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Get rid of WORDSIZE macro which can pollute untold numbers of translation units 

llvm-svn: 6843
This commit is contained in:
Chris Lattner 2003-06-22 03:09:10 +00:00
parent 52de05c6b3
commit bd3837b1b2
1 changed files with 12 additions and 18 deletions
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30
llvm/include/Support/BitSetVector.h
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@ -9,12 +9,6 @@
// We therefore use a vector of bitsets. The maxmimum size of our sets
// (i.e., the size of the universal set) can be chosen at creation time.
//
// The size of each Bitset is defined by the macro WORDSIZE.
//
// NOTE: The WORDSIZE macro should be made machine-dependent, in order to use
// 64-bit words or whatever gives most efficient Bitsets on each platform.
//
//
// External functions:
//
// bool Disjoint(const BitSetVector& set1, const BitSetVector& set2):
@ -30,15 +24,13 @@
#include <vector>
#include <functional>
#include <iostream>
#include <assert.h>
#define WORDSIZE (32U)
class BitSetVector {
enum { BITSET_WORDSIZE = sizeof(long)*8 };
// Types used internal to the representation
typedef std::bitset<WORDSIZE> bitword;
typedef std::bitset<BITSET_WORDSIZE> bitword;
typedef bitword::reference reference;
class iterator;
@ -48,11 +40,13 @@ class BitSetVector {
private:
// Utility functions for the representation
static unsigned NumWords(unsigned Size) { return (Size+WORDSIZE-1)/WORDSIZE;}
static unsigned LastWordSize(unsigned Size) { return Size % WORDSIZE; }
static unsigned NumWords(unsigned Size) {
return (Size+BITSET_WORDSIZE-1)/BITSET_WORDSIZE;
}
static unsigned LastWordSize(unsigned Size) { return Size % BITSET_WORDSIZE; }
// Clear the unused bits in the last word.
// The unused bits are the high (WORDSIZE - LastWordSize()) bits
// The unused bits are the high (BITSET_WORDSIZE - LastWordSize()) bits
void ClearUnusedBits() {
unsigned long usedBits = (1U << LastWordSize(size())) - 1;
bitsetVec.back() &= bitword(usedBits);
@ -91,7 +85,7 @@ public:
}
reference operator[](unsigned n) {
assert(n < size() && "BitSetVector: Bit number out of range");
unsigned ndiv = n / WORDSIZE, nmod = n % WORDSIZE;
unsigned ndiv = n / BITSET_WORDSIZE, nmod = n % BITSET_WORDSIZE;
return bitsetVec[ndiv][nmod];
}
iterator begin() { return iterator::begin(*this); }
@ -116,7 +110,7 @@ public:
///
bool test(unsigned n) const {
assert(n < size() && "BitSetVector: Bit number out of range");
unsigned ndiv = n / WORDSIZE, nmod = n % WORDSIZE;
unsigned ndiv = n / BITSET_WORDSIZE, nmod = n % BITSET_WORDSIZE;
return bitsetVec[ndiv].test(nmod);
}
bool any() const {
@ -203,13 +197,13 @@ public:
// Increment and decrement operators (pre and post)
iterator& operator++() {
if (++currentBit == WORDSIZE)
if (++currentBit == BITSET_WORDSIZE)
{ currentBit = 0; if (currentWord < bitvec->size()) ++currentWord; }
return *this;
}
iterator& operator--() {
if (currentBit == 0) {
currentBit = WORDSIZE-1;
currentBit = BITSET_WORDSIZE-1;
currentWord = (currentWord == 0)? bitvec->size() : --currentWord;
}
else