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Switching -1ULL to UINT64_MAX to fix MSVC warnings. Patch thanks to Peng Cheng! 

llvm-svn: 176197
This commit is contained in:
Aaron Ballman 2013-02-27 18:38:33 +00:00
parent 1b46534445
commit a2b75bcb52
1 changed files with 7 additions and 7 deletions
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14
llvm/include/llvm/ADT/APInt.h
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@ -427,7 +427,7 @@ public:
/// @returns the all-ones value for an APInt of the specified bit-width.
/// @brief Get the all-ones value.
static APInt getAllOnesValue(unsigned numBits) {
return APInt(numBits, -1ULL, true);
return APInt(numBits, UINT64_MAX, true);
}
/// @returns the '0' value for an APInt of the specified bit-width.
@ -498,10 +498,10 @@ public:
if (loBitsSet == 0)
return APInt(numBits, 0);
if (loBitsSet == APINT_BITS_PER_WORD)
return APInt(numBits, -1ULL);
return APInt(numBits, UINT64_MAX);
// For small values, return quickly.
if (loBitsSet <= APINT_BITS_PER_WORD)
return APInt(numBits, -1ULL >> (APINT_BITS_PER_WORD - loBitsSet));
return APInt(numBits, UINT64_MAX >> (APINT_BITS_PER_WORD - loBitsSet));
return getAllOnesValue(numBits).lshr(numBits - loBitsSet);
}
@ -1091,11 +1091,11 @@ public:
/// @brief Set every bit to 1.
void setAllBits() {
if (isSingleWord())
VAL = -1ULL;
VAL = UINT64_MAX;
else {
// Set all the bits in all the words.
for (unsigned i = 0; i < getNumWords(); ++i)
pVal[i] = -1ULL;
pVal[i] = UINT64_MAX;
}
// Clear the unused ones
clearUnusedBits();
@ -1120,10 +1120,10 @@ public:
/// @brief Toggle every bit to its opposite value.
void flipAllBits() {
if (isSingleWord())
VAL ^= -1ULL;
VAL ^= UINT64_MAX;
else {
for (unsigned i = 0; i < getNumWords(); ++i)
pVal[i] ^= -1ULL;
pVal[i] ^= UINT64_MAX;
}
clearUnusedBits();
}