case DumpKind::DumpModsToDisk:
@@ -102,7 +102,7 @@ OrcLazyJIT::TransformFtor OrcLazyJIT::createDebugDumper() {
                exit(1);
              }
              Out << *M;
-             return std::move(M);
+             return M;
            };
   }
   llvm_unreachable("Unknown DumpKind");