It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/PluginLoader.cpp b/lib/Support/PluginLoader.cpp
new file mode 100644
index 0000000..3c9de89
--- /dev/null
+++ b/lib/Support/PluginLoader.cpp
@@ -0,0 +1,44 @@
+//===-- PluginLoader.cpp - Implement -load command line option ------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the -load <plugin> command line option handler.
+//
+//===----------------------------------------------------------------------===//
+
+#define DONT_GET_PLUGIN_LOADER_OPTION
+#include "llvm/Support/PluginLoader.h"
+#include "llvm/Support/Streams.h"
+#include "llvm/System/DynamicLibrary.h"
+#include <ostream>
+#include <vector>
+using namespace llvm;
+
+static std::vector<std::string> *Plugins;
+
+void PluginLoader::operator=(const std::string &Filename) {
+ if (!Plugins)
+ Plugins = new std::vector<std::string>();
+
+ std::string Error;
+ if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
+ cerr << "Error opening '" << Filename << "': " << Error
+ << "\n -load request ignored.\n";
+ } else {
+ Plugins->push_back(Filename);
+ }
+}
+
+unsigned PluginLoader::getNumPlugins() {
+ return Plugins ? Plugins->size() : 0;
+}
+
+std::string &PluginLoader::getPlugin(unsigned num) {
+ assert(Plugins && num < Plugins->size() && "Asking for an out of bounds plugin");
+ return (*Plugins)[num];
+}