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Add APInt(numBits, ArrayRef<uint64_t> bigVal) constructor to prevent future ambiguity

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errors like the one corrected by r135261.  Migrate all LLVM callers of the old
constructor to the new one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135431 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2011-07-18 21:45:40 +00:00
parent 3a594f4876
commit 3ba292dbc2
12 changed files with 61 additions and 36 deletions
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lib/Support/APInt.cpp
+14 -6
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@@ -83,25 +83,33 @@ void APInt::initSlowCase(const APInt& that) {
memcpy(pVal, that.pVal, getNumWords() * APINT_WORD_SIZE);
}
APInt::APInt(unsigned numBits, unsigned numWords, const uint64_t bigVal[])
: BitWidth(numBits), VAL(0) {
void APInt::initFromArray(ArrayRef<uint64_t> bigVal) {
assert(BitWidth && "Bitwidth too small");
assert(bigVal && "Null pointer detected!");
assert(bigVal.data() && "Null pointer detected!");
if (isSingleWord())
VAL = bigVal[0];
else {
// Get memory, cleared to 0
pVal = getClearedMemory(getNumWords());
// Calculate the number of words to copy
unsigned words = std::min<unsigned>(numWords, getNumWords());
unsigned words = std::min<unsigned>(bigVal.size(), getNumWords());
// Copy the words from bigVal to pVal
memcpy(pVal, bigVal, words * APINT_WORD_SIZE);
memcpy(pVal, bigVal.data(), words * APINT_WORD_SIZE);
}
// Make sure unused high bits are cleared
clearUnusedBits();
}
APInt::APInt(unsigned numBits, ArrayRef<uint64_t> bigVal)
: BitWidth(numBits), VAL(0) {
initFromArray(bigVal);
}
APInt::APInt(unsigned numBits, unsigned numWords, const uint64_t bigVal[])
: BitWidth(numBits), VAL(0) {
initFromArray(makeArrayRef(bigVal, numWords));
}
APInt::APInt(unsigned numbits, StringRef Str, uint8_t radix)
: BitWidth(numbits), VAL(0) {
assert(BitWidth && "Bitwidth too small");