Initial checkin of Noop pass that will be the pool allocator

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2014 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/IPO/OldPoolAllocate.cpp b/lib/Transforms/IPO/OldPoolAllocate.cpp
new file mode 100644 (file)
index 0000000..53c9c94
--- /dev/null
+++ b/lib/Transforms/IPO/OldPoolAllocate.cpp
@@ -0,0 +1,33 @@
+//===-- PoolAllocate.cpp - Pool Allocation Pass ---------------------------===//
+//
+// This transform changes programs so that disjoint data structures are
+// allocated out of different pools of memory, increasing locality and shrinking
+// pointer size.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Transforms/IPO/PoolAllocate.h"
+#include "llvm/Analysis/DataStructure.h"
+#include "llvm/Pass.h"
+
+
+namespace {
+  struct PoolAllocate : public Pass {
+    bool run(Module *M) {
+      DataStructure &DS = getAnalysis<DataStructure>();
+      return false;
+    }
+
+    // getAnalysisUsageInfo - This function works on the call graph of a module.
+    // It is capable of updating the call graph to reflect the new state of the
+    // module.
+    //
+    virtual void getAnalysisUsageInfo(Pass::AnalysisSet &Required,
+                                      Pass::AnalysisSet &Destroyed,
+                                      Pass::AnalysisSet &Provided) {
+      Required.push_back(DataStructure::ID);
+    }
+  };
+}
+
+Pass *createPoolAllocatePass() { return new PoolAllocate(); }