Cleanup files and split for organization

enzyme/Enzyme/ActiveVariable.h

@@ -0,0 +1,43 @@
+/*
+ * ActiveVariable.h - Active Varaible Detection Utilities
+ * 
+ * Copyright (C) 2019 William S. Moses (enzyme@wsmoses.com) - All Rights Reserved
+ *
+ * For commercial use of this code please contact the author(s) above.
+ *
+ * For research use of the code please use the following citation.
+ *
+ * \misc{mosesenzyme,
+    author = {William S. Moses, Tim Kaler},
+    title = {Enzyme: LLVM Automatic Differentiation},
+    year = {2019},
+    howpublished = {\url{https://github.com/wsmoses/Enzyme/}},
+    note = {commit xxxxxxx}
+ */
+#ifndef ENZYME_ACTIVE_VAR_H
+#define ENZYME_ACTIVE_VAR_H 1
+
+#include <cstdint>
+
+#include <llvm/Config/llvm-config.h>
+
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Type.h"
+#include "llvm/IR/Value.h"
+
+#include "llvm/Support/CommandLine.h"
+
+extern llvm::cl::opt<bool> printconst;
+
+bool isIntASecretFloat(llvm::Value* val);
+
+//! return the secret float type if found, otherwise nullptr
+llvm::Type* isIntPointerASecretFloat(llvm::Value* val);
+
+bool isconstantValueM(llvm::Value* val, llvm::SmallPtrSetImpl<llvm::Value*> &constants, llvm::SmallPtrSetImpl<llvm::Value*> &nonconstant, const llvm::SmallPtrSetImpl<llvm::Value*> &retvals, const llvm::SmallPtrSetImpl<llvm::Instruction*> &originalInstructions, uint8_t directions=3);
+
+// TODO separate if the instruction is constant (i.e. could change things)
+//    from if the value is constant (the value is something that could be differentiated)
+bool isconstantM(llvm::Instruction* inst, llvm::SmallPtrSetImpl<llvm::Value*> &constants, llvm::SmallPtrSetImpl<llvm::Value*> &nonconstant, const llvm::SmallPtrSetImpl<llvm::Value*> &retvals, const llvm::SmallPtrSetImpl<llvm::Instruction*> &originalInstructions, uint8_t directions=3);
+
+#endif

enzyme/Enzyme/CMakeLists.txt

@@ -2,26 +2,28 @@
 #  set(LLVM_LINK_COMPONENTS Core Support)
 #endif()
 
+file(GLOB ENZYME_SRC
+    "*.cpp"
+)
+
+list(APPEND ENZYME_SRC SCEV/ScalarEvolutionExpander.cpp)
+
 if (${LLVM_VERSION_MAJOR} LESS 8)
     add_llvm_loadable_module( LLVMEnzyme-${LLVM_VERSION_MAJOR}
-    Enzyme.cpp
-    Utils.cpp
-    SCEV/ScalarEvolutionExpander.cpp
-    DEPENDS
-    intrinsics_gen
-    PLUGIN_TOOL
-    opt
-  )
+        ${ENZYME_SRC}
+        DEPENDS
+        intrinsics_gen
+        PLUGIN_TOOL
+        opt
+    )
 else()
     add_llvm_library( LLVMEnzyme-${LLVM_VERSION_MAJOR}
-    Enzyme.cpp
-    Utils.cpp
-    SCEV/ScalarEvolutionExpander.cpp
-    MODULE
-    DEPENDS
-    intrinsics_gen
-    PLUGIN_TOOL
-    opt
-  )
+        ${ENZYME_SRC}
+        MODULE
+        DEPENDS
+        intrinsics_gen
+        PLUGIN_TOOL
+        opt
+    )
 
 endif()