Add a new interface file for the PromoteMemToReg interface in the Utils library
llvm-svn: 5609
This commit is contained in:
parent
04cad6a010
commit
6dbd10c760
|
@ -0,0 +1,29 @@
|
|||
//===- PromoteMemToReg.h - Promote Allocas to Scalars -----------*- C++ -*-===//
|
||||
//
|
||||
// This file exposes an interface to promote alloca instructions to SSA
|
||||
// registers, by using the SSA construction algorithm.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#ifndef TRANSFORMS_UTILS_PROMOTEMEMTOREG_H
|
||||
#define TRANSFORMS_UTILS_PROMOTEMEMTOREG_H
|
||||
|
||||
class AllocaInst;
|
||||
class DominanceFrontier;
|
||||
#include <vector>
|
||||
|
||||
/// 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);
|
||||
|
||||
/// 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.
|
||||
///
|
||||
void PromoteMemToReg(const std::vector<AllocaInst*> &Allocas,
|
||||
DominanceFrontier &DF);
|
||||
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue