Use hidden visibility to make symbols in an anonymous namespace get

dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975

2 files changed, 7 insertions, 5 deletions

diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index fa4a029648f..57eda0fd40e 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -23,6 +23,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Support/GetElementPtrTypeIterator.h"
+#include "llvm/Support/Visibility.h"
 #include <algorithm>
 using namespace llvm;
 
@@ -32,7 +33,7 @@ namespace {
   /// implementations, in that it does not chain to a previous analysis.  As
   /// such it doesn't follow many of the rules that other alias analyses must.
   ///
-  struct NoAA : public ImmutablePass, public AliasAnalysis {
+  struct VISIBILITY_HIDDEN NoAA : public ImmutablePass, public AliasAnalysis {
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<TargetData>();
     }
@@ -84,7 +85,7 @@ namespace {
   /// BasicAliasAnalysis - This is the default alias analysis implementation.
   /// Because it doesn't chain to a previous alias analysis (like -no-aa), it
   /// derives from the NoAA class.
-  struct BasicAliasAnalysis : public NoAA {
+  struct VISIBILITY_HIDDEN BasicAliasAnalysis : public NoAA {
     AliasResult alias(const Value *V1, unsigned V1Size,
                       const Value *V2, unsigned V2Size);
 
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index c6e32c53ab7..a83d2ee1c69 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -69,9 +69,10 @@
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Support/CFG.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ConstantRange.h"
 #include "llvm/Support/InstIterator.h"
-#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Visibility.h"
 #include "llvm/ADT/Statistic.h"
 #include <cmath>
 #include <iostream>
@@ -393,7 +394,7 @@ namespace {
   /// SCEVComplexityCompare - Return true if the complexity of the LHS is less
   /// than the complexity of the RHS.  This comparator is used to canonicalize
   /// expressions.
-  struct SCEVComplexityCompare {
+  struct VISIBILITY_HIDDEN SCEVComplexityCompare {
     bool operator()(SCEV *LHS, SCEV *RHS) {
       return LHS->getSCEVType() < RHS->getSCEVType();
     }
@@ -1062,7 +1063,7 @@ SCEVHandle SCEVUnknown::get(Value *V) {
 /// evolution code.
 ///
 namespace {
-  struct ScalarEvolutionsImpl {
+  struct VISIBILITY_HIDDEN ScalarEvolutionsImpl {
     /// F - The function we are analyzing.
     ///
     Function &F;