Use hidden visibility to make symbols in an anonymous namespace get

dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975

3 files changed, 6 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp b/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 5bb7d46908c..7b00de6681f 100644
--- a/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/llvm/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -24,13 +24,14 @@
 #include "llvm/Instructions.h"
 #include "llvm/Type.h"
 #include "llvm/Support/CFG.h"
+#include "llvm/Support/Visibility.h"
 #include "llvm/ADT/Statistic.h"
 using namespace llvm;
 
 namespace {
   Statistic<> NumBroken("break-crit-edges", "Number of blocks inserted");
 
-  struct BreakCriticalEdges : public FunctionPass {
+  struct VISIBILITY_HIDDEN BreakCriticalEdges : public FunctionPass {
     virtual bool runOnFunction(Function &F);
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index 3188f123b7f..dcad43fc2bf 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
@@ -41,6 +41,7 @@
 #include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Support/CFG.h"
+#include "llvm/Support/Visibility.h"
 #include "llvm/ADT/SetOperations.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/Statistic.h"
@@ -53,7 +54,7 @@ namespace {
   Statistic<>
   NumNested("loopsimplify", "Number of nested loops split out");
 
-  struct LoopSimplify : public FunctionPass {
+  struct VISIBILITY_HIDDEN LoopSimplify : public FunctionPass {
     // AA - If we have an alias analysis object to update, this is it, otherwise
     // this is null.
     AliasAnalysis *AA;
diff --git a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
index e433e6d4a29..f748770f8da 100644
--- a/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
+++ b/llvm/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
@@ -26,6 +26,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/StableBasicBlockNumbering.h"
+#include "llvm/Support/Visibility.h"
 #include <algorithm>
 using namespace llvm;
 
@@ -52,7 +53,7 @@ bool llvm::isAllocaPromotable(const AllocaInst *AI, const TargetData &TD) {
 }
 
 namespace {
-  struct PromoteMem2Reg {
+  struct VISIBILITY_HIDDEN PromoteMem2Reg {
     /// Allocas - The alloca instructions being promoted.
     ///
     std::vector<AllocaInst*> Allocas;