//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chandler Carruth 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.
//
//===----------------------------------------------------------------------===//
//
namespace llvm {
class Function;
class CallInst;
- class BasicBlock;
/// This is a more granular function that simply checks an intrinsic function
- /// for upgrading, and if it requires upgrading provides the new function.
- Function* UpgradeIntrinsicFunction(Function *F);
+ /// for upgrading, and returns true if it requires upgrading. It may return
+ /// null in NewFn if the all calls to the original intrinsic function
+ /// should be transformed to non-function-call instructions.
+ bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
/// This is the complement to the above, replacing a specific call to an
/// intrinsic function with a call to the specified new function.