Switch inliner over to use DenseMap instead of std::map for ValueMap. This

speeds up the inliner 16%.

llvm-svn: 33801

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp
index a4460fa69b1..d481aea0e53 100644
--- a/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ b/llvm/lib/Transforms/Utils/CloneModule.cpp
@@ -29,12 +29,12 @@ using namespace llvm;
 Module *llvm::CloneModule(const Module *M) {
   // Create the value map that maps things from the old module over to the new
   // module.
-  std::map<const Value*, Value*> ValueMap;
-
+  DenseMap<const Value*, Value*> ValueMap;
   return CloneModule(M, ValueMap);
 }
 
-Module *llvm::CloneModule(const Module *M, std::map<const Value*, Value*> &ValueMap) {
+Module *llvm::CloneModule(const Module *M,
+                          DenseMap<const Value*, Value*> &ValueMap) {
   // First off, we need to create the new module...
   Module *New = new Module(M->getModuleIdentifier());
   New->setDataLayout(M->getDataLayout());