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Move MinAlign to MathExtras.h.

llvm-svn: 43944
This commit is contained in:
Duncan Sands 2007-11-09 13:41:39 +00:00
parent 79e4c423ea
commit edf7e3b5f4
5 changed files with 8 additions and 31 deletions

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@ -1,28 +0,0 @@
//===----------- Alignment.h - Alignment computation ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Duncan Sands and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines utilities for computing alignments.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_ALIGNMENT_H
#define LLVM_SUPPORT_ALIGNMENT_H
namespace llvm {
/// MinAlign - A and B are either alignments or offsets. Return the minimum
/// alignment that may be assumed after adding the two together.
static inline unsigned MinAlign(unsigned A, unsigned B) {
// The largest power of 2 that divides both A and B.
return (A | B) & -(A | B);
}
} // end namespace llvm
#endif

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@ -358,6 +358,13 @@ int IsNAN(double d);
int IsInf(float f);
int IsInf(double d);
/// MinAlign - A and B are either alignments or offsets. Return the minimum
/// alignment that may be assumed after adding the two together.
static inline unsigned MinAlign(unsigned A, unsigned B) {
// The largest power of 2 that divides both A and B.
return (A | B) & -(A | B);
}
} // End llvm namespace
#endif

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@ -37,7 +37,6 @@
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"

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@ -23,7 +23,6 @@
#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/MathExtras.h"

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@ -18,9 +18,9 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
using namespace llvm;
//===----------------------------------------------------------------------===//