//===- PromoteMemToReg.h - Promote Allocas to Scalars -----------*- C++ -*-===//
-//
+//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
//
// This file exposes an interface to promote alloca instructions to SSA
#ifndef TRANSFORMS_UTILS_PROMOTEMEMTOREG_H
#define TRANSFORMS_UTILS_PROMOTEMEMTOREG_H
+#include <vector>
+
+namespace llvm {
+
class AllocaInst;
class DominatorTree;
class DominanceFrontier;
-class TargetData;
-#include <vector>
+class AliasSetTracker;
/// isAllocaPromotable - Return true if this alloca is legal for promotion.
/// This is true if there are only loads and stores to the alloca...
///
-bool isAllocaPromotable(const AllocaInst *AI, const TargetData &TD);
+bool isAllocaPromotable(const AllocaInst *AI);
/// PromoteMemToReg - Promote the specified list of alloca instructions into
/// scalar registers, inserting PHI nodes as appropriate. This function makes
/// use of DominanceFrontier information. This function does not modify the CFG
/// of the function at all. All allocas must be from the same function.
///
+/// If AST is specified, the specified tracker is updated to reflect changes
+/// made to the IR.
+///
void PromoteMemToReg(const std::vector<AllocaInst*> &Allocas,
- DominatorTree &DT, DominanceFrontier &DF,
- const TargetData &TD);
+ DominatorTree &DT, AliasSetTracker *AST = 0);
+
+} // End llvm namespace
#endif