Make a bunch of symbols private.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LowerAtomic.cpp b/lib/Transforms/Scalar/LowerAtomic.cpp
index 449a795..d3fea2f 100644
--- a/lib/Transforms/Scalar/LowerAtomic.cpp
+++ b/lib/Transforms/Scalar/LowerAtomic.cpp
@@ -115,7 +115,7 @@
   return true;
 }
 
-bool LowerAtomicCmpXchgInst(AtomicCmpXchgInst *CXI) {
+static bool LowerAtomicCmpXchgInst(AtomicCmpXchgInst *CXI) {
   IRBuilder<> Builder(CXI->getParent(), CXI);
   Value *Ptr = CXI->getPointerOperand();
   Value *Cmp = CXI->getCompareOperand();
@@ -131,7 +131,7 @@
   return true;
 }
 
-bool LowerAtomicRMWInst(AtomicRMWInst *RMWI) {
+static bool LowerAtomicRMWInst(AtomicRMWInst *RMWI) {
   IRBuilder<> Builder(RMWI->getParent(), RMWI);
   Value *Ptr = RMWI->getPointerOperand();
   Value *Val = RMWI->getValOperand();