6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-19 20:34:38 +00:00
Code Issues Projects Releases Wiki Activity

Don't have APInt.cpp depend upon DerivedTypes.h. This helps with splitting the

Browse Source 
Support libraries separately into their own module.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44852 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-12-11 06:53:58 +00:00
parent 64735ccb2b
commit 9af1887537
1 changed files with 23 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
lib/Support/APInt.cpp
View File

@ -14,7 +14,6 @@
#define DEBUG_TYPE "apint"
#include "llvm/ADT/APInt.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include <math.h>
@ -25,6 +24,16 @@
using namespace llvm;
/// This enumeration just provides for internal constants used in this
/// translation unit.
enum {
MIN_INT_BITS = 1, ///< Minimum number of bits that can be specified
///< Note that this must remain synchronized with IntegerType::MIN_INT_BITS
MAX_INT_BITS = (1<<23)-1 ///< Maximum number of bits that can be specified
///< Note that this must remain synchronized with IntegerType::MAX_INT_BITS
};
/// A utility function for allocating memory, checking for allocation failures,
/// and ensuring the contents are zeroed.
inline static uint64_t* getClearedMemory(uint32_t numWords) {
@ -44,8 +53,8 @@ inline static uint64_t* getMemory(uint32_t numWords) {
APInt::APInt(uint32_t numBits, uint64_t val, bool isSigned)
: BitWidth(numBits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large");
assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
if (isSingleWord())
VAL = val;
else {
@ -60,8 +69,8 @@ APInt::APInt(uint32_t numBits, uint64_t val, bool isSigned)
APInt::APInt(uint32_t numBits, uint32_t numWords, const uint64_t bigVal[])
: BitWidth(numBits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large");
assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
assert(bigVal && "Null pointer detected!");
if (isSingleWord())
VAL = bigVal[0];
@ -80,23 +89,23 @@ APInt::APInt(uint32_t numBits, uint32_t numWords, const uint64_t bigVal[])
APInt::APInt(uint32_t numbits, const char StrStart[], uint32_t slen,
uint8_t radix)
: BitWidth(numbits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large");
assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
fromString(numbits, StrStart, slen, radix);
}
APInt::APInt(uint32_t numbits, const std::string& Val, uint8_t radix)
: BitWidth(numbits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large");
assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
assert(!Val.empty() && "String empty?");
fromString(numbits, Val.c_str(), Val.size(), radix);
}
APInt::APInt(const APInt& that)
: BitWidth(that.BitWidth), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large");
assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
if (isSingleWord())
VAL = that.VAL;
else {
@ -943,7 +952,7 @@ double APInt::roundToDouble(bool isSigned) const {
// Truncate to new width.
APInt &APInt::trunc(uint32_t width) {
assert(width < BitWidth && "Invalid APInt Truncate request");
assert(width >= IntegerType::MIN_INT_BITS && "Can't truncate to 0 bits");
assert(width >= MIN_INT_BITS && "Can't truncate to 0 bits");
uint32_t wordsBefore = getNumWords();
BitWidth = width;
uint32_t wordsAfter = getNumWords();
@ -966,7 +975,7 @@ APInt &APInt::trunc(uint32_t width) {
// Sign extend to a new width.
APInt &APInt::sext(uint32_t width) {
assert(width > BitWidth && "Invalid APInt SignExtend request");
assert(width <= IntegerType::MAX_INT_BITS && "Too many bits");
assert(width <= MAX_INT_BITS && "Too many bits");
// If the sign bit isn't set, this is the same as zext.
if (!isNegative()) {
zext(width);
@ -1014,7 +1023,7 @@ APInt &APInt::sext(uint32_t width) {
// Zero extend to a new width.
APInt &APInt::zext(uint32_t width) {
assert(width > BitWidth && "Invalid APInt ZeroExtend request");
assert(width <= IntegerType::MAX_INT_BITS && "Too many bits");
assert(width <= MAX_INT_BITS && "Too many bits");
uint32_t wordsBefore = getNumWords();
BitWidth = width;
uint32_t wordsAfter = getNumWords();