[C++11] Replace llvm::tie with std::tie.

The old implementation is no longer needed in C++11.

llvm-svn: 202644

3 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index cfadf9a9d4a..2f50596ca7d 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -225,7 +225,7 @@ bool LUAnalysisCache::countLoop(const Loop *L, const TargetTransformInfo &TTI) {
 
   LoopPropsMapIt PropsIt;
   bool Inserted;
-  llvm::tie(PropsIt, Inserted) =
+  std::tie(PropsIt, Inserted) =
       LoopsProperties.insert(std::make_pair(L, LoopProperties()));
 
   LoopProperties &Props = PropsIt->second;
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index e8a0e159ef5..1cb76696f18 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -556,7 +556,7 @@ private:
     // they both point to the same alloca.
     bool Inserted;
     SmallDenseMap<Instruction *, unsigned>::iterator MTPI;
-    llvm::tie(MTPI, Inserted) =
+    std::tie(MTPI, Inserted) =
         MemTransferSliceMap.insert(std::make_pair(&II, S.Slices.size()));
     unsigned PrevIdx = MTPI->second;
     if (!Inserted) {
@@ -615,7 +615,7 @@ private:
     Size = 0;
     do {
       Instruction *I, *UsedI;
-      llvm::tie(UsedI, I) = Uses.pop_back_val();
+      std::tie(UsedI, I) = Uses.pop_back_val();
 
       if (LoadInst *LI = dyn_cast<LoadInst>(I)) {
         Size = std::max(Size, DL.getTypeStoreSize(LI->getType()));
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 1ee92fde9b2..dd929616b75 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1977,7 +1977,7 @@ void InnerLoopVectorizer::createEmptyLoop() {
   // sequence of instructions that form a check.
   Instruction *StrideCheck;
   Instruction *FirstCheckInst;
-  tie(FirstCheckInst, StrideCheck) =
+  std::tie(FirstCheckInst, StrideCheck) =
       addStrideCheck(BypassBlock->getTerminator());
   if (StrideCheck) {
     // Create a new block containing the stride check.
@@ -2001,7 +2001,7 @@ void InnerLoopVectorizer::createEmptyLoop() {
   // checks into a separate block to make the more common case of few elements
   // faster.
   Instruction *MemRuntimeCheck;
-  tie(FirstCheckInst, MemRuntimeCheck) =
+  std::tie(FirstCheckInst, MemRuntimeCheck) =
       addRuntimeCheck(LastBypassBlock->getTerminator());
   if (MemRuntimeCheck) {
     // Create a new block containing the memory check.