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

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

llvm-svn: 202644

1 files changed, 2 insertions, 2 deletions

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.