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

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Support libraries separately into their own module.

llvm-svn: 44852
This commit is contained in:
Reid Spencer 2007-12-11 06:53:58 +00:00
parent 0fc72aee23
commit 3a83a29e21
1 changed files with 23 additions and 14 deletions
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37
lib/Support/APInt.cpp
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@ -14,7 +14,6 @@
#define DEBUG_TYPE "apint" #define DEBUG_TYPE "apint"
#include "llvm/ADT/APInt.h" #include "llvm/ADT/APInt.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/Debug.h" #include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h" #include "llvm/Support/MathExtras.h"
#include <math.h> #include <math.h>
@ -25,6 +24,16 @@
using namespace llvm; 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, /// A utility function for allocating memory, checking for allocation failures,
/// and ensuring the contents are zeroed. /// and ensuring the contents are zeroed.
inline static uint64_t* getClearedMemory(uint32_t numWords) { 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) APInt::APInt(uint32_t numBits, uint64_t val, bool isSigned)
: BitWidth(numBits), VAL(0) { : BitWidth(numBits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small"); assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large"); assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
if (isSingleWord()) if (isSingleWord())
VAL = val; VAL = val;
else { 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[]) APInt::APInt(uint32_t numBits, uint32_t numWords, const uint64_t bigVal[])
: BitWidth(numBits), VAL(0) { : BitWidth(numBits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small"); assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large"); assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
assert(bigVal && "Null pointer detected!"); assert(bigVal && "Null pointer detected!");
if (isSingleWord()) if (isSingleWord())
VAL = bigVal[0]; 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, APInt::APInt(uint32_t numbits, const char StrStart[], uint32_t slen,
uint8_t radix) uint8_t radix)
: BitWidth(numbits), VAL(0) { : BitWidth(numbits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small"); assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large"); assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
fromString(numbits, StrStart, slen, radix); fromString(numbits, StrStart, slen, radix);
} }
APInt::APInt(uint32_t numbits, const std::string& Val, uint8_t radix) APInt::APInt(uint32_t numbits, const std::string& Val, uint8_t radix)
: BitWidth(numbits), VAL(0) { : BitWidth(numbits), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small"); assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large"); assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
assert(!Val.empty() && "String empty?"); assert(!Val.empty() && "String empty?");
fromString(numbits, Val.c_str(), Val.size(), radix); fromString(numbits, Val.c_str(), Val.size(), radix);
} }
APInt::APInt(const APInt& that) APInt::APInt(const APInt& that)
: BitWidth(that.BitWidth), VAL(0) { : BitWidth(that.BitWidth), VAL(0) {
assert(BitWidth >= IntegerType::MIN_INT_BITS && "bitwidth too small"); assert(BitWidth >= MIN_INT_BITS && "bitwidth too small");
assert(BitWidth <= IntegerType::MAX_INT_BITS && "bitwidth too large"); assert(BitWidth <= MAX_INT_BITS && "bitwidth too large");
if (isSingleWord()) if (isSingleWord())
VAL = that.VAL; VAL = that.VAL;
else { else {
@ -943,7 +952,7 @@ double APInt::roundToDouble(bool isSigned) const {
// Truncate to new width. // Truncate to new width.
APInt &APInt::trunc(uint32_t width) { APInt &APInt::trunc(uint32_t width) {
assert(width < BitWidth && "Invalid APInt Truncate request"); 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(); uint32_t wordsBefore = getNumWords();
BitWidth = width; BitWidth = width;
uint32_t wordsAfter = getNumWords(); uint32_t wordsAfter = getNumWords();
@ -966,7 +975,7 @@ APInt &APInt::trunc(uint32_t width) {
// Sign extend to a new width. // Sign extend to a new width.
APInt &APInt::sext(uint32_t width) { APInt &APInt::sext(uint32_t width) {
assert(width > BitWidth && "Invalid APInt SignExtend request"); 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 the sign bit isn't set, this is the same as zext.
if (!isNegative()) { if (!isNegative()) {
zext(width); zext(width);
@ -1014,7 +1023,7 @@ APInt &APInt::sext(uint32_t width) {
// Zero extend to a new width. // Zero extend to a new width.
APInt &APInt::zext(uint32_t width) { APInt &APInt::zext(uint32_t width) {
assert(width > BitWidth && "Invalid APInt ZeroExtend request"); 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(); uint32_t wordsBefore = getNumWords();
BitWidth = width; BitWidth = width;
uint32_t wordsAfter = getNumWords(); uint32_t wordsAfter = getNumWords();