[InstCombine] Move class into anonymous namespace. NFC.

This is necessary to avoid warnings from GCC.
InstCombineLoadStoreAlloca.cpp:238:7: error: 'PointerReplacer' declared
with greater visibility than the type of its field 'PointerReplacer::IC'

llvm-svn: 294794

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
index dec998cca0b..d9e83f6516d 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
@@ -225,6 +225,7 @@ static Instruction *simplifyAllocaArraySize(InstCombiner &IC, AllocaInst &AI) {
   return nullptr;
 }
 
+namespace {
 // If I and V are pointers in different address space, it is not allowed to
 // use replaceAllUsesWith since I and V have different types. A
 // non-target-specific transformation should not use addrspacecast on V since
@@ -249,6 +250,7 @@ private:
   MapVector<Value *, Value *> WorkMap;
   InstCombiner &IC;
 };
+} // end anonymous namespace
 
 void PointerReplacer::findLoadAndReplace(Instruction &I) {
   for (auto U : I.users()) {