llvm-6502/include/llvm/Transforms/Utils/IntegerDivision.h
Michael Ilseman d2014649e0 New utility for expanding integer division for targets that don't support it.
Implementation derived from compiler-rt's implementation of signed and unsigned integer division.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18 22:02:40 +00:00

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//===- llvm/Transforms/Utils/IntegerDivision.h ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains an implementation of 32bit integer division for targets
// that don't have native support. It's largely derived from compiler-rt's
// implementation of __udivsi3, but hand-tuned for targets that prefer less
// control flow.
//
//===----------------------------------------------------------------------===//
#ifndef TRANSFORMS_UTILS_INTEGERDIVISION_H
#define TRANSFORMS_UTILS_INTEGERDIVISION_H
namespace llvm {
bool expandDivision(BinaryOperator* Div);
} // End llvm namespace
#endif