Initail checking of structure swapper

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1248 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 35 insertions, 0 deletions

diff --git a/include/llvm/Transforms/IPO/SimpleStructMutation.h b/include/llvm/Transforms/IPO/SimpleStructMutation.h
new file mode 100644
index 0000000..62da418
--- /dev/null
+++ b/include/llvm/Transforms/IPO/SimpleStructMutation.h
@@ -0,0 +1,35 @@
+//===- llvm/Transforms/SwapStructContents.h - Permute Structs ----*- C++ -*--=//
+//
+// This pass does a simple transformation that swaps all of the elements of the
+// struct types in the program around.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_SWAPSTRUCTCONTENTS_H
+#define LLVM_TRANSFORMS_SWAPSTRUCTCONTENTS_H
+
+#include "llvm/Pass.h"
+
+class SwapStructContents : public Pass {
+  Pass *StructMutator;
+public:
+  // doPassInitialization - Figure out what transformation to do
+  //
+  bool doPassInitialization(Module *M);
+
+  // doPerMethodWork - Virtual method overriden by subclasses to do the
+  // per-method processing of the pass.
+  //
+  virtual bool doPerMethodWork(Method *M) {
+    return StructMutator->doPerMethodWork(M);
+  }
+
+  // doPassFinalization - Forward to our worker.
+  //
+  virtual bool doPassFinalization(Module *M) {
+    return StructMutator->doPassFinalization(M);
+  }
+
+};
+
+#endif