Switch inliner over to use DenseMap instead of std::map for ValueMap. This
speeds up the inliner 16%.
llvm-svn: 33801
diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp
index a4460fa..d481aea 100644
--- a/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ b/llvm/lib/Transforms/Utils/CloneModule.cpp
@@ -29,12 +29,12 @@
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());